Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/generics/diamond/6996914/T6996914a.java
test/tools/javac/generics/diamond/6996914/T6996914a.java
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| 1 /* | |
| 2 * Copyright (c) 2010, 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 6996914 7020044 | |
| 27 * @summary Diamond inference: problem when accessing protected constructor | |
| 28 * @run main T6996914a | |
| 29 */ | |
| 30 | |
| 31 import com.sun.source.util.JavacTask; | |
| 32 import java.net.URI; | |
| 33 import java.util.Arrays; | |
| 34 import javax.tools.Diagnostic; | |
| 35 import javax.tools.DiagnosticListener; | |
| 36 import javax.tools.JavaCompiler; | |
| 37 import javax.tools.JavaFileObject; | |
| 38 import javax.tools.SimpleJavaFileObject; | |
| 39 import javax.tools.ToolProvider; | |
| 40 | |
| 41 public class T6996914a { | |
| 42 | |
| 43 enum PackageKind { | |
| 44 DEFAULT("", ""), | |
| 45 A("package a;", "import a.*;"); | |
| 46 | |
| 47 String pkgDecl; | |
| 48 String importDecl; | |
| 49 | |
| 50 PackageKind(String pkgDecl, String importDecl) { | |
| 51 this.pkgDecl = pkgDecl; | |
| 52 this.importDecl = importDecl; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 enum ConstructorKind { | |
| 57 PACKAGE(""), | |
| 58 PROTECTED("protected"), | |
| 59 PRIVATE("private"), | |
| 60 PUBLIC("public"); | |
| 61 | |
| 62 String mod; | |
| 63 | |
| 64 ConstructorKind(String mod) { | |
| 65 this.mod = mod; | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 static class FooClass extends SimpleJavaFileObject { | |
| 70 | |
| 71 final static String sourceStub = | |
| 72 "#P\n" + | |
| 73 "public class Foo<X> {\n" + | |
| 74 " #M Foo() {}\n" + | |
| 75 "}\n"; | |
| 76 | |
| 77 String source; | |
| 78 | |
| 79 public FooClass(PackageKind pk, ConstructorKind ck) { | |
| 80 super(URI.create("myfo:/" + (pk != PackageKind.DEFAULT ? "a/Foo.java" : "Foo.java")), | |
| 81 JavaFileObject.Kind.SOURCE); | |
| 82 source = sourceStub.replace("#P", pk.pkgDecl).replace("#M", ck.mod); | |
| 83 } | |
| 84 | |
| 85 @Override | |
| 86 public CharSequence getCharContent(boolean ignoreEncodingErrors) { | |
| 87 return source; | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 static class ClientClass extends SimpleJavaFileObject { | |
| 92 | |
| 93 final static String sourceStub = | |
| 94 "#I\n" + | |
| 95 "class Test {\n" + | |
| 96 " Foo<String> fs = new Foo<>();\n" + | |
| 97 "}\n"; | |
| 98 | |
| 99 String source; | |
| 100 | |
| 101 public ClientClass(PackageKind pk) { | |
| 102 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); | |
| 103 source = sourceStub.replace("#I", pk.importDecl); | |
| 104 } | |
| 105 | |
| 106 @Override | |
| 107 public CharSequence getCharContent(boolean ignoreEncodingErrors) { | |
| 108 return source; | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 public static void main(String... args) throws Exception { | |
| 113 for (PackageKind pk : PackageKind.values()) { | |
| 114 for (ConstructorKind ck : ConstructorKind.values()) { | |
| 115 compileAndCheck(pk, ck); | |
| 116 } | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 static void compileAndCheck(PackageKind pk, ConstructorKind ck) throws Exception { | |
| 121 FooClass foo = new FooClass(pk, ck); | |
| 122 ClientClass client = new ClientClass(pk); | |
| 123 final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); | |
| 124 ErrorListener el = new ErrorListener(); | |
| 125 JavacTask ct = (JavacTask)tool.getTask(null, null, el, | |
| 126 null, null, Arrays.asList(foo, client)); | |
| 127 ct.analyze(); | |
| 128 if (el.errors > 0 == check(pk, ck)) { | |
| 129 String msg = el.errors > 0 ? | |
| 130 "Error compiling files" : | |
| 131 "No error when compiling files"; | |
| 132 throw new AssertionError(msg + ": \n" + foo.source + "\n" + client.source); | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 static boolean check(PackageKind pk, ConstructorKind ck) { | |
| 137 switch (pk) { | |
| 138 case A: return ck == ConstructorKind.PUBLIC; | |
| 139 case DEFAULT: return ck != ConstructorKind.PRIVATE; | |
| 140 default: throw new AssertionError("Unknown package kind"); | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 /** | |
| 145 * DiagnosticListener to count any errors that occur | |
| 146 */ | |
| 147 private static class ErrorListener implements DiagnosticListener<JavaFileObject> { | |
| 148 | |
| 149 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { | |
| 150 switch (diagnostic.getKind()) { | |
| 151 case ERROR: | |
| 152 errors++; | |
| 153 } | |
| 154 } | |
| 155 int errors; | |
| 156 } | |
| 157 } |
