1 /* 2 * Copyright (c) 2013, 2015, 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 8009227 27 * @summary Certain diagnostics should not be deferred 28 * @modules jdk.compiler 29 */ 30 31 import com.sun.source.util.JavacTask; 32 import java.io.BufferedWriter; 33 import java.io.File; 34 import java.io.FileWriter; 35 import java.io.IOException; 36 import java.util.Arrays; 37 import javax.tools.Diagnostic; 38 import javax.tools.JavaCompiler; 39 import javax.tools.JavaFileObject; 40 import javax.tools.SimpleJavaFileObject; 41 import javax.tools.ToolProvider; 42 43 public class CompletionFailure { 44 main(String... args)45 public static void main(String... args) throws Exception { 46 47 String SCRATCH_DIR = System.getProperty("user.dir"); 48 JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler(); 49 File scratchDir = new File(SCRATCH_DIR); 50 51 sourceA.dumpTo(scratchDir); 52 sourceB.dumpTo(scratchDir); 53 54 JavacTask ct = (JavacTask)javacTool.getTask(null, null, null, 55 null, null, Arrays.asList(sourceA.asJFO(scratchDir), sourceB.asJFO(scratchDir))); 56 57 ct.generate(); 58 59 remove(scratchDir, "A.java"); 60 remove(scratchDir, "B.java"); 61 remove(scratchDir, "A.class"); 62 63 sourceC.dumpTo(scratchDir); 64 sourceD.dumpTo(scratchDir); 65 66 DiagnosticChecker diagChecker = new DiagnosticChecker(); 67 ct = (JavacTask)javacTool.getTask(null, null, diagChecker, 68 Arrays.asList("-XDrawDiagnostics", "-cp", scratchDir.getAbsolutePath()), 69 null, Arrays.asList(sourceC.asJFO(scratchDir), sourceD.asJFO(scratchDir))); 70 try { 71 ct.analyze(); 72 } catch (Throwable ex) { 73 //ignore abort exception thrown by javac 74 } 75 76 if (!diagChecker.errorFound) { 77 throw new AssertionError("Missing diagnostic"); 78 } 79 } 80 remove(File dir, String fileName)81 static void remove(File dir, String fileName) { 82 File fileToRemove = new File(dir, fileName); 83 fileToRemove.delete(); 84 } 85 86 static class JavaSource { 87 String contents; 88 String filename; 89 JavaSource(String filename, String contents)90 public JavaSource(String filename, String contents) { 91 this.filename = filename; 92 this.contents = contents; 93 } 94 dumpTo(java.io.File loc)95 void dumpTo(java.io.File loc) throws Exception { 96 File file = new File(loc, filename); 97 BufferedWriter bw = new java.io.BufferedWriter(new FileWriter(file)); 98 bw.append(contents); 99 bw.close(); 100 } 101 asJFO(java.io.File dir)102 SimpleJavaFileObject asJFO(java.io.File dir) { 103 return new SimpleJavaFileObject(new File(dir, filename).toURI(), JavaFileObject.Kind.SOURCE) { 104 @Override 105 public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException { 106 return contents; 107 } 108 }; 109 } 110 } 111 112 static JavaSource sourceA = new JavaSource("A.java", "public interface A { }\n"); 113 114 static JavaSource sourceB = new JavaSource("B.java", "public class B implements A {\n" + 115 " public static Object n() { return null; }\n" + 116 "}\n"); 117 118 static JavaSource sourceC = new JavaSource("C.java", "public class C {\n" + 119 " void test(B b) {\n" + 120 " D.m(B.n());\n" + 121 "} }\n"); 122 123 static JavaSource sourceD = new JavaSource("D.java", "public class D {\n" + 124 " static void m(Object o) { }\n" + 125 "}\n"); 126 127 static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> { 128 129 boolean errorFound; 130 131 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { 132 if (diagnostic.getKind() == Diagnostic.Kind.ERROR && 133 diagnostic.getCode().contains("compiler.err.cant.access")) { 134 errorFound = true; 135 } 136 } 137 } 138 } 139