Mercurial > hg > graal-jvmci-8
comparison test/compiler/stable/TestStableObject.java @ 17820:248ff38d2950
8035828: Turn on @Stable support in VM
Reviewed-by: jrose, twisti
author | vlivanov |
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date | Fri, 28 Mar 2014 10:13:37 -0700 |
parents | |
children | ee1c924763d2 |
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17819:f47fa50d9b9c | 17820:248ff38d2950 |
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1 /* | |
2 * Copyright (c) 2014, 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. Oracle designates this | |
8 * particular file as subject to the "Classpath" exception as provided | |
9 * by Oracle in the LICENSE file that accompanied this code. | |
10 * | |
11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 * version 2 for more details (a copy is included in the LICENSE file that | |
15 * accompanied this code). | |
16 * | |
17 * You should have received a copy of the GNU General Public License version | |
18 * 2 along with this work; if not, write to the Free Software Foundation, | |
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 * | |
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
22 * or visit www.oracle.com if you need additional information or have any | |
23 * questions. | |
24 */ | |
25 | |
26 /* | |
27 * @test TestStableObject | |
28 * @summary tests on stable fields and arrays | |
29 * @library /testlibrary | |
30 * @compile -XDignore.symbol.file TestStableObject.java | |
31 * @run main ClassFileInstaller | |
32 * java/lang/invoke/TestStableObject | |
33 * java/lang/invoke/TestStableObject$ObjectStable | |
34 * java/lang/invoke/TestStableObject$StaticObjectStable | |
35 * java/lang/invoke/TestStableObject$VolatileObjectStable | |
36 * java/lang/invoke/TestStableObject$ObjectArrayDim1 | |
37 * java/lang/invoke/TestStableObject$ObjectArrayDim2 | |
38 * java/lang/invoke/TestStableObject$ObjectArrayDim3 | |
39 * java/lang/invoke/TestStableObject$ObjectArrayDim4 | |
40 * java/lang/invoke/TestStableObject$ObjectArrayLowerDim0 | |
41 * java/lang/invoke/TestStableObject$ObjectArrayLowerDim1 | |
42 * java/lang/invoke/TestStableObject$NestedStableField | |
43 * java/lang/invoke/TestStableObject$NestedStableField$A | |
44 * java/lang/invoke/TestStableObject$NestedStableField1 | |
45 * java/lang/invoke/TestStableObject$NestedStableField1$A | |
46 * java/lang/invoke/TestStableObject$NestedStableField2 | |
47 * java/lang/invoke/TestStableObject$NestedStableField2$A | |
48 * java/lang/invoke/TestStableObject$NestedStableField3 | |
49 * java/lang/invoke/TestStableObject$NestedStableField3$A | |
50 * java/lang/invoke/TestStableObject$Values | |
51 * java/lang/invoke/TestStableObject$DefaultValue | |
52 * java/lang/invoke/TestStableObject$ObjectArrayLowerDim2 | |
53 * | |
54 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions | |
55 * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:+UseCompressedOop | |
56 * -server -XX:-TieredCompilation -Xcomp | |
57 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 | |
58 * java.lang.invoke.TestStableObject | |
59 * | |
60 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions | |
61 * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:-UseCompressedOop | |
62 * -server -XX:-TieredCompilation -Xcomp | |
63 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 | |
64 * java.lang.invoke.TestStableObject | |
65 * | |
66 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions | |
67 * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:+UseCompressedOop | |
68 * -server -XX:-TieredCompilation -Xcomp | |
69 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 | |
70 * java.lang.invoke.TestStableObject | |
71 * | |
72 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions | |
73 * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:-UseCompressedOop | |
74 * -server -XX:-TieredCompilation -Xcomp | |
75 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 | |
76 * java.lang.invoke.TestStableObject | |
77 */ | |
78 package java.lang.invoke; | |
79 | |
80 import com.sun.management.HotSpotDiagnosticMXBean; | |
81 import com.sun.management.VMOption; | |
82 import sun.management.ManagementFactoryHelper; | |
83 import java.lang.reflect.InvocationTargetException; | |
84 | |
85 public class TestStableObject { | |
86 public static void main(String[] args) throws Exception { | |
87 System.out.println("@Stable enabled: "+isStableEnabled); | |
88 System.out.println(); | |
89 | |
90 run(DefaultValue.class); | |
91 run(ObjectStable.class); | |
92 run(StaticObjectStable.class); | |
93 run(VolatileObjectStable.class); | |
94 | |
95 // @Stable arrays: Dim 1-4 | |
96 run(ObjectArrayDim1.class); | |
97 run(ObjectArrayDim2.class); | |
98 run(ObjectArrayDim3.class); | |
99 run(ObjectArrayDim4.class); | |
100 | |
101 // @Stable Object field: dynamic arrays | |
102 run(ObjectArrayLowerDim0.class); | |
103 run(ObjectArrayLowerDim1.class); | |
104 run(ObjectArrayLowerDim2.class); | |
105 | |
106 // Nested @Stable fields | |
107 run(NestedStableField.class); | |
108 run(NestedStableField1.class); | |
109 run(NestedStableField2.class); | |
110 run(NestedStableField3.class); | |
111 | |
112 if (failed) { | |
113 throw new Error("TEST FAILED"); | |
114 } | |
115 } | |
116 | |
117 /* ==================================================== */ | |
118 | |
119 enum Values {A, B, C, D, E, F} | |
120 | |
121 static class DefaultValue { | |
122 public @Stable Object v; | |
123 | |
124 public static final DefaultValue c = new DefaultValue(); | |
125 public static Object get() { return c.v; } | |
126 public static void test() throws Exception { | |
127 Object val1 = get(); | |
128 c.v = Values.A; Object val2 = get(); | |
129 assertEquals(val1, null); | |
130 assertEquals(val2, Values.A); | |
131 } | |
132 } | |
133 | |
134 /* ==================================================== */ | |
135 | |
136 static class ObjectStable { | |
137 public @Stable Values v; | |
138 | |
139 public static final ObjectStable c = new ObjectStable (); | |
140 public static Values get() { return c.v; } | |
141 public static void test() throws Exception { | |
142 c.v = Values.A; Values val1 = get(); | |
143 c.v = Values.B; Values val2 = get(); | |
144 assertEquals(val1, Values.A); | |
145 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
146 } | |
147 } | |
148 | |
149 /* ==================================================== */ | |
150 | |
151 static class StaticObjectStable { | |
152 public static @Stable Values v; | |
153 | |
154 public static final ObjectStable c = new ObjectStable (); | |
155 public static Values get() { return c.v; } | |
156 public static void test() throws Exception { | |
157 c.v = Values.A; Values val1 = get(); | |
158 c.v = Values.B; Values val2 = get(); | |
159 assertEquals(val1, Values.A); | |
160 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
161 } | |
162 } | |
163 | |
164 /* ==================================================== */ | |
165 | |
166 static class VolatileObjectStable { | |
167 public @Stable volatile Values v; | |
168 | |
169 public static final VolatileObjectStable c = new VolatileObjectStable (); | |
170 public static Values get() { return c.v; } | |
171 public static void test() throws Exception { | |
172 c.v = Values.A; Values val1 = get(); | |
173 c.v = Values.B; Values val2 = get(); | |
174 assertEquals(val1, Values.A); | |
175 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
176 } | |
177 } | |
178 | |
179 /* ==================================================== */ | |
180 // @Stable array == field && all components are stable | |
181 | |
182 static class ObjectArrayDim1 { | |
183 public @Stable Object[] v; | |
184 | |
185 public static final ObjectArrayDim1 c = new ObjectArrayDim1(); | |
186 public static Object get() { return c.v[0]; } | |
187 public static Object get1() { return c.v[10]; } | |
188 public static Object[] get2() { return c.v; } | |
189 public static void test() throws Exception { | |
190 { | |
191 c.v = new Object[1]; c.v[0] = Values.A; Object val1 = get(); | |
192 c.v[0] = Values.B; Object val2 = get(); | |
193 assertEquals(val1, Values.A); | |
194 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
195 | |
196 c.v = new Object[1]; c.v[0] = Values.C; Object val3 = get(); | |
197 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
198 } | |
199 | |
200 { | |
201 c.v = new Object[20]; c.v[10] = Values.A; Object val1 = get1(); | |
202 c.v[10] = Values.B; Object val2 = get1(); | |
203 assertEquals(val1, Values.A); | |
204 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
205 | |
206 c.v = new Object[20]; c.v[10] = Values.C; Object val3 = get1(); | |
207 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
208 } | |
209 | |
210 { | |
211 c.v = new Object[1]; Object[] val1 = get2(); | |
212 c.v = new Object[1]; Object[] val2 = get2(); | |
213 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
214 } | |
215 } | |
216 } | |
217 | |
218 /* ==================================================== */ | |
219 | |
220 static class ObjectArrayDim2 { | |
221 public @Stable Object[][] v; | |
222 | |
223 public static final ObjectArrayDim2 c = new ObjectArrayDim2(); | |
224 public static Object get() { return c.v[0][0]; } | |
225 public static Object[] get1() { return c.v[0]; } | |
226 public static Object[][] get2() { return c.v; } | |
227 public static void test() throws Exception { | |
228 { | |
229 c.v = new Object[1][1]; c.v[0][0] = Values.A; Object val1 = get(); | |
230 c.v[0][0] = Values.B; Object val2 = get(); | |
231 assertEquals(val1, Values.A); | |
232 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
233 | |
234 c.v = new Object[1][1]; c.v[0][0] = Values.C; Object val3 = get(); | |
235 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
236 | |
237 c.v[0] = new Object[1]; c.v[0][0] = Values.D; Object val4 = get(); | |
238 assertEquals(val4, (isStableEnabled ? Values.A : Values.D)); | |
239 } | |
240 | |
241 { | |
242 c.v = new Object[1][1]; Object[] val1 = get1(); | |
243 c.v[0] = new Object[1]; Object[] val2 = get1(); | |
244 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
245 } | |
246 | |
247 { | |
248 c.v = new Object[1][1]; Object[][] val1 = get2(); | |
249 c.v = new Object[1][1]; Object[][] val2 = get2(); | |
250 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
251 } | |
252 } | |
253 } | |
254 | |
255 /* ==================================================== */ | |
256 | |
257 static class ObjectArrayDim3 { | |
258 public @Stable Object[][][] v; | |
259 | |
260 public static final ObjectArrayDim3 c = new ObjectArrayDim3(); | |
261 public static Object get() { return c.v[0][0][0]; } | |
262 public static Object[] get1() { return c.v[0][0]; } | |
263 public static Object[][] get2() { return c.v[0]; } | |
264 public static Object[][][] get3() { return c.v; } | |
265 public static void test() throws Exception { | |
266 { | |
267 c.v = new Object[1][1][1]; c.v[0][0][0] = Values.A; Object val1 = get(); | |
268 c.v[0][0][0] = Values.B; Object val2 = get(); | |
269 assertEquals(val1, Values.A); | |
270 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
271 | |
272 c.v = new Object[1][1][1]; c.v[0][0][0] = Values.C; Object val3 = get(); | |
273 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
274 | |
275 c.v[0] = new Object[1][1]; c.v[0][0][0] = Values.D; Object val4 = get(); | |
276 assertEquals(val4, (isStableEnabled ? Values.A : Values.D)); | |
277 | |
278 c.v[0][0] = new Object[1]; c.v[0][0][0] = Values.E; Object val5 = get(); | |
279 assertEquals(val5, (isStableEnabled ? Values.A : Values.E)); | |
280 } | |
281 | |
282 { | |
283 c.v = new Object[1][1][1]; Object[] val1 = get1(); | |
284 c.v[0][0] = new Object[1]; Object[] val2 = get1(); | |
285 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
286 } | |
287 | |
288 { | |
289 c.v = new Object[1][1][1]; Object[][] val1 = get2(); | |
290 c.v[0] = new Object[1][1]; Object[][] val2 = get2(); | |
291 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
292 } | |
293 | |
294 { | |
295 c.v = new Object[1][1][1]; Object[][][] val1 = get3(); | |
296 c.v = new Object[1][1][1]; Object[][][] val2 = get3(); | |
297 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
298 } | |
299 } | |
300 } | |
301 | |
302 /* ==================================================== */ | |
303 | |
304 static class ObjectArrayDim4 { | |
305 public @Stable Object[][][][] v; | |
306 | |
307 public static final ObjectArrayDim4 c = new ObjectArrayDim4(); | |
308 public static Object get() { return c.v[0][0][0][0]; } | |
309 public static Object[] get1() { return c.v[0][0][0]; } | |
310 public static Object[][] get2() { return c.v[0][0]; } | |
311 public static Object[][][] get3() { return c.v[0]; } | |
312 public static Object[][][][] get4() { return c.v; } | |
313 public static void test() throws Exception { | |
314 { | |
315 c.v = new Object[1][1][1][1]; c.v[0][0][0][0] = Values.A; Object val1 = get(); | |
316 c.v[0][0][0][0] = Values.B; Object val2 = get(); | |
317 assertEquals(val1, Values.A); | |
318 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
319 | |
320 c.v = new Object[1][1][1][1]; c.v[0][0][0][0] = Values.C; Object val3 = get(); | |
321 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
322 | |
323 c.v[0] = new Object[1][1][1]; c.v[0][0][0][0] = Values.D; Object val4 = get(); | |
324 assertEquals(val4, (isStableEnabled ? Values.A : Values.D)); | |
325 | |
326 c.v[0][0] = new Object[1][1]; c.v[0][0][0][0] = Values.E; Object val5 = get(); | |
327 assertEquals(val5, (isStableEnabled ? Values.A : Values.E)); | |
328 | |
329 c.v[0][0][0] = new Object[1]; c.v[0][0][0][0] = Values.F; Object val6 = get(); | |
330 assertEquals(val6, (isStableEnabled ? Values.A : Values.F)); | |
331 } | |
332 | |
333 { | |
334 c.v = new Object[1][1][1][1]; Object[] val1 = get1(); | |
335 c.v[0][0][0] = new Object[1]; Object[] val2 = get1(); | |
336 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
337 } | |
338 | |
339 { | |
340 c.v = new Object[1][1][1][1]; Object[][] val1 = get2(); | |
341 c.v[0][0] = new Object[1][1]; Object[][] val2 = get2(); | |
342 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
343 } | |
344 | |
345 { | |
346 c.v = new Object[1][1][1][1]; Object[][][] val1 = get3(); | |
347 c.v[0] = new Object[1][1][1]; Object[][][] val2 = get3(); | |
348 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
349 } | |
350 | |
351 { | |
352 c.v = new Object[1][1][1][1]; Object[][][][] val1 = get4(); | |
353 c.v = new Object[1][1][1][1]; Object[][][][] val2 = get4(); | |
354 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
355 } | |
356 | |
357 } | |
358 } | |
359 | |
360 /* ==================================================== */ | |
361 // Dynamic Dim is higher than static | |
362 | |
363 static class ObjectArrayLowerDim0 { | |
364 public @Stable Object v; | |
365 | |
366 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0(); | |
367 public static Object get() { return ((Object[])c.v)[0]; } | |
368 public static Object[] get1() { return (Object[])c.v; } | |
369 | |
370 public static void test() throws Exception { | |
371 { | |
372 c.v = new Object[1]; ((Object[])c.v)[0] = Values.A; Object val1 = get(); | |
373 ((Object[])c.v)[0] = Values.B; Object val2 = get(); | |
374 | |
375 assertEquals(val1, Values.A); | |
376 assertEquals(val2, Values.B); | |
377 } | |
378 | |
379 { | |
380 c.v = new Object[1]; Object[] val1 = get1(); | |
381 c.v = new Object[1]; Object[] val2 = get1(); | |
382 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
383 } | |
384 } | |
385 } | |
386 | |
387 /* ==================================================== */ | |
388 | |
389 static class ObjectArrayLowerDim1 { | |
390 public @Stable Object[] v; | |
391 | |
392 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1(); | |
393 public static Object get() { return ((Object[][])c.v)[0][0]; } | |
394 public static Object[] get1() { return (Object[])(c.v[0]); } | |
395 public static Object[] get2() { return c.v; } | |
396 | |
397 public static void test() throws Exception { | |
398 { | |
399 c.v = new Object[1][1]; ((Object[][])c.v)[0][0] = Values.A; Object val1 = get(); | |
400 ((Object[][])c.v)[0][0] = Values.B; Object val2 = get(); | |
401 | |
402 assertEquals(val1, Values.A); | |
403 assertEquals(val2, Values.B); | |
404 } | |
405 | |
406 { | |
407 c.v = new Object[1][1]; c.v[0] = new Object[0]; Object[] val1 = get1(); | |
408 c.v[0] = new Object[0]; Object[] val2 = get1(); | |
409 | |
410 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
411 } | |
412 | |
413 { | |
414 c.v = new Object[0][0]; Object[] val1 = get2(); | |
415 c.v = new Object[0][0]; Object[] val2 = get2(); | |
416 | |
417 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
418 } | |
419 } | |
420 } | |
421 | |
422 /* ==================================================== */ | |
423 | |
424 static class ObjectArrayLowerDim2 { | |
425 public @Stable Object[][] v; | |
426 | |
427 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2(); | |
428 public static Object get() { return ((Object[][][])c.v)[0][0][0]; } | |
429 public static Object[] get1() { return (Object[])(c.v[0][0]); } | |
430 public static Object[][] get2() { return (Object[][])(c.v[0]); } | |
431 public static Object[][] get3() { return c.v; } | |
432 | |
433 public static void test() throws Exception { | |
434 { | |
435 c.v = new Object[1][1][1]; ((Object[][][])c.v)[0][0][0] = Values.A; Object val1 = get(); | |
436 ((Object[][][])c.v)[0][0][0] = Values.B; Object val2 = get(); | |
437 | |
438 assertEquals(val1, Values.A); | |
439 assertEquals(val2, Values.B); | |
440 } | |
441 | |
442 { | |
443 c.v = new Object[1][1][1]; c.v[0][0] = new Object[0]; Object[] val1 = get1(); | |
444 c.v[0][0] = new Object[0]; Object[] val2 = get1(); | |
445 | |
446 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
447 } | |
448 | |
449 { | |
450 c.v = new Object[1][1][1]; c.v[0] = new Object[0][0]; Object[][] val1 = get2(); | |
451 c.v[0] = new Object[0][0]; Object[][] val2 = get2(); | |
452 | |
453 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
454 } | |
455 | |
456 { | |
457 c.v = new Object[0][0][0]; Object[][] val1 = get3(); | |
458 c.v = new Object[0][0][0]; Object[][] val2 = get3(); | |
459 | |
460 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); | |
461 } | |
462 } | |
463 } | |
464 | |
465 /* ==================================================== */ | |
466 | |
467 static class NestedStableField { | |
468 static class A { | |
469 public @Stable Object a; | |
470 | |
471 } | |
472 public @Stable A v; | |
473 | |
474 public static final NestedStableField c = new NestedStableField(); | |
475 public static A get() { return c.v; } | |
476 public static Object get1() { return get().a; } | |
477 | |
478 public static void test() throws Exception { | |
479 { | |
480 c.v = new A(); c.v.a = Values.A; A val1 = get(); | |
481 c.v.a = Values.B; A val2 = get(); | |
482 | |
483 assertEquals(val1.a, Values.B); | |
484 assertEquals(val2.a, Values.B); | |
485 } | |
486 | |
487 { | |
488 c.v = new A(); c.v.a = Values.A; Object val1 = get1(); | |
489 c.v.a = Values.B; Object val2 = get1(); | |
490 c.v = new A(); c.v.a = Values.C; Object val3 = get1(); | |
491 | |
492 assertEquals(val1, Values.A); | |
493 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
494 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
495 } | |
496 } | |
497 } | |
498 | |
499 /* ==================================================== */ | |
500 | |
501 static class NestedStableField1 { | |
502 static class A { | |
503 public @Stable Object a; | |
504 public @Stable A next; | |
505 } | |
506 public @Stable A v; | |
507 | |
508 public static final NestedStableField1 c = new NestedStableField1(); | |
509 public static A get() { return c.v.next.next.next.next.next.next.next; } | |
510 public static Object get1() { return get().a; } | |
511 | |
512 public static void test() throws Exception { | |
513 { | |
514 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v; | |
515 c.v.a = Values.A; c.v.next.a = Values.A; A val1 = get(); | |
516 c.v.a = Values.B; c.v.next.a = Values.B; A val2 = get(); | |
517 | |
518 assertEquals(val1.a, Values.B); | |
519 assertEquals(val2.a, Values.B); | |
520 } | |
521 | |
522 { | |
523 c.v = new A(); c.v.next = c.v; | |
524 c.v.a = Values.A; Object val1 = get1(); | |
525 c.v.a = Values.B; Object val2 = get1(); | |
526 c.v = new A(); c.v.next = c.v; | |
527 c.v.a = Values.C; Object val3 = get1(); | |
528 | |
529 assertEquals(val1, Values.A); | |
530 assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); | |
531 assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); | |
532 } | |
533 } | |
534 } | |
535 /* ==================================================== */ | |
536 | |
537 static class NestedStableField2 { | |
538 static class A { | |
539 public @Stable Object a; | |
540 public @Stable A left; | |
541 public A right; | |
542 } | |
543 | |
544 public @Stable A v; | |
545 | |
546 public static final NestedStableField2 c = new NestedStableField2(); | |
547 public static Object get() { return c.v.left.left.left.a; } | |
548 public static Object get1() { return c.v.left.left.right.left.a; } | |
549 | |
550 public static void test() throws Exception { | |
551 { | |
552 c.v = new A(); c.v.left = c.v.right = c.v; | |
553 c.v.a = Values.A; Object val1 = get(); Object val2 = get1(); | |
554 c.v.a = Values.B; Object val3 = get(); Object val4 = get1(); | |
555 | |
556 assertEquals(val1, Values.A); | |
557 assertEquals(val3, (isStableEnabled ? Values.A : Values.B)); | |
558 | |
559 assertEquals(val2, Values.A); | |
560 assertEquals(val4, Values.B); | |
561 } | |
562 } | |
563 } | |
564 | |
565 /* ==================================================== */ | |
566 | |
567 static class NestedStableField3 { | |
568 static class A { | |
569 public @Stable Object a; | |
570 public @Stable A[] left; | |
571 public A[] right; | |
572 } | |
573 | |
574 public @Stable A[] v; | |
575 | |
576 public static final NestedStableField3 c = new NestedStableField3(); | |
577 public static Object get() { return c.v[0].left[1].left[0].left[1].a; } | |
578 public static Object get1() { return c.v[1].left[0].left[1].right[0].left[1].a; } | |
579 | |
580 public static void test() throws Exception { | |
581 { | |
582 A elem = new A(); | |
583 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v; | |
584 elem.a = Values.A; Object val1 = get(); Object val2 = get1(); | |
585 elem.a = Values.B; Object val3 = get(); Object val4 = get1(); | |
586 | |
587 assertEquals(val1, Values.A); | |
588 assertEquals(val3, (isStableEnabled ? Values.A : Values.B)); | |
589 | |
590 assertEquals(val2, Values.A); | |
591 assertEquals(val4, Values.B); | |
592 } | |
593 } | |
594 } | |
595 | |
596 /* ==================================================== */ | |
597 // Auxiliary methods | |
598 static void assertEquals(Object i, Object j) { if (i != j) throw new AssertionError(i + " != " + j); } | |
599 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); } | |
600 | |
601 static boolean failed = false; | |
602 | |
603 public static void run(Class<?> test) { | |
604 Throwable ex = null; | |
605 System.out.print(test.getName()+": "); | |
606 try { | |
607 test.getMethod("test").invoke(null); | |
608 } catch (InvocationTargetException e) { | |
609 ex = e.getCause(); | |
610 } catch (Throwable e) { | |
611 ex = e; | |
612 } finally { | |
613 if (ex == null) { | |
614 System.out.println("PASSED"); | |
615 } else { | |
616 failed = true; | |
617 System.out.println("FAILED"); | |
618 ex.printStackTrace(System.out); | |
619 } | |
620 } | |
621 } | |
622 | |
623 static final boolean isStableEnabled; | |
624 static { | |
625 HotSpotDiagnosticMXBean diagnostic | |
626 = ManagementFactoryHelper.getDiagnosticMXBean(); | |
627 VMOption tmp; | |
628 try { | |
629 tmp = diagnostic.getVMOption("FoldStableValues"); | |
630 } catch (IllegalArgumentException e) { | |
631 tmp = null; | |
632 } | |
633 isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue())); | |
634 } | |
635 } |