|
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 TestStableLong |
|
28 * @summary tests on stable fields and arrays |
|
29 * @library /testlibrary |
|
30 * @compile -XDignore.symbol.file TestStableLong.java |
|
31 * @run main ClassFileInstaller |
|
32 * java/lang/invoke/TestStableLong |
|
33 * java/lang/invoke/TestStableLong$LongStable |
|
34 * java/lang/invoke/TestStableLong$StaticLongStable |
|
35 * java/lang/invoke/TestStableLong$VolatileLongStable |
|
36 * java/lang/invoke/TestStableLong$LongArrayDim1 |
|
37 * java/lang/invoke/TestStableLong$LongArrayDim2 |
|
38 * java/lang/invoke/TestStableLong$LongArrayDim3 |
|
39 * java/lang/invoke/TestStableLong$LongArrayDim4 |
|
40 * java/lang/invoke/TestStableLong$ObjectArrayLowerDim0 |
|
41 * java/lang/invoke/TestStableLong$ObjectArrayLowerDim1 |
|
42 * java/lang/invoke/TestStableLong$NestedStableField |
|
43 * java/lang/invoke/TestStableLong$NestedStableField$A |
|
44 * java/lang/invoke/TestStableLong$NestedStableField1 |
|
45 * java/lang/invoke/TestStableLong$NestedStableField1$A |
|
46 * java/lang/invoke/TestStableLong$NestedStableField2 |
|
47 * java/lang/invoke/TestStableLong$NestedStableField2$A |
|
48 * java/lang/invoke/TestStableLong$NestedStableField3 |
|
49 * java/lang/invoke/TestStableLong$NestedStableField3$A |
|
50 * java/lang/invoke/TestStableLong$DefaultValue |
|
51 * java/lang/invoke/TestStableLong$ObjectArrayLowerDim2 |
|
52 * |
|
53 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions |
|
54 * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:+UseCompressedOop |
|
55 * -server -XX:-TieredCompilation -Xcomp |
|
56 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
|
57 * java.lang.invoke.TestStableLong |
|
58 * |
|
59 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions |
|
60 * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:-UseCompressedOop |
|
61 * -server -XX:-TieredCompilation -Xcomp |
|
62 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
|
63 * java.lang.invoke.TestStableLong |
|
64 * |
|
65 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions |
|
66 * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:+UseCompressedOop |
|
67 * -server -XX:-TieredCompilation -Xcomp |
|
68 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
|
69 * java.lang.invoke.TestStableLong |
|
70 * |
|
71 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions |
|
72 * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:-UseCompressedOop |
|
73 * -server -XX:-TieredCompilation -Xcomp |
|
74 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
|
75 * java.lang.invoke.TestStableLong |
|
76 */ |
|
77 package java.lang.invoke; |
|
78 |
|
79 import com.sun.management.HotSpotDiagnosticMXBean; |
|
80 import com.sun.management.VMOption; |
|
81 import sun.management.ManagementFactoryHelper; |
|
82 import java.lang.reflect.InvocationTargetException; |
|
83 |
|
84 public class TestStableLong { |
|
85 public static void main(String[] args) throws Exception { |
|
86 System.out.println("@Stable enabled: "+isStableEnabled); |
|
87 System.out.println(); |
|
88 |
|
89 run(DefaultValue.class); |
|
90 run(LongStable.class); |
|
91 run(StaticLongStable.class); |
|
92 run(VolatileLongStable.class); |
|
93 |
|
94 // @Stable arrays: Dim 1-4 |
|
95 run(LongArrayDim1.class); |
|
96 run(LongArrayDim2.class); |
|
97 run(LongArrayDim3.class); |
|
98 run(LongArrayDim4.class); |
|
99 |
|
100 // @Stable Object field: dynamic arrays |
|
101 run(ObjectArrayLowerDim0.class); |
|
102 run(ObjectArrayLowerDim1.class); |
|
103 run(ObjectArrayLowerDim2.class); |
|
104 |
|
105 // Nested @Stable fields |
|
106 run(NestedStableField.class); |
|
107 run(NestedStableField1.class); |
|
108 run(NestedStableField2.class); |
|
109 run(NestedStableField3.class); |
|
110 |
|
111 if (failed) { |
|
112 throw new Error("TEST FAILED"); |
|
113 } |
|
114 } |
|
115 |
|
116 /* ==================================================== */ |
|
117 |
|
118 static class DefaultValue { |
|
119 public @Stable long v; |
|
120 |
|
121 public static final DefaultValue c = new DefaultValue(); |
|
122 public static long get() { return c.v; } |
|
123 public static void test() throws Exception { |
|
124 long val1 = get(); |
|
125 c.v = 1L; long val2 = get(); |
|
126 assertEquals(val1, 0); |
|
127 assertEquals(val2, 1L); |
|
128 } |
|
129 } |
|
130 |
|
131 /* ==================================================== */ |
|
132 |
|
133 static class LongStable { |
|
134 public @Stable long v; |
|
135 |
|
136 public static final LongStable c = new LongStable(); |
|
137 public static long get() { return c.v; } |
|
138 public static void test() throws Exception { |
|
139 c.v = 5; long val1 = get(); |
|
140 c.v = Long.MAX_VALUE; long val2 = get(); |
|
141 assertEquals(val1, 5); |
|
142 assertEquals(val2, (isStableEnabled ? 5 : Long.MAX_VALUE)); |
|
143 } |
|
144 } |
|
145 |
|
146 /* ==================================================== */ |
|
147 |
|
148 static class StaticLongStable { |
|
149 public static @Stable long v; |
|
150 |
|
151 public static final StaticLongStable c = new StaticLongStable(); |
|
152 public static long get() { return c.v; } |
|
153 public static void test() throws Exception { |
|
154 c.v = 5; long val1 = get(); |
|
155 c.v = Long.MAX_VALUE; long val2 = get(); |
|
156 assertEquals(val1, 5); |
|
157 assertEquals(val2, (isStableEnabled ? 5 : Long.MAX_VALUE)); |
|
158 } |
|
159 } |
|
160 |
|
161 /* ==================================================== */ |
|
162 |
|
163 static class VolatileLongStable { |
|
164 public @Stable volatile long v; |
|
165 |
|
166 public static final VolatileLongStable c = new VolatileLongStable(); |
|
167 public static long get() { return c.v; } |
|
168 public static void test() throws Exception { |
|
169 c.v = 5; long val1 = get(); |
|
170 c.v = Long.MAX_VALUE; long val2 = get(); |
|
171 assertEquals(val1, 5); |
|
172 assertEquals(val2, (isStableEnabled ? 5 : Long.MAX_VALUE)); |
|
173 } |
|
174 } |
|
175 |
|
176 /* ==================================================== */ |
|
177 // @Stable array == field && all components are stable |
|
178 |
|
179 static class LongArrayDim1 { |
|
180 public @Stable long[] v; |
|
181 |
|
182 public static final LongArrayDim1 c = new LongArrayDim1(); |
|
183 public static long get() { return c.v[0]; } |
|
184 public static long get1() { return c.v[10]; } |
|
185 public static long[] get2() { return c.v; } |
|
186 public static void test() throws Exception { |
|
187 { |
|
188 c.v = new long[1]; c.v[0] = 1; long val1 = get(); |
|
189 c.v[0] = 2; long val2 = get(); |
|
190 assertEquals(val1, 1); |
|
191 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
192 |
|
193 c.v = new long[1]; c.v[0] = 3; long val3 = get(); |
|
194 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
195 } |
|
196 |
|
197 { |
|
198 c.v = new long[20]; c.v[10] = 1; long val1 = get1(); |
|
199 c.v[10] = 2; long val2 = get1(); |
|
200 assertEquals(val1, 1); |
|
201 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
202 |
|
203 c.v = new long[20]; c.v[10] = 3; long val3 = get1(); |
|
204 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
205 } |
|
206 |
|
207 { |
|
208 c.v = new long[1]; long[] val1 = get2(); |
|
209 c.v = new long[1]; long[] val2 = get2(); |
|
210 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
211 } |
|
212 } |
|
213 } |
|
214 |
|
215 /* ==================================================== */ |
|
216 |
|
217 static class LongArrayDim2 { |
|
218 public @Stable long[][] v; |
|
219 |
|
220 public static final LongArrayDim2 c = new LongArrayDim2(); |
|
221 public static long get() { return c.v[0][0]; } |
|
222 public static long[] get1() { return c.v[0]; } |
|
223 public static long[][] get2() { return c.v; } |
|
224 public static void test() throws Exception { |
|
225 { |
|
226 c.v = new long[1][1]; c.v[0][0] = 1; long val1 = get(); |
|
227 c.v[0][0] = 2; long val2 = get(); |
|
228 assertEquals(val1, 1); |
|
229 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
230 |
|
231 c.v = new long[1][1]; c.v[0][0] = 3; long val3 = get(); |
|
232 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
233 |
|
234 c.v[0] = new long[1]; c.v[0][0] = 4; long val4 = get(); |
|
235 assertEquals(val4, (isStableEnabled ? 1 : 4)); |
|
236 } |
|
237 |
|
238 { |
|
239 c.v = new long[1][1]; long[] val1 = get1(); |
|
240 c.v[0] = new long[1]; long[] val2 = get1(); |
|
241 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
242 } |
|
243 |
|
244 { |
|
245 c.v = new long[1][1]; long[][] val1 = get2(); |
|
246 c.v = new long[1][1]; long[][] val2 = get2(); |
|
247 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
248 } |
|
249 } |
|
250 } |
|
251 |
|
252 /* ==================================================== */ |
|
253 |
|
254 static class LongArrayDim3 { |
|
255 public @Stable long[][][] v; |
|
256 |
|
257 public static final LongArrayDim3 c = new LongArrayDim3(); |
|
258 public static long get() { return c.v[0][0][0]; } |
|
259 public static long[] get1() { return c.v[0][0]; } |
|
260 public static long[][] get2() { return c.v[0]; } |
|
261 public static long[][][] get3() { return c.v; } |
|
262 public static void test() throws Exception { |
|
263 { |
|
264 c.v = new long[1][1][1]; c.v[0][0][0] = 1; long val1 = get(); |
|
265 c.v[0][0][0] = 2; long val2 = get(); |
|
266 assertEquals(val1, 1); |
|
267 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
268 |
|
269 c.v = new long[1][1][1]; c.v[0][0][0] = 3; long val3 = get(); |
|
270 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
271 |
|
272 c.v[0] = new long[1][1]; c.v[0][0][0] = 4; long val4 = get(); |
|
273 assertEquals(val4, (isStableEnabled ? 1 : 4)); |
|
274 |
|
275 c.v[0][0] = new long[1]; c.v[0][0][0] = 5; long val5 = get(); |
|
276 assertEquals(val5, (isStableEnabled ? 1 : 5)); |
|
277 } |
|
278 |
|
279 { |
|
280 c.v = new long[1][1][1]; long[] val1 = get1(); |
|
281 c.v[0][0] = new long[1]; long[] val2 = get1(); |
|
282 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
283 } |
|
284 |
|
285 { |
|
286 c.v = new long[1][1][1]; long[][] val1 = get2(); |
|
287 c.v[0] = new long[1][1]; long[][] val2 = get2(); |
|
288 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
289 } |
|
290 |
|
291 { |
|
292 c.v = new long[1][1][1]; long[][][] val1 = get3(); |
|
293 c.v = new long[1][1][1]; long[][][] val2 = get3(); |
|
294 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
295 } |
|
296 } |
|
297 } |
|
298 |
|
299 /* ==================================================== */ |
|
300 |
|
301 static class LongArrayDim4 { |
|
302 public @Stable long[][][][] v; |
|
303 |
|
304 public static final LongArrayDim4 c = new LongArrayDim4(); |
|
305 public static long get() { return c.v[0][0][0][0]; } |
|
306 public static long[] get1() { return c.v[0][0][0]; } |
|
307 public static long[][] get2() { return c.v[0][0]; } |
|
308 public static long[][][] get3() { return c.v[0]; } |
|
309 public static long[][][][] get4() { return c.v; } |
|
310 public static void test() throws Exception { |
|
311 { |
|
312 c.v = new long[1][1][1][1]; c.v[0][0][0][0] = 1; long val1 = get(); |
|
313 c.v[0][0][0][0] = 2; long val2 = get(); |
|
314 assertEquals(val1, 1); |
|
315 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
316 |
|
317 c.v = new long[1][1][1][1]; c.v[0][0][0][0] = 3; long val3 = get(); |
|
318 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
319 |
|
320 c.v[0] = new long[1][1][1]; c.v[0][0][0][0] = 4; long val4 = get(); |
|
321 assertEquals(val4, (isStableEnabled ? 1 : 4)); |
|
322 |
|
323 c.v[0][0] = new long[1][1]; c.v[0][0][0][0] = 5; long val5 = get(); |
|
324 assertEquals(val5, (isStableEnabled ? 1 : 5)); |
|
325 |
|
326 c.v[0][0][0] = new long[1]; c.v[0][0][0][0] = 6; long val6 = get(); |
|
327 assertEquals(val6, (isStableEnabled ? 1 : 6)); |
|
328 } |
|
329 |
|
330 { |
|
331 c.v = new long[1][1][1][1]; long[] val1 = get1(); |
|
332 c.v[0][0][0] = new long[1]; long[] val2 = get1(); |
|
333 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
334 } |
|
335 |
|
336 { |
|
337 c.v = new long[1][1][1][1]; long[][] val1 = get2(); |
|
338 c.v[0][0] = new long[1][1]; long[][] val2 = get2(); |
|
339 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
340 } |
|
341 |
|
342 { |
|
343 c.v = new long[1][1][1][1]; long[][][] val1 = get3(); |
|
344 c.v[0] = new long[1][1][1]; long[][][] val2 = get3(); |
|
345 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
346 } |
|
347 |
|
348 { |
|
349 c.v = new long[1][1][1][1]; long[][][][] val1 = get4(); |
|
350 c.v = new long[1][1][1][1]; long[][][][] val2 = get4(); |
|
351 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
352 } |
|
353 |
|
354 } |
|
355 } |
|
356 |
|
357 /* ==================================================== */ |
|
358 // Dynamic Dim is higher than static |
|
359 |
|
360 static class ObjectArrayLowerDim0 { |
|
361 public @Stable Object v; |
|
362 |
|
363 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0(); |
|
364 public static long get() { return ((long[])c.v)[0]; } |
|
365 public static long[] get1() { return (long[])c.v; } |
|
366 |
|
367 public static void test() throws Exception { |
|
368 { |
|
369 c.v = new long[1]; ((long[])c.v)[0] = 1; long val1 = get(); |
|
370 ((long[])c.v)[0] = 2; long val2 = get(); |
|
371 |
|
372 assertEquals(val1, 1); |
|
373 assertEquals(val2, 2); |
|
374 } |
|
375 |
|
376 { |
|
377 c.v = new long[1]; long[] val1 = get1(); |
|
378 c.v = new long[1]; long[] val2 = get1(); |
|
379 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
380 } |
|
381 } |
|
382 } |
|
383 |
|
384 /* ==================================================== */ |
|
385 |
|
386 static class ObjectArrayLowerDim1 { |
|
387 public @Stable Object[] v; |
|
388 |
|
389 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1(); |
|
390 public static long get() { return ((long[][])c.v)[0][0]; } |
|
391 public static long[] get1() { return (long[])(c.v[0]); } |
|
392 public static Object[] get2() { return c.v; } |
|
393 |
|
394 public static void test() throws Exception { |
|
395 { |
|
396 c.v = new long[1][1]; ((long[][])c.v)[0][0] = 1; long val1 = get(); |
|
397 ((long[][])c.v)[0][0] = 2; long val2 = get(); |
|
398 |
|
399 assertEquals(val1, 1); |
|
400 assertEquals(val2, 2); |
|
401 } |
|
402 |
|
403 { |
|
404 c.v = new long[1][1]; c.v[0] = new long[0]; long[] val1 = get1(); |
|
405 c.v[0] = new long[0]; long[] val2 = get1(); |
|
406 |
|
407 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
408 } |
|
409 |
|
410 { |
|
411 c.v = new long[0][0]; Object[] val1 = get2(); |
|
412 c.v = new long[0][0]; Object[] val2 = get2(); |
|
413 |
|
414 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
415 } |
|
416 } |
|
417 } |
|
418 |
|
419 /* ==================================================== */ |
|
420 |
|
421 static class ObjectArrayLowerDim2 { |
|
422 public @Stable Object[][] v; |
|
423 |
|
424 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2(); |
|
425 public static long get() { return ((long[][][])c.v)[0][0][0]; } |
|
426 public static long[] get1() { return (long[])(c.v[0][0]); } |
|
427 public static long[][] get2() { return (long[][])(c.v[0]); } |
|
428 public static Object[][] get3() { return c.v; } |
|
429 |
|
430 public static void test() throws Exception { |
|
431 { |
|
432 c.v = new long[1][1][1]; ((long[][][])c.v)[0][0][0] = 1L; long val1 = get(); |
|
433 ((long[][][])c.v)[0][0][0] = 2L; long val2 = get(); |
|
434 |
|
435 assertEquals(val1, 1L); |
|
436 assertEquals(val2, 2L); |
|
437 } |
|
438 |
|
439 { |
|
440 c.v = new long[1][1][1]; c.v[0][0] = new long[0]; long[] val1 = get1(); |
|
441 c.v[0][0] = new long[0]; long[] val2 = get1(); |
|
442 |
|
443 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
444 } |
|
445 |
|
446 { |
|
447 c.v = new long[1][1][1]; c.v[0] = new long[0][0]; long[][] val1 = get2(); |
|
448 c.v[0] = new long[0][0]; long[][] val2 = get2(); |
|
449 |
|
450 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
451 } |
|
452 |
|
453 { |
|
454 c.v = new long[0][0][0]; Object[][] val1 = get3(); |
|
455 c.v = new long[0][0][0]; Object[][] val2 = get3(); |
|
456 |
|
457 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
|
458 } |
|
459 } |
|
460 } |
|
461 |
|
462 /* ==================================================== */ |
|
463 |
|
464 static class NestedStableField { |
|
465 static class A { |
|
466 public @Stable long a; |
|
467 |
|
468 } |
|
469 public @Stable A v; |
|
470 |
|
471 public static final NestedStableField c = new NestedStableField(); |
|
472 public static A get() { return c.v; } |
|
473 public static long get1() { return get().a; } |
|
474 |
|
475 public static void test() throws Exception { |
|
476 { |
|
477 c.v = new A(); c.v.a = 1; A val1 = get(); |
|
478 c.v.a = 2; A val2 = get(); |
|
479 |
|
480 assertEquals(val1.a, 2); |
|
481 assertEquals(val2.a, 2); |
|
482 } |
|
483 |
|
484 { |
|
485 c.v = new A(); c.v.a = 1; long val1 = get1(); |
|
486 c.v.a = 2; long val2 = get1(); |
|
487 c.v = new A(); c.v.a = 3; long val3 = get1(); |
|
488 |
|
489 assertEquals(val1, 1); |
|
490 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
491 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
492 } |
|
493 } |
|
494 } |
|
495 |
|
496 /* ==================================================== */ |
|
497 |
|
498 static class NestedStableField1 { |
|
499 static class A { |
|
500 public @Stable long a; |
|
501 public @Stable A next; |
|
502 } |
|
503 public @Stable A v; |
|
504 |
|
505 public static final NestedStableField1 c = new NestedStableField1(); |
|
506 public static A get() { return c.v.next.next.next.next.next.next.next; } |
|
507 public static long get1() { return get().a; } |
|
508 |
|
509 public static void test() throws Exception { |
|
510 { |
|
511 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v; |
|
512 c.v.a = 1; c.v.next.a = 1; A val1 = get(); |
|
513 c.v.a = 2; c.v.next.a = 2; A val2 = get(); |
|
514 |
|
515 assertEquals(val1.a, 2); |
|
516 assertEquals(val2.a, 2); |
|
517 } |
|
518 |
|
519 { |
|
520 c.v = new A(); c.v.next = c.v; |
|
521 c.v.a = 1; long val1 = get1(); |
|
522 c.v.a = 2; long val2 = get1(); |
|
523 c.v = new A(); c.v.next = c.v; |
|
524 c.v.a = 3; long val3 = get1(); |
|
525 |
|
526 assertEquals(val1, 1); |
|
527 assertEquals(val2, (isStableEnabled ? 1 : 2)); |
|
528 assertEquals(val3, (isStableEnabled ? 1 : 3)); |
|
529 } |
|
530 } |
|
531 } |
|
532 /* ==================================================== */ |
|
533 |
|
534 static class NestedStableField2 { |
|
535 static class A { |
|
536 public @Stable long a; |
|
537 public @Stable A left; |
|
538 public A right; |
|
539 } |
|
540 |
|
541 public @Stable A v; |
|
542 |
|
543 public static final NestedStableField2 c = new NestedStableField2(); |
|
544 public static long get() { return c.v.left.left.left.a; } |
|
545 public static long get1() { return c.v.left.left.right.left.a; } |
|
546 |
|
547 public static void test() throws Exception { |
|
548 { |
|
549 c.v = new A(); c.v.left = c.v.right = c.v; |
|
550 c.v.a = 1; long val1 = get(); long val2 = get1(); |
|
551 c.v.a = 2; long val3 = get(); long val4 = get1(); |
|
552 |
|
553 assertEquals(val1, 1); |
|
554 assertEquals(val3, (isStableEnabled ? 1 : 2)); |
|
555 |
|
556 assertEquals(val2, 1); |
|
557 assertEquals(val4, 2); |
|
558 } |
|
559 } |
|
560 } |
|
561 |
|
562 /* ==================================================== */ |
|
563 |
|
564 static class NestedStableField3 { |
|
565 static class A { |
|
566 public @Stable long a; |
|
567 public @Stable A[] left; |
|
568 public A[] right; |
|
569 } |
|
570 |
|
571 public @Stable A[] v; |
|
572 |
|
573 public static final NestedStableField3 c = new NestedStableField3(); |
|
574 public static long get() { return c.v[0].left[1].left[0].left[1].a; } |
|
575 public static long get1() { return c.v[1].left[0].left[1].right[0].left[1].a; } |
|
576 |
|
577 public static void test() throws Exception { |
|
578 { |
|
579 A elem = new A(); |
|
580 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v; |
|
581 elem.a = 1; long val1 = get(); long val2 = get1(); |
|
582 elem.a = 2; long val3 = get(); long val4 = get1(); |
|
583 |
|
584 assertEquals(val1, 1); |
|
585 assertEquals(val3, (isStableEnabled ? 1 : 2)); |
|
586 |
|
587 assertEquals(val2, 1); |
|
588 assertEquals(val4, 2); |
|
589 } |
|
590 } |
|
591 } |
|
592 |
|
593 /* ==================================================== */ |
|
594 // Auxiliary methods |
|
595 static void assertEquals(long i, long j) { if (i != j) throw new AssertionError(i + " != " + j); } |
|
596 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); } |
|
597 |
|
598 static boolean failed = false; |
|
599 |
|
600 public static void run(Class<?> test) { |
|
601 Throwable ex = null; |
|
602 System.out.print(test.getName()+": "); |
|
603 try { |
|
604 test.getMethod("test").invoke(null); |
|
605 } catch (InvocationTargetException e) { |
|
606 ex = e.getCause(); |
|
607 } catch (Throwable e) { |
|
608 ex = e; |
|
609 } finally { |
|
610 if (ex == null) { |
|
611 System.out.println("PASSED"); |
|
612 } else { |
|
613 failed = true; |
|
614 System.out.println("FAILED"); |
|
615 ex.printStackTrace(System.out); |
|
616 } |
|
617 } |
|
618 } |
|
619 |
|
620 static final boolean isStableEnabled; |
|
621 static { |
|
622 HotSpotDiagnosticMXBean diagnostic |
|
623 = ManagementFactoryHelper.getDiagnosticMXBean(); |
|
624 VMOption tmp; |
|
625 try { |
|
626 tmp = diagnostic.getVMOption("FoldStableValues"); |
|
627 } catch (IllegalArgumentException e) { |
|
628 tmp = null; |
|
629 } |
|
630 isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue())); |
|
631 } |
|
632 } |