Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/scope/7017664/ImplementationCacheTest.java
test/tools/javac/scope/7017664/ImplementationCacheTest.java
- changeset 877
- 351027202f60
- parent 0
- 959103a6100f
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| 876:ef6c66215a93 | 877:351027202f60 |
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| 1 /* | |
| 2 * Copyright (c) 2011, 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 7017664 | |
| 27 * @summary Basher for CompoundScopes | |
| 28 */ | |
| 29 | |
| 30 import com.sun.source.util.JavacTask; | |
| 31 import com.sun.tools.javac.code.Symbol; | |
| 32 import com.sun.tools.javac.code.Types; | |
| 33 import com.sun.tools.javac.file.JavacFileManager; | |
| 34 import com.sun.tools.javac.util.Context; | |
| 35 | |
| 36 import com.sun.tools.javac.code.Symbol.*; | |
| 37 | |
| 38 import java.io.IOException; | |
| 39 import java.net.URI; | |
| 40 import java.util.Arrays; | |
| 41 import java.util.List; | |
| 42 import javax.lang.model.element.Element; | |
| 43 import javax.tools.JavaCompiler; | |
| 44 import javax.tools.JavaFileObject; | |
| 45 import javax.tools.SimpleJavaFileObject; | |
| 46 import javax.tools.ToolProvider; | |
| 47 | |
| 48 import static javax.tools.JavaFileObject.Kind; | |
| 49 | |
| 50 public class ImplementationCacheTest { | |
| 51 | |
| 52 static class SourceFile extends SimpleJavaFileObject { | |
| 53 | |
| 54 final String source = "interface I { void m(); }\n" + | |
| 55 "class A implements I { public void m() {} }\n" + | |
| 56 "class B extends A { }\n"; | |
| 57 | |
| 58 public SourceFile() { | |
| 59 super(URI.create("test.java"), Kind.SOURCE); | |
| 60 } | |
| 61 | |
| 62 public CharSequence getCharContent(boolean ignoreEncodingErrors) { | |
| 63 return source; | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 public static void main(String[] args) throws IOException { | |
| 68 List<? extends JavaFileObject> files = Arrays.asList(new SourceFile()); | |
| 69 JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); | |
| 70 JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files); | |
| 71 Context ctx = new Context(); | |
| 72 JavacFileManager.preRegister(ctx); | |
| 73 checkImplementationCache(ct.analyze(), Types.instance(ctx)); | |
| 74 } | |
| 75 | |
| 76 static void checkImplementationCache(Iterable<? extends Element> elements, Types types) { | |
| 77 if (types == null) { | |
| 78 throw new AssertionError("problems initializing Types"); | |
| 79 } | |
| 80 | |
| 81 Symbol a = null; | |
| 82 Symbol b = null; | |
| 83 Symbol i = null; | |
| 84 | |
| 85 for (Element e : elements) { | |
| 86 if (e.getSimpleName().contentEquals("A")) { | |
| 87 a = (Symbol)e; | |
| 88 } else if (e.getSimpleName().contentEquals("B")) { | |
| 89 b = (Symbol)e; | |
| 90 } else if (e.getSimpleName().contentEquals("I")) { | |
| 91 i = (Symbol)e; | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 if (a == null || b == null || i == null) { | |
| 96 throw new AssertionError("missing class"); | |
| 97 } | |
| 98 | |
| 99 MethodSymbol I_m = null; | |
| 100 | |
| 101 for (Symbol sym : i.members().getElements()) { | |
| 102 if (sym.name.contentEquals("m")) { | |
| 103 I_m = (MethodSymbol)sym; | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 if (I_m == null) { | |
| 108 throw new AssertionError("missing method m() in scope of interface I"); | |
| 109 } | |
| 110 | |
| 111 Symbol impl = I_m.implementation((TypeSymbol)b, types, true); | |
| 112 | |
| 113 if (impl == null || impl.owner != a) { | |
| 114 throw new AssertionError("wrong implementation for m() in B"); | |
| 115 } | |
| 116 | |
| 117 b.members().enter(I_m.clone(b)); | |
| 118 | |
| 119 Symbol newImpl = I_m.implementation((TypeSymbol)b, types, true); | |
| 120 | |
| 121 if (newImpl == impl) { | |
| 122 throw new AssertionError("stale implementation for m() in B"); | |
| 123 } | |
| 124 | |
| 125 if (newImpl == null || newImpl.owner != b) { | |
| 126 throw new AssertionError("wrong implementation for m() in B"); | |
| 127 } | |
| 128 } | |
| 129 } |
