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 TestStableByte
28 * @summary tests on stable fields and arrays
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestStableByte StableConfiguration sun.hotspot.WhiteBox
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
32 * @run main ClassFileInstaller
33 * java/lang/invoke/StableConfiguration
34 * java/lang/invoke/TestStableByte
35 * java/lang/invoke/TestStableByte$ByteStable
36 * java/lang/invoke/TestStableByte$StaticByteStable
37 * java/lang/invoke/TestStableByte$VolatileByteStable
38 * java/lang/invoke/TestStableByte$ByteArrayDim1
39 * java/lang/invoke/TestStableByte$ByteArrayDim2
40 * java/lang/invoke/TestStableByte$ByteArrayDim3
41 * java/lang/invoke/TestStableByte$ByteArrayDim4
42 * java/lang/invoke/TestStableByte$ObjectArrayLowerDim0
43 * java/lang/invoke/TestStableByte$ObjectArrayLowerDim1
44 * java/lang/invoke/TestStableByte$NestedStableField
45 * java/lang/invoke/TestStableByte$NestedStableField$A
46 * java/lang/invoke/TestStableByte$NestedStableField1
47 * java/lang/invoke/TestStableByte$NestedStableField1$A
48 * java/lang/invoke/TestStableByte$NestedStableField2
49 * java/lang/invoke/TestStableByte$NestedStableField2$A
50 * java/lang/invoke/TestStableByte$NestedStableField3
51 * java/lang/invoke/TestStableByte$NestedStableField3$A
52 * java/lang/invoke/TestStableByte$DefaultValue
53 * java/lang/invoke/TestStableByte$DefaultStaticValue
54 * java/lang/invoke/TestStableByte$ObjectArrayLowerDim2
55 *
56 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
57 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
58 * -server -XX:-TieredCompilation
59 * -XX:+FoldStableValues
60 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
61 * java.lang.invoke.TestStableByte
62 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
63 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
64 * -server -XX:-TieredCompilation
65 * -XX:-FoldStableValues
66 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
67 * java.lang.invoke.TestStableByte
68 *
69 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
70 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
71 * -server -XX:+TieredCompilation -XX:TieredStopAtLevel=1
72 * -XX:+FoldStableValues
73 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
74 * java.lang.invoke.TestStableByte
75 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
76 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
77 * -server -XX:+TieredCompilation -XX:TieredStopAtLevel=1
78 * -XX:-FoldStableValues
79 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
80 * java.lang.invoke.TestStableByte
81 *
82 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
83 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
84 * -client -XX:-TieredCompilation
85 * -XX:+FoldStableValues
86 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
87 * java.lang.invoke.TestStableByte
88 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
89 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
90 * -client -XX:-TieredCompilation
91 * -XX:-FoldStableValues
92 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
93 * java.lang.invoke.TestStableByte
94 */
95 package java.lang.invoke;
96
97 import java.lang.reflect.InvocationTargetException;
98
99 public class TestStableByte {
100 static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
101 static final boolean isServerWithStable = StableConfiguration.isServerWithStable;
102
103 public static void main(String[] args) throws Exception {
104 run(DefaultValue.class);
105 run(ByteStable.class);
106 run(DefaultStaticValue.class);
107 run(StaticByteStable.class);
108 run(VolatileByteStable.class);
109
110 // @Stable arrays: Dim 1-4
111 run(ByteArrayDim1.class);
112 run(ByteArrayDim2.class);
113 run(ByteArrayDim3.class);
114 run(ByteArrayDim4.class);
115
116 // @Stable Object field: dynamic arrays
117 run(ObjectArrayLowerDim0.class);
118 run(ObjectArrayLowerDim1.class);
119 run(ObjectArrayLowerDim2.class);
120
121 // Nested @Stable fields
122 run(NestedStableField.class);
123 run(NestedStableField1.class);
124 run(NestedStableField2.class);
125 run(NestedStableField3.class);
126
127 if (failed) {
128 throw new Error("TEST FAILED");
129 }
130 }
131
132 /* ==================================================== */
133
134 static class DefaultValue {
135 public @Stable byte v;
136
137 public static final DefaultValue c = new DefaultValue();
138 public static byte get() { return c.v; }
139 public static void test() throws Exception {
140 byte val1 = get();
141 c.v = 1; byte val2 = get();
142 assertEquals(val1, 0);
143 assertEquals(val2, 1);
144 }
145 }
146
147 /* ==================================================== */
148
149 static class ByteStable {
150 public @Stable byte v;
151
152 public static final ByteStable c = new ByteStable();
153 public static byte get() { return c.v; }
154 public static void test() throws Exception {
155 c.v = 5; byte val1 = get();
156 c.v = 127; byte val2 = get();
157 assertEquals(val1, 5);
158 assertEquals(val2, (isStableEnabled ? 5 : 127));
159 }
160 }
161
162 /* ==================================================== */
163
164 static class DefaultStaticValue {
165 public static @Stable byte v;
166
167 public static final DefaultStaticValue c = new DefaultStaticValue();
168 public static byte get() { return c.v; }
169 public static void test() throws Exception {
170 byte val1 = get();
171 c.v = 1; byte val2 = get();
172 assertEquals(val1, 0);
173 assertEquals(val2, 1);
174 }
175 }
176
177 /* ==================================================== */
178
179 static class StaticByteStable {
180 public static @Stable byte v;
181
182 public static final StaticByteStable c = new StaticByteStable();
183 public static byte get() { return c.v; }
184 public static void test() throws Exception {
185 c.v = 5; byte val1 = get();
186 c.v = 127; byte val2 = get();
187 assertEquals(val1, 5);
188 assertEquals(val2, (isStableEnabled ? 5 : 127));
189 }
190 }
191
192 /* ==================================================== */
193
194 static class VolatileByteStable {
195 public @Stable volatile byte v;
196
197 public static final VolatileByteStable c = new VolatileByteStable();
198 public static byte get() { return c.v; }
199 public static void test() throws Exception {
200 c.v = 5; byte val1 = get();
201 c.v = 127; byte val2 = get();
202 assertEquals(val1, 5);
203 assertEquals(val2, (isStableEnabled ? 5 : 127));
204 }
205 }
206
207 /* ==================================================== */
208 // @Stable array == field && all components are stable
209
210 static class ByteArrayDim1 {
211 public @Stable byte[] v;
212
213 public static final ByteArrayDim1 c = new ByteArrayDim1();
214 public static byte get() { return c.v[0]; }
215 public static byte get1() { return c.v[10]; }
216 public static byte[] get2() { return c.v; }
217 public static void test() throws Exception {
218 {
219 c.v = new byte[1]; c.v[0] = 1; byte val1 = get();
220 c.v[0] = 2; byte val2 = get();
221 assertEquals(val1, 1);
222 assertEquals(val2, (isServerWithStable ? 1 : 2));
223
224 c.v = new byte[1]; c.v[0] = 3; byte val3 = get();
225 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
226 : 3));
227 }
228
229 {
230 c.v = new byte[20]; c.v[10] = 1; byte val1 = get1();
231 c.v[10] = 2; byte val2 = get1();
232 assertEquals(val1, 1);
233 assertEquals(val2, (isServerWithStable ? 1 : 2));
234
235 c.v = new byte[20]; c.v[10] = 3; byte val3 = get1();
236 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
237 : 3));
238 }
239
240 {
241 c.v = new byte[1]; byte[] val1 = get2();
242 c.v = new byte[1]; byte[] val2 = get2();
243 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
244 }
245 }
246 }
247
248 /* ==================================================== */
249
250 static class ByteArrayDim2 {
251 public @Stable byte[][] v;
252
253 public static final ByteArrayDim2 c = new ByteArrayDim2();
254 public static byte get() { return c.v[0][0]; }
255 public static byte[] get1() { return c.v[0]; }
256 public static byte[][] get2() { return c.v; }
257 public static void test() throws Exception {
258 {
259 c.v = new byte[1][1]; c.v[0][0] = 1; byte val1 = get();
260 c.v[0][0] = 2; byte val2 = get();
261 assertEquals(val1, 1);
262 assertEquals(val2, (isServerWithStable ? 1 : 2));
263
264 c.v = new byte[1][1]; c.v[0][0] = 3; byte val3 = get();
265 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
266 : 3));
267
268 c.v[0] = new byte[1]; c.v[0][0] = 4; byte val4 = get();
269 assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1 : 2)
270 : 4));
271 }
272
273 {
274 c.v = new byte[1][1]; byte[] val1 = get1();
275 c.v[0] = new byte[1]; byte[] val2 = get1();
276 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
277 }
278
279 {
280 c.v = new byte[1][1]; byte[][] val1 = get2();
281 c.v = new byte[1][1]; byte[][] val2 = get2();
282 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
283 }
284 }
285 }
286
287 /* ==================================================== */
288
289 static class ByteArrayDim3 {
290 public @Stable byte[][][] v;
291
292 public static final ByteArrayDim3 c = new ByteArrayDim3();
293 public static byte get() { return c.v[0][0][0]; }
294 public static byte[] get1() { return c.v[0][0]; }
295 public static byte[][] get2() { return c.v[0]; }
296 public static byte[][][] get3() { return c.v; }
297 public static void test() throws Exception {
298 {
299 c.v = new byte[1][1][1]; c.v[0][0][0] = 1; byte val1 = get();
300 c.v[0][0][0] = 2; byte val2 = get();
301 assertEquals(val1, 1);
302 assertEquals(val2, (isServerWithStable ? 1 : 2));
303
304 c.v = new byte[1][1][1]; c.v[0][0][0] = 3; byte val3 = get();
305 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
306 : 3));
307
308 c.v[0] = new byte[1][1]; c.v[0][0][0] = 4; byte val4 = get();
309 assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1 : 2)
310 : 4));
311
312 c.v[0][0] = new byte[1]; c.v[0][0][0] = 5; byte val5 = get();
313 assertEquals(val5, (isStableEnabled ? (isServerWithStable ? 1 : 2)
314 : 5));
315 }
316
317 {
318 c.v = new byte[1][1][1]; byte[] val1 = get1();
319 c.v[0][0] = new byte[1]; byte[] val2 = get1();
320 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
321 }
322
323 {
324 c.v = new byte[1][1][1]; byte[][] val1 = get2();
325 c.v[0] = new byte[1][1]; byte[][] val2 = get2();
326 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
327 }
328
329 {
330 c.v = new byte[1][1][1]; byte[][][] val1 = get3();
331 c.v = new byte[1][1][1]; byte[][][] val2 = get3();
332 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
333 }
334 }
335 }
336
337 /* ==================================================== */
338
339 static class ByteArrayDim4 {
340 public @Stable byte[][][][] v;
341
342 public static final ByteArrayDim4 c = new ByteArrayDim4();
343 public static byte get() { return c.v[0][0][0][0]; }
344 public static byte[] get1() { return c.v[0][0][0]; }
345 public static byte[][] get2() { return c.v[0][0]; }
346 public static byte[][][] get3() { return c.v[0]; }
347 public static byte[][][][] get4() { return c.v; }
348 public static void test() throws Exception {
349 {
350 c.v = new byte[1][1][1][1]; c.v[0][0][0][0] = 1; byte val1 = get();
351 c.v[0][0][0][0] = 2; byte val2 = get();
352 assertEquals(val1, 1);
353 assertEquals(val2, (isServerWithStable ? 1 : 2));
354
355 c.v = new byte[1][1][1][1]; c.v[0][0][0][0] = 3; byte val3 = get();
356 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
357 : 3));
358
359 c.v[0] = new byte[1][1][1]; c.v[0][0][0][0] = 4; byte val4 = get();
360 assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1 : 2)
361 : 4));
362
363 c.v[0][0] = new byte[1][1]; c.v[0][0][0][0] = 5; byte val5 = get();
364 assertEquals(val5, (isStableEnabled ? (isServerWithStable ? 1 : 2)
365 : 5));
366
367 c.v[0][0][0] = new byte[1]; c.v[0][0][0][0] = 6; byte val6 = get();
368 assertEquals(val6, (isStableEnabled ? (isServerWithStable ? 1 : 2)
369 : 6));
370 }
371
372 {
373 c.v = new byte[1][1][1][1]; byte[] val1 = get1();
374 c.v[0][0][0] = new byte[1]; byte[] val2 = get1();
375 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
376 }
377
378 {
379 c.v = new byte[1][1][1][1]; byte[][] val1 = get2();
380 c.v[0][0] = new byte[1][1]; byte[][] val2 = get2();
381 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
382 }
383
384 {
385 c.v = new byte[1][1][1][1]; byte[][][] val1 = get3();
386 c.v[0] = new byte[1][1][1]; byte[][][] val2 = get3();
387 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
388 }
389
390 {
391 c.v = new byte[1][1][1][1]; byte[][][][] val1 = get4();
392 c.v = new byte[1][1][1][1]; byte[][][][] val2 = get4();
393 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
394 }
395
396 }
397 }
398
399 /* ==================================================== */
400 // Dynamic Dim is higher than static
401
402 static class ObjectArrayLowerDim0 {
403 public @Stable Object v;
404
405 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
406 public static byte get() { return ((byte[])c.v)[0]; }
407 public static byte[] get1() { return (byte[])c.v; }
408
409 public static void test() throws Exception {
410 {
411 c.v = new byte[1]; ((byte[])c.v)[0] = 1; byte val1 = get();
412 ((byte[])c.v)[0] = 2; byte val2 = get();
413
414 assertEquals(val1, 1);
415 assertEquals(val2, 2);
416 }
417
418 {
419 c.v = new byte[1]; byte[] val1 = get1();
420 c.v = new byte[1]; byte[] val2 = get1();
421 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
422 }
423 }
424 }
425
426 /* ==================================================== */
427
428 static class ObjectArrayLowerDim1 {
429 public @Stable Object[] v;
430
431 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
432 public static byte get() { return ((byte[][])c.v)[0][0]; }
433 public static byte[] get1() { return (byte[])(c.v[0]); }
434 public static Object[] get2() { return c.v; }
435
436 public static void test() throws Exception {
437 {
438 c.v = new byte[1][1]; ((byte[][])c.v)[0][0] = 1; byte val1 = get();
439 ((byte[][])c.v)[0][0] = 2; byte val2 = get();
440
441 assertEquals(val1, 1);
442 assertEquals(val2, 2);
443 }
444
445 {
446 c.v = new byte[1][1]; c.v[0] = new byte[0]; byte[] val1 = get1();
447 c.v[0] = new byte[0]; byte[] val2 = get1();
448
449 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
450 }
451
452 {
453 c.v = new byte[0][0]; Object[] val1 = get2();
454 c.v = new byte[0][0]; Object[] val2 = get2();
455
456 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
457 }
458 }
459 }
460
461 /* ==================================================== */
462
463 static class ObjectArrayLowerDim2 {
464 public @Stable Object[][] v;
465
466 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
467 public static byte get() { return ((byte[][][])c.v)[0][0][0]; }
468 public static byte[] get1() { return (byte[])(c.v[0][0]); }
469 public static byte[][] get2() { return (byte[][])(c.v[0]); }
470 public static Object[][] get3() { return c.v; }
471
472 public static void test() throws Exception {
473 {
474 c.v = new byte[1][1][1]; ((byte[][][])c.v)[0][0][0] = 1; byte val1 = get();
475 ((byte[][][])c.v)[0][0][0] = 2; byte val2 = get();
476
477 assertEquals(val1, 1);
478 assertEquals(val2, 2);
479 }
480
481 {
482 c.v = new byte[1][1][1]; c.v[0][0] = new byte[0]; byte[] val1 = get1();
483 c.v[0][0] = new byte[0]; byte[] val2 = get1();
484
485 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
486 }
487
488 {
489 c.v = new byte[1][1][1]; c.v[0] = new byte[0][0]; byte[][] val1 = get2();
490 c.v[0] = new byte[0][0]; byte[][] val2 = get2();
491
492 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
493 }
494
495 {
496 c.v = new byte[0][0][0]; Object[][] val1 = get3();
497 c.v = new byte[0][0][0]; Object[][] val2 = get3();
498
499 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
500 }
501 }
502 }
503
504 /* ==================================================== */
505
506 static class NestedStableField {
507 static class A {
508 public @Stable byte a;
509
510 }
511 public @Stable A v;
512
513 public static final NestedStableField c = new NestedStableField();
514 public static A get() { return c.v; }
515 public static byte get1() { return get().a; }
516
517 public static void test() throws Exception {
518 {
519 c.v = new A(); c.v.a = 1; A val1 = get();
520 c.v.a = 2; A val2 = get();
521
522 assertEquals(val1.a, 2);
523 assertEquals(val2.a, 2);
524 }
525
526 {
527 c.v = new A(); c.v.a = 1; byte val1 = get1();
528 c.v.a = 2; byte val2 = get1();
529 c.v = new A(); c.v.a = 3; byte val3 = get1();
530
531 assertEquals(val1, 1);
532 assertEquals(val2, (isStableEnabled ? 1 : 2));
533 assertEquals(val3, (isStableEnabled ? 1 : 3));
534 }
535 }
536 }
537
538 /* ==================================================== */
539
540 static class NestedStableField1 {
541 static class A {
542 public @Stable byte a;
543 public @Stable A next;
544 }
545 public @Stable A v;
546
547 public static final NestedStableField1 c = new NestedStableField1();
548 public static A get() { return c.v.next.next.next.next.next.next.next; }
549 public static byte get1() { return get().a; }
550
551 public static void test() throws Exception {
552 {
553 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
554 c.v.a = 1; c.v.next.a = 1; A val1 = get();
555 c.v.a = 2; c.v.next.a = 2; A val2 = get();
556
557 assertEquals(val1.a, 2);
558 assertEquals(val2.a, 2);
559 }
560
561 {
562 c.v = new A(); c.v.next = c.v;
563 c.v.a = 1; byte val1 = get1();
564 c.v.a = 2; byte val2 = get1();
565 c.v = new A(); c.v.next = c.v;
566 c.v.a = 3; byte val3 = get1();
567
568 assertEquals(val1, 1);
569 assertEquals(val2, (isStableEnabled ? 1 : 2));
570 assertEquals(val3, (isStableEnabled ? 1 : 3));
571 }
572 }
573 }
574 /* ==================================================== */
575
576 static class NestedStableField2 {
577 static class A {
578 public @Stable byte a;
579 public @Stable A left;
580 public A right;
581 }
582
583 public @Stable A v;
584
585 public static final NestedStableField2 c = new NestedStableField2();
586 public static byte get() { return c.v.left.left.left.a; }
587 public static byte get1() { return c.v.left.left.right.left.a; }
588
589 public static void test() throws Exception {
590 {
591 c.v = new A(); c.v.left = c.v.right = c.v;
592 c.v.a = 1; byte val1 = get(); byte val2 = get1();
593 c.v.a = 2; byte val3 = get(); byte val4 = get1();
594
595 assertEquals(val1, 1);
596 assertEquals(val3, (isStableEnabled ? 1 : 2));
597
598 assertEquals(val2, 1);
599 assertEquals(val4, 2);
600 }
601 }
602 }
603
604 /* ==================================================== */
605
606 static class NestedStableField3 {
607 static class A {
608 public @Stable byte a;
609 public @Stable A[] left;
610 public A[] right;
611 }
612
613 public @Stable A[] v;
614
615 public static final NestedStableField3 c = new NestedStableField3();
616 public static byte get() { return c.v[0].left[1].left[0].left[1].a; }
617 public static byte get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
618
619 public static void test() throws Exception {
620 {
621 A elem = new A();
622 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
623 elem.a = 1; byte val1 = get(); byte val2 = get1();
624 elem.a = 2; byte val3 = get(); byte val4 = get1();
625
626 assertEquals(val1, 1);
627 assertEquals(val3, (isServerWithStable ? 1 : 2));
628
629 assertEquals(val2, 1);
630 assertEquals(val4, 2);
631 }
632 }
633 }
634
635 /* ==================================================== */
636 // Auxiliary methods
637 static void assertEquals(int i, int j) { if (i != j) throw new AssertionError(i + " != " + j); }
638 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
639
640 static boolean failed = false;
641
642 public static void run(Class<?> test) {
643 Throwable ex = null;
644 System.out.print(test.getName()+": ");
645 try {
646 test.getMethod("test").invoke(null);
647 } catch (InvocationTargetException e) {
648 ex = e.getCause();
649 } catch (Throwable e) {
650 ex = e;
651 } finally {
652 if (ex == null) {
653 System.out.println("PASSED");
654 } else {
655 failed = true;
656 System.out.println("FAILED");
657 ex.printStackTrace(System.out);
658 }
659 }
660 }
661 }