1 /*
2 * Copyright (c) 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 8162817
27 * @summary Test of toString on normal annotations
28 */
29
30 import java.lang.annotation.*;
31 import java.lang.reflect.*;
32 import java.util.*;
33
34 /**
35 * The expected string values are stored in @ExpectedString
36 * annotations. The essence of the test is comparing the toString()
37 * result of annotations to the corresponding ExpectedString.value().
38 */
39
40 public class AnnotationToStringTest {
41 public static void main(String... args) throws Exception {
42 int failures = 0;
43
44 failures += check(PrimHost.class.getAnnotation(ExpectedString.class).value(),
45 PrimHost.class.getAnnotation(MostlyPrimitive.class).toString());
46 failures += classyTest();
47 failures += arrayAnnotationTest();
48
49 if (failures > 0)
50 throw new RuntimeException(failures + " failures");
51 }
52
53 private static int check(String expected, String actual) {
54 if (!expected.equals(actual)) {
55 System.err.printf("ERROR: Expected ''%s'';%ngot ''%s''.\n",
56 expected, actual);
57 return 1;
58 } else
59 return 0;
60 }
61
62 @ExpectedString(
63 "@MostlyPrimitive(c0='a', "+
64 "c1='\\'', " +
65 "i0=1, " +
66 "i1=2, " +
67 "f0=1.0f, " +
68 "f1=0.0f/0.0f, " +
69 "d0=0.0, " +
70 "d1=1.0/0.0, " +
71 "l0=5, " +
72 "l1=9223372036854775807L, " +
73 "s0=\"Hello world.\", " +
74 "s1=\"a\\\"b\", " +
75 "class0=Obj[].class)")
76 @MostlyPrimitive(
77 c0='a',
78 c1='\'',
79 i0=1,
80 i1=2,
81 f0=1.0f,
82 f1=Float.NaN,
83 d0=0.0,
84 d1=2.0/0.0,
85 l0=5,
86 l1=Long.MAX_VALUE,
87 s0="Hello world.",
88 s1="a\"b",
89 class0=Obj[].class
90 )
91 static class PrimHost{}
92
93 private static int classyTest() {
94 int failures = 0;
95 for (Field f : AnnotationHost.class.getFields()) {
96 Annotation a = f.getAnnotation(Classy.class);
97 System.out.println(a);
98 failures += check(f.getAnnotation(ExpectedString.class).value(),
99 a.toString());
100 }
101 return failures;
102 }
103
104 static class AnnotationHost {
105 @ExpectedString(
106 "@Classy(value=Obj.class)")
107 @Classy(value=Obj.class)
108 public int f0;
109
110 @ExpectedString(
111 "@Classy(value=Obj[].class)")
112 @Classy(value=Obj[].class)
113 public int f1;
114
115 @ExpectedString(
116 "@Classy(value=Obj[][].class)")
117 @Classy(value=Obj[][].class)
118 public int f2;
119
120 @ExpectedString(
121 "@Classy(value=Obj[][][].class)")
122 @Classy(value=Obj[][][].class)
123 public int f3;
124
125 @ExpectedString(
126 "@Classy(value=int.class)")
127 @Classy(value=int.class)
128 public int f4;
129
130 @ExpectedString(
131 "@Classy(value=int[][][].class)")
132 @Classy(value=int[][][].class)
133 public int f5;
134 }
135
136 /**
137 * Each field should have two annotations, the first being
138 * @ExpectedString and the second the annotation under test.
139 */
140 private static int arrayAnnotationTest() {
141 int failures = 0;
142 for (Field f : ArrayAnnotationHost.class.getFields()) {
143 Annotation[] annotations = f.getAnnotations();
144 System.out.println(annotations[1]);
145 failures += check(((ExpectedString)annotations[0]).value(),
146 annotations[1].toString());
147 }
148 return failures;
149 }
150
151 static class ArrayAnnotationHost {
152 @ExpectedString(
153 "@BooleanArray(value={true, false, true})")
154 @BooleanArray(value={true, false, true})
155 public boolean[] f0;
156
157 @ExpectedString(
158 "@FloatArray(value={3.0f, 4.0f, 0.0f/0.0f, -1.0f/0.0f, 1.0f/0.0f})")
159 @FloatArray(value={3.0f, 4.0f, Float.NaN, Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY})
160 public float[] f1;
161
162 @ExpectedString(
163 "@DoubleArray(value={1.0, 2.0, 0.0/0.0, 1.0/0.0, -1.0/0.0})")
164 @DoubleArray(value={1.0, 2.0, Double.NaN, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY,})
165 public double[] f2;
166
167 @ExpectedString(
168 "@ByteArray(value={10, 11, 12})")
169 @ByteArray(value={10, 11, 12})
170 public byte[] f3;
171
172 @ExpectedString(
173 "@ShortArray(value={0, 4, 5})")
174 @ShortArray(value={0, 4, 5})
175 public short[] f4;
176
177 @ExpectedString(
178 "@CharArray(value={'a', 'b', 'c', '\\''})")
179 @CharArray(value={'a', 'b', 'c', '\''})
180 public char[] f5;
181
182 @ExpectedString(
183 "@IntArray(value={1})")
184 @IntArray(value={1})
185 public int[] f6;
186
187 @ExpectedString(
188 "@LongArray(value={-2147483647, 2147483648L, 9223372036854775807L})")
189 @LongArray(value={-Integer.MAX_VALUE, Integer.MAX_VALUE+1L, Long.MAX_VALUE})
190 public long[] f7;
191
192 @ExpectedString(
193 "@StringArray(value={\"A\", \"B\", \"C\", \"\\\"Quote\\\"\"})")
194 @StringArray(value={"A", "B", "C", "\"Quote\""})
195 public String[] f8;
196
197 @ExpectedString(
198 "@ClassArray(value={int.class, Obj[].class})")
199 @ClassArray(value={int.class, Obj[].class})
200 public Class<?>[] f9;
201
202 @ExpectedString(
203 "@EnumArray(value={SOURCE})")
204 @EnumArray(value={RetentionPolicy.SOURCE})
205 public RetentionPolicy[] f10;
206 }
207 }
208
209 // ------------ Supporting types ------------
210
211 class Obj {}
212
213 @Retention(RetentionPolicy.RUNTIME)
214 @interface ExpectedString {
215 String value();
216 }
217
218 @Retention(RetentionPolicy.RUNTIME)
219 @interface Classy {
220 Class<?> value();
221 }
222
223 @Retention(RetentionPolicy.RUNTIME)
224 @interface BooleanArray {
225 boolean[] value();
226 }
227
228 @Retention(RetentionPolicy.RUNTIME)
229 @interface FloatArray {
230 float[] value();
231 }
232
233 @Retention(RetentionPolicy.RUNTIME)
234 @interface DoubleArray {
235 double[] value();
236 }
237
238 @Retention(RetentionPolicy.RUNTIME)
239 @interface ByteArray {
240 byte[] value();
241 }
242
243 @Retention(RetentionPolicy.RUNTIME)
244 @interface ShortArray {
245 short[] value();
246 }
247
248 @Retention(RetentionPolicy.RUNTIME)
249 @interface CharArray {
250 char[] value();
251 }
252
253 @Retention(RetentionPolicy.RUNTIME)
254 @interface IntArray {
255 int[] value();
256 }
257
258 @Retention(RetentionPolicy.RUNTIME)
259 @interface LongArray {
260 long[] value();
261 }
262
263 @Retention(RetentionPolicy.RUNTIME)
264 @interface ClassArray {
265 Class<?>[] value() default {int.class, Obj[].class};
266 }
267
268 @Retention(RetentionPolicy.RUNTIME)
269 @interface StringArray {
270 String[] value();
271 }
272
273 @Retention(RetentionPolicy.RUNTIME)
274 @interface EnumArray {
275 RetentionPolicy[] value();
276 }
277
278 @Retention(RetentionPolicy.RUNTIME)
279 @interface MostlyPrimitive {
280 char c0();
281 char c1();
282 int i0();
283 int i1();
284 float f0();
285 float f1();
286 double d0();
287 double d1();
288 long l0();
289 long l1();
290 String s0();
291 String s1();
292 Class<?> class0();
293 }