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 8162539
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 failures += checkForFailure(egs.bridgeValue(), actual);
48 } else {
49 failures += checkForFailure(egs.value(), actual);
50 }
51 }
52
53 if (method.isAnnotationPresent(ExpectedString.class)) {
54 ExpectedString es = method.getAnnotation(ExpectedString.class);
55 String actual = method.toString();
56 failures += checkForFailure(es.value(), actual);
57 }
58
59 }
60
61 // Bridge Test; no "volatile" methods
62 for(Method method: Roebling.class.getDeclaredMethods()) {
63 String s1 = method.toGenericString();
64 String s2 = method.toString();
65 System.out.println("Generic: " + s1);
66 System.out.println("Regular: " + s2);
67 if (s1.indexOf("volatile") != -1 ||
68 s2.indexOf("volatile") != -1) {
69 failures++;
70 System.err.println("ERROR: Bad string; unexpected ``volatile''");
71 }
72 }
73
74 if (failures > 0) {
75 System.err.println("Test failed.");
76 throw new RuntimeException();
77 }
78 }
79
80 private static int checkForFailure(String expected, String actual) {
81 if (!expected.equals(actual)) {
82 System.err.printf("ERROR: Expected ''%s'';%ngot ''%s''.\n",
83 expected, actual);
84 return 1;
85 } else
86 return 0;
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 @ExpectedString(
116 "public void TestClass2.method2() throws java.lang.Exception")
117 public void method2() throws F {return;}
118
119 @ExpectedGenericString(
120 "public E[] TestClass2.method3()")
121 public E[] method3() {return null;}
122
123 @ExpectedGenericString(
124 "public E[][] TestClass2.method4()")
125 public E[][] method4() {return null;}
126
127 @ExpectedGenericString(
128 "public java.util.List<E[]> TestClass2.method5()")
129 public List<E[]> method5() {return null;}
130
131 @ExpectedGenericString(
132 "public java.util.List<?> TestClass2.method6()")
133 public List<?> method6() {return null;}
134
135 @ExpectedGenericString(
136 "public java.util.List<?>[] TestClass2.method7()")
137 public List<?>[] method7() {return null;}
138
139 @ExpectedGenericString(
140 "public <K,V> java.util.Map<K, V> TestClass2.method8()")
141 public <K, V> Map<K, V> method8() {return null;}
142 }
143
144 class Roebling implements Comparable<Roebling> {
145 @ExpectedGenericString(
146 value="public int Roebling.compareTo(Roebling)",
147 bridgeValue="public int Roebling.compareTo(java.lang.Object)")
148 public int compareTo(Roebling r) {
149 throw new IllegalArgumentException();
150 }
151
152 // Not a transient method, (transient var-arg overlap)
153 @ExpectedGenericString(
154 "void Roebling.varArg(java.lang.Object...)")
155 @ExpectedString(
156 "void Roebling.varArg(java.lang.Object[])")
157 void varArg(Object ... arg) {}
158 }
159
160 interface TestInterface1 {
161 @ExpectedGenericString(
162 "public default void TestInterface1.foo()")
163 @ExpectedString(
164 "public default void TestInterface1.foo()")
165 public default void foo(){;}
166
167 @ExpectedString(
168 "public default java.lang.Object TestInterface1.bar()")
169 @ExpectedGenericString(
170 "public default <A> A TestInterface1.bar()")
171 default <A> A bar(){return null;}
172
173 @ExpectedString(
174 "public default strictfp double TestInterface1.quux()")
175 @ExpectedGenericString(
176 "public default strictfp double TestInterface1.quux()")
177 strictfp default double quux(){return 1.0;}
178 }
179
180 @Retention(RetentionPolicy.RUNTIME)
181 @interface ExpectedGenericString {
182 String value();
183 String bridgeValue() default "";
184 }
185
186 @Retention(RetentionPolicy.RUNTIME)
187 @interface ExpectedString {
188 String value();
189 }
190