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 /test/lib
30 * @build TestStableBoolean StableConfiguration sun.hotspot.WhiteBox
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
32 * @run main ClassFileInstaller
33 * java/lang/invoke/StableConfiguration
34 * java/lang/invoke/TestStableBoolean
35 * java/lang/invoke/TestStableBoolean$BooleanStable
36 * java/lang/invoke/TestStableBoolean$StaticBooleanStable
37 * java/lang/invoke/TestStableBoolean$VolatileBooleanStable
38 * java/lang/invoke/TestStableBoolean$BooleanArrayDim1
39 * java/lang/invoke/TestStableBoolean$BooleanArrayDim2
40 * java/lang/invoke/TestStableBoolean$BooleanArrayDim3
41 * java/lang/invoke/TestStableBoolean$BooleanArrayDim4
42 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim0
43 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim1
44 * java/lang/invoke/TestStableBoolean$NestedStableField
45 * java/lang/invoke/TestStableBoolean$NestedStableField$A
46 * java/lang/invoke/TestStableBoolean$NestedStableField1
47 * java/lang/invoke/TestStableBoolean$NestedStableField1$A
48 * java/lang/invoke/TestStableBoolean$NestedStableField2
49 * java/lang/invoke/TestStableBoolean$NestedStableField2$A
50 * java/lang/invoke/TestStableBoolean$NestedStableField3
51 * java/lang/invoke/TestStableBoolean$NestedStableField3$A
52 * java/lang/invoke/TestStableBoolean$DefaultValue
53 * java/lang/invoke/TestStableBoolean$DefaultStaticValue
54 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim2
55 *
56 * @run main/othervm -Xbootclasspath/a:.
57 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
58 * -XX:-TieredCompilation
59 * -XX:+FoldStableValues
60 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
61 * java.lang.invoke.TestStableBoolean
62 * @run main/othervm -Xbootclasspath/a:.
63 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
64 * -XX:-TieredCompilation
65 * -XX:-FoldStableValues
66 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
67 * java.lang.invoke.TestStableBoolean
68 *
69 * @run main/othervm -Xbootclasspath/a:.
70 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
71 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1
72 * -XX:+FoldStableValues
73 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
74 * java.lang.invoke.TestStableBoolean
75 * @run main/othervm -Xbootclasspath/a:.
76 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
77 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1
78 * -XX:-FoldStableValues
79 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
80 * java.lang.invoke.TestStableBoolean
81 *
82 */
83 package java.lang.invoke;
84
85 import jdk.internal.vm.annotation.Stable;
86
87 import java.lang.reflect.InvocationTargetException;
88
89 public class TestStableBoolean {
90 static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
91
92 public static void main(String[] args) throws Exception {
93 run(DefaultValue.class);
94 run(BooleanStable.class);
95 run(DefaultStaticValue.class);
96 run(StaticBooleanStable.class);
97 run(VolatileBooleanStable.class);
98
99 // @Stable arrays: Dim 1-4
100 run(BooleanArrayDim1.class);
101 run(BooleanArrayDim2.class);
102 run(BooleanArrayDim3.class);
103 run(BooleanArrayDim4.class);
104
105 // @Stable Object field: dynamic arrays
106 run(ObjectArrayLowerDim0.class);
107 run(ObjectArrayLowerDim1.class);
108 run(ObjectArrayLowerDim2.class);
109
110 // Nested @Stable fields
111 run(NestedStableField.class);
112 run(NestedStableField1.class);
113 run(NestedStableField2.class);
114 run(NestedStableField3.class);
115
116 if (failed) {
117 throw new Error("TEST FAILED");
118 }
119 }
120
121 /* ==================================================== */
122
123 static class DefaultValue {
124 public @Stable boolean v;
125
126 public static final DefaultValue c = new DefaultValue();
127 public static boolean get() { return c.v; }
128 public static void test() throws Exception {
129 boolean val1 = get();
130 c.v = true; boolean val2 = get();
131 assertEquals(val1, false);
132 assertEquals(val2, true);
133 }
134 }
135
136 /* ==================================================== */
137
138 static class BooleanStable {
139 public @Stable boolean v;
140
141 public static final BooleanStable c = new BooleanStable();
142 public static boolean get() { return c.v; }
143 public static void test() throws Exception {
144 c.v = true; boolean val1 = get();
145 c.v = false; boolean val2 = get();
146 assertEquals(val1, true);
147 assertEquals(val2, (isStableEnabled ? true : false));
148 }
149 }
150
151 /* ==================================================== */
152
153 static class DefaultStaticValue {
154 public static @Stable boolean v;
155
156 public static final DefaultStaticValue c = new DefaultStaticValue();
157 public static boolean get() { return c.v; }
158 public static void test() throws Exception {
159 boolean val1 = get();
160 c.v = true; boolean val2 = get();
161 assertEquals(val1, false);
162 assertEquals(val2, true);
163 }
164 }
165
166 /* ==================================================== */
167
168 static class StaticBooleanStable {
169 public static @Stable boolean v;
170
171 public static final StaticBooleanStable c = new StaticBooleanStable();
172 public static boolean get() { return c.v; }
173 public static void test() throws Exception {
174 c.v = true; boolean val1 = get();
175 c.v = false; boolean val2 = get();
176 assertEquals(val1, true);
177 assertEquals(val2, (isStableEnabled ? true : false));
178 }
179 }
180
181 /* ==================================================== */
182
183 static class VolatileBooleanStable {
184 public @Stable volatile boolean v;
185
186 public static final VolatileBooleanStable c = new VolatileBooleanStable();
187 public static boolean get() { return c.v; }
188 public static void test() throws Exception {
189 c.v = true; boolean val1 = get();
190 c.v = false; boolean val2 = get();
191 assertEquals(val1, true);
192 assertEquals(val2, (isStableEnabled ? true : false));
193 }
194 }
195
196 /* ==================================================== */
197 // @Stable array == field && all components are stable
198
199 static class BooleanArrayDim1 {
200 public @Stable boolean[] v;
201
202 public static final BooleanArrayDim1 c = new BooleanArrayDim1();
203 public static boolean get() { return c.v[0]; }
204 public static boolean get1() { return c.v[10]; }
205 public static boolean[] get2() { return c.v; }
206 public static void test() throws Exception {
207 {
208 c.v = new boolean[1]; c.v[0] = true; boolean val1 = get();
209 c.v[0] = false; boolean val2 = get();
210 assertEquals(val1, true);
211 assertEquals(val2, (isStableEnabled ? true : false));
212 }
213
214 {
215 c.v = new boolean[20]; c.v[10] = true; boolean val1 = get1();
216 c.v[10] = false; boolean val2 = get1();
217 assertEquals(val1, true);
218 assertEquals(val2, (isStableEnabled ? true : false));
219 }
220
221 {
222 c.v = new boolean[1]; boolean[] val1 = get2();
223 c.v = new boolean[1]; boolean[] val2 = get2();
224 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
225 }
226 }
227 }
228
229 /* ==================================================== */
230
231 static class BooleanArrayDim2 {
232 public @Stable boolean[][] v;
233
234 public static final BooleanArrayDim2 c = new BooleanArrayDim2();
235 public static boolean get() { return c.v[0][0]; }
236 public static boolean[] get1() { return c.v[0]; }
237 public static boolean[][] get2() { return c.v; }
238 public static void test() throws Exception {
239 {
240 c.v = new boolean[1][1]; c.v[0][0] = true; boolean val1 = get();
241 c.v[0][0] = false; boolean val2 = get();
242 assertEquals(val1, true);
243 assertEquals(val2, (isStableEnabled ? true : false));
244
245 c.v = new boolean[1][1]; c.v[0][0] = false; boolean val3 = get();
246 assertEquals(val3, (isStableEnabled ? true : false));
247
248 c.v[0] = new boolean[1]; c.v[0][0] = false; boolean val4 = get();
249 assertEquals(val4, (isStableEnabled ? true : false));
250 }
251
252 {
253 c.v = new boolean[1][1]; boolean[] val1 = get1();
254 c.v[0] = new boolean[1]; boolean[] val2 = get1();
255 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
256 }
257
258 {
259 c.v = new boolean[1][1]; boolean[][] val1 = get2();
260 c.v = new boolean[1][1]; boolean[][] val2 = get2();
261 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
262 }
263 }
264 }
265
266 /* ==================================================== */
267
268 static class BooleanArrayDim3 {
269 public @Stable boolean[][][] v;
270
271 public static final BooleanArrayDim3 c = new BooleanArrayDim3();
272 public static boolean get() { return c.v[0][0][0]; }
273 public static boolean[] get1() { return c.v[0][0]; }
274 public static boolean[][] get2() { return c.v[0]; }
275 public static boolean[][][] get3() { return c.v; }
276 public static void test() throws Exception {
277 {
278 c.v = new boolean[1][1][1]; c.v[0][0][0] = true; boolean val1 = get();
279 c.v[0][0][0] = false; boolean val2 = get();
280 assertEquals(val1, true);
281 assertEquals(val2, (isStableEnabled ? true : false));
282
283 c.v = new boolean[1][1][1]; c.v[0][0][0] = false; boolean val3 = get();
284 assertEquals(val3, (isStableEnabled ? true : false));
285
286 c.v[0] = new boolean[1][1]; c.v[0][0][0] = false; boolean val4 = get();
287 assertEquals(val4, (isStableEnabled ? true : false));
288
289 c.v[0][0] = new boolean[1]; c.v[0][0][0] = false; boolean val5 = get();
290 assertEquals(val5, (isStableEnabled ? true : false));
291 }
292
293 {
294 c.v = new boolean[1][1][1]; boolean[] val1 = get1();
295 c.v[0][0] = new boolean[1]; boolean[] val2 = get1();
296 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
297 }
298
299 {
300 c.v = new boolean[1][1][1]; boolean[][] val1 = get2();
301 c.v[0] = new boolean[1][1]; boolean[][] val2 = get2();
302 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
303 }
304
305 {
306 c.v = new boolean[1][1][1]; boolean[][][] val1 = get3();
307 c.v = new boolean[1][1][1]; boolean[][][] val2 = get3();
308 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
309 }
310 }
311 }
312
313 /* ==================================================== */
314
315 static class BooleanArrayDim4 {
316 public @Stable boolean[][][][] v;
317
318 public static final BooleanArrayDim4 c = new BooleanArrayDim4();
319 public static boolean get() { return c.v[0][0][0][0]; }
320 public static boolean[] get1() { return c.v[0][0][0]; }
321 public static boolean[][] get2() { return c.v[0][0]; }
322 public static boolean[][][] get3() { return c.v[0]; }
323 public static boolean[][][][] get4() { return c.v; }
324 public static void test() throws Exception {
325 {
326 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = true; boolean val1 = get();
327 c.v[0][0][0][0] = false; boolean val2 = get();
328 assertEquals(val1, true);
329 assertEquals(val2, (isStableEnabled ? true : false));
330
331 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = false; boolean val3 = get();
332 assertEquals(val3, (isStableEnabled ? true : false));
333
334 c.v[0] = new boolean[1][1][1]; c.v[0][0][0][0] = false; boolean val4 = get();
335 assertEquals(val4, (isStableEnabled ? true : false));
336
337 c.v[0][0] = new boolean[1][1]; c.v[0][0][0][0] = false; boolean val5 = get();
338 assertEquals(val5, (isStableEnabled ? true : false));
339
340 c.v[0][0][0] = new boolean[1]; c.v[0][0][0][0] = false; boolean val6 = get();
341 assertEquals(val6, (isStableEnabled ? true : false));
342 }
343
344 {
345 c.v = new boolean[1][1][1][1]; boolean[] val1 = get1();
346 c.v[0][0][0] = new boolean[1]; boolean[] val2 = get1();
347 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
348 }
349
350 {
351 c.v = new boolean[1][1][1][1]; boolean[][] val1 = get2();
352 c.v[0][0] = new boolean[1][1]; boolean[][] val2 = get2();
353 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
354 }
355
356 {
357 c.v = new boolean[1][1][1][1]; boolean[][][] val1 = get3();
358 c.v[0] = new boolean[1][1][1]; boolean[][][] val2 = get3();
359 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
360 }
361
362 {
363 c.v = new boolean[1][1][1][1]; boolean[][][][] val1 = get4();
364 c.v = new boolean[1][1][1][1]; boolean[][][][] val2 = get4();
365 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
366 }
367
368 }
369 }
370
371 /* ==================================================== */
372 // Dynamic Dim is higher than static
373
374 static class ObjectArrayLowerDim0 {
375 public @Stable Object v;
376
377 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
378 public static boolean get() { return ((boolean[])c.v)[0]; }
379 public static boolean[] get1() { return (boolean[])c.v; }
380 public static boolean[] get2() { return (boolean[])c.v; }
381
382 public static void test() throws Exception {
383 {
384 c.v = new boolean[1]; ((boolean[])c.v)[0] = true; boolean val1 = get();
385 ((boolean[])c.v)[0] = false; boolean val2 = get();
386
387 assertEquals(val1, true);
388 assertEquals(val2, false);
389 }
390
391 {
392 c.v = new boolean[1]; boolean[] val1 = get1();
393 c.v = new boolean[1]; boolean[] val2 = get1();
394 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
395 }
396 }
397 }
398
399 /* ==================================================== */
400
401 static class ObjectArrayLowerDim1 {
402 public @Stable Object[] v;
403
404 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
405 public static boolean get() { return ((boolean[][])c.v)[0][0]; }
406 public static boolean[] get1() { return (boolean[])(c.v[0]); }
407 public static Object[] get2() { return c.v; }
408
409 public static void test() throws Exception {
410 {
411 c.v = new boolean[1][1]; ((boolean[][])c.v)[0][0] = true; boolean val1 = get();
412 ((boolean[][])c.v)[0][0] = false; boolean val2 = get();
413
414 assertEquals(val1, true);
415 assertEquals(val2, false);
416 }
417
418 {
419 c.v = new boolean[1][1]; c.v[0] = new boolean[0]; boolean[] val1 = get1();
420 c.v[0] = new boolean[0]; boolean[] val2 = get1();
421
422 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
423 }
424
425 {
426 c.v = new boolean[0][0]; Object[] val1 = get2();
427 c.v = new boolean[0][0]; Object[] val2 = get2();
428
429 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
430 }
431 }
432 }
433
434 /* ==================================================== */
435
436 static class ObjectArrayLowerDim2 {
437 public @Stable Object[][] v;
438
439 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
440 public static boolean get() { return ((boolean[][][])c.v)[0][0][0]; }
441 public static boolean[] get1() { return (boolean[])(c.v[0][0]); }
442 public static boolean[][] get2() { return (boolean[][])(c.v[0]); }
443 public static Object[][] get3() { return c.v; }
444
445 public static void test() throws Exception {
446 {
447 c.v = new boolean[1][1][1]; ((boolean[][][])c.v)[0][0][0] = true; boolean val1 = get();
448 ((boolean[][][])c.v)[0][0][0] = false; boolean val2 = get();
449
450 assertEquals(val1, true);
451 assertEquals(val2, false);
452 }
453
454 {
455 c.v = new boolean[1][1][1]; c.v[0][0] = new boolean[0]; boolean[] val1 = get1();
456 c.v[0][0] = new boolean[0]; boolean[] val2 = get1();
457
458 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
459 }
460
461 {
462 c.v = new boolean[1][1][1]; c.v[0] = new boolean[0][0]; boolean[][] val1 = get2();
463 c.v[0] = new boolean[0][0]; boolean[][] val2 = get2();
464
465 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
466 }
467
468 {
469 c.v = new boolean[0][0][0]; Object[][] val1 = get3();
470 c.v = new boolean[0][0][0]; Object[][] val2 = get3();
471
472 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
473 }
474 }
475 }
476
477 /* ==================================================== */
478
479 static class NestedStableField {
480 static class A {
481 public @Stable boolean a;
482
483 }
484 public @Stable A v;
485
486 public static final NestedStableField c = new NestedStableField();
487 public static A get() { return c.v; }
488 public static boolean get1() { return get().a; }
489
490 public static void test() throws Exception {
491 {
492 c.v = new A(); c.v.a = true; A val1 = get();
493 c.v.a = false; A val2 = get();
494
495 assertEquals(val1.a, false);
496 assertEquals(val2.a, false);
497 }
498
499 {
500 c.v = new A(); c.v.a = true; boolean val1 = get1();
501 c.v.a = false; boolean val2 = get1();
502 c.v = new A(); c.v.a = false; boolean val3 = get1();
503
504 assertEquals(val1, true);
505 assertEquals(val2, (isStableEnabled ? true : false));
506 assertEquals(val3, (isStableEnabled ? true : false));
507 }
508 }
509 }
510
511 /* ==================================================== */
512
513 static class NestedStableField1 {
514 static class A {
515 public @Stable boolean a;
516 public @Stable A next;
517 }
518 public @Stable A v;
519
520 public static final NestedStableField1 c = new NestedStableField1();
521 public static A get() { return c.v.next.next.next.next.next.next.next; }
522 public static boolean get1() { return get().a; }
523
524 public static void test() throws Exception {
525 {
526 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
527 c.v.a = true; c.v.next.a = true; A val1 = get();
528 c.v.a = false; c.v.next.a = false; A val2 = get();
529
530 assertEquals(val1.a, false);
531 assertEquals(val2.a, false);
532 }
533
534 {
535 c.v = new A(); c.v.next = c.v;
536 c.v.a = true; boolean val1 = get1();
537 c.v.a = false; boolean val2 = get1();
538 c.v = new A(); c.v.next = c.v;
539 c.v.a = false; boolean val3 = get1();
540
541 assertEquals(val1, true);
542 assertEquals(val2, (isStableEnabled ? true : false));
543 assertEquals(val3, (isStableEnabled ? true : false));
544 }
545 }
546 }
547 /* ==================================================== */
548
549 static class NestedStableField2 {
550 static class A {
551 public @Stable boolean a;
552 public @Stable A left;
553 public A right;
554 }
555
556 public @Stable A v;
557
558 public static final NestedStableField2 c = new NestedStableField2();
559 public static boolean get() { return c.v.left.left.left.a; }
560 public static boolean get1() { return c.v.left.left.right.left.a; }
561
562 public static void test() throws Exception {
563 {
564 c.v = new A(); c.v.left = c.v.right = c.v;
565 c.v.a = true; boolean val1 = get(); boolean val2 = get1();
566 c.v.a = false; boolean val3 = get(); boolean val4 = get1();
567
568 assertEquals(val1, true);
569 assertEquals(val3, (isStableEnabled ? true : false));
570
571 assertEquals(val2, true);
572 assertEquals(val4, false);
573 }
574 }
575 }
576
577 /* ==================================================== */
578
579 static class NestedStableField3 {
580 static class A {
581 public @Stable boolean a;
582 public @Stable A[] left;
583 public A[] right;
584 }
585
586 public @Stable A[] v;
587
588 public static final NestedStableField3 c = new NestedStableField3();
589 public static boolean get() { return c.v[0].left[1].left[0].left[1].a; }
590 public static boolean get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
591
592 public static void test() throws Exception {
593 {
594 A elem = new A();
595 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
596 elem.a = true; boolean val1 = get(); boolean val2 = get1();
597 elem.a = false; boolean val3 = get(); boolean val4 = get1();
598
599 assertEquals(val1, true);
600 assertEquals(val3, (isStableEnabled ? true : false));
601
602 assertEquals(val2, true);
603 assertEquals(val4, false);
604 }
605 }
606 }
607
608 /* ==================================================== */
609 // Auxiliary methods
610 static void assertEquals(boolean i, boolean j) { if (i != j) throw new AssertionError(i + " != " + j); }
611 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
612
613 static boolean failed = false;
614
615 public static void run(Class<?> test) {
616 Throwable ex = null;
617 System.out.print(test.getName()+": ");
618 try {
619 test.getMethod("test").invoke(null);
620 } catch (InvocationTargetException e) {
621 ex = e.getCause();
622 } catch (Throwable e) {
623 ex = e;
624 } finally {
625 if (ex == null) {
626 System.out.println("PASSED");
627 } else {
628 failed = true;
629 System.out.println("FAILED");
630 ex.printStackTrace(System.out);
631 }
632 }
633 }
634 }