1 /*
2 * Copyright (c) 2004, 2006, 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 5033583 6316717 6470106 8004979
27 * @summary Check toGenericString() and toString() methods
28 * @author Joseph D. Darcy
29 */
30
31 import java.lang.reflect.*;
32 import java.lang.annotation.*;
33 import java.util.*;
34
35 public class GenericStringTest {
36 public static void main(String argv[]) throws Exception {
37 int failures = 0;
38 List<Class<?>> classList = new LinkedList<Class<?>>();
39 classList.add(TestClass1.class);
40 classList.add(TestClass2.class);
41 classList.add(Roebling.class);
42 classList.add(TestInterface1.class);
43
44
45 for(Class<?> clazz: classList)
46 for(Method method: clazz.getDeclaredMethods()) {
47 ExpectedGenericString egs = method.getAnnotation(ExpectedGenericString.class);
48 if (egs != null) {
49 String actual = method.toGenericString();
50 System.out.println(actual);
51 if (! egs.value().equals(actual)) {
52 failures++;
53 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
54 egs.value(), actual);
55 }
56 }
57
58 if (method.isAnnotationPresent(ExpectedString.class)) {
59 ExpectedString es = method.getAnnotation(ExpectedString.class);
60 String actual = method.toString();
61 if (! es.value().equals(actual)) {
62 failures++;
63 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
64 es.value(), actual);
65 }
66 }
67
68 }
69
70 // Bridge Test; no "volatile" methods
71 for(Method method: Roebling.class.getDeclaredMethods()) {
72 String s1 = method.toGenericString();
73 String s2 = method.toString();
74 System.out.println("Generic: " + s1);
75 System.out.println("Regular: " + s2);
76 if (s1.indexOf("volatile") != -1 ||
77 s2.indexOf("volatile") != -1) {
78 failures++;
79 System.err.println("ERROR: Bad string; unexpected ``volatile''");
80 }
81 }
82
83 if (failures > 0) {
84 System.err.println("Test failed.");
85 throw new RuntimeException();
86 }
87 }
88 }
89
90 class TestClass1 {
91 @ExpectedGenericString(
92 "void TestClass1.method1(int,double)")
93 void method1(int x, double y) {}
94
95 @ExpectedGenericString(
96 "private static java.lang.String TestClass1.method2(int,int)")
97 private static String method2(int x, int param2) {return null;}
98
99 @ExpectedGenericString(
100 "static void TestClass1.method3() throws java.lang.RuntimeException")
101 static void method3() throws RuntimeException {return;}
102
103 @ExpectedGenericString(
104 "protected <S,T> S TestClass1.method4(S,T) throws java.lang.Exception")
105 protected <S, T> S method4(S s, T t) throws Exception {return null;}
106 }
107
108 class TestClass2<E, F extends Exception> {
109 @ExpectedGenericString(
110 "public <T> T TestClass2.method1(E,T)")
111 public <T> T method1(E e, T t) {return null;}
112
113 @ExpectedGenericString(
114 "public void TestClass2.method2() throws F")
115 public void method2() throws F {return;}
116 }
117
118 class Roebling implements Comparable<Roebling> {
119 @ExpectedGenericString(
120 "public int Roebling.compareTo(Roebling)")
121 public int compareTo(Roebling r) {
122 throw new IllegalArgumentException();
123 }
124
125 // Not a transient method, (transient var-arg overlap)
126 @ExpectedGenericString(
127 "void Roebling.varArg(java.lang.Object...)")
128 @ExpectedString(
129 "void Roebling.varArg(java.lang.Object[])")
130 void varArg(Object ... arg) {}
131 }
132
133 interface TestInterface1 {
134 @ExpectedGenericString(
135 "public default void TestInterface1.foo()")
136 @ExpectedString(
137 "public default void TestInterface1.foo()")
138 public default void foo(){;}
139
140 @ExpectedString(
141 "public default java.lang.Object TestInterface1.bar()")
142 @ExpectedGenericString(
143 "public default <A> A TestInterface1.bar()")
144 default <A> A bar(){return null;}
145 }
146
147 @Retention(RetentionPolicy.RUNTIME)
148 @interface ExpectedGenericString {
149 String value();
150 }
151
152 @Retention(RetentionPolicy.RUNTIME)
153 @interface ExpectedString {
154 String value();
155 }