1 /*
2 * Copyright (c) 2004, 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 /*
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 (method.isBridge()) {
52 if (! egs.bridgeValue().equals(actual)) {
53 failures++;
54 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
55 egs.value(), actual);
56 }
57 } else {
58 if (! egs.value().equals(actual)) {
59 failures++;
60 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
61 egs.value(), actual);
62 }
63 }
64 }
65
66 if (method.isAnnotationPresent(ExpectedString.class)) {
67 ExpectedString es = method.getAnnotation(ExpectedString.class);
68 String actual = method.toString();
69 if (! es.value().equals(actual)) {
70 failures++;
71 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
72 es.value(), actual);
73 }
74 }
75
76 }
77
78 // Bridge Test; no "volatile" methods
79 for(Method method: Roebling.class.getDeclaredMethods()) {
80 String s1 = method.toGenericString();
81 String s2 = method.toString();
82 System.out.println("Generic: " + s1);
83 System.out.println("Regular: " + s2);
84 if (s1.indexOf("volatile") != -1 ||
85 s2.indexOf("volatile") != -1) {
86 failures++;
87 System.err.println("ERROR: Bad string; unexpected ``volatile''");
88 }
89 }
90
91 if (failures > 0) {
92 System.err.println("Test failed.");
93 throw new RuntimeException();
94 }
95 }
96 }
97
98 class TestClass1 {
99 @ExpectedGenericString(
100 "void TestClass1.method1(int,double)")
101 void method1(int x, double y) {}
102
103 @ExpectedGenericString(
104 "private static java.lang.String TestClass1.method2(int,int)")
105 private static String method2(int x, int param2) {return null;}
106
107 @ExpectedGenericString(
108 "static void TestClass1.method3() throws java.lang.RuntimeException")
109 static void method3() throws RuntimeException {return;}
110
111 @ExpectedGenericString(
112 "protected <S,T> S TestClass1.method4(S,T) throws java.lang.Exception")
113 protected <S, T> S method4(S s, T t) throws Exception {return null;}
114 }
115
116 class TestClass2<E, F extends Exception> {
117 @ExpectedGenericString(
118 "public <T> T TestClass2.method1(E,T)")
119 public <T> T method1(E e, T t) {return null;}
120
121 @ExpectedGenericString(
122 "public void TestClass2.method2() throws F")
123 public void method2() throws F {return;}
124 }
125
126 class Roebling implements Comparable<Roebling> {
127 @ExpectedGenericString(
128 value="public int Roebling.compareTo(Roebling)",
129 bridgeValue="public int Roebling.compareTo(java.lang.Object)")
130 public int compareTo(Roebling r) {
131 throw new IllegalArgumentException();
132 }
133
134 // Not a transient method, (transient var-arg overlap)
135 @ExpectedGenericString(
136 "void Roebling.varArg(java.lang.Object...)")
137 @ExpectedString(
138 "void Roebling.varArg(java.lang.Object[])")
139 void varArg(Object ... arg) {}
140 }
141
142 interface TestInterface1 {
143 @ExpectedGenericString(
144 "public default void TestInterface1.foo()")
145 @ExpectedString(
146 "public default void TestInterface1.foo()")
147 public default void foo(){;}
148
149 @ExpectedString(
150 "public default java.lang.Object TestInterface1.bar()")
151 @ExpectedGenericString(
152 "public default <A> A TestInterface1.bar()")
153 default <A> A bar(){return null;}
154
155 @ExpectedString(
156 "public default strictfp double TestInterface1.quux()")
157 @ExpectedGenericString(
158 "public default strictfp double TestInterface1.quux()")
159 strictfp default double quux(){return 1.0;}
160
161 }
162
163 @Retention(RetentionPolicy.RUNTIME)
164 @interface ExpectedGenericString {
165 String value();
166 String bridgeValue() default "";
167 }
168
169 @Retention(RetentionPolicy.RUNTIME)
170 @interface ExpectedString {
171 String value();
172 }
173