Mon, 03 May 2010 17:12:59 -0700
6943289: Project Coin: Improved Exception Handling for Java (aka 'multicatch')
Reviewed-by: jjg, darcy
jjg@309 | 1 | /* |
jjg@309 | 2 | * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved. |
jjg@309 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@309 | 4 | * |
jjg@309 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@309 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@309 | 7 | * published by the Free Software Foundation. |
jjg@309 | 8 | * |
jjg@309 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@309 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@309 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@309 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@309 | 13 | * accompanied this code). |
jjg@309 | 14 | * |
jjg@309 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@309 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@309 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@309 | 18 | * |
jjg@309 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
jjg@309 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
jjg@309 | 21 | * have any questions. |
jjg@309 | 22 | */ |
jjg@309 | 23 | |
jjg@309 | 24 | import java.io.*; |
jjg@309 | 25 | import com.sun.tools.classfile.*; |
jjg@309 | 26 | |
jjg@309 | 27 | /* |
jjg@309 | 28 | * @test JSR175Annotations |
jjg@309 | 29 | * @bug 6843077 |
jjg@309 | 30 | * @summary test that only type annotations are recorded as such in classfile |
jjg@309 | 31 | */ |
jjg@309 | 32 | |
jjg@309 | 33 | public class JSR175Annotations { |
jjg@309 | 34 | public static void main(String[] args) throws Exception { |
jjg@309 | 35 | new JSR175Annotations().run(); |
jjg@309 | 36 | } |
jjg@309 | 37 | |
jjg@309 | 38 | public void run() throws Exception { |
jjg@309 | 39 | File javaFile = writeTestFile(); |
jjg@309 | 40 | File classFile = compileTestFile(javaFile); |
jjg@309 | 41 | |
jjg@309 | 42 | ClassFile cf = ClassFile.read(classFile); |
jjg@309 | 43 | for (Field f : cf.fields) { |
jjg@309 | 44 | test(cf, f); |
jjg@309 | 45 | } |
jjg@309 | 46 | for (Method m: cf.methods) { |
jjg@309 | 47 | test(cf, m); |
jjg@309 | 48 | } |
jjg@309 | 49 | |
jjg@309 | 50 | countAnnotations(); |
jjg@309 | 51 | |
jjg@309 | 52 | if (errors > 0) |
jjg@309 | 53 | throw new Exception(errors + " errors found"); |
jjg@309 | 54 | System.out.println("PASSED"); |
jjg@309 | 55 | } |
jjg@309 | 56 | |
jjg@309 | 57 | void test(ClassFile cf, Method m) { |
jjg@309 | 58 | test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); |
jjg@309 | 59 | test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); |
jjg@309 | 60 | } |
jjg@309 | 61 | |
jjg@309 | 62 | void test(ClassFile cf, Field m) { |
jjg@309 | 63 | test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); |
jjg@309 | 64 | test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); |
jjg@309 | 65 | } |
jjg@309 | 66 | |
jjg@309 | 67 | // test the result of Attributes.getIndex according to expectations |
jjg@309 | 68 | // encoded in the method's name |
jjg@309 | 69 | void test(ClassFile cf, Method m, String name, boolean visible) { |
jjg@309 | 70 | int index = m.attributes.getIndex(cf.constant_pool, name); |
jjg@309 | 71 | if (index != -1) { |
jjg@309 | 72 | Attribute attr = m.attributes.get(index); |
jjg@309 | 73 | assert attr instanceof RuntimeTypeAnnotations_attribute; |
jjg@309 | 74 | RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; |
jjg@309 | 75 | all += tAttr.annotations.length; |
jjg@309 | 76 | if (visible) |
jjg@309 | 77 | visibles += tAttr.annotations.length; |
jjg@309 | 78 | else |
jjg@309 | 79 | invisibles += tAttr.annotations.length; |
jjg@309 | 80 | } |
jjg@309 | 81 | } |
jjg@309 | 82 | |
jjg@309 | 83 | // test the result of Attributes.getIndex according to expectations |
jjg@309 | 84 | // encoded in the method's name |
jjg@309 | 85 | void test(ClassFile cf, Field m, String name, boolean visible) { |
jjg@309 | 86 | int index = m.attributes.getIndex(cf.constant_pool, name); |
jjg@309 | 87 | if (index != -1) { |
jjg@309 | 88 | Attribute attr = m.attributes.get(index); |
jjg@309 | 89 | assert attr instanceof RuntimeTypeAnnotations_attribute; |
jjg@309 | 90 | RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; |
jjg@309 | 91 | all += tAttr.annotations.length; |
jjg@309 | 92 | if (visible) |
jjg@309 | 93 | visibles += tAttr.annotations.length; |
jjg@309 | 94 | else |
jjg@309 | 95 | invisibles += tAttr.annotations.length; |
jjg@309 | 96 | } |
jjg@309 | 97 | } |
jjg@309 | 98 | |
jjg@309 | 99 | File writeTestFile() throws IOException { |
jjg@309 | 100 | File f = new File("Test.java"); |
jjg@309 | 101 | PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
jjg@309 | 102 | out.println("import java.lang.annotation.Retention;"); |
jjg@309 | 103 | out.println("import java.lang.annotation.RetentionPolicy;"); |
jjg@309 | 104 | out.println("abstract class Test { "); |
jjg@309 | 105 | out.println(" @Retention(RetentionPolicy.RUNTIME)"); |
jjg@309 | 106 | out.println(" @interface A { }"); |
jjg@309 | 107 | out.println(" @A String m;"); |
jjg@309 | 108 | out.println(" @A String method(@A String a) {"); |
jjg@309 | 109 | out.println(" return a;"); |
jjg@309 | 110 | out.println(" }"); |
jjg@309 | 111 | out.println("}"); |
jjg@309 | 112 | out.close(); |
jjg@309 | 113 | return f; |
jjg@309 | 114 | } |
jjg@309 | 115 | |
jjg@309 | 116 | File compileTestFile(File f) { |
jjg@309 | 117 | int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.7", "-g", f.getPath() }); |
jjg@309 | 118 | if (rc != 0) |
jjg@309 | 119 | throw new Error("compilation failed. rc=" + rc); |
jjg@309 | 120 | String path = f.getPath(); |
jjg@309 | 121 | return new File(path.substring(0, path.length() - 5) + ".class"); |
jjg@309 | 122 | } |
jjg@309 | 123 | |
jjg@309 | 124 | void countAnnotations() { |
jjg@309 | 125 | int expected_visibles = 0, expected_invisibles = 0; |
jjg@309 | 126 | int expected_all = expected_visibles + expected_invisibles; |
jjg@309 | 127 | |
jjg@309 | 128 | if (expected_all != all) { |
jjg@309 | 129 | errors++; |
jjg@309 | 130 | System.err.println("expected " + expected_all |
jjg@309 | 131 | + " annotations but found " + all); |
jjg@309 | 132 | } |
jjg@309 | 133 | |
jjg@309 | 134 | if (expected_visibles != visibles) { |
jjg@309 | 135 | errors++; |
jjg@309 | 136 | System.err.println("expected " + expected_visibles |
jjg@309 | 137 | + " visibles annotations but found " + visibles); |
jjg@309 | 138 | } |
jjg@309 | 139 | |
jjg@309 | 140 | if (expected_invisibles != invisibles) { |
jjg@309 | 141 | errors++; |
jjg@309 | 142 | System.err.println("expected " + expected_invisibles |
jjg@309 | 143 | + " invisibles annotations but found " + invisibles); |
jjg@309 | 144 | } |
jjg@309 | 145 | |
jjg@309 | 146 | } |
jjg@309 | 147 | |
jjg@309 | 148 | int errors; |
jjg@309 | 149 | int all; |
jjg@309 | 150 | int visibles; |
jjg@309 | 151 | int invisibles; |
jjg@309 | 152 | } |