1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8038994 27 * @summary Test that getAnnotatedBounds().getType() match getBounds() 28 * @run testng TypeVariableBounds 29 */ 30 31 import java.io.Serializable; 32 import java.lang.annotation.*; 33 import java.lang.reflect.*; 34 import java.util.concurrent.Callable; 35 import java.util.Arrays; 36 import java.util.List; 37 import java.util.Set; 38 import org.testng.annotations.DataProvider; 39 import org.testng.annotations.Test; 40 41 import static org.testng.Assert.*; 42 43 public class TypeVariableBounds { 44 @Test(dataProvider = "classData") testClass(Class<?> c)45 public void testClass(Class<?> c) throws Exception { 46 assertNotEquals(c.getTypeParameters().length, 0); 47 48 TypeVariable[] tv = c.getTypeParameters(); 49 50 for(TypeVariable t : tv) 51 testTv(t); 52 53 } 54 55 @Test(dataProvider = "methodData") testMethod(Class<?>c)56 public void testMethod(Class<?>c) throws Exception { 57 Method m = c.getMethod("aMethod"); 58 TypeVariable[] tv = m.getTypeParameters(); 59 60 for(TypeVariable t : tv) 61 testTv(t); 62 63 } 64 testTv(TypeVariable<?> tv)65 public void testTv(TypeVariable<?> tv) { 66 Type[] t = tv.getBounds(); 67 AnnotatedType[] at = tv.getAnnotatedBounds(); 68 69 assertEquals(t.length, at.length, Arrays.asList(t) + " and " + Arrays.asList(at) + " should be the same length"); 70 71 for (int i = 0; i < t.length; i++) 72 assertSame(at[i].getType(), t[i], "T: " + t[i] + ", AT: " + at[i] + ", AT.getType(): " + at[i].getType() + "\n"); 73 } 74 75 @DataProvider classData()76 public Object[][] classData() { return CLASS_TESTS; } 77 78 @DataProvider methodData()79 public Object[][] methodData() { return METHOD_TESTS; } 80 81 public static final Object[][] CLASS_TESTS = { 82 { Case1.class, }, 83 { Case2.class, }, 84 { Case5.class, }, 85 { Case6.class, }, 86 }; 87 88 public static final Object[][] METHOD_TESTS = { 89 { Case3.class, }, 90 { Case4.class, }, 91 { Case5.class, }, 92 { Case6.class, }, 93 }; 94 95 // Class type var 96 public static class Case1<C1T1, C1T2 extends AnnotatedElement, C1T3 extends AnnotatedElement & Type & Serializable> {} 97 public static class Case2<C2T0, @TA C2T1 extends Type, C2T2 extends @TB AnnotatedElement, C2T3 extends AnnotatedElement & @TB Type & Serializable> {} 98 99 // Method type var aMethod()100 public static class Case3 { public <C3T1, C3T2 extends AnnotatedElement, C3T3 extends AnnotatedElement & Type & Serializable> void aMethod() {}} aMethod()101 public static class Case4 { public <C4T0, @TA C4T1 extends List, C4T2 extends @TB Set, C4T3 extends Set & @TB Callable & Serializable> void aMethod() {}} 102 103 // Both 104 public static class Case5 <C5CT1, C5CT2 extends Runnable> { 105 public <C5MT1, 106 C5MT2 extends AnnotatedElement, 107 C5MT3 extends AnnotatedElement & Type & Serializable, 108 C5MT4 extends C5CT2> aMethod()109 void aMethod() {}} 110 111 public static class Case6 <@TA C6CT1, C6CT2 extends @TB Runnable> { 112 public <@TA C6MT1, 113 C6MT2 extends @TB AnnotatedElement, 114 C6MT3 extends @TB AnnotatedElement & @TB2 Type & Serializable, 115 C6MT4 extends @TB2 C6CT2> aMethod()116 void aMethod() {}} 117 118 @Retention(RetentionPolicy.RUNTIME) 119 @Target(ElementType.TYPE_PARAMETER) 120 public @interface TA {} 121 122 @Retention(RetentionPolicy.RUNTIME) 123 @Target(ElementType.TYPE_USE) 124 public @interface TB {} 125 126 @Retention(RetentionPolicy.RUNTIME) 127 @Target(ElementType.TYPE_USE) 128 public @interface TB2 {} 129 } 130