xref: /dports/java/eclipse/eclipse.platform.releng.aggregator-R4_16/eclipse.jdt.core/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/StaticImportTest.java

/*******************************************************************************
 * Copyright (c) 2000, 2019 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Stephan Herrmann - Contributions for
 *								bug 185682 - Increment/decrement operators mark local variables as read
 *								bug 401271 - StackOverflowError when searching for a methods references
 *******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;

import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;

import junit.framework.Test;

@SuppressWarnings({ "rawtypes" })
public class StaticImportTest extends AbstractComparableTest {

	// Static initializer to specify tests subset using TESTS_* static variables
	// All specified tests which do not belong to the class are skipped...
	static {
//		TESTS_NAMES = new String[] { "test075" };
//		TESTS_NAMES = new String[] { "test085c" };
//		TESTS_NUMBERS = new int[] { 80 };
//		TESTS_RANGE = new int[] { 75, -1 };
	}

	public StaticImportTest(String name) {
		super(name);
	}

	public static Test suite() {
		return buildComparableTestSuite(testClass());
	}

	public static Class testClass() {
		return StaticImportTest.class;
	}


	public void test001() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static java.lang.Math.*;\n" +
				"import static java.lang.Math.PI;\n" +
				"public class X { double pi = abs(PI); }\n",
			},
			"");
	}

	public void test002() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p2.Y.*;\n" +
				"import static p2.Z.Zint;\n" +
				"import static p2.Z.ZMember;\n" +
				"public class X {\n" +
				"	int x = y(1);\n" +
				"	int y = Yint;\n" +
				"	int z = Zint;\n" +
				"	void m1(YMember m) {}\n" +
				"	void m2(ZMember m) {}\n" +
				"}\n",
				"p2/Y.java",
				"package p2;\n" +
				"public class Y {\n" +
				"	public static int Yint = 1;\n" +
				"	public static int y(int y) { return y; }\n" +
				"	public static class YMember {}\n" +
				"}\n",
				"p2/Z.java",
				"package p2;\n" +
				"public class Z {\n" +
				"	public static int Zint = 1;\n" +
				"	public static class ZMember {}\n" +
				"}\n",
			},
			"");
	}

	public void test003() { // test inheritance
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p2.Y.*;\n" +
				"import static p2.Z.Zint;\n" +
				"import static p2.Z.ZMember;\n" +
				"public class X {\n" +
				"	int x = y(1);\n" +
				"	int y = Yint;\n" +
				"	int z = Zint;\n" +
				"	void m1(YMember m) {}\n" +
				"	void m2(ZMember m) {}\n" +
				"}\n",
				"p2/YY.java",
				"package p2;\n" +
				"public class YY {\n" +
				"	public static int Yint = 1;\n" +
				"	public static int y(int y) { return y; }\n" +
				"	public static class YMember {}\n" +
				"}\n",
				"p2/Y.java",
				"package p2;\n" +
				"public class Y extends YY {}\n",
				"p2/ZZ.java",
				"package p2;\n" +
				"public class ZZ {\n" +
				"	public static int Zint = 1;\n" +
				"	public static class ZMember {}\n" +
				"}\n",
				"p2/Z.java",
				"package p2;\n" +
				"public class Z extends ZZ {}\n",
			},
			"");
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.C;\n" +
				"public class X { int i = C; }\n",
				"p/A.java",
				"package p;\n" +
				"public class A extends B implements I {}\n" +
				"class B implements I {}\n",
				"p/I.java",
				"package p;\n" +
				"public interface I { public static int C = 1; }\n"
			},
			""
		);
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.C;\n" +
				"public class X { \n" +
				"	int i = C; \n" +
				"	int j = p.A.C; \n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A implements I {}\n" +
				"interface I { public static int C = 1; }\n"
			},
			JavacTestOptions.JavacHasABug.JavacBugFixed_6_10);
	}

	public void test004() { // test static vs. instance
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p2.Y.*;\n" +
				"import static p2.Z.Zint;\n" +
				"import static p2.Z.ZMember;\n" +
				"public class X {\n" +
				"	int x = y(1);\n" +
				"	int y = Yint;\n" +
				"	int z = Zint;\n" +
				"	void m1(YMember m) {}\n" +
				"	void m2(ZMember m) {}\n" +
				"}\n",
				"p2/Y.java",
				"package p2;\n" +
				"public class Y {\n" +
				"	public int Yint = 1;\n" +
				"	public int y(int y) { return y; }\n" +
				"	public class YMember {}\n" +
				"}\n",
				"p2/Z.java",
				"package p2;\n" +
				"public class Z {\n" +
				"	public int Zint = 1;\n" +
				"	public class ZMember {}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p\\X.java (at line 3)\n" +
			"	import static p2.Z.Zint;\n" +
			"	              ^^^^^^^^^\n" +
			"The import p2.Z.Zint cannot be resolved\n" +
			"----------\n" +
			"2. ERROR in p\\X.java (at line 4)\n" +
			"	import static p2.Z.ZMember;\n" +
			"	              ^^^^^^^^^^^^\n" +
			"The import p2.Z.ZMember cannot be resolved\n" +
			"----------\n" +
			"3. ERROR in p\\X.java (at line 6)\n" +
			"	int x = y(1);\n" +
			"	        ^\n" +
			"The method y(int) is undefined for the type X\n" +
			"----------\n" +
			"4. ERROR in p\\X.java (at line 7)\n" +
			"	int y = Yint;\n" +
			"	        ^^^^\n" +
			"Yint cannot be resolved to a variable\n" +
			"----------\n" +
			"5. ERROR in p\\X.java (at line 8)\n" +
			"	int z = Zint;\n" +
			"	        ^^^^\n" +
			"Zint cannot be resolved to a variable\n" +
			"----------\n" +
			"6. ERROR in p\\X.java (at line 9)\n" +
			"	void m1(YMember m) {}\n" +
			"	        ^^^^^^^\n" +
			"YMember cannot be resolved to a type\n" +
			"----------\n" +
			"7. ERROR in p\\X.java (at line 10)\n" +
			"	void m2(ZMember m) {}\n" +
			"	        ^^^^^^^\n" +
			"ZMember cannot be resolved to a type\n" +
			"----------\n");
	}

	public void test005() { // test visibility
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p2.Y.*;\n" +
				"import static p2.Z.Zint;\n" +
				"import static p2.Z.ZMember;\n" +
				"public class X {\n" +
				"	int x = y(1);\n" +
				"	int y = Yint;\n" +
				"	int z = Zint;\n" +
				"	void m1(YMember m) {}\n" +
				"	void m2(ZMember m) {}\n" +
				"}\n",
				"p2/Y.java",
				"package p2;\n" +
				"public class Y {\n" +
				"	static int Yint = 1;\n" +
				"	static int y(int y) { return y; }\n" +
				"	static class YMember {}\n" +
				"}\n",
				"p2/Z.java",
				"package p2;\n" +
				"public class Z {\n" +
				"	static int Zint = 1;\n" +
				"	static class ZMember {}\n" +
				"}\n",
			},
		"----------\n" +
		"1. ERROR in p\\X.java (at line 3)\n" +
		"	import static p2.Z.Zint;\n" +
		"	              ^^^^^^^^^\n" +
		"The field Z.p2.Z.Zint is not visible\n" +
		"----------\n" +
		"2. ERROR in p\\X.java (at line 4)\n" +
		"	import static p2.Z.ZMember;\n" +
		"	              ^^^^^^^^^^^^\n" +
		"The type p2.Z.ZMember is not visible\n" +
		"----------\n" +
		"3. ERROR in p\\X.java (at line 6)\n" +
		"	int x = y(1);\n" +
		"	        ^\n" +
		"The method y(int) from the type Y is not visible\n" +
		"----------\n" +
		"4. ERROR in p\\X.java (at line 7)\n" +
		"	int y = Yint;\n" +
		"	        ^^^^\n" +
		"The field Y.Yint is not visible\n" +
		"----------\n" +
		"5. ERROR in p\\X.java (at line 8)\n" +
		"	int z = Zint;\n" +
		"	        ^^^^\n" +
		"Zint cannot be resolved to a variable\n" +
		"----------\n" +
		"6. ERROR in p\\X.java (at line 9)\n" +
		"	void m1(YMember m) {}\n" +
		"	        ^^^^^^^\n" +
		"The type YMember is not visible\n" +
		"----------\n" +
		"7. ERROR in p\\X.java (at line 10)\n" +
		"	void m2(ZMember m) {}\n" +
		"	        ^^^^^^^\n" +
		"ZMember cannot be resolved to a type\n" +
		"----------\n");
	}

	public void test006() { // test non static member types
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p2.Z.ZStatic;\n" +
				"import static p2.Z.ZNonStatic;\n" +
				"import p2.Z.ZNonStatic;\n" +
				"public class X {\n" +
				"	void m2(ZStatic m) {}\n" +
				"	void m3(ZNonStatic m) {}\n" +
				"}\n",
				"p2/Z.java",
				"package p2;\n" +
				"public class Z {\n" +
				"	public static class ZStatic {}\n" +
				"	public class ZNonStatic {}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p\\X.java (at line 3)\n" +
			"	import static p2.Z.ZNonStatic;\n" +
			"	              ^^^^^^^^^^^^^^^\n" +
			"The import p2.Z.ZNonStatic cannot be resolved\n" +
			"----------\n");
	}

	public void test007() { // test non static member types vs. static field
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p2.Z.ZFieldOverMember;\n" +
				"public class X {\n" +
				"	int z = ZFieldOverMember;\n" +
				"}\n",
				"p2/Z.java",
				"package p2;\n" +
				"public class Z {\n" +
				"	public static int ZFieldOverMember = 1;\n" +
				"	public class ZFieldOverMember {}\n" +
				"}\n",
			},
			"");
	}

	public void test008() { // test static top level types
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static java.lang.System;\n" +
				"public class X {}\n",
			},
			"----------\n" +
			"1. ERROR in p\\X.java (at line 2)\n" +
			"	import static java.lang.System;\n" +
			"	              ^^^^^^^^^^^^^^^^\n" +
			"The static import java.lang.System must be a field or member type\n" +
			"----------\n");
	}

	public void test009() { // test static top level types
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static java.lang.reflect.Method.*;\n" +
				"public class X {Method m;}\n",
			},
			"----------\n" +
			"1. ERROR in p\\X.java (at line 3)\n" +
			"	public class X {Method m;}\n" +
			"	                ^^^^^^\n" +
			"Method cannot be resolved to a type\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76174
	public void test010() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static java.lang.System.*;\n" +
				"public class X {\n" +
				"	void foo() { arraycopy(); }\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in X.java (at line 3)\n" +
			"	void foo() { arraycopy(); }\n" +
			"	             ^^^^^^^^^\n" +
			"The method arraycopy(Object, int, Object, int, int) in the type System is not applicable for the arguments ()\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76360
	public void test011() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.Y.*;\n" +
				"public class X extends p.Z {}\n" +
				"class XX extends M.N {}\n" +
				"class XXX extends M.Missing {}\n",
				"p/YY.java",
				"package p;\n" +
				"public class YY {\n" +
				"	public static class M {\n" +
				"		public static class N {}\n" +
				"	}\n" +
				"}\n",
				"p/Y.java",
				"package p;\n" +
				"public class Y extends YY {}\n",
				"p/Z.java",
				"package p;\n" +
				"public class Z {}\n"
			},
			"----------\n" +
			"1. ERROR in X.java (at line 4)\n" +
			"	class XXX extends M.Missing {}\n" +
			"	                  ^^^^^^^^^\n" +
			"M.Missing cannot be resolved to a type\n" +
			"----------\n");
	}

	public void test012() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static java.lang.Math.*;\n" +
				"public class X {\n" +
				"	public static void main(String[] s) {\n" +
				"		System.out.println(max(1, 2));\n" +
				"	}\n" +
				"}\n",
			},
			"2");
		this.runConformTest(
			new String[] {
				"X.java",
				"import static java.lang.Math.max;\n" +
				"public class X {\n" +
				"	public static void main(String[] s) {\n" +
				"		System.out.println(max(1, 3));\n" +
				"	}\n" +
				"}\n",
			},
			"3");
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p1.C.F;\n" +
				"import p2.*;\n" +
				"public class X implements F {" +
				"	int i = F();" +
				"}\n",
				"p1/C.java",
				"package p1;\n" +
				"public class C {\n" +
				"	public static int F() { return 0; }\n" +
				"}\n",
				"p2/F.java",
				"package p2;\n" +
				"public interface F {}\n"
			},
			""
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77955
	public void test013() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.Y.ZZ;\n" + // found if ZZ is static
				"import static p.Z.ZZ.WW;\n" + // found if WW is static
				"import static p.Z.Zz.WW;\n" + // found if WW is static
				"import static p.Z.Zz.*;\n" + // legal
				"import static p.Z.Zz.Zzz;\n" + // legal

				"import static p.Y.Zz;\n" + // Zz is not static
				"import static p.Z.Zz.WW.*;\n" + // import requires canonical name for p.W.WW

				"import p.Y.ZZ;\n" + // import requires canonical name for p.Z.ZZ
				"import static p.Y.ZZ.*;\n" + // import requires canonical name for p.Z.ZZ
				"import static p.Y.ZZ.WW;\n" + // import requires canonical name for p.Z.ZZ
				"import static p.Y.ZZ.WW.*;\n" + // import requires canonical name for p.W.WW
				"import static p.Y.ZZ.ZZZ;\n" + // import requires canonical name for p.Z.ZZ
				"import static p.Y.ZZ.WW.WWW;\n" + // import requires canonical name for p.W.WW
				"public class X {\n" +
				"	int i = Zzz + Zzzz;\n" +
				"	ZZ z;\n" +
				"	WW w;\n" +
				"}\n",
				"p/Y.java",
				"package p;\n" +
				"public class Y extends Z {}\n",
				"p/Z.java",
				"package p;\n" +
				"public class Z {\n" +
				"	public class Zz extends W { public static final int Zzz = 0; public static final int Zzzz = 1; }\n" +
				"	public static class ZZ extends W { public static final int ZZZ = 0; }\n" +
				"}\n",
				"p/W.java",
				"package p;\n" +
				"public class W {\n" +
				"	public static class WW { public static final int WWW = 0; }\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 6)\n" +
			"	import static p.Y.Zz;\n" +
			"	              ^^^^^^\n" +
			"The import p.Y.Zz cannot be resolved\n" +
			"----------\n" +
			"2. ERROR in X.java (at line 7)\n" +
			"	import static p.Z.Zz.WW.*;\n" +
			"	              ^^^^^^^^^\n" +
			"The import p.Z.Zz.WW cannot be resolved\n" +
			"----------\n" +
			"3. ERROR in X.java (at line 8)\n" +
			"	import p.Y.ZZ;\n" +
			"	       ^^^^^^\n" +
			"The import p.Y.ZZ cannot be resolved\n" +
			"----------\n" +
			"4. ERROR in X.java (at line 9)\n" +
			"	import static p.Y.ZZ.*;\n" +
			"	              ^^^^^^\n" +
			"The import p.Y.ZZ cannot be resolved\n" +
			"----------\n" +
			"5. ERROR in X.java (at line 10)\n" +
			"	import static p.Y.ZZ.WW;\n" +
			"	              ^^^^^^\n" +
			"The import p.Y.ZZ cannot be resolved\n" +
			"----------\n" +
			"6. ERROR in X.java (at line 11)\n" +
			"	import static p.Y.ZZ.WW.*;\n" +
			"	              ^^^^^^\n" +
			"The import p.Y.ZZ cannot be resolved\n" +
			"----------\n" +
			"7. ERROR in X.java (at line 12)\n" +
			"	import static p.Y.ZZ.ZZZ;\n" +
			"	              ^^^^^^\n" +
			"The import p.Y.ZZ cannot be resolved\n" +
			"----------\n" +
			"8. ERROR in X.java (at line 13)\n" +
			"	import static p.Y.ZZ.WW.WWW;\n" +
			"	              ^^^^^^\n" +
			"The import p.Y.ZZ cannot be resolved\n" +
			"----------\n"
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78056
	public void test014() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.Z.ZZ.ZZZ;\n" +
				"public class X {}\n",
				"p/Z.java",
				"package p;\n" +
				"public class Z {\n" +
				"	public class ZZ { public static final  int ZZZ = 0; }\n" +
				"}\n",
			},
			""
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78075
	public void test015() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import p.Z.*;\n" +
				"import static p.Z.*;\n" +
				"public class X { int i = COUNT; }\n",
				"p/Z.java",
				"package p;\n" +
				"public class Z {\n" +
				"	public static final  int COUNT = 0;\n" +
				"}\n",
			},
			""
		);
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.Z.*;\n" +
				"import p.Z.*;\n" +
				"public class X { int i = COUNT; }\n",
				"p/Z.java",
				"package p;\n" +
				"public class Z {\n" +
				"	public static final  int COUNT = 0;\n" +
				"}\n",
			},
			""
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77630
	public void test016() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static java.lang.*;\n" +
				"public class X {}\n"
			},
			"----------\n" +
			"1. ERROR in X.java (at line 1)\n" +
			"	import static java.lang.*;\n" +
			"	              ^^^^^^^^^\n" +
			"Only a type can be imported. java.lang resolves to a package\n" +
			"----------\n"
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81724
	public void test017() {
		this.runConformTest(
			new String[] {
				"bug/A.java",
				"package bug;\n" +
				"import static bug.C.*;\n" +
				"public class A {\n" +
				"   private B b;\n" +
				"}\n",
				"bug/B.java",
				"package bug;\n" +
				"import static bug.C.*;\n" +
				"public class B {\n" +
				"}\n",
				"bug/C.java",
				"package bug;\n" +
				"public class C {\n" +
				"   private B b;\n" +
				"}\n",
			},
			""
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81724 - variation
	public void test018() {
		this.runNegativeTest(
			new String[] {
				"bug/A.java",
				"package bug;\n" +
				"import static bug.C.*;\n" +
				"public class A {\n" +
				"   private B b2 = b;\n" +
				"}\n",
				"bug/B.java",
				"package bug;\n" +
				"import static bug.C.*;\n" +
				"public class B {\n" +
				"}\n",
				"bug/C.java",
				"package bug;\n" +
				"public class C {\n" +
				"   private static B b;\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in bug\\A.java (at line 4)\n" +
			"	private B b2 = b;\n" +
			"	               ^\n" +
			"The field C.b is not visible\n" +
			"----------\n" +
			"----------\n" +
			"1. WARNING in bug\\B.java (at line 2)\n" +
			"	import static bug.C.*;\n" +
			"	              ^^^^^\n" +
			"The import bug.C is never used\n" +
			"----------\n" +
			"----------\n" +
			"1. WARNING in bug\\C.java (at line 3)\n" +
			"	private static B b;\n" +
			"	                 ^\n" +
			"The value of the field C.b is not used\n" +
			"----------\n");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81718
	public void test019() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static java.lang.Math.PI;\n" +
				"\n" +
				"public class X {\n" +
				"  boolean PI;\n" +
				"  Zork z;\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 5)\n" +
			"	Zork z;\n" +
			"	^^^^\n" +
			"Zork cannot be resolved to a type\n" +
			"----------\n");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82754
	public void test020() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static java.lang.Math.round;\n" +
				"public class X {\n" +
				"  void foo() { cos(0); }\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in X.java (at line 3)\n" +
			"	void foo() { cos(0); }\n" +
			"	             ^^^\n" +
			"The method cos(int) is undefined for the type X\n" +
			"----------\n"	);
	}

	public void test021() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.B.foo;\n" +
				"public class X {\n" +
				"  void test() { foo(); }\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public static void foo() {} }\n",
				"p/B.java",
				"package p;\n" +
				"public class B extends A { }\n"
			},
			""
		);
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.B.foo;\n" +
				"public class X {\n" +
				"  void test() { foo(); }\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public void foo() {} }\n",
				"p/B.java",
				"package p;\n" +
				"public class B extends A { static void foo(int i) {} }\n"
			},
			"----------\n" +
			"1. ERROR in X.java (at line 1)\n" +
			"	import static p.B.foo;\n" +
			"	              ^^^^^^^\n" +
			"The import p.B.foo cannot be resolved\n" +
			"----------\n" +
			"2. ERROR in X.java (at line 3)\n" +
			"	void test() { foo(); }\n" +
			"	              ^^^\n" +
			"The method foo() is undefined for the type X\n" +
			"----------\n"
		);
	}

	public void test022() { // test field/method collisions
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.F;\n" +
				"import static p.B.F;\n" +
				"public class X {\n" +
				"	int i = F;\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public static class F {} }\n",
				"p/B.java",
				"package p;\n" +
				"public class B { public static int F = 2; }\n",
			},
			""
			// no collision between field and member type
		);
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.F;\n" +
				"import static p.B.F;\n" +
				"public class X {\n" +
				"	int i = F + F();\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public static int F() { return 1; } }\n",
				"p/B.java",
				"package p;\n" +
				"public class B { public static int F = 2; }\n",
			},
			""
			// no collision between field and method
		);
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.F;\n" +
				"import static p.B.F;\n" +
				"public class X {\n" +
				"	int i = F;\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public static int F = 1; }\n",
				"p/B.java",
				"package p;\n" +
				"public class B extends A {}\n",
			},
			""
			// no collision between 2 fields that are the same
		);
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.A.F;\n" +
				"import static p.B.F;\n" +
				"public class X {\n" +
				"	int i = F;\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public static int F = 1; }\n",
				"p/B.java",
				"package p;\n" +
				"public class B { public static int F = 2; }\n",
			},
			this.complianceLevel < ClassFileConstants.JDK1_8 ?
					"----------\n" +
					"1. ERROR in X.java (at line 2)\n" +
					"	import static p.B.F;\n" +
					"	              ^^^^^\n" +
					"The import p.B.F collides with another import statement\n" +
					"----------\n" :
						"----------\n" +
						"1. ERROR in X.java (at line 4)\n" +
						"	int i = F;\n" +
						"	        ^\n" +
						"The field F is ambiguous\n" +
						"----------\n"
			// F is already defined in a single-type import
		);
	}

	public void test023() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.C;\n" +
				"public class X {\n" +
				"	public static void main(String[] args) {\n" +
				"		System.out.print(C);\n" +
				"		System.out.print(C());\n" +
				"	}\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A {\n" +
				"	public static int C = 1;\n" +
				"	public static int C() { return C + 3; }\n" +
				"}\n"
			},
			"14"
		);
		this.runConformTest( // extra inheritance hiccup for method lookup
			new String[] {
				"X.java",
				"import static p.A.C;\n" +
				"public class X {\n" +
				"	public static void main(String[] args) {\n" +
				"		System.out.print(C);\n" +
				"		System.out.print(C());\n" +
				"	}\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A extends B {\n" +
				"	public static int C() { return C + 3; }\n" +
				"}\n",
				"p/B.java",
				"package p;\n" +
				"public class B {\n" +
				"	public static int C = 1;\n" +
				"}\n"
			},
			"14"
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=83376
	public void test024() {
		this.runNegativeTest(
			new String[] {
				"p/B.java",
				"package p;\n" +
				"import static p.A.m;\n" +
				"import static p2.C.m;\n" +
				"class A { static void m() {} }\n" +
				"public class B { public static void main(String[] args) { m(); } }\n",
				"p2/C.java",
				"package p2;\n" +
				"public class C { public static void m() {} }\n"
			},
			"----------\n" +
			"1. ERROR in p\\B.java (at line 5)\n" +
			"	public class B { public static void main(String[] args) { m(); } }\n" +
			"	                                                          ^\n" +
			"The method m() is ambiguous for the type B\n" +
			"----------\n"
		);
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p.A.m;\n" +
				"import static p.B.m;\n" +
				"public class X { void test() { m(); } }\n" +
				"class B extends A {}\n",
				"p/A.java",
				"package p;\n" +
				"public class A { public static int m() { return 0; } }\n"
			},
			""
		);
	}

	public void test025() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static java.lang.Math.*;\n" +
				"public class X {\n" +
				"	public static void main(String[] s) {\n" +
				"		System.out.print(max(PI, 4));\n" +
				"		new Runnable() {\n" +
				"			public void run() {\n" +
				"				System.out.println(max(PI, 5));\n" +
				"			}\n" +
				"		}.run();\n" +
				"	}\n" +
				"}\n"
			},
			"4.05.0"
		);
	}

	public void test026() { // ensure inherited problem fields do not stop package resolution
		this.runConformTest(
			new String[] {
				"X.java",
				"public class X extends Y { static void test() { java.lang.String.valueOf(0); } }\n" +
				"class Y { private String java; }\n"
			},
			""
		);
	}

	public void test027() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.ST.foo;\n" +
				"public class X {\n" +
				"	\n" +
				"	foo bar;\n" +
				"}\n",
				"p/ST.java",
				"package p; \n" +
				"public class ST {\n" +
				"	public static int foo;\n" +
				"}\n"	,
			},
			"----------\n" +
			"1. ERROR in X.java (at line 4)\n" +
			"	foo bar;\n" +
			"	^^^\n" +
			"foo cannot be resolved to a type\n" +
			"----------\n");
	}

	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87490
	public void test028() {
		this.runConformTest(
			new String[] {
				"p1/Z.java",//====================
				"package p1;\n" +
				"public class Z {\n" +
				"	public interface I {\n" +
				"	}\n" +
				"}\n",
				"q/Y.java",//====================
				"package q;\n" +
				"import static p.X.I;\n" +
				"import static p1.Z.I;\n" +
				"public class Y implements I {\n" +
				"}\n",
				"p/X.java",//====================
				"package p;\n" +
				"public enum X {\n" +
				"	I, J, K\n" +
				"}\n"	,
			},
			"");
		// recompile Y against binaries
		this.runConformTest(
			new String[] {
				"q/Y.java",//====================
				"package q;\n" +
				"import static p.X.I;\n" +
				"import static p1.Z.I;\n" +
				"public class Y implements I {\n" +
				"}\n",
			},
			"",
			null,
			false,
			null);
	}

	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93913
	public void test029() {
		this.runNegativeTest(
			new String[] {
				"p1/A.java",
				"package p1;\n" +
				"import static p2.C.B;\n" +
				"public class A extends B {\n" +
				"	void test() {" +
				"		int i = B();\n" +
				"		B b = null;\n" +
				"		b.fooB();\n" +
				"		b.fooC();\n" +
				"		fooC();\n" +
				"	}\n" +
				"}\n",
				"p1/B.java",
				"package p1;\n" +
				"public class B {\n" +
				"	public void fooB() {}\n" +
				"}\n",
				"p2/C.java",
				"package p2;\n" +
				"public class C {\n" +
				"	public static class B { public void fooC() {} }\n" +
				"	public static int B() { return 0; }\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p1\\A.java (at line 6)\n" +
			"	b.fooB();\n" +
			"	  ^^^^\n" +
			"The method fooB() is undefined for the type C.B\n" +
			"----------\n"
		);
	}

	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=94262
	public void test030() {
		this.runNegativeTest(
			new String[] {
				"p2/Test.java",
				"package p2;\n" +
				"import static p1.A.*;\n" +
				"public class Test {\n" +
				"	Inner1 i; // not found\n" +
				"	Inner2 j;\n" +
				"}\n",
				"p1/A.java",
				"package p1;\n" +
				"public class A {\n" +
				"	public class Inner1 {}\n" +
				"	public static class Inner2 {}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p2\\Test.java (at line 4)\n" +
			"	Inner1 i; // not found\n" +
			"	^^^^^^\n" +
			"Inner1 cannot be resolved to a type\n" +
			"----------\n"
		);
		this.runConformTest(
			new String[] {
				"p2/Test.java",
				"package p2;\n" +
				"import p1.A.*;\n" +
				"import static p1.A.*;\n" +
				"import static p1.A.*;\n" +
				"public class Test {\n" +
				"	Inner1 i;\n" +
				"	Inner2 j;\n" +
				"}\n",
				"p1/A.java",
				"package p1;\n" +
				"public class A {\n" +
				"	public class Inner1 {}\n" +
				"	public static class Inner2 {}\n" +
				"}\n",
			},
			""
		);
	}

	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95909
	public void test031() {
		this.runNegativeTest(
			new String[] {
				"PointRadius.java",
				"import static java.lang.Math.sqrt;\n" +
				"\n" +
				"public class PointRadius {\n" +
				"\n" +
				"	public static void main(String[] args) {\n" +
				"		double radius = 0;\n" +
				"		radius = sqrt(pondArea / Math.PI);\n" +
				"\n" +
				"	}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in PointRadius.java (at line 7)\n" +
			"	radius = sqrt(pondArea / Math.PI);\n" +
			"	              ^^^^^^^^\n" +
			"pondArea cannot be resolved to a variable\n" +
			"----------\n");
	}

	//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
	public void test032() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.*;\n" +
				"import static p.B.*;\n" +
				"public class X {\n" +
				"	public static void main(String[] args) {foo();}\n" +
				"}\n",
				"p/A.java",
				"package p;" +
				"public class A {\n" +
				"	public static void foo() {System.out.print(false);}\n" +
				"}\n",
				"p/B.java",
				"package p;" +
				"public class B extends A {\n" +
				"	public static void foo() {System.out.print(true);}\n" +
				"}\n"
			},
			"true");
	}

	//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
	public void test032b() {
		this.runNegativeTest(
			new String[] {
				"X2.java",
				"import static p2.A.*;\n" +
				"import static p2.B.*;\n" +
				"public class X2 { void test() {foo();} }\n",
				"p2/A.java",
				"package p2;" +
				"public class A {\n" +
				"	public static void foo() {}\n" +
				"}\n",
				"p2/B.java",
				"package p2;" +
				"public class B {\n" +
				"	public static void foo() {}\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in X2.java (at line 3)\n" +
			"	public class X2 { void test() {foo();} }\n" +
			"	                               ^^^\n" +
			"The method foo() is ambiguous for the type X2\n" +
			"----------\n"
			// reference to foo is ambiguous, both method foo() in p.B and method foo() in p.A match
		);
	}

	//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
	public void test032c() {
		this.runConformTest(
			new String[] {
				"X3.java",
				"import static p3.A.*;\n" +
				"import static p3.B.foo;\n" +
				"public class X3 {\n" +
				"	public static void main(String[] args) {foo();}\n" +
				"}\n",
				"p3/A.java",
				"package p3;" +
				"public class A {\n" +
				"	public static void foo() {System.out.print(false);}\n" +
				"}\n",
				"p3/B.java",
				"package p3;" +
				"public class B {\n" +
				"	public static void foo() {System.out.print(true);}\n" +
				"}\n"
			},
			"true");
	}

	//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
	public void test032d() {
		this.runConformTest(
			new String[] {
				"X4.java",
				"import static p4.A.foo;\n" +
				"import static p4.B.*;\n" +
				"public class X4 {\n" +
				"	public static void main(String[] args) {foo();}\n" +
				"}\n",
				"p4/A.java",
				"package p4;" +
				"public class A {\n" +
				"	public static void foo() {System.out.print(true);}\n" +
				"}\n",
				"p4/B.java",
				"package p4;" +
				"public class B extends A {\n" +
				"	public static void foo() {System.out.print(false);}\n" +
				"}\n"
			},
			"true");
	}

	public void test033() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.*;\n" +
				"import static p.B.*;\n" +
				"public class X {\n" +
				"	public static void main(String[] args) {foo(\"aa\");}\n" +
				"}\n",
				"p/A.java",
				"package p;" +
				"public class A {\n" +
				"	public static <U> void foo(U u) {System.out.print(false);}\n" +
				"}\n",
				"p/B.java",
				"package p;" +
				"public class B extends A {\n" +
				"	public static <V> void foo(String s) {System.out.print(true);}\n" +
				"}\n"
			},
			"true");
	}

	public void test033b() {
		this.runConformTest(
			new String[] {
				"X2.java",
				"import static p2.A.*;\n" +
				"import static p2.B.*;\n" +
				"public class X2 {\n" +
				"	public static void main(String[] args) {foo(\"aa\");}\n" +
				"}\n",
				"p2/A.java",
				"package p2;" +
				"public class A {\n" +
				"	public static <U> void foo(String s) {System.out.print(true);}\n" +
				"}\n",
				"p2/B.java",
				"package p2;" +
				"public class B extends A {\n" +
				"	public static <V> void foo(V v) {System.out.print(false);}\n" +
				"}\n"
			},
			"true");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104198
	public void test034() {
		this.runConformTest(
			new String[] {
				"test/AbstractTest.java",
				"package test;\n" +
				"public abstract class AbstractTest<Z> {\n" +
				"  \n" +
				"  public abstract MyEnum m(Z z);\n" +
				"  \n" +
				"  public enum MyEnum {\n" +
				"    A,B\n" +
				"  }\n" +
				"}\n",
				"test/X.java",
				"package test;\n" +
				"import static test.AbstractTest.MyEnum.*;\n" +
				"public class X extends AbstractTest<String> {\n" +
				"  @Override public MyEnum m(String s) {\n" +
				"    return A;\n" +
				"  }\n" +
				"}\n"
			},
			"");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=117861
	public void test035() {
		this.runConformTest(
			new String[] {
				"Bug.java",
				"import static java.lang.String.format;\n" +
				"public class Bug extends p.TestCase {\n" +
				"	public static void main(String[] args) {\n" +
				"		String msg = \"test\";\n" +
				"		System.out.print(format(msg));\n" +
				"		System.out.print(format(msg, 1, 2));\n" +
				"	}\n" +
				"}\n",
				"p/TestCase.java",
				"package p;\n" +
				"public class TestCase {\n" +
				"	static String format(String message, Object expected, Object actual) {return null;}\n" +
				"}\n"
			},
			"testtest");
		this.runNegativeTest(
			new String[] {
				"C.java",
				"class A {\n" +
				"	static class B { void foo(Object o, String s) {} }\n" +
				"	void foo(int i) {}\n" +
				"}\n" +
				"class C extends A.B {\n" +
				"	void test() { foo(1); }\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in C.java (at line 6)\n" +
			"	void test() { foo(1); }\n" +
			"	              ^^^\n" +
			"The method foo(Object, String) in the type A.B is not applicable for the arguments (int)\n" +
			"----------\n");
		this.runNegativeTest(
			new String[] {
				"A.java",
				"public class A {\n" +
				"  void foo(int i, long j) {}\n" +
				"  class B {\n" +
				"    void foo() { foo(1, 1); }\n" +
				"  }\n" +
				"}",
			},
			"----------\n" +
			"1. ERROR in A.java (at line 4)\n" +
			"	void foo() { foo(1, 1); }\n" +
			"	             ^^^\n" +
			"The method foo() in the type A.B is not applicable for the arguments (int, int)\n" +
			"----------\n"
		);
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564
	public void test036() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.A.CONSTANT_I;\n" +
				"import static p.A.CONSTANT_B;\n" +
				"public class X {\n" +
				"  static int i = p.A.CONSTANT_I;\n" +
				"  static int j = p.A.CONSTANT_B;\n" +
				"  static int m = CONSTANT_I;\n" +
				"  static int n = CONSTANT_B;\n" +
				"}",
				"p/A.java",
				"package p;\n" +
				"public class A extends B implements I {}\n" +
				"interface I { int CONSTANT_I = 1; }\n" +
				"class B { int CONSTANT_B = 1; }",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 2)\n" +
			"	import static p.A.CONSTANT_B;\n" +
			"	              ^^^^^^^^^^^^^^\n" +
			"The field B.p.A.CONSTANT_B is not visible\n" +
			"----------\n" +
			"2. ERROR in X.java (at line 5)\n" +
			"	static int j = p.A.CONSTANT_B;\n" +
			"	                   ^^^^^^^^^^\n" +
			"The field B.CONSTANT_B is not visible\n" +
			"----------\n" +
			"3. ERROR in X.java (at line 7)\n" +
			"	static int n = CONSTANT_B;\n" +
			"	               ^^^^^^^^^^\n" +
			"CONSTANT_B cannot be resolved to a variable\n" +
			"----------\n");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564 - variation
	public void test037() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.A.CONSTANT_I;\n" +
				"import static p.A.CONSTANT_B;\n" +
				"public class X {\n" +
				"  static int i = p.A.CONSTANT_I;\n" +
				"  static int j = p.A.CONSTANT_B;\n" +
				"  static int m = CONSTANT_I;\n" +
				"  static int n = CONSTANT_B;\n" +
				"}",
				"p/A.java",
				"package p;\n" +
				"public class A extends B implements I {}\n" +
				"interface I { int CONSTANT_I = 1; }\n" +
				"class B { public static int CONSTANT_B = 1; }",
			},
			JavacTestOptions.JavacHasABug.JavacBugFixed_6_10);
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564 - variation
	public void test038() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.A.foo_I;\n" +
				"import static p.A.foo_B;\n" +
				"public class X {\n" +
				"  static int i = p.A.foo_I();\n" +
				"  static int j = p.A.foo_B();\n" +
				"  static int m = foo_I();\n" +
				"  static int n = foo_B();\n" +
				"}",
				"p/A.java",
				"package p;\n" +
				"public abstract class A extends B implements I {}\n" +
				"interface I { int foo_I(); }\n" +
				"class B { int foo_B() { return 2;} }",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 1)\n" +
			"	import static p.A.foo_I;\n" +
			"	              ^^^^^^^^^\n" +
			"The import p.A.foo_I cannot be resolved\n" +
			"----------\n" +
			"2. ERROR in X.java (at line 2)\n" +
			"	import static p.A.foo_B;\n" +
			"	              ^^^^^^^^^\n" +
			"The import p.A.foo_B cannot be resolved\n" +
			"----------\n" +
			"3. ERROR in X.java (at line 4)\n" +
			"	static int i = p.A.foo_I();\n" +
			"	               ^^^^^^^^^^^\n" +
			"Cannot make a static reference to the non-static method foo_I() from the type I\n" +
			"----------\n" +
			"4. ERROR in X.java (at line 5)\n" +
			"	static int j = p.A.foo_B();\n" +
			"	                   ^^^^^\n" +
			"The method foo_B() from the type B is not visible\n" +
			"----------\n" +
			"5. ERROR in X.java (at line 6)\n" +
			"	static int m = foo_I();\n" +
			"	               ^^^^^\n" +
			"The method foo_I() is undefined for the type X\n" +
			"----------\n" +
			"6. ERROR in X.java (at line 7)\n" +
			"	static int n = foo_B();\n" +
			"	               ^^^^^\n" +
			"The method foo_B() is undefined for the type X\n" +
			"----------\n");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564 - variation
	public void test039() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.A.foo_I;\n" +
				"import static p.A.foo_B;\n" +
				"public class X {\n" +
				"  static int i = p.A.foo_I();\n" +
				"  static int j = p.A.foo_B();\n" +
				"  static int m = foo_I();\n" +
				"  static int n = foo_B();\n" +
				"}",
				"p/A.java",
				"package p;\n" +
				"public abstract class A extends B implements I {}\n" +
				"interface I { int foo_I(); }\n" +
				"class B { public static int foo_B() { return 2;} }",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 1)\n" +
			"	import static p.A.foo_I;\n" +
			"	              ^^^^^^^^^\n" +
			"The import p.A.foo_I cannot be resolved\n" +
			"----------\n" +
			"2. ERROR in X.java (at line 4)\n" +
			"	static int i = p.A.foo_I();\n" +
			"	               ^^^^^^^^^^^\n" +
			"Cannot make a static reference to the non-static method foo_I() from the type I\n" +
			"----------\n" +
			"3. ERROR in X.java (at line 6)\n" +
			"	static int m = foo_I();\n" +
			"	               ^^^^^\n" +
			"The method foo_I() is undefined for the type X\n" +
			"----------\n");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87490 - variation
	public void test040() {
		this.runConformTest(
			new String[] {
				"p1/Z.java",//====================
				"package p1;\n" +
				"public class Z {\n" +
				"	public interface I {\n" +
				"	}\n" +
				"}\n",
				"q/Y.java",//====================
				"package q;\n" +
				"import static p.X.foo;\n" +
				"import static p1.Z.I;\n" +
				"public class Y implements I {\n" +
				"}\n",
				"p/X.java",//====================
				"package p;\n" +
				"public class X {\n" +
				"	public static void foo() {}\n" +
				"}\n"	,
			},
			"");
		// recompile Y against binaries
		this.runConformTest(
			new String[] {
				"q/Y.java",//====================
				"package q;\n" +
				"import static p.X.foo;\n" +
				"import static p1.Z.I;\n" +
				"public class Y implements I {\n" +
				"}\n",
			},
			"",
			null,
			false,
			null);
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=134118
	public void test041() {
		this.runConformTest(
			true,
			new String[] {
				"Test.java",
				"import static p.I.*;\n" +
				"import static p.J.*;\n" +
				"public class Test {\n" +
				"	int i = Constant;\n" +
				"}\n",
				"p/I.java",
				"package p;\n" +
				"public interface I { static int Constant = 1; }\n",
				"p/J.java",
				"package p;\n" +
				"public interface J extends I {}\n"	,
			},
			"----------\n" +
			"1. WARNING in Test.java (at line 2)\n" +
			"	import static p.J.*;\n" +
			"	              ^^^\n" +
			"The import p.J is never used\n" +
			"----------\n",
			null,
			null,
			JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings
		);
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=133737
	public void test042() {
		this.runNegativeTest(
			new String[] {
				"ImportTest.java",
				"import static p.ArrayTest.toString2;\n" +
				"public class ImportTest extends SuperTest {\n" +
				"	public static void main(String[] args) { printArgs(1, 2, 3, 4, 5); }\n" +
				"	static void printArgs(Object... args) { toString2(args); }\n" +
				"}\n" +
				"class SuperTest {\n" +
				"	static void toString2() {}\n" +
				"}\n",
				"p/ArrayTest.java",
				"package p;\n" +
				"public class ArrayTest {\n" +
				"	public static void toString2(String[] args) {}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in ImportTest.java (at line 4)\n" +
			"	static void printArgs(Object... args) { toString2(args); }\n" +
			"	                                        ^^^^^^^^^\n" +
			"The method toString2() in the type SuperTest is not applicable for the arguments (Object[])\n" +
			"----------\n"
			// toString2() in SuperTest cannot be applied to (java.lang.Object[])
		);
		this.runNegativeTest(
			new String[] {
				"ImportTest.java",
				"import static java.util.Arrays.toString;\n" +
				"public class ImportTest {\n" +
				"	public static void main(String[] args) { printArgs(1, 2, 3, 4, 5); }\n" +
				"	static void printArgs(Object... args) { toString(args); }\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in ImportTest.java (at line 4)\n" +
			"	static void printArgs(Object... args) { toString(args); }\n" +
			"	                                        ^^^^^^^^\n" +
			"The method toString() in the type Object is not applicable for the arguments (Object[])\n" +
			"----------\n"
			// toString() in java.lang.Object cannot be applied to (java.lang.Object[])
		);
	}
	public void test042b() {
		this.runConformTest(
			new String[] {
				"ImportTest.java",
				"import static p.DefinesFoo.foo;\n" +
				"public class ImportTest extends SuperImportTest {\n" +
				"	void test() { foo(\"fails?\"); }\n" +
				"}\n" +
				"class SuperImportTest {\n" +
				"	private void foo() {}\n" +
				"}\n",
				"p/DefinesFoo.java",
				"package p;\n" +
				"public class DefinesFoo {\n" +
				"	public static void foo(String s) {}\n" +
				"}\n",
			},
			""
		);
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129388
	public void test043() {
		this.runConformTest(
			new String[] {
				"B.java",
				"import static java.lang.String.format;\n" +
				"public class B extends p.A {\n" +
				"	void test() { format(\"fails?\"); }\n" +
				"	void test2() { format(\"fails?\", null); }\n" +
				"	void test3() { format(\"fails?\", null, null); }\n" +
				"	void test4() { format(\"fails?\", null, null, null); }\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A {\n" +
				"	static String format(String message, Object expected, Object actual) { return null; }\n" +
				"}\n",
			},
			""
		);
	}
	// names potential confusion
	public void test044() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p.X.B.E;\n" +
				"import static p.X.B.*;\n" +
				"\n" +
				"public class X {\n" +
				"  public static class Y {\n" +
				"    public enum E { FOO; }\n" +
				"    public static Object E() { return null; }\n" +
				"    public enum F { FOO; }\n" +
				"    public static Object F() { return null; }\n" +
				"  }\n" +
				"  public static class B extends Y {}\n" +
				"  Object f1 = E.FOO;\n" +
				"  Object f2 = E();\n" +
				"  Object f3 = F.FOO;\n" +
				"  Object f4 = F();\n" +
				"}\n",
			},
			""
		);
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142772
	public void test045() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static test.Y.arrayList;\n" +
				"public class X { static void arrayList(int x) { arrayList(); } }\n",
				"test/Y.java",
				"package test;\n" +
				"public class Y { public static void arrayList() {} }\n",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 2)\n" +
			"	public class X { static void arrayList(int x) { arrayList(); } }\n" +
			"	                                                ^^^^^^^^^\n" +
			"The method arrayList(int) in the type X is not applicable for the arguments ()\n" +
			"----------\n"
			// arrayList(int) in X cannot be applied to ()
		);
	}
	public void test045b() {
		this.runNegativeTest(
			new String[] {
				"test/One.java",
				"package test;\n" +
				"public class One { public static void arrayList(String s) {} }\n",
				"test/Two.java",
				"package test;\n" +
				"public class Two { public void arrayList(int i) {} }\n",
				"test/Three.java",
				"package test;\n" +
				"import static test.One.arrayList;\n" +
				"public class Three extends Two { public static void test(String s) { arrayList(s); } }\n",
			},
			"----------\n" +
			"1. ERROR in test\\Three.java (at line 3)\n" +
			"	public class Three extends Two { public static void test(String s) { arrayList(s); } }\n" +
			"	                                                                     ^^^^^^^^^\n" +
			"The method arrayList(int) in the type Two is not applicable for the arguments (String)\n" +
			"----------\n"
			// arrayList(int) in test.Two cannot be applied to (java.lang.String)
		);
		this.runNegativeTest(
			new String[] {
				"test/One.java",
				"package test;\n" +
				"public class One { public static void arrayList(String s) {} }\n",
				"test/Two.java",
				"package test;\n" +
				"public class Two { public static void arrayList(int i) {} }\n",
				"test/Three.java",
				"package test;\n" +
				"import static test.One.arrayList;\n" +
				"public class Three extends Two { public static void test(String s) { arrayList(s); } }\n",
			},
			"----------\n" +
			"1. ERROR in test\\Three.java (at line 3)\n" +
			"	public class Three extends Two { public static void test(String s) { arrayList(s); } }\n" +
			"	                                                                     ^^^^^^^^^\n" +
			"The method arrayList(int) in the type Two is not applicable for the arguments (String)\n" +
			"----------\n"
			// arrayList(int) in test.Two cannot be applied to (java.lang.String)
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=133737
	public void test046() {
		this.runNegativeTest(
			new String[] {
				"error/Exporter.java",
				"package error;\n" +
				"public class Exporter {\n" +
				"  public static String getName(Class<?> c) {\n" +
				"    return null;\n" +
				"  }\n" +
				"}",
				"error/Importer.java",
				"package error;\n" +
				"import static error.Exporter.getName;\n" +
				"public class Importer extends Base {\n" +
				"  public void testSomething() {\n" +
				"    getName();\n" +
				"    getName(Importer.class);\n" +
				"  }\n" +
				"}",
				"error/Base.java",
				"package error;\n" +
				"public class Base {\n" +
				"  public String getName() {\n" +
				"    return \"name\";\n" +
				"  }\n" +
				"}"
			},
			"----------\n" +
			"1. ERROR in error\\Importer.java (at line 6)\n" +
			"	getName(Importer.class);\n" +
			"	^^^^^^^\n" +
			"The method getName() in the type Base is not applicable for the arguments (Class<Importer>)\n" +
			"----------\n"
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165069
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165081
	public void test047() {
		this.runNegativeTest(
			new String[] {
				"sample/X.java",
				"package sample;\n" +
				"import static sample.X.TestEnum.V1;\n" +
				"import static sample.X.TestEnum.V2;\n" +
				"\n" +
				"public class X<T> {\n" +
				"        public static enum TestEnum {\n" +
				"                V1,\n" +
				"                V2\n" +
				"        }\n" +
				"\n" +
				"        public void test(final TestEnum value) {\n" +
				"                switch (value) {\n" +
				"                        case V1:\n" +
				"                        case V2:\n" +
				"                }\n" +
				"        }\n" +
				"\n" +
				"        public void ref() {\n" +
				"               final TestEnum v1 = TestEnum.V1;\n" +
				"               final TestEnum v2 = TestEnum.V2;\n" +
				"				int i;\n" +
				"				i++;\n" +
				"        }\n" +
				"}", // =================
			},
			"----------\n" +
			"1. WARNING in sample\\X.java (at line 2)\n" +
			"	import static sample.X.TestEnum.V1;\n" +
			"	              ^^^^^^^^^^^^^^^^^^^^\n" +
			"The import sample.X.TestEnum.V1 is never used\n" +
			"----------\n" +
			"2. WARNING in sample\\X.java (at line 3)\n" +
			"	import static sample.X.TestEnum.V2;\n" +
			"	              ^^^^^^^^^^^^^^^^^^^^\n" +
			"The import sample.X.TestEnum.V2 is never used\n" +
			"----------\n" +
			"3. ERROR in sample\\X.java (at line 22)\n" +
			"	i++;\n" +
			"	^\n" +
			"The local variable i may not have been initialized\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165069 - variation
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165081 - variation
	public void test048() {
		this.runNegativeTest(
			new String[] {
				"sample/X.java",
				"package sample;\n" +
				"import static sample.X.TestEnum.*;\n" +
				"\n" +
				"public class X<T> {\n" +
				"        public static enum TestEnum {\n" +
				"                V1,\n" +
				"                V2\n" +
				"        }\n" +
				"\n" +
				"        public void test(final TestEnum value) {\n" +
				"                switch (value) {\n" +
				"                        case V1:\n" +
				"                        case V2:\n" +
				"                }\n" +
				"        }\n" +
				"\n" +
				"        public void ref() {\n" +
				"               final TestEnum v1 = TestEnum.V1;\n" +
				"               final TestEnum v2 = TestEnum.V2;\n" +
				"				int i;\n" +
				"				i++;\n" +
				"        }\n" +
				"}", // =================
			},
			"----------\n" +
			"1. WARNING in sample\\X.java (at line 2)\n" +
			"	import static sample.X.TestEnum.*;\n" +
			"	              ^^^^^^^^^^^^^^^^^\n" +
			"The import sample.X.TestEnum is never used\n" +
			"----------\n" +
			"2. ERROR in sample\\X.java (at line 21)\n" +
			"	i++;\n" +
			"	^\n" +
			"The local variable i may not have been initialized\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165081 - variation
	public void test049() {
		this.runNegativeTest(
			new String[] {
				"sample/X.java",
				"package sample;\n" +
				"import static sample.X.*;\n" +
				"public class X {\n" +
				"	public class Member {}\n" +
				"	public void ref() {\n" +
				"		int i;\n" +
				"		i++;\n" +
				"	}\n" +
				"}", // =================
			},
			"----------\n" +
			"1. WARNING in sample\\X.java (at line 2)\n" +
			"	import static sample.X.*;\n" +
			"	              ^^^^^^^^\n" +
			"The import sample.X is never used\n" +
			"----------\n" +
			"2. ERROR in sample\\X.java (at line 7)\n" +
			"	i++;\n" +
			"	^\n" +
			"The local variable i may not have been initialized\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=187329
	public void test050() {
		this.runConformTest(
			new String[] {
				"p/A.java",
				"package p;\n" +
				"import static p.B.bar3;\n" +
				"public class A { int a = bar3; }" ,
				"p/B.java",
				"package p;\n" +
				"import static p.Util.someStaticMethod;\n" +
				"public class B {\n" +
				"	static final int bar = someStaticMethod();\n" +
				"	static final int bar2 = someStaticMethod();\n" +
				"	static final int bar3 = someStaticMethod();\n" +
				"}" ,
				"p/C.java",
				"package p;\n" +
				"import static p.B.bar;\n" +
				"public class C { int c = bar; }" ,
				"p/Util.java",
				"package p;\n" +
				"class Util { static int someStaticMethod() { return 0; } }"
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207433
	public void test051() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static r.Y.Z;\n" +
				"import q.*;\n" +
				"public class X<T> extends Z<T> {\n" +
				"   Z<T> getZ() { return null; } \n" +
				"	void bar() {\n" +
				"		System.out.println(getZ().value);\n" +
				"	}\n" +
				"}\n",
				"q/Z.java",
				"package q;\n" +
				"import r.Y;\n" +
				"public class Z<T> extends Y<T> {\n" +
				"}\n",
				"r/Y.java",
				"package r;\n" +
				"public class Y<T> {\n" +
				"	public static String foo;\n" +
				"	public String value;\n" +
				"	public static String Z;\n" +
				"}\n" ,
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207433 - variation
	public void test052() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static r.Y.*;\n" +
				"import q.*;\n" +
				"public class X<T> extends Z<T> {\n" +
				"   Z<T> getZ() { return null; } \n" +
				"	void bar() {\n" +
				"		System.out.println(getZ().value);\n" +
				"	}\n" +
				"}\n",
				"q/Z.java",
				"package q;\n" +
				"import r.Y;\n" +
				"public class Z<T> extends Y<T> {\n" +
				"}\n",
				"r/Y.java",
				"package r;\n" +
				"public class Y<T> {\n" +
				"	public static String foo;\n" +
				"	public String value;\n" +
				"	public static String Z;\n" +
				"}\n" ,
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207433 - variation
	public void test053() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static q.Y.foo;\n" +
				"public class X extends Z {\n" +
				"   Z getZ() { return null; } \n" +
				"	void bar() {\n" +
				"		System.out.println(getZ().value);\n" +
				"	}\n" +
				"}\n",
				"p/Z.java",
				"package p;\n" +
				"import q.Y;\n" +
				"public class Z extends Y {\n" +
				"}\n",
				"q/Y.java",
				"package q;\n" +
				"public class Y {\n" +
				"	public static int foo;\n" +
				"	public int value;\n" +
				"}\n" ,
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193210
	public void test055() {
		this.runConformTest(
				new String[] {
					"p/X.java",
					"package p;\n" +
					"import static r.Y.Z;\n" +
					"import q.*;\n" +
					"import r.*;\n" +
					"public class X<T> extends Z<T> {\n" +
					"   V<T> getV() { return null; } \n" +
					"	void bar() {\n" +
					"		System.out.println(getV().value);\n" +
					"	}\n" +
					"}\n",
					"q/Z.java",
					"package q;\n" +
					"import r.Y;\n" +
					"public class Z<T> extends Y<T> {\n" +
					"}\n",
					"r/Y.java",
					"package r;\n" +
					"public class Y<T> extends V<T>{\n" +
					"	public static class Z<U> {}\n" +
					"}\n" ,
					"r/V.java",
					"package r;\n" +
					"public class V<T> {\n" +
					"	public Runnable value;\n" +
					"}\n" ,
				},
				"");
		}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193210 - variation
	public void test056() {
		this.runNegativeTest(
				new String[] {
					"p/X.java",
					"package p;\n" +
					"import static r.Y.Z;\n" +
					"import q.*;\n" +
					"public class X extends Z {\n" +
					"   Z getZ() { return null; } \n" +
					"	void bar() {\n" +
					"		System.out.println(getZ().value);\n" +
					"	}\n" +
					"}\n",
					"q/Z.java",
					"package q;\n" +
					"import r.Y;\n" +
					"public class Z extends Y {\n" +
					"}\n",
					"r/Y.java",
					"package r;\n" +
					"public class Y extends V{\n" +
					"	public static class Z {}\n" +
					"}\n" ,
					"r/V.java",
					"package r;\n" +
					"public class V {\n" +
					"	public Runnable value;\n" +
					"}\n" ,
				},
				"----------\n" +
				"1. ERROR in p\\X.java (at line 7)\n" +
				"	System.out.println(getZ().value);\n" +
				"	                          ^^^^^\n" +
				"value cannot be resolved or is not a field\n" +
				"----------\n");
		}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193210 - variation
	public void test057() {
		this.runNegativeTest(
				new String[] {
					"p/X.java",
					"package p;\n" +
					"import static r.Y.Z;\n" +
					"import q.*;\n" +
					"public class X<T> extends Z<T> {\n" +
					"   Z<T> getZ() { return null; } \n" +
					"	void bar() {\n" +
					"		System.out.println(getZ().value);\n" +
					"	}\n" +
					"}\n",
					"q/Z.java",
					"package q;\n" +
					"import r.Y;\n" +
					"public class Z<T> extends Y<T> {\n" +
					"}\n",
					"r/Y.java",
					"package r;\n" +
					"public class Y<T> extends V<T>{\n" +
					"	public static class Z {}\n" +
					"}\n" ,
					"r/V.java",
					"package r;\n" +
					"public class V<T> {\n" +
					"	public Runnable value;\n" +
					"}\n" ,
				},
				"----------\n" +
				"1. ERROR in p\\X.java (at line 4)\n" +
				"	public class X<T> extends Z<T> {\n" +
				"	                          ^\n" +
				"The type Y.Z is not generic; it cannot be parameterized with arguments <T>\n" +
				"----------\n" +
				"2. ERROR in p\\X.java (at line 5)\n" +
				"	Z<T> getZ() { return null; } \n" +
				"	^\n" +
				"The type Y.Z is not generic; it cannot be parameterized with arguments <T>\n" +
				"----------\n" +
				"3. ERROR in p\\X.java (at line 7)\n" +
				"	System.out.println(getZ().value);\n" +
				"	                   ^^^^\n" +
				"The method getZ() is undefined for the type X<T>\n" +
				"----------\n");
		}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=216930
	public void test058() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static p.A.a;\n" +
				"public class X {\n" +
				"   void foo(W w) { a(w).a(w); }\n" +
				"}\n",
				"p/A.java",
				"package p;\n" +
				"public class A {\n" +
				"   public static A a(W... w) { return null; }\n" +
				"   public A a(W w) { return null; }\n" +
				"}\n",
				"p/W.java",
				"package p;\n" +
				"public class W {}\n"
			},
			"");
		}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211
	public void test059() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static q.A.a;\n" +
				"public class X {\n" +
				"}\n",
				"q/A.java",
				"package q;\n" +
				"interface I {\n" +
				"	String a = \"\";\n" +
				"}\n" +
				"class B {\n" +
				"	public static String a;\n" +
				"}\n" +
				"public class A extends B implements I{\n" +
				"}\n",
			},
			"");
		}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
	public void test060() {
		this.runConformTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static q.A.a;\n" +
				"public class X {\n" +
				"}\n",
				"q/A.java",
				"package q;\n" +
				"interface I {\n" +
				"	String a(Object o);\n" +
				"}\n" +
				"class B {\n" +
				"	public static void a(){}\n" +
				"}\n" +
				"public abstract class A extends B implements I{\n" +
				"}\n",
			},
			"");
		}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
	public void test061() {
		runConformTest(
			// test directory preparation
			true /* flush output directory */,
			new String[] { /* test files */
				"p/X.java",
				"package p;\n" +
				"import static q.A.a;\n" +
				"public class X {\n" +
				"}\n",
				"q/A.java",
				"package q;\n" +
				"interface I {\n" +
				"	String a = \"\";\n" +
				"}\n" +
				"interface B {\n" +
				"	String a = \"2\";\n" +
				"}\n" +
				"public class A implements B, I {\n" +
				"}\n",
			},
			// compiler results
			null /* do not check compiler log */,
			// runtime results
			"" /* expected output string */,
			null /* do not check error string */,
			// javac options
			JavacTestOptions.DEFAULT /* javac test options */);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
	public void test062() {
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static q.A.a;\n" +
				"public class X {\n" +
				"}\n",
				"q/A.java",
				"package q;\n" +
				"interface I {\n" +
				"	String a(Object o);\n" +
				"}\n" +
				"interface B {\n" +
				"	void a();\n" +
				"}\n" +
				"public abstract class A implements B, I{\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p\\X.java (at line 2)\n" +
			"	import static q.A.a;\n" +
			"	              ^^^^^\n" +
			"The import q.A.a cannot be resolved\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
	public void test063() {
		this.runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"import static q.A.a;\n" +
				"import static q.A.b;\n" +
				"public class X {\n" +
				"	void test() {\n" +
				"		System.out.println(a);\n" +
				"		System.out.println(b);\n" +
				"		System.out.println(b(1));\n" +
				"	}\n" +
				"}\n",
				"q/A.java",
				"package q;\n" +
				"interface I {\n" +
				"	String a = \"1\";\n" +
				"	String b = \"2\";\n" +
				"}\n" +
				"interface J {\n" +
				"	String a = \"3\";\n" +
				"}\n" +
				"class B {\n" +
				"	public static String a = \"4\";\n" +
				"	public static String b = \"5\";\n" +
				"	public static String b(int i) { return \"6\"; }\n" +
				"}\n" +
				"public class A extends B implements J, I {}\n",
			},
			"----------\n" +
			"1. ERROR in p\\X.java (at line 6)\n" +
			"	System.out.println(a);\n" +
			"	                   ^\n" +
			"The field a is ambiguous\n" +
			"----------\n" +
			"2. ERROR in p\\X.java (at line 7)\n" +
			"	System.out.println(b);\n" +
			"	                   ^\n" +
			"The field b is ambiguous\n" +
			"----------\n",
			JavacTestOptions.DEFAULT
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
	public void test064() {
		this.runNegativeTest(
			new String[] {
				"p1/X.java",
				"package p1;\n" +
				"import static p2.A.M;\n" +
				"public class X {\n" +
				"	M m;\n" +
				"}\n",
				"p2/A.java",
				"package p2;\n" +
				"interface I { class M {} }\n" +
				"class B { public static class M {} }\n" +
				"public class A extends B implements I {}\n",
			},
			"----------\n" +
			"1. ERROR in p1\\X.java (at line 4)\n" +
			"	M m;\n" +
			"	^\n" +
			"The type M is ambiguous\n" +
			"----------\n",
			JavacTestOptions.DEFAULT
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026
	public void test065() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.I.E.C;\n" +
				"\n" +
				"class C {}\n" +
				"class B<T> {}\n" +
				"public class X extends B<C>{\n" +
				"}",
				"p/I.java",
				"package p;\n" +
				"\n" +
				"public interface I <T extends Object> {\n" +
				"	enum E { C }\n" +
				"}",
			},
			""
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
	public void test066() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.I.E.C;\n" +
				"\n" +
				"class C {}\n" +
				"class B<T> {}\n" +
				"public class X extends B<C>{\n" +
				"}",
				"p/I.java",
				"package p;\n" +
				"\n" +
				"public interface I <T extends Object> {\n" +
				"	enum E { ; public static void C(){} }\n" +
				"}",
			},
			""
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
	public void test067() {
		this.runNegativeTest(
			new String[] {
				"X.java",
				"import static p.I.E.C;\n" +
				"\n" +
				"class C {}\n" +
				"class B<T> {}\n" +
				"public class X extends B<C>{\n" +
				"}",
				"p/I.java",
				"package p;\n" +
				"\n" +
				"public interface I <T extends Object> {\n" +
				"	enum E { ; static void C(){} }\n" +
				"}",
			},
			"----------\n" +
			"1. ERROR in X.java (at line 1)\n" +
			"	import static p.I.E.C;\n" +
			"	              ^^^^^^^\n" +
			"The import p.I.E.C cannot be resolved\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
	public void test068() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.I.E.C;\n" +
				"class C {}\n" +
				"class B<T> {}\n" +
				"public class X extends B<C>{\n" +
				"	static void test() { int i = C; }\n" +
				"}",
				"p/I.java",
				"package p;\n" +
				"public interface I<T extends Object> {\n" +
				"	public static class E extends F {}\n" +
				"	public static class F { public static int C; }\n" +
				"}",
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
	public void test069() {
		this.runConformTest(
			new String[] {
				"X.java",
				"import static p.I.E.C;\n" +
				"class C {}\n" +
				"class B<T> {}\n" +
				"public class X extends B<C>{\n" +
				"	static void test() { C(); }\n" +
				"}",
				"p/I.java",
				"package p;\n" +
				"public interface I<T extends Object> {\n" +
				"	public static class E extends F {}\n" +
				"	public static class F { public static void C() {} }\n" +
				"}",
			},
			"");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=250211
	public void test070() {
		this.runConformTest(
			new String[] {
				"node/Test.java",//------------------------------
				"package node;\n" +
				"public class Test {\n" +
				"        public static void node() {}\n" +
				"}\n",
				"node2/Test2.java",//------------------------------
				"package node2;\n" +
				"import static node.Test.node;\n" +
				"public class Test2 {\n" +
				"}\n",
			},
			"");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=250211 - variation
	public void test071() {
		this.runNegativeTest(
			new String[] {
				"node/Test/node.java",//------------------------------
				"package node.Test;\n" +
				"public class node {\n" +
				"}\n",
				"node/Test.java",//------------------------------
				"package node;\n" +
				"public class Test {\n" +
				"        public static void node() {}\n" +
				"}\n",
				"node2/Test2.java",//------------------------------
				"package node2;\n" +
				"import node.Test;\n" +
				"import static Test.node;\n" +
				"public class Test2 {\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in node\\Test.java (at line 2)\n" +
			"	public class Test {\n" +
			"	             ^^^^\n" +
			"The type Test collides with a package\n" +
			"----------\n" +
			"----------\n" +
			"1. ERROR in node2\\Test2.java (at line 3)\n" +
			"	import static Test.node;\n" +
			"	              ^^^^\n" +
			"The import Test cannot be resolved\n" +
			"----------\n");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93913 - variation
	public void test072() {
		this.runNegativeTest(
			new String[] {
				"p1/A.java",
				"package p1;\n" +
				"import static p2.C.B;\n" +
				"public class A extends B {\n" +
				"	void test() {" +
				"		int i = B;\n" +
				"		B b = null;\n" +
				"		int v1 = b.fooB;\n" +
				"		int v2 = b.fooC;\n" +
				"		int v3 = fooC;\n" +
				"	}\n" +
				"}\n",
				"p1/B.java",
				"package p1;\n" +
				"public class B {\n" +
				"	public int fooB;\n" +
				"}\n",
				"p2/C.java",
				"package p2;\n" +
				"public class C {\n" +
				"	public static class B { public int fooC; }\n" +
				"	public static int B;\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p1\\A.java (at line 6)\n" +
			"	int v1 = b.fooB;\n" +
			"	           ^^^^\n" +
			"fooB cannot be resolved or is not a field\n" +
			"----------\n");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=256375
	public void test073() {
		this.runNegativeTest(
			new String[] {
				"test/Outer.java",
				"package test;\n" +
				"import static test.Outer.Inner.VALUE;\n" +
				"public class Outer {\n" +
				"    int i = VALUE;\n" +
				"    int i2 = Inner.VALUE;\n" +
				"    static class Inner {\n" +
				"        private static final int VALUE = 0;\n" +
				"    }\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in test\\Outer.java (at line 2)\n" +
			"	import static test.Outer.Inner.VALUE;\n" +
			"	              ^^^^^^^^^^^^^^^^^^^^^^\n" +
			"The field Outer.Inner.test.Outer.Inner.VALUE is not visible\n" +
			"----------\n" +
			"2. ERROR in test\\Outer.java (at line 4)\n" +
			"	int i = VALUE;\n" +
			"	        ^^^^^\n" +
			"VALUE cannot be resolved to a variable\n" +
			"----------\n");
	}
	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=256375 - variation
	public void test074() {
		this.runConformTest(
			new String[] {
				"test/Outer.java",
				"package test;\n" +
				"import static test.Outer.Inner.*;\n" +
				"public class Outer {\n" +
				"    int i = VALUE;\n" +
				"    int i2 = Inner.VALUE;\n" +
				"    static class Inner {\n" +
				"        private static final int VALUE = 0;\n" +
				"    }\n" +
				"}\n",
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
	// To verify that a static import importing a type which has already been
	// imported by a single type import is reported as duplicate
	// while the other static members imported by it are not shadowed.
	public void test075() {
		this.runNegativeTest(
			new String[] {
				"A/A.java",
				"package A;\n" +
				"import B.B.C1;\n" +
				"import static B.B.C1;\n" +
				"public abstract class A {\n" +
				"	protected void A1(Object task) {\n" +
				"		C1 c = C1(task);\n" +
				"	}\n" +
				"}\n",
				"B/B.java",
				"package B;\n" +
				"final public class B {\n" +
				"	private B() {}\n" +
				"	public static class C1 {}\n" +
				"	public static C1 C1(Object o) {\n" +
				"		return new C1();\n" +
				"	}\n" +
				"}\n",
			},
			""
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
	// To verify that a static import importing a static method doesn't collide
	// with a single type import importing a non-static type with the same name as the method
	public void test076() {
		this.runConformTest(
			new String[] {
				"A/A.java",
				"package A;\n" +
				"import B.B.C1;\n" +
				"import static B.B.C1;\n" +
				"public class A {\n" +
				"	protected void A1(Object task) {\n" +
				"		C1 c1;\n" +
				"		int c = C1(task);\n" +
				"	}\n" +
				"}\n",
				"B/B.java",
				"package B;\n" +
				"final public class B {\n" +
				"	private B() {}\n" +
				"	public class C1 {}\n" +
				"	public static int C1(Object o) {\n" +
				"		return 1;\n" +
				"	}\n" +
				"}\n",
			},
			"");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
	// To verify that two static imports importing the same type don't collide
	public void test077() {
		this.runConformTest(
			new String[] {
				"p1/X.java",
				"package p1;\n" +
				"import p2.A;\n" +
				"import static p2.A.C;\n" +
				"import static p1.B.C;\n" +
				"public class X {\n" +
				"	public static void main(String[] args) {\n" +
				"		foo();\n" +
				"	}\n" +
				"	public static void foo() {\n" +
				"		if (C.CONST == 1) {\n" +
				"			System.out.println(\"SUCCESS\");\n" +
				"			return;\n" +
				"		}\n" +
				"		System.out.println(\"FAILED\");\n" +
				"	}\n" +
				"}\n" +
				"class B extends A {}",
				"p2/A.java",
				"package p2;\n" +
				"public class A {\n" +
				"	public static class C {\n" +
				"		public static int CONST = 1;\n" +
				"	}\n" +
				"}"
			},
			"SUCCESS");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
	// To verify that a static import importing a type which has already been
	// imported by a single type import is reported as duplicate
	// while the other static members imported by it are not shadowed.
	public void test078() {
		this.runNegativeTest(
			new String[] {
				"A/A.java",
				"package A;\n" +
				"import static B.B.C1;\n" +
				"import B.B.C1;\n" +
				"public abstract class A {\n" +
				"	protected void A1(Object task) {\n" +
				"		C1 c = C1(task);\n" +
				"	}\n" +
				"}\n",
				"B/B.java",
				"package B;\n" +
				"final public class B {\n" +
				"	private B() {}\n" +
				"	public static class C1 {}\n" +
				"	public static C1 C1(Object o) {\n" +
				"		return new C1();\n" +
				"	}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in A\\A.java (at line 3)\n" +
			"	import B.B.C1;\n" +
			"	       ^^^^^^\n" +
			"The import B.B.C1 collides with another import statement\n" +
			"----------\n"
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
	// To verify that a static import importing a type which has already been
	// imported by a single type import is not reported as duplicate
	// if they are just the same type
	public void test079() {
		this.runNegativeTest(
			new String[] {
				"A/A.java",
				"package A;\n" +
				"import static B.B.C1;\n" +
				"import B.B.C1;\n" +
				"public abstract class A {\n" +
				"	protected void A1(C1 c) {\n" +
				"	}\n" +
				"}\n",
				"B/B.java",
				"package B;\n" +
				"final public class B {\n" +
				"	public static class C1 {}\n" +
				"}\n",
			},
			"----------\n" +
			"1. WARNING in A\\A.java (at line 2)\n" +
			"	import static B.B.C1;\n" +
			"	              ^^^^^^\n" +
			"The import B.B.C1 is never used\n" +
			"----------\n"
		);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=336934
	public void test080() {
		this.runNegativeTest(
			new String[] {
				"a/B.java",
				"package a;\n" +
				"public class B {}",
				"external/Lib.java",
				"package external;\n" +
				"public class Lib {\n" +
				"	public static void m() {}\n" +
				"}",
				"a/B/C.java",
				"package a.B;\n" +
				"import static external.Lib.m;\n" +
				"public class C {\n" +
				"	public void main() {\n" +
				"		m();\n" +
				"	}\n" +
				"}"
			},
			"----------\n" +
			"1. ERROR in a\\B\\C.java (at line 1)\n" +
			"	package a.B;\n" +
			"	        ^^^\n" +
			"The package a.B collides with a type\n" +
			"----------\n"
		);
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
	public void test081() {
		this.runConformTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import p3.Foo.*;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().beginTest();" +
				"	}\n" +
				"	public void beginTest(){\n" +
				"		System.out.print(\"1 + 1 =  \");\n" +
				"		if(alwaysTrue()) System.out.println(\"2\");\n" +
				"		else System.out.println(\"3\"); " +
				"	}\n" +
				"	public boolean alwaysTrue(){\n" +
				"		String myB   =        B.class.getCanonicalName();;\n" +		// refers to p1.Bar.B (class)
				"		String realB = p1.Bar.B.class.getCanonicalName();;\n" +     // refers to p1.Bar.B (class)
				"		B();\n" +				// refers to p1.Bar.B() (method)
				"		return myB.equals(realB);\n" +
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static class B{}\n" +
				"	final public static String B = new String(\"random\");\n" +
				"	public static void B(){}\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public class B{\n" +
				"		public int a;\n" +
				"	}\n" +
				"}\n"
			},
			"1 + 1 =  2");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
	public void test082() {
		this.runNegativeTest(
			new String[] {
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static class B{}\n" +
				"	final public static String B = new String(\"random\");\n" +
				"	public static void B(){}\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public class B{\n" +
				"		public int a;\n" +
				"	}\n" +
				"}\n",
				"p2/Test.java",
				"package p2;\n" +
				"import static p1.Bar.B;\n" +
				"import p3.Foo.*;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().beginTest();" +
				"	}\n" +
				"	public void beginTest(){\n" +
				"		System.out.print(\"1 + 1 =  \");\n" +
				"		if(alwaysTrue()) System.out.println(\"2\");\n" +
				"		else System.out.println(\"3\"); " +
				"	}\n" +
				"	public boolean alwaysTrue(){\n" +
				"		B b = null;\n" +		// refers to p1.Bar.B (class)
				"		String realB = B;\n" +  // refers to p1.Bar.B (field)
				"		B();\n" +				// refers to p1.Bar.B() (method)
				"		int abc = b.a;\n;" +	// static import for Bar.B overshadows on demand import Foo.B
				"	}\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in p2\\Test.java (at line 15)\n" +
			"	int abc = b.a;\n" +
			"	            ^\n" +
			"a cannot be resolved or is not a field\n" +
			"----------\n");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
	public void test083() {
		this.runConformTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import p3.Foo.*;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"		System.out.println(B.toString());\n" +		// Field obscures class B
				"		System.out.println(p1.Bar.B.toString());\n" +  // Field obscures the class B
				"		System.out.println(B.class.getCanonicalName().toString());\n" +	// the class B
				"		System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +	// class B
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static class B{}\n" +
				"	final public static String B = new String(\"random\");\n" +
				"	public static void B(){}\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public class B{\n" +
				"		public int a;\n" +
				"	}\n" +
				"}\n"
			},
			"random\n" +
			"random\n" +
			"p1.Bar.B\n" +
			"p1.Bar.B");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
	// Check if we're able to find the correct static member type being imported,
	// even though the import originally resolved to the static field of the same name,
	// coming from the supertype
	public void test084() {
		this.runConformTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import p3.Foo.*;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"		System.out.println(B.class.getCanonicalName().toString());\n" +	// the class B
				"		System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +	// class B
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar extends SuperBar{\n" +
				"	public static class B{}\n" +
				"	public static void B(){}\n" +
				"}\n",
				"p1/SuperBar.java",
				"package p1;\n" +
				"public class SuperBar {\n" +
				"	final public static String B = new String(\"random\");\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public class B{\n" +
				"		public int a;\n" +
				"	}\n" +
				"}\n"
			},
			"p1.Bar.B\n" +
			"p1.Bar.B");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
	// To verify that all static members are imported with a single static import statement
	public void test085() {
		this.runNegativeTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import static p3.Foo.B;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"		System.out.println(B.class.getCanonicalName().toString());\n" +
				"		System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static class B{}\n" +
				"	public static String B = new String(\"random\");\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public static class B{\n" +
				"	}\n" +
				"}\n"
			},
			this.complianceLevel < ClassFileConstants.JDK1_8 ?
					"----------\n" +
					"1. ERROR in Test.java (at line 2)\n" +
					"	import static p3.Foo.B;\n" +
					"	              ^^^^^^^^\n" +
					"The import p3.Foo.B collides with another import statement\n" +
					"----------\n" :
						"----------\n" +
						"1. ERROR in Test.java (at line 7)\n" +
						"	System.out.println(B.class.getCanonicalName().toString());\n" +
						"	                   ^\n" +
						"The type B is ambiguous\n" +
						"----------\n"

				);
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
	// To verify that all static members are imported with a single static import statement,
	// even from a supertype
	public void test085a() {
		this.runNegativeTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import static p3.Foo.B;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"		System.out.println(B.class.getCanonicalName().toString());\n" +
				"		System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar extends SuperBar{\n" +
				"	public static void B(){}\n" +
				"}\n",
				"p1/SuperBar.java",
				"package p1;\n" +
				"public class SuperBar {\n" +
				"	public static class B{}\n" +
				"	final public static String B = new String(\"random\");\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public static class B{\n" +
				"	}\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in Test.java (at line 2)\n" +
			"	import static p3.Foo.B;\n" +
			"	              ^^^^^^^^\n" +
			"The import p3.Foo.B collides with another import statement\n" +
			"----------\n");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
	// To verify that all static members are imported with a single static import statement
	// this tests checks collision with single type import
	public void test085b() {
		this.runNegativeTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import p3.Foo.B;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"		System.out.println(B.class.getCanonicalName().toString());\n" +
				"		System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static class B{}\n" +
				"	public static String B = new String(\"random\");\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public class B{\n" +
				"	}\n" +
				"}\n"
			},
			"----------\n" +
			"1. ERROR in Test.java (at line 2)\n" +
			"	import p3.Foo.B;\n" +
			"	       ^^^^^^^^\n" +
			"The import p3.Foo.B collides with another import statement\n" +
			"----------\n");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
	// To verify that all static members are imported with a single static import statement
	// this tests checks collision with top level type
	public void test085c() {
		this.runNegativeTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"		System.out.println(B.class.getCanonicalName().toString());\n" +
				"		System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
				"	}\n" +
				"}\n" +
				"class B{\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static class B{}\n" +
				"	public static String B = new String(\"random\");\n" +
				"}\n",
			},
			"----------\n" +
			"1. ERROR in Test.java (at line 1)\n" +
			"	import static p1.Bar.B;\n" +
			"	              ^^^^^^^^\n" +
			"The import p1.Bar.B conflicts with a type defined in the same file\n" +
			"----------\n");
	}

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
	// Test obscuring rules defined in JLS 7.5.3
	public void test086() {
		this.runConformTest(
			new String[] {
				"Test.java",
				"import static p1.Bar.B;\n" +
				"import static p3.Foo.*;\n" +
				"public class Test {\n" +
				"	public static void main(String [] args){\n" +
				"		new Test().test2();" +
				"	}\n" +
				"	public void test2(){\n" +
				"       B();\n" + // should be p1.Bar.B() and not p3.Foo.B()
				"		System.out.println(B.toString());\n" + // should be p1.Bar.B
				"	}\n" +
				"}\n",
				"p1/Bar.java",
				"package p1;\n" +
				"public class Bar{\n" +
				"	public static void B(){ System.out.println(\"Bar's method B\");}\n" +
				"	public static String B = new String(\"Bar's field B\");\n" +
				"}\n",
				"p3/Foo.java",
				"package p3;\n" +
				"public class Foo {\n" +
				"	public static void B(){ System.out.println(\"Foo's method B\");}\n" +
				"	public static String B = new String(\"Foo's field B\");\n" +
				"}\n"
			},
			"Bar\'s method B\n" +
			"Bar\'s field B");
	}

	// https://bugs.eclipse.org/401271 - StackOverflowError when searching for a methods references
	public void testBug401271() {
		runNegativeTest(
			new String[] {
				"a/b/c/a.java",
				"package a.b.c;\n" +
				"public class a {}\n",
				"a/b/c/C.java",
				"package a.b.c;\n" +
				"public class C {\n" +
				"	public static final int a = 3;\n" +
				"}\n",
				"x/y/R.java",
				"package x.y;\n" +
				"import static a.b.c.C.a;\n" +
				"//import a.b.c.a;\n" +
				"\n" +
				"public class R { \n" +
				"	a b; \n" +
				"	char h = a; \n" +
				"}"
			},
			"----------\n" +
			"1. ERROR in x\\y\\R.java (at line 6)\n" +
			"	a b; \n" +
			"	^\n" +
			"a cannot be resolved to a type\n" +
			"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=426544 - [1.8][compiler] Compiler over-eagerly detects collision of single static imports
	public void test426544() {
		runNegativeTest(
			new String[] {
				"p/X.java",
				"package p;\n" +
				"public class X {\n" +
				"    public static int f;\n" +
                "    public static class C {}\n" +
				"    public static class I {}\n" +
				"}\n",
				"q/X.java",
				"package q;\n" +
				"public class X {\n" +
				"    public static int f;\n" +
				"    public static class C {}\n" +
				"    public static class I {}\n" +
				"}\n",
				"X.java",
				"import static p.X.f;\n" +
				"import static q.X.f;\n" +
				"import static p.X.C;\n" +
				"import static p.X.I;\n" +
				"import static q.X.C;\n" +
				"import static q.X.I;\n" +
				"public class X { \n" +
				"    { f = 0; }\n" +
				"    { C c = null; }\n" +
				"    { I i = null; }\n" +
				"}\n"
			},
			this.complianceLevel < ClassFileConstants.JDK1_8 ?
					"----------\n" +
					"1. ERROR in X.java (at line 2)\n" +
					"	import static q.X.f;\n" +
					"	              ^^^^^\n" +
					"The import q.X.f collides with another import statement\n" +
					"----------\n" +
					"2. ERROR in X.java (at line 5)\n" +
					"	import static q.X.C;\n" +
					"	              ^^^^^\n" +
					"The import q.X.C collides with another import statement\n" +
					"----------\n" +
					"3. ERROR in X.java (at line 6)\n" +
					"	import static q.X.I;\n" +
					"	              ^^^^^\n" +
					"The import q.X.I collides with another import statement\n" +
					"----------\n" :
						"----------\n" +
						"1. ERROR in X.java (at line 8)\n" +
						"	{ f = 0; }\n" +
						"	  ^\n" +
						"The field f is ambiguous\n" +
						"----------\n" +
						"2. ERROR in X.java (at line 9)\n" +
						"	{ C c = null; }\n" +
						"	  ^\n" +
						"The type C is ambiguous\n" +
						"----------\n" +
						"3. ERROR in X.java (at line 10)\n" +
						"	{ I i = null; }\n" +
						"	  ^\n" +
						"The type I is ambiguous\n" +
						"----------\n");
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=479287
	// erroneous compile error using static imports and generics
	public void testBug479287() {
		this.runConformTest(
			new String[] {
				"joetest/GenericsIssue.java",
				"package joetest;\n" +
				"import static joetest.GenericsIssueCollaborator.takesAnything;\n" +
				"import java.util.Collection;\n" +
				"import java.util.Collections;\n" +
				"public class GenericsIssue {\n" +
				"	private void oddCompileError() {\n" +
				"		takesAnything(returnThings(\"works without wildcard in return value\"));\n" +
				"		GenericsIssueCollaborator.takesAnything(returnThingsWildcard(\"works without static import\"));\n" +
				"		takesAnything(returnThingsWildcard(\"doesn\'t work with static import\"));\n" +
				"	}\n" +
				"	private <T> Collection<T> returnThings(T thing) {\n" +
				"		return Collections.singleton(thing);\n" +
				"	}\n" +
				"		\n" +
				"	private <T> Collection<? extends T> returnThingsWildcard(T toReturn) {\n" +
				"		return Collections.singleton(toReturn);\n" +
				"	}\n" +
				"}",
				"joetest/GenericsIssueCollaborator.java",
				"package joetest;\n" +
				"public class GenericsIssueCollaborator {\n" +
				"	public static <T> void takesAnything(T thing) {\n" +
				"		System.out.println(\"TOOK IT: \" + thing);\n" +
				"	}\n" +
				"}"
			});
	}
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=442580
	// Explicit static import after two wildcard imports is ambiguous (works in javac)
	public void testBug442580() {
		this.runConformTest(new String [] {
				"a/A.java",
				"package a;\n" +
				"\n" +
				"public class A {\n" +
				"	public static void foo() {\n" +
				"		System.out.println(\"A.foo\");\n" +
				"	}\n" +
				"}",
				"b/B.java",
				"package b;\n" +
				"\n" +
				"public class B {\n" +
				"	public static void foo() {\n" +
				"		System.out.println(\"B.foo\");\n" +
				"	}\n" +
				"}",
				"Test.java",
				"import static a.A.*;\n" +
				"import static b.B.*;\n" +
				"import static b.B.foo;\n" +
				"\n" +
				"public class Test {\n" +
				"	public static void main(String[] args) {\n" +
				"		foo();\n" +
				"	}\n" +
				"}"
		});
	}
	public void testBug520874a() {
		if (this.complianceLevel <= ClassFileConstants.JDK1_8) {
			return;
		}
		runNegativeTest(
				new String[] {
						"p/X.java",
						"package p;\n" +
						"import static p.A1.Outer.*;\n" +
						"import static p.A1.AnotherOuter.Inner;\n" +
						"public class X {}\n" +
						"class A1 {\n" +
						"	static class Outer<T extends Inner> {\n" +
						"		private static interface Inner {}\n" +
						"    }\n" +
						"	static class AnotherOuter {\n" +
						"		private static class Inner {}\n" +
						"	}\n" +
						"}\n"
				},
				"----------\n" +
				"1. ERROR in p\\X.java (at line 3)\n" +
				"	import static p.A1.AnotherOuter.Inner;\n" +
				"	              ^^^^^^^^^^^^^^^^^^^^^^^\n" +
				"The type p.A1.AnotherOuter.Inner is not visible\n" +
				"----------\n" +
				"2. ERROR in p\\X.java (at line 6)\n" +
				"	static class Outer<T extends Inner> {\n" +
				"	                             ^^^^^\n" +
				"The type Inner is not visible\n" +
				"----------\n");
	}
	public void testBug520874b() {
		if (this.complianceLevel <= ClassFileConstants.JDK1_8) {
			return;
		}
		runNegativeTest(
				new String[] {
						"p/X.java",
						"package p;\n" +
						"import p.A1.Outer.*;\n" +
						"public class X {}\n" +
						"class A1 {\n" +
						"	static class Outer<T extends Inner> {\n" +
						"		private static interface Inner {}\n" +
						"    }\n" +
						"}\n"
				},
				"----------\n" +
				"1. ERROR in p\\X.java (at line 5)\n" +
				"	static class Outer<T extends Inner> {\n" +
				"	                             ^^^^^\n" +
				"The type Inner is not visible\n" +
				"----------\n");
	}
	public void testBug520874c() {
		if (this.complianceLevel <= ClassFileConstants.JDK1_8) {
			return;
		}
		runNegativeTest(
				new String[] {
						"p/X.java",
						"package p;\n" +
						"import static p.A1.Outer.Inner;\n" +
						"import static p.A1.AnotherOuter.Inner;\n" +
						"public class X {}\n" +
						"class A1 {\n" +
						"	static class Outer<T extends Inner> {\n" +
						"		private static interface Inner {}\n" +
						"    }\n" +
						"	static class AnotherOuter<T extends Inner> {\n" +
						"		private static class Inner {}\n" +
						"	}\n" +
						"}\n"
				},
				"----------\n" +
				"1. ERROR in p\\X.java (at line 2)\n" +
				"	import static p.A1.Outer.Inner;\n" +
				"	              ^^^^^^^^^^^^^^^^\n" +
				"The type p.A1.Outer.Inner is not visible\n" +
				"----------\n" +
				"2. ERROR in p\\X.java (at line 3)\n" +
				"	import static p.A1.AnotherOuter.Inner;\n" +
				"	              ^^^^^^^^^^^^^^^^^^^^^^^\n" +
				"The type p.A1.AnotherOuter.Inner is not visible\n" +
				"----------\n" +
				"3. ERROR in p\\X.java (at line 6)\n" +
				"	static class Outer<T extends Inner> {\n" +
				"	                             ^^^^^\n" +
				"Inner cannot be resolved to a type\n" +
				"----------\n" +
				"4. ERROR in p\\X.java (at line 9)\n" +
				"	static class AnotherOuter<T extends Inner> {\n" +
				"	                                    ^^^^^\n" +
				"Inner cannot be resolved to a type\n" +
				"----------\n");
	}
	public void testBug520874d() {
		if (this.complianceLevel <= ClassFileConstants.JDK1_8) {
			return;
		}
		runNegativeTest(
				new String[] {
						"p/X.java",
						"package p;\n" +
						"import static p.A.B.Inner;\n" +
						"import p.Bar.Inner;\n" +
						"public class X {}\n" +
						"class A {\n" +
						"    static class B extends Bar {}\n" +
						"}\n",
						"p/Bar.java",
						"package p;\n" +
						"public class Bar {;\n" +
						"	public static class Inner {}\n" +
						"}\n"
				},
				"----------\n" +
				"1. WARNING in p\\X.java (at line 2)\n" +
				"	import static p.A.B.Inner;\n" +
				"	              ^^^^^^^^^^^\n" +
				"The import p.A.B.Inner is never used\n" +
				"----------\n" +
				"2. WARNING in p\\X.java (at line 3)\n" +
				"	import p.Bar.Inner;\n" +
				"	       ^^^^^^^^^^^\n" +
				"The import p.Bar.Inner is never used\n" +
				"----------\n");
	}
	public void testBug520874e() {
		if (this.complianceLevel <= ClassFileConstants.JDK1_8) {
			return;
		}
		runNegativeTest(
				new String[] {
						"p/X.java",
						"package p;\n" +
						"import static p.A.B.Inner;\n" +
						"import p.Bar.*;\n" +
						"public class X {}\n" +
						"class A {\n" +
						"    static class B extends Bar {}\n" +
						"}\n",
						"p/Bar.java",
						"package p;\n" +
						"public class Bar {;\n" +
						"	public static class Inner {}\n" +
						"}\n"
				},
				"----------\n" +
				"1. WARNING in p\\X.java (at line 2)\n" +
				"	import static p.A.B.Inner;\n" +
				"	              ^^^^^^^^^^^\n" +
				"The import p.A.B.Inner is never used\n" +
				"----------\n" +
				"2. WARNING in p\\X.java (at line 3)\n" +
				"	import p.Bar.*;\n" +
				"	       ^^^^^\n" +
				"The import p.Bar is never used\n" +
				"----------\n");
	}
}