1 /*
2 * Copyright (c) 2004, 2016, 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 8161500
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
39 for(Class<?> clazz: List.of(TestClass1.class, TestClass2.class,
40 Roebling.class, TestInterface1.class))
41 for(Method method: clazz.getDeclaredMethods()) {
42 ExpectedGenericString egs = method.getAnnotation(ExpectedGenericString.class);
43 if (egs != null) {
44 String actual = method.toGenericString();
45 System.out.println(actual);
46 if (method.isBridge()) {
47 if (! egs.bridgeValue().equals(actual)) {
48 failures++;
49 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
50 egs.value(), actual);
51 }
52 } else {
53 if (! egs.value().equals(actual)) {
54 failures++;
55 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
56 egs.value(), actual);
57 }
58 }
59 }
60
61 if (method.isAnnotationPresent(ExpectedString.class)) {
62 ExpectedString es = method.getAnnotation(ExpectedString.class);
63 String actual = method.toString();
64 if (! es.value().equals(actual)) {
65 failures++;
66 System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
67 es.value(), actual);
68 }
69 }
70
71 }
72
73 // Bridge Test; no "volatile" methods
74 for(Method method: Roebling.class.getDeclaredMethods()) {
75 String s1 = method.toGenericString();
76 String s2 = method.toString();
77 System.out.println("Generic: " + s1);
78 System.out.println("Regular: " + s2);
79 if (s1.indexOf("volatile") != -1 ||
80 s2.indexOf("volatile") != -1) {
81 failures++;
82 System.err.println("ERROR: Bad string; unexpected ``volatile''");
83 }
84 }
85
86 if (failures > 0) {
87 System.err.println("Test failed.");
88 throw new RuntimeException();
89 }
90 }
91 }
92
93 class TestClass1 {
94 @ExpectedGenericString(
95 "void TestClass1.method1(int,double)")
96 void method1(int x, double y) {}
97
98 @ExpectedGenericString(
99 "private static java.lang.String TestClass1.method2(int,int)")
100 private static String method2(int x, int param2) {return null;}
101
102 @ExpectedGenericString(
103 "static void TestClass1.method3() throws java.lang.RuntimeException")
104 static void method3() throws RuntimeException {return;}
105
106 @ExpectedGenericString(
107 "protected <S,T> S TestClass1.method4(S,T) throws java.lang.Exception")
108 protected <S, T> S method4(S s, T t) throws Exception {return null;}
109 }
110
111 class TestClass2<E, F extends Exception> {
112 @ExpectedGenericString(
113 "public <T> T TestClass2.method1(E,T)")
114 public <T> T method1(E e, T t) {return null;}
115
116 @ExpectedGenericString(
117 "public void TestClass2.method2() throws F")
118 public void method2() throws F {return;}
119
120 @ExpectedGenericString(
121 "public E[] TestClass2.method3()")
122 public E[] method3() {return null;}
123
124 @ExpectedGenericString(
125 "public E[][] TestClass2.method4()")
126 public E[][] method4() {return null;}
127
128 @ExpectedGenericString(
129 "public java.util.List<E[]> TestClass2.method5()")
130 public List<E[]> method5() {return null;}
131
132 @ExpectedGenericString(
133 "public java.util.List<?> TestClass2.method6()")
134 public List<?> method6() {return null;}
135
136 @ExpectedGenericString(
137 "public java.util.List<?>[] TestClass2.method7()")
138 public List<?>[] method7() {return null;}
139
140 @ExpectedGenericString(
141 "public <K,V> java.util.Map<K, V> TestClass2.method8()")
142 public <K, V> Map<K, V> method8() {return null;}
143 }
144
145 class Roebling implements Comparable<Roebling> {
146 @ExpectedGenericString(
147 value="public int Roebling.compareTo(Roebling)",
148 bridgeValue="public int Roebling.compareTo(java.lang.Object)")
149 public int compareTo(Roebling r) {
150 throw new IllegalArgumentException();
151 }
152
153 // Not a transient method, (transient var-arg overlap)
154 @ExpectedGenericString(
155 "void Roebling.varArg(java.lang.Object...)")
156 @ExpectedString(
157 "void Roebling.varArg(java.lang.Object[])")
158 void varArg(Object ... arg) {}
159 }
160
161 interface TestInterface1 {
162 @ExpectedGenericString(
163 "public default void TestInterface1.foo()")
164 @ExpectedString(
165 "public default void TestInterface1.foo()")
166 public default void foo(){;}
167
168 @ExpectedString(
169 "public default java.lang.Object TestInterface1.bar()")
170 @ExpectedGenericString(
171 "public default <A> A TestInterface1.bar()")
172 default <A> A bar(){return null;}
173
174 @ExpectedString(
175 "public default strictfp double TestInterface1.quux()")
176 @ExpectedGenericString(
177 "public default strictfp double TestInterface1.quux()")
178 strictfp default double quux(){return 1.0;}
179 }
180
181 @Retention(RetentionPolicy.RUNTIME)
182 @interface ExpectedGenericString {
183 String value();
184 String bridgeValue() default "";
185 }
186
187 @Retention(RetentionPolicy.RUNTIME)
188 @interface ExpectedString {
189 String value();
190 }
191