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 TestStableBoolean
28 * @summary tests on stable fields and arrays
29 * @library /testlibrary
30 * @compile -XDignore.symbol.file TestStableBoolean.java
31 * @run main ClassFileInstaller
32 * java/lang/invoke/TestStableBoolean
33 * java/lang/invoke/TestStableBoolean$BooleanStable
34 * java/lang/invoke/TestStableBoolean$StaticBooleanStable
35 * java/lang/invoke/TestStableBoolean$VolatileBooleanStable
36 * java/lang/invoke/TestStableBoolean$BooleanArrayDim1
37 * java/lang/invoke/TestStableBoolean$BooleanArrayDim2
38 * java/lang/invoke/TestStableBoolean$BooleanArrayDim3
39 * java/lang/invoke/TestStableBoolean$BooleanArrayDim4
40 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim0
41 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim1
42 * java/lang/invoke/TestStableBoolean$NestedStableField
43 * java/lang/invoke/TestStableBoolean$NestedStableField$A
44 * java/lang/invoke/TestStableBoolean$NestedStableField1
45 * java/lang/invoke/TestStableBoolean$NestedStableField1$A
46 * java/lang/invoke/TestStableBoolean$NestedStableField2
47 * java/lang/invoke/TestStableBoolean$NestedStableField2$A
48 * java/lang/invoke/TestStableBoolean$NestedStableField3
49 * java/lang/invoke/TestStableBoolean$NestedStableField3$A
50 * java/lang/invoke/TestStableBoolean$DefaultValue
51 * java/lang/invoke/TestStableBoolean$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.TestStableBoolean
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.TestStableBoolean
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.TestStableBoolean
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.TestStableBoolean
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 TestStableBoolean {
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(BooleanStable.class);
91 run(StaticBooleanStable.class);
92 run(VolatileBooleanStable.class);
93
94 // @Stable arrays: Dim 1-4
95 run(BooleanArrayDim1.class);
96 run(BooleanArrayDim2.class);
97 run(BooleanArrayDim3.class);
98 run(BooleanArrayDim4.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 boolean v;
120
121 public static final DefaultValue c = new DefaultValue();
122 public static boolean get() { return c.v; }
123 public static void test() throws Exception {
124 boolean val1 = get();
125 c.v = true; boolean val2 = get();
126 assertEquals(val1, false);
127 assertEquals(val2, true);
128 }
129 }
130
131 /* ==================================================== */
132
133 static class BooleanStable {
134 public @Stable boolean v;
135
136 public static final BooleanStable c = new BooleanStable();
137 public static boolean get() { return c.v; }
138 public static void test() throws Exception {
139 c.v = true; boolean val1 = get();
140 c.v = false; boolean val2 = get();
141 assertEquals(val1, true);
142 assertEquals(val2, (isStableEnabled ? true : false));
143 }
144 }
145
146 /* ==================================================== */
147
148 static class StaticBooleanStable {
149 public static @Stable boolean v;
150
151 public static final StaticBooleanStable c = new StaticBooleanStable();
152 public static boolean get() { return c.v; }
153 public static void test() throws Exception {
154 c.v = true; boolean val1 = get();
155 c.v = false; boolean val2 = get();
156 assertEquals(val1, true);
157 assertEquals(val2, (isStableEnabled ? true : false));
158 }
159 }
160
161 /* ==================================================== */
162
163 static class VolatileBooleanStable {
164 public @Stable volatile boolean v;
165
166 public static final VolatileBooleanStable c = new VolatileBooleanStable();
167 public static boolean get() { return c.v; }
168 public static void test() throws Exception {
169 c.v = true; boolean val1 = get();
170 c.v = false; boolean val2 = get();
171 assertEquals(val1, true);
172 assertEquals(val2, (isStableEnabled ? true : false));
173 }
174 }
175
176 /* ==================================================== */
177 // @Stable array == field && all components are stable
178
179 static class BooleanArrayDim1 {
180 public @Stable boolean[] v;
181
182 public static final BooleanArrayDim1 c = new BooleanArrayDim1();
183 public static boolean get() { return c.v[0]; }
184 public static boolean get1() { return c.v[10]; }
185 public static boolean[] get2() { return c.v; }
186 public static void test() throws Exception {
187 {
188 c.v = new boolean[1]; c.v[0] = true; boolean val1 = get();
189 c.v[0] = false; boolean val2 = get();
190 assertEquals(val1, true);
191 assertEquals(val2, (isStableEnabled ? true : false));
192 }
193
194 {
195 c.v = new boolean[20]; c.v[10] = true; boolean val1 = get1();
196 c.v[10] = false; boolean val2 = get1();
197 assertEquals(val1, true);
198 assertEquals(val2, (isStableEnabled ? true : false));
199 }
200
201 {
202 c.v = new boolean[1]; boolean[] val1 = get2();
203 c.v = new boolean[1]; boolean[] val2 = get2();
204 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
205 }
206 }
207 }
208
209 /* ==================================================== */
210
211 static class BooleanArrayDim2 {
212 public @Stable boolean[][] v;
213
214 public static final BooleanArrayDim2 c = new BooleanArrayDim2();
215 public static boolean get() { return c.v[0][0]; }
216 public static boolean[] get1() { return c.v[0]; }
217 public static boolean[][] get2() { return c.v; }
218 public static void test() throws Exception {
219 {
220 c.v = new boolean[1][1]; c.v[0][0] = true; boolean val1 = get();
221 c.v[0][0] = false; boolean val2 = get();
222 assertEquals(val1, true);
223 assertEquals(val2, (isStableEnabled ? true : false));
224
225 c.v = new boolean[1][1]; c.v[0][0] = false; boolean val3 = get();
226 assertEquals(val3, (isStableEnabled ? true : false));
227
228 c.v[0] = new boolean[1]; c.v[0][0] = false; boolean val4 = get();
229 assertEquals(val4, (isStableEnabled ? true : false));
230 }
231
232 {
233 c.v = new boolean[1][1]; boolean[] val1 = get1();
234 c.v[0] = new boolean[1]; boolean[] val2 = get1();
235 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
236 }
237
238 {
239 c.v = new boolean[1][1]; boolean[][] val1 = get2();
240 c.v = new boolean[1][1]; boolean[][] val2 = get2();
241 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
242 }
243 }
244 }
245
246 /* ==================================================== */
247
248 static class BooleanArrayDim3 {
249 public @Stable boolean[][][] v;
250
251 public static final BooleanArrayDim3 c = new BooleanArrayDim3();
252 public static boolean get() { return c.v[0][0][0]; }
253 public static boolean[] get1() { return c.v[0][0]; }
254 public static boolean[][] get2() { return c.v[0]; }
255 public static boolean[][][] get3() { return c.v; }
256 public static void test() throws Exception {
257 {
258 c.v = new boolean[1][1][1]; c.v[0][0][0] = true; boolean val1 = get();
259 c.v[0][0][0] = false; boolean val2 = get();
260 assertEquals(val1, true);
261 assertEquals(val2, (isStableEnabled ? true : false));
262
263 c.v = new boolean[1][1][1]; c.v[0][0][0] = false; boolean val3 = get();
264 assertEquals(val3, (isStableEnabled ? true : false));
265
266 c.v[0] = new boolean[1][1]; c.v[0][0][0] = false; boolean val4 = get();
267 assertEquals(val4, (isStableEnabled ? true : false));
268
269 c.v[0][0] = new boolean[1]; c.v[0][0][0] = false; boolean val5 = get();
270 assertEquals(val5, (isStableEnabled ? true : false));
271 }
272
273 {
274 c.v = new boolean[1][1][1]; boolean[] val1 = get1();
275 c.v[0][0] = new boolean[1]; boolean[] val2 = get1();
276 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
277 }
278
279 {
280 c.v = new boolean[1][1][1]; boolean[][] val1 = get2();
281 c.v[0] = new boolean[1][1]; boolean[][] val2 = get2();
282 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
283 }
284
285 {
286 c.v = new boolean[1][1][1]; boolean[][][] val1 = get3();
287 c.v = new boolean[1][1][1]; boolean[][][] val2 = get3();
288 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
289 }
290 }
291 }
292
293 /* ==================================================== */
294
295 static class BooleanArrayDim4 {
296 public @Stable boolean[][][][] v;
297
298 public static final BooleanArrayDim4 c = new BooleanArrayDim4();
299 public static boolean get() { return c.v[0][0][0][0]; }
300 public static boolean[] get1() { return c.v[0][0][0]; }
301 public static boolean[][] get2() { return c.v[0][0]; }
302 public static boolean[][][] get3() { return c.v[0]; }
303 public static boolean[][][][] get4() { return c.v; }
304 public static void test() throws Exception {
305 {
306 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = true; boolean val1 = get();
307 c.v[0][0][0][0] = false; boolean val2 = get();
308 assertEquals(val1, true);
309 assertEquals(val2, (isStableEnabled ? true : false));
310
311 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = false; boolean val3 = get();
312 assertEquals(val3, (isStableEnabled ? true : false));
313
314 c.v[0] = new boolean[1][1][1]; c.v[0][0][0][0] = false; boolean val4 = get();
315 assertEquals(val4, (isStableEnabled ? true : false));
316
317 c.v[0][0] = new boolean[1][1]; c.v[0][0][0][0] = false; boolean val5 = get();
318 assertEquals(val5, (isStableEnabled ? true : false));
319
320 c.v[0][0][0] = new boolean[1]; c.v[0][0][0][0] = false; boolean val6 = get();
321 assertEquals(val6, (isStableEnabled ? true : false));
322 }
323
324 {
325 c.v = new boolean[1][1][1][1]; boolean[] val1 = get1();
326 c.v[0][0][0] = new boolean[1]; boolean[] val2 = get1();
327 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
328 }
329
330 {
331 c.v = new boolean[1][1][1][1]; boolean[][] val1 = get2();
332 c.v[0][0] = new boolean[1][1]; boolean[][] val2 = get2();
333 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
334 }
335
336 {
337 c.v = new boolean[1][1][1][1]; boolean[][][] val1 = get3();
338 c.v[0] = new boolean[1][1][1]; boolean[][][] val2 = get3();
339 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
340 }
341
342 {
343 c.v = new boolean[1][1][1][1]; boolean[][][][] val1 = get4();
344 c.v = new boolean[1][1][1][1]; boolean[][][][] val2 = get4();
345 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
346 }
347
348 }
349 }
350
351 /* ==================================================== */
352 // Dynamic Dim is higher than static
353
354 static class ObjectArrayLowerDim0 {
355 public @Stable Object v;
356
357 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
358 public static boolean get() { return ((boolean[])c.v)[0]; }
359 public static boolean[] get1() { return (boolean[])c.v; }
360 public static boolean[] get2() { return (boolean[])c.v; }
361
362 public static void test() throws Exception {
363 {
364 c.v = new boolean[1]; ((boolean[])c.v)[0] = true; boolean val1 = get();
365 ((boolean[])c.v)[0] = false; boolean val2 = get();
366
367 assertEquals(val1, true);
368 assertEquals(val2, false);
369 }
370
371 {
372 c.v = new boolean[1]; boolean[] val1 = get1();
373 c.v = new boolean[1]; boolean[] val2 = get1();
374 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
375 }
376 }
377 }
378
379 /* ==================================================== */
380
381 static class ObjectArrayLowerDim1 {
382 public @Stable Object[] v;
383
384 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
385 public static boolean get() { return ((boolean[][])c.v)[0][0]; }
386 public static boolean[] get1() { return (boolean[])(c.v[0]); }
387 public static Object[] get2() { return c.v; }
388
389 public static void test() throws Exception {
390 {
391 c.v = new boolean[1][1]; ((boolean[][])c.v)[0][0] = true; boolean val1 = get();
392 ((boolean[][])c.v)[0][0] = false; boolean val2 = get();
393
394 assertEquals(val1, true);
395 assertEquals(val2, false);
396 }
397
398 {
399 c.v = new boolean[1][1]; c.v[0] = new boolean[0]; boolean[] val1 = get1();
400 c.v[0] = new boolean[0]; boolean[] val2 = get1();
401
402 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
403 }
404
405 {
406 c.v = new boolean[0][0]; Object[] val1 = get2();
407 c.v = new boolean[0][0]; Object[] val2 = get2();
408
409 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
410 }
411 }
412 }
413
414 /* ==================================================== */
415
416 static class ObjectArrayLowerDim2 {
417 public @Stable Object[][] v;
418
419 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
420 public static boolean get() { return ((boolean[][][])c.v)[0][0][0]; }
421 public static boolean[] get1() { return (boolean[])(c.v[0][0]); }
422 public static boolean[][] get2() { return (boolean[][])(c.v[0]); }
423 public static Object[][] get3() { return c.v; }
424
425 public static void test() throws Exception {
426 {
427 c.v = new boolean[1][1][1]; ((boolean[][][])c.v)[0][0][0] = true; boolean val1 = get();
428 ((boolean[][][])c.v)[0][0][0] = false; boolean val2 = get();
429
430 assertEquals(val1, true);
431 assertEquals(val2, false);
432 }
433
434 {
435 c.v = new boolean[1][1][1]; c.v[0][0] = new boolean[0]; boolean[] val1 = get1();
436 c.v[0][0] = new boolean[0]; boolean[] val2 = get1();
437
438 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
439 }
440
441 {
442 c.v = new boolean[1][1][1]; c.v[0] = new boolean[0][0]; boolean[][] val1 = get2();
443 c.v[0] = new boolean[0][0]; boolean[][] val2 = get2();
444
445 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
446 }
447
448 {
449 c.v = new boolean[0][0][0]; Object[][] val1 = get3();
450 c.v = new boolean[0][0][0]; Object[][] val2 = get3();
451
452 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
453 }
454 }
455 }
456
457 /* ==================================================== */
458
459 static class NestedStableField {
460 static class A {
461 public @Stable boolean a;
462
463 }
464 public @Stable A v;
465
466 public static final NestedStableField c = new NestedStableField();
467 public static A get() { return c.v; }
468 public static boolean get1() { return get().a; }
469
470 public static void test() throws Exception {
471 {
472 c.v = new A(); c.v.a = true; A val1 = get();
473 c.v.a = false; A val2 = get();
474
475 assertEquals(val1.a, false);
476 assertEquals(val2.a, false);
477 }
478
479 {
480 c.v = new A(); c.v.a = true; boolean val1 = get1();
481 c.v.a = false; boolean val2 = get1();
482 c.v = new A(); c.v.a = false; boolean val3 = get1();
483
484 assertEquals(val1, true);
485 assertEquals(val2, (isStableEnabled ? true : false));
486 assertEquals(val3, (isStableEnabled ? true : false));
487 }
488 }
489 }
490
491 /* ==================================================== */
492
493 static class NestedStableField1 {
494 static class A {
495 public @Stable boolean a;
496 public @Stable A next;
497 }
498 public @Stable A v;
499
500 public static final NestedStableField1 c = new NestedStableField1();
501 public static A get() { return c.v.next.next.next.next.next.next.next; }
502 public static boolean get1() { return get().a; }
503
504 public static void test() throws Exception {
505 {
506 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
507 c.v.a = true; c.v.next.a = true; A val1 = get();
508 c.v.a = false; c.v.next.a = false; A val2 = get();
509
510 assertEquals(val1.a, false);
511 assertEquals(val2.a, false);
512 }
513
514 {
515 c.v = new A(); c.v.next = c.v;
516 c.v.a = true; boolean val1 = get1();
517 c.v.a = false; boolean val2 = get1();
518 c.v = new A(); c.v.next = c.v;
519 c.v.a = false; boolean val3 = get1();
520
521 assertEquals(val1, true);
522 assertEquals(val2, (isStableEnabled ? true : false));
523 assertEquals(val3, (isStableEnabled ? true : false));
524 }
525 }
526 }
527 /* ==================================================== */
528
529 static class NestedStableField2 {
530 static class A {
531 public @Stable boolean a;
532 public @Stable A left;
533 public A right;
534 }
535
536 public @Stable A v;
537
538 public static final NestedStableField2 c = new NestedStableField2();
539 public static boolean get() { return c.v.left.left.left.a; }
540 public static boolean get1() { return c.v.left.left.right.left.a; }
541
542 public static void test() throws Exception {
543 {
544 c.v = new A(); c.v.left = c.v.right = c.v;
545 c.v.a = true; boolean val1 = get(); boolean val2 = get1();
546 c.v.a = false; boolean val3 = get(); boolean val4 = get1();
547
548 assertEquals(val1, true);
549 assertEquals(val3, (isStableEnabled ? true : false));
550
551 assertEquals(val2, true);
552 assertEquals(val4, false);
553 }
554 }
555 }
556
557 /* ==================================================== */
558
559 static class NestedStableField3 {
560 static class A {
561 public @Stable boolean a;
562 public @Stable A[] left;
563 public A[] right;
564 }
565
566 public @Stable A[] v;
567
568 public static final NestedStableField3 c = new NestedStableField3();
569 public static boolean get() { return c.v[0].left[1].left[0].left[1].a; }
570 public static boolean get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
571
572 public static void test() throws Exception {
573 {
574 A elem = new A();
575 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
576 elem.a = true; boolean val1 = get(); boolean val2 = get1();
577 elem.a = false; boolean val3 = get(); boolean val4 = get1();
578
579 assertEquals(val1, true);
580 assertEquals(val3, (isStableEnabled ? true : false));
581
582 assertEquals(val2, true);
583 assertEquals(val4, false);
584 }
585 }
586 }
587
588 /* ==================================================== */
589 // Auxiliary methods
590 static void assertEquals(boolean i, boolean j) { if (i != j) throw new AssertionError(i + " != " + j); }
591 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
592
593 static boolean failed = false;
594
595 public static void run(Class<?> test) {
596 Throwable ex = null;
597 System.out.print(test.getName()+": ");
598 try {
599 test.getMethod("test").invoke(null);
600 } catch (InvocationTargetException e) {
601 ex = e.getCause();
602 } catch (Throwable e) {
603 ex = e;
604 } finally {
605 if (ex == null) {
606 System.out.println("PASSED");
607 } else {
608 failed = true;
609 System.out.println("FAILED");
610 ex.printStackTrace(System.out);
611 }
612 }
613 }
614
615 static final boolean isStableEnabled;
616 static {
617 HotSpotDiagnosticMXBean diagnostic
618 = ManagementFactoryHelper.getDiagnosticMXBean();
619 VMOption tmp;
620 try {
621 tmp = diagnostic.getVMOption("FoldStableValues");
622 } catch (IllegalArgumentException e) {
623 tmp = null;
624 }
625 isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue()));
626 }
627 }