1 /* 2 * Copyright 2004-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @bug 5033583 6316717 6470106 27 * @summary Check toGenericString() and toString() methods 28 * @author Joseph D. Darcy 29 * @compile -source 1.5 GenericStringTest.java 30 * @run main GenericStringTest 31 */ 32 33 import java.lang.reflect.*; 34 import java.lang.annotation.*; 35 import java.util.*; 36 37 public class GenericStringTest { 38 public static void main(String argv[]) throws Exception { 39 int failures = 0; 40 List<Class<?>> classList = new LinkedList<Class<?>>(); 41 classList.add(TestClass1.class); 42 classList.add(TestClass2.class); 43 classList.add(Roebling.class); 44 45 46 for(Class<?> clazz: classList) 47 for(Method method: clazz.getDeclaredMethods()) { 48 ExpectedGenericString egs = method.getAnnotation(ExpectedGenericString.class); 49 if (egs != null) { 50 String actual = method.toGenericString(); 51 System.out.println(actual); 52 if (! egs.value().equals(actual)) { 53 failures++; 54 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n", 55 egs.value(), actual); 56 } 57 } 58 59 if (method.isAnnotationPresent(ExpectedString.class)) { 60 ExpectedString es = method.getAnnotation(ExpectedString.class); 61 String actual = method.toString(); 62 if (! es.value().equals(actual)) { 63 failures++; 64 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n", 65 es.value(), actual); 66 } 67 } 68 69 } 70 71 // Bridge Test; no "volatile" methods 72 for(Method method: Roebling.class.getDeclaredMethods()) { 73 String s1 = method.toGenericString(); 74 String s2 = method.toString(); 75 System.out.println("Generic: " + s1); 76 System.out.println("Regular: " + s2); 77 if (s1.indexOf("volatile") != -1 || 78 s2.indexOf("volatile") != -1) { 79 failures++; 80 System.err.println("ERROR: Bad string; unexpected ``volatile''"); 81 } 82 } 83 84 if (failures > 0) { 85 System.err.println("Test failed."); 86 throw new RuntimeException(); 87 } 88 } 89 } 90 91 class TestClass1 { 92 @ExpectedGenericString( 93 "void TestClass1.method1(int,double)") 94 void method1(int x, double y) {} 95 96 @ExpectedGenericString( 97 "private static java.lang.String TestClass1.method2(int,int)") 98 private static String method2(int x, int param2) {return null;} 99 100 @ExpectedGenericString( 101 "static void TestClass1.method3() throws java.lang.RuntimeException") 102 static void method3() throws RuntimeException {return;} 103 104 @ExpectedGenericString( 105 "protected <S,T> S TestClass1.method4(S,T) throws java.lang.Exception") 106 protected <S, T> S method4(S s, T t) throws Exception {return null;} 107 } 108 109 class TestClass2<E, F extends Exception> { 110 @ExpectedGenericString( 111 "public <T> T TestClass2.method1(E,T)") 112 public <T> T method1(E e, T t) {return null;} 113 114 @ExpectedGenericString( 115 "public void TestClass2.method2() throws F") 116 public void method2() throws F {return;} 117 } 118 119 class Roebling implements Comparable<Roebling> { 120 @ExpectedGenericString( 121 "public int Roebling.compareTo(Roebling)") 122 public int compareTo(Roebling r) { 123 throw new IllegalArgumentException(); 124 } 125 126 // Not a transient method, (transient var-arg overlap) 127 @ExpectedGenericString( 128 "void Roebling.varArg(java.lang.Object...)") 129 @ExpectedString( 130 "void Roebling.varArg(java.lang.Object[])") 131 void varArg(Object ... arg) {} 132 } 133 134 @Retention(RetentionPolicy.RUNTIME) 135 @interface ExpectedGenericString { 136 String value(); 137 } 138 139 @Retention(RetentionPolicy.RUNTIME) 140 @interface ExpectedString { 141 String value(); 142 }