Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/typeAnnotations/Wildcards.java
test/tools/javap/typeAnnotations/Wildcards.java
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| 1 /* | |
| 2 * Copyright (c) 2009, 2013, 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 import java.io.*; | |
| 25 import com.sun.tools.classfile.*; | |
| 26 | |
| 27 /* | |
| 28 * @test Wildcards | |
| 29 * @bug 6843077 | |
| 30 * @summary test that annotations target wildcards get emitted to classfile | |
| 31 */ | |
| 32 public class Wildcards { | |
| 33 public static void main(String[] args) throws Exception { | |
| 34 new Wildcards().run(); | |
| 35 } | |
| 36 | |
| 37 public void run() throws Exception { | |
| 38 File javaFile = writeTestFile(); | |
| 39 File classFile = compileTestFile(javaFile); | |
| 40 | |
| 41 ClassFile cf = ClassFile.read(classFile); | |
| 42 test(cf); | |
| 43 for (Field f : cf.fields) { | |
| 44 test(cf, f); | |
| 45 } | |
| 46 for (Method m: cf.methods) { | |
| 47 test(cf, m); | |
| 48 } | |
| 49 | |
| 50 countAnnotations(); | |
| 51 | |
| 52 if (errors > 0) | |
| 53 throw new Exception(errors + " errors found"); | |
| 54 System.out.println("PASSED"); | |
| 55 } | |
| 56 | |
| 57 void test(ClassFile cf) { | |
| 58 test(cf, Attribute.RuntimeVisibleTypeAnnotations, true); | |
| 59 test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false); | |
| 60 } | |
| 61 | |
| 62 void test(ClassFile cf, Method m) { | |
| 63 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); | |
| 64 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); | |
| 65 } | |
| 66 | |
| 67 void test(ClassFile cf, Field m) { | |
| 68 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); | |
| 69 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); | |
| 70 } | |
| 71 | |
| 72 // test the result of Attributes.getIndex according to expectations | |
| 73 // encoded in the method's name | |
| 74 void test(ClassFile cf, String name, boolean visible) { | |
| 75 int index = cf.attributes.getIndex(cf.constant_pool, name); | |
| 76 if (index != -1) { | |
| 77 Attribute attr = cf.attributes.get(index); | |
| 78 assert attr instanceof RuntimeTypeAnnotations_attribute; | |
| 79 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; | |
| 80 all += tAttr.annotations.length; | |
| 81 if (visible) | |
| 82 visibles += tAttr.annotations.length; | |
| 83 else | |
| 84 invisibles += tAttr.annotations.length; | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 // test the result of Attributes.getIndex according to expectations | |
| 89 // encoded in the method's name | |
| 90 void test(ClassFile cf, Method m, String name, boolean visible) { | |
| 91 int index = m.attributes.getIndex(cf.constant_pool, name); | |
| 92 if (index != -1) { | |
| 93 Attribute attr = m.attributes.get(index); | |
| 94 assert attr instanceof RuntimeTypeAnnotations_attribute; | |
| 95 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; | |
| 96 all += tAttr.annotations.length; | |
| 97 if (visible) | |
| 98 visibles += tAttr.annotations.length; | |
| 99 else | |
| 100 invisibles += tAttr.annotations.length; | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 // test the result of Attributes.getIndex according to expectations | |
| 105 // encoded in the method's name | |
| 106 void test(ClassFile cf, Field m, String name, boolean visible) { | |
| 107 int index = m.attributes.getIndex(cf.constant_pool, name); | |
| 108 if (index != -1) { | |
| 109 Attribute attr = m.attributes.get(index); | |
| 110 assert attr instanceof RuntimeTypeAnnotations_attribute; | |
| 111 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; | |
| 112 all += tAttr.annotations.length; | |
| 113 if (visible) | |
| 114 visibles += tAttr.annotations.length; | |
| 115 else | |
| 116 invisibles += tAttr.annotations.length; | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 File writeTestFile() throws IOException { | |
| 121 File f = new File("Test.java"); | |
| 122 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); | |
| 123 out.println("import java.lang.annotation.*;"); | |
| 124 out.println("import java.util.*;"); | |
| 125 out.println("class Test { "); | |
| 126 out.println(" @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})"); | |
| 127 out.println(" @interface A { }"); | |
| 128 | |
| 129 out.println(" List<? extends @A Number> f;"); | |
| 130 | |
| 131 out.println(" List<? extends @A Object> test(List<? extends @A Number> p) {"); | |
| 132 out.println(" List<? extends @A Object> l;"); // not counted... gets optimized away | |
| 133 out.println(" return null;"); | |
| 134 out.println(" }"); | |
| 135 out.println("}"); | |
| 136 | |
| 137 out.close(); | |
| 138 return f; | |
| 139 } | |
| 140 | |
| 141 File compileTestFile(File f) { | |
| 142 int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.8", "-g", f.getPath() }); | |
| 143 if (rc != 0) | |
| 144 throw new Error("compilation failed. rc=" + rc); | |
| 145 String path = f.getPath(); | |
| 146 return new File(path.substring(0, path.length() - 5) + ".class"); | |
| 147 } | |
| 148 | |
| 149 void countAnnotations() { | |
| 150 int expected_visibles = 0, expected_invisibles = 3; | |
| 151 int expected_all = expected_visibles + expected_invisibles; | |
| 152 | |
| 153 if (expected_all != all) { | |
| 154 errors++; | |
| 155 System.err.println("expected " + expected_all | |
| 156 + " annotations but found " + all); | |
| 157 } | |
| 158 | |
| 159 if (expected_visibles != visibles) { | |
| 160 errors++; | |
| 161 System.err.println("expected " + expected_visibles | |
| 162 + " visibles annotations but found " + visibles); | |
| 163 } | |
| 164 | |
| 165 if (expected_invisibles != invisibles) { | |
| 166 errors++; | |
| 167 System.err.println("expected " + expected_invisibles | |
| 168 + " invisibles annotations but found " + invisibles); | |
| 169 } | |
| 170 | |
| 171 } | |
| 172 | |
| 173 int errors; | |
| 174 int all; | |
| 175 int visibles; | |
| 176 int invisibles; | |
| 177 } |
