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 TestStableDouble
28 * @summary tests on stable fields and arrays
29 * @library /testlibrary /../../test/lib
30 * @build TestStableDouble StableConfiguration jdk.testlib.WhiteBox
31 * @run main ClassFileInstaller jdk.testlib.WhiteBox jdk.testlib.WhiteBox$WhiteBoxPermission
32 * @run main ClassFileInstaller
33 * java/lang/invoke/StableConfiguration
34 * java/lang/invoke/TestStableDouble
35 * java/lang/invoke/TestStableDouble$DoubleStable
36 * java/lang/invoke/TestStableDouble$StaticDoubleStable
37 * java/lang/invoke/TestStableDouble$VolatileDoubleStable
38 * java/lang/invoke/TestStableDouble$DoubleArrayDim1
39 * java/lang/invoke/TestStableDouble$DoubleArrayDim2
40 * java/lang/invoke/TestStableDouble$DoubleArrayDim3
41 * java/lang/invoke/TestStableDouble$DoubleArrayDim4
42 * java/lang/invoke/TestStableDouble$ObjectArrayLowerDim0
43 * java/lang/invoke/TestStableDouble$ObjectArrayLowerDim1
44 * java/lang/invoke/TestStableDouble$NestedStableField
45 * java/lang/invoke/TestStableDouble$NestedStableField$A
46 * java/lang/invoke/TestStableDouble$NestedStableField1
47 * java/lang/invoke/TestStableDouble$NestedStableField1$A
48 * java/lang/invoke/TestStableDouble$NestedStableField2
49 * java/lang/invoke/TestStableDouble$NestedStableField2$A
50 * java/lang/invoke/TestStableDouble$NestedStableField3
51 * java/lang/invoke/TestStableDouble$NestedStableField3$A
52 * java/lang/invoke/TestStableDouble$DefaultValue
53 * java/lang/invoke/TestStableDouble$DefaultStaticValue
54 * java/lang/invoke/TestStableDouble$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.TestStableDouble
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.TestStableDouble
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.TestStableDouble
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.TestStableDouble
81 *
82 */
83 package java.lang.invoke;
84
85 import java.lang.reflect.InvocationTargetException;
86
87 public class TestStableDouble {
88 static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
89 static final boolean isServerWithStable = StableConfiguration.isServerWithStable;
90
91 public static void main(String[] args) throws Exception {
92 run(DefaultValue.class);
93 run(DoubleStable.class);
94 run(DefaultStaticValue.class);
95 run(StaticDoubleStable.class);
96 run(VolatileDoubleStable.class);
97
98 // @Stable arrays: Dim 1-4
99 run(DoubleArrayDim1.class);
100 run(DoubleArrayDim2.class);
101 run(DoubleArrayDim3.class);
102 run(DoubleArrayDim4.class);
103
104 // @Stable Object field: dynamic arrays
105 run(ObjectArrayLowerDim0.class);
106 run(ObjectArrayLowerDim1.class);
107 run(ObjectArrayLowerDim2.class);
108
109 // Nested @Stable fields
110 run(NestedStableField.class);
111 run(NestedStableField1.class);
112 run(NestedStableField2.class);
113 run(NestedStableField3.class);
114
115 if (failed) {
116 throw new Error("TEST FAILED");
117 }
118 }
119
120 /* ==================================================== */
121
122 static class DefaultValue {
123 public @Stable double v;
124
125 public static final DefaultValue c = new DefaultValue();
126 public static double get() { return c.v; }
127 public static void test() throws Exception {
128 double val1 = get();
129 c.v = 1.0; double val2 = get();
130 assertEquals(val1, 0);
131 assertEquals(val2, 1.0);
132 }
133 }
134
135 /* ==================================================== */
136
137 static class DoubleStable {
138 public @Stable double v;
139
140 public static final DoubleStable c = new DoubleStable();
141 public static double get() { return c.v; }
142 public static void test() throws Exception {
143 c.v = 1.0; double val1 = get();
144 c.v = Double.MAX_VALUE; double val2 = get();
145 assertEquals(val1, 1.0);
146 assertEquals(val2, (isStableEnabled ? 1.0 : Double.MAX_VALUE));
147 }
148 }
149
150 /* ==================================================== */
151
152 static class DefaultStaticValue {
153 public static @Stable double v;
154
155 public static final DefaultStaticValue c = new DefaultStaticValue();
156 public static double get() { return c.v; }
157 public static void test() throws Exception {
158 double val1 = get();
159 c.v = 1.0; double val2 = get();
160 assertEquals(val1, 0);
161 assertEquals(val2, 1.0);
162 }
163 }
164
165 /* ==================================================== */
166
167 static class StaticDoubleStable {
168 public static @Stable double v;
169
170 public static final StaticDoubleStable c = new StaticDoubleStable();
171 public static double get() { return c.v; }
172 public static void test() throws Exception {
173 c.v = 1.0; double val1 = get();
174 c.v = Double.MAX_VALUE; double val2 = get();
175 assertEquals(val1, 1.0);
176 assertEquals(val2, (isStableEnabled ? 1.0 : Double.MAX_VALUE));
177 }
178 }
179
180 /* ==================================================== */
181
182 static class VolatileDoubleStable {
183 public @Stable double v;
184
185 public static final VolatileDoubleStable c = new VolatileDoubleStable();
186 public static double get() { return c.v; }
187 public static void test() throws Exception {
188 c.v = 1.0; double val1 = get();
189 c.v = Double.MAX_VALUE; double val2 = get();
190 assertEquals(val1, 1.0);
191 assertEquals(val2, (isStableEnabled ? 1.0 : Double.MAX_VALUE));
192 }
193 }
194
195 /* ==================================================== */
196 // @Stable array == field && all components are stable
197
198 static class DoubleArrayDim1 {
199 public @Stable double[] v;
200
201 public static final DoubleArrayDim1 c = new DoubleArrayDim1();
202 public static double get() { return c.v[0]; }
203 public static double get1() { return c.v[10]; }
204 public static double[] get2() { return c.v; }
205 public static void test() throws Exception {
206 {
207 c.v = new double[1]; c.v[0] = 1.0; double val1 = get();
208 c.v[0] = 2.0; double val2 = get();
209 assertEquals(val1, 1.0);
210 assertEquals(val2, (isServerWithStable ? 1.0 : 2.0));
211
212 c.v = new double[1]; c.v[0] = 3.0; double val3 = get();
213 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
214 : 3.0));
215 }
216
217 {
218 c.v = new double[20]; c.v[10] = 1.0; double val1 = get1();
219 c.v[10] = 2.0; double val2 = get1();
220 assertEquals(val1, 1.0);
221 assertEquals(val2, (isServerWithStable ? 1.0 : 2.0));
222
223 c.v = new double[20]; c.v[10] = 3.0; double val3 = get1();
224 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
225 : 3.0));
226 }
227
228 {
229 c.v = new double[1]; double[] val1 = get2();
230 c.v = new double[1]; double[] val2 = get2();
231 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
232 }
233 }
234 }
235
236 /* ==================================================== */
237
238 static class DoubleArrayDim2 {
239 public @Stable double[][] v;
240
241 public static final DoubleArrayDim2 c = new DoubleArrayDim2();
242 public static double get() { return c.v[0][0]; }
243 public static double[] get1() { return c.v[0]; }
244 public static double[][] get2() { return c.v; }
245 public static void test() throws Exception {
246 {
247 c.v = new double[1][1]; c.v[0][0] = 1.0; double val1 = get();
248 c.v[0][0] = 2.0; double val2 = get();
249 assertEquals(val1, 1.0);
250 assertEquals(val2, (isServerWithStable ? 1.0 : 2.0));
251
252 c.v = new double[1][1]; c.v[0][0] = 3.0; double val3 = get();
253 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
254 : 3.0));
255
256 c.v[0] = new double[1]; c.v[0][0] = 4.0; double val4 = get();
257 assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
258 : 4.0));
259 }
260
261 {
262 c.v = new double[1][1]; double[] val1 = get1();
263 c.v[0] = new double[1]; double[] val2 = get1();
264 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
265 }
266
267 {
268 c.v = new double[1][1]; double[][] val1 = get2();
269 c.v = new double[1][1]; double[][] val2 = get2();
270 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
271 }
272 }
273 }
274
275 /* ==================================================== */
276
277 static class DoubleArrayDim3 {
278 public @Stable double[][][] v;
279
280 public static final DoubleArrayDim3 c = new DoubleArrayDim3();
281 public static double get() { return c.v[0][0][0]; }
282 public static double[] get1() { return c.v[0][0]; }
283 public static double[][] get2() { return c.v[0]; }
284 public static double[][][] get3() { return c.v; }
285 public static void test() throws Exception {
286 {
287 c.v = new double[1][1][1]; c.v[0][0][0] = 1.0; double val1 = get();
288 c.v[0][0][0] = 2.0; double val2 = get();
289 assertEquals(val1, 1.0);
290 assertEquals(val2, (isServerWithStable ? 1.0 : 2.0));
291
292 c.v = new double[1][1][1]; c.v[0][0][0] = 3.0; double val3 = get();
293 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
294 : 3.0));
295
296 c.v[0] = new double[1][1]; c.v[0][0][0] = 4.0; double val4 = get();
297 assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
298 : 4.0));
299
300 c.v[0][0] = new double[1]; c.v[0][0][0] = 5.0; double val5 = get();
301 assertEquals(val5, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
302 : 5.0));
303 }
304
305 {
306 c.v = new double[1][1][1]; double[] val1 = get1();
307 c.v[0][0] = new double[1]; double[] val2 = get1();
308 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
309 }
310
311 {
312 c.v = new double[1][1][1]; double[][] val1 = get2();
313 c.v[0] = new double[1][1]; double[][] val2 = get2();
314 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
315 }
316
317 {
318 c.v = new double[1][1][1]; double[][][] val1 = get3();
319 c.v = new double[1][1][1]; double[][][] val2 = get3();
320 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
321 }
322 }
323 }
324
325 /* ==================================================== */
326
327 static class DoubleArrayDim4 {
328 public @Stable double[][][][] v;
329
330 public static final DoubleArrayDim4 c = new DoubleArrayDim4();
331 public static double get() { return c.v[0][0][0][0]; }
332 public static double[] get1() { return c.v[0][0][0]; }
333 public static double[][] get2() { return c.v[0][0]; }
334 public static double[][][] get3() { return c.v[0]; }
335 public static double[][][][] get4() { return c.v; }
336 public static void test() throws Exception {
337 {
338 c.v = new double[1][1][1][1]; c.v[0][0][0][0] = 1.0; double val1 = get();
339 c.v[0][0][0][0] = 2.0; double val2 = get();
340 assertEquals(val1, 1.0);
341 assertEquals(val2, (isServerWithStable ? 1.0 : 2.0));
342
343 c.v = new double[1][1][1][1]; c.v[0][0][0][0] = 3.0; double val3 = get();
344 assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
345 : 3.0));
346
347 c.v[0] = new double[1][1][1]; c.v[0][0][0][0] = 4.0; double val4 = get();
348 assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
349 : 4.0));
350
351 c.v[0][0] = new double[1][1]; c.v[0][0][0][0] = 5.0; double val5 = get();
352 assertEquals(val5, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
353 : 5.0));
354
355 c.v[0][0][0] = new double[1]; c.v[0][0][0][0] = 6.0; double val6 = get();
356 assertEquals(val6, (isStableEnabled ? (isServerWithStable ? 1.0 : 2.0)
357 : 6.0));
358 }
359
360 {
361 c.v = new double[1][1][1][1]; double[] val1 = get1();
362 c.v[0][0][0] = new double[1]; double[] val2 = get1();
363 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
364 }
365
366 {
367 c.v = new double[1][1][1][1]; double[][] val1 = get2();
368 c.v[0][0] = new double[1][1]; double[][] val2 = get2();
369 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
370 }
371
372 {
373 c.v = new double[1][1][1][1]; double[][][] val1 = get3();
374 c.v[0] = new double[1][1][1]; double[][][] val2 = get3();
375 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
376 }
377
378 {
379 c.v = new double[1][1][1][1]; double[][][][] val1 = get4();
380 c.v = new double[1][1][1][1]; double[][][][] val2 = get4();
381 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
382 }
383 }
384 }
385
386 /* ==================================================== */
387 // Dynamic Dim is higher than static
388 static class ObjectArrayLowerDim0 {
389 public @Stable Object v;
390
391 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
392 public static double get() { return ((double[])c.v)[0]; }
393 public static double[] get1() { return (double[])c.v; }
394
395 public static void test() throws Exception {
396 {
397 c.v = new double[1]; ((double[])c.v)[0] = 1.0; double val1 = get();
398 ((double[])c.v)[0] = 2.0; double val2 = get();
399
400 assertEquals(val1, 1.0);
401 assertEquals(val2, 2.0);
402 }
403
404 {
405 c.v = new double[1]; double[] val1 = get1();
406 c.v = new double[1]; double[] val2 = get1();
407 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
408 }
409 }
410 }
411
412 /* ==================================================== */
413
414 static class ObjectArrayLowerDim1 {
415 public @Stable Object[] v;
416
417 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
418 public static double get() { return ((double[][])c.v)[0][0]; }
419 public static double[] get1() { return (double[])(c.v[0]); }
420 public static Object[] get2() { return c.v; }
421
422 public static void test() throws Exception {
423 {
424 c.v = new double[1][1]; ((double[][])c.v)[0][0] = 1.0; double val1 = get();
425 ((double[][])c.v)[0][0] = 2.0; double val2 = get();
426
427 assertEquals(val1, 1.0);
428 assertEquals(val2, 2.0);
429 }
430
431 {
432 c.v = new double[1][1]; c.v[0] = new double[0]; double[] val1 = get1();
433 c.v[0] = new double[0]; double[] val2 = get1();
434
435 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
436 }
437
438 {
439 c.v = new double[0][0]; Object[] val1 = get2();
440 c.v = new double[0][0]; Object[] val2 = get2();
441
442 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
443 }
444 }
445 }
446
447 /* ==================================================== */
448
449 static class ObjectArrayLowerDim2 {
450 public @Stable Object[][] v;
451
452 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
453 public static double get() { return ((double[][][])c.v)[0][0][0]; }
454 public static double[] get1() { return (double[])(c.v[0][0]); }
455 public static double[][] get2() { return (double[][])(c.v[0]); }
456 public static Object[][] get3() { return c.v; }
457
458 public static void test() throws Exception {
459 {
460 c.v = new double[1][1][1]; ((double[][][])c.v)[0][0][0] = 1.0; double val1 = get();
461 ((double[][][])c.v)[0][0][0] = 2.0; double val2 = get();
462
463 assertEquals(val1, 1.0);
464 assertEquals(val2, 2.0);
465 }
466
467 {
468 c.v = new double[1][1][1]; c.v[0][0] = new double[0]; double[] val1 = get1();
469 c.v[0][0] = new double[0]; double[] val2 = get1();
470
471 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
472 }
473
474 {
475 c.v = new double[1][1][1]; c.v[0] = new double[0][0]; double[][] val1 = get2();
476 c.v[0] = new double[0][0]; double[][] val2 = get2();
477
478 assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
479 }
480
481 {
482 c.v = new double[0][0][0]; Object[][] val1 = get3();
483 c.v = new double[0][0][0]; Object[][] val2 = get3();
484
485 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
486 }
487 }
488 }
489
490 /* ==================================================== */
491
492 static class NestedStableField {
493 static class A {
494 public @Stable double a;
495
496 }
497 public @Stable A v;
498
499 public static final NestedStableField c = new NestedStableField();
500 public static A get() { return c.v; }
501 public static double get1() { return get().a; }
502
503 public static void test() throws Exception {
504 {
505 c.v = new A(); c.v.a = 1.0; A val1 = get();
506 c.v.a = 2.0; A val2 = get();
507
508 assertEquals(val1.a, 2.0);
509 assertEquals(val2.a, 2.0);
510 }
511
512 {
513 c.v = new A(); c.v.a = 1.0; double val1 = get1();
514 c.v.a = 2.0; double val2 = get1();
515 c.v = new A(); c.v.a = 3.0; double val3 = get1();
516
517 assertEquals(val1, 1.0);
518 assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
519 assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
520 }
521 }
522 }
523
524 /* ==================================================== */
525
526 static class NestedStableField1 {
527 static class A {
528 public @Stable double a;
529 public @Stable A next;
530 }
531 public @Stable A v;
532
533 public static final NestedStableField1 c = new NestedStableField1();
534 public static A get() { return c.v.next.next.next.next.next.next.next; }
535 public static double get1() { return get().a; }
536
537 public static void test() throws Exception {
538 {
539 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
540 c.v.a = 1.0; c.v.next.a = 1.0; A val1 = get();
541 c.v.a = 2.0; c.v.next.a = 2.0; A val2 = get();
542
543 assertEquals(val1.a, 2.0);
544 assertEquals(val2.a, 2.0);
545 }
546
547 {
548 c.v = new A(); c.v.next = c.v;
549 c.v.a = 1.0; double val1 = get1();
550 c.v.a = 2.0; double val2 = get1();
551 c.v = new A(); c.v.next = c.v;
552 c.v.a = 3.0; double val3 = get1();
553
554 assertEquals(val1, 1.0);
555 assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
556 assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
557 }
558 }
559 }
560 /* ==================================================== */
561
562 static class NestedStableField2 {
563 static class A {
564 public @Stable double a;
565 public @Stable A left;
566 public A right;
567 }
568
569 public @Stable A v;
570
571 public static final NestedStableField2 c = new NestedStableField2();
572 public static double get() { return c.v.left.left.left.a; }
573 public static double get1() { return c.v.left.left.right.left.a; }
574
575 public static void test() throws Exception {
576 {
577 c.v = new A(); c.v.left = c.v.right = c.v;
578 c.v.a = 1.0; double val1 = get(); double val2 = get1();
579 c.v.a = 2.0; double val3 = get(); double val4 = get1();
580
581 assertEquals(val1, 1.0);
582 assertEquals(val3, (isStableEnabled ? 1.0 : 2.0));
583
584 assertEquals(val2, 1.0);
585 assertEquals(val4, 2.0);
586 }
587 }
588 }
589
590 /* ==================================================== */
591
592 static class NestedStableField3 {
593 static class A {
594 public @Stable double a;
595 public @Stable A[] left;
596 public A[] right;
597 }
598
599 public @Stable A[] v;
600
601 public static final NestedStableField3 c = new NestedStableField3();
602 public static double get() { return c.v[0].left[1].left[0].left[1].a; }
603 public static double get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
604
605 public static void test() throws Exception {
606 {
607 A elem = new A();
608 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
609 elem.a = 1.0; double val1 = get(); double val2 = get1();
610 elem.a = 2.0; double val3 = get(); double val4 = get1();
611
612 assertEquals(val1, 1.0);
613 assertEquals(val3, (isServerWithStable ? 1.0 : 2.0));
614
615 assertEquals(val2, 1.0);
616 assertEquals(val4, 2.0);
617 }
618 }
619 }
620
621 /* ==================================================== */
622 // Auxiliary methods
623 static void assertEquals(double i, double j) { if (i != j) throw new AssertionError(i + " != " + j); }
624 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
625
626 static boolean failed = false;
627
628 public static void run(Class<?> test) {
629 Throwable ex = null;
630 System.out.print(test.getName()+": ");
631 try {
632 test.getMethod("test").invoke(null);
633 } catch (InvocationTargetException e) {
634 ex = e.getCause();
635 } catch (Throwable e) {
636 ex = e;
637 } finally {
638 if (ex == null) {
639 System.out.println("PASSED");
640 } else {
641 failed = true;
642 System.out.println("FAILED");
643 ex.printStackTrace(System.out);
644 }
645 }
646 }
647 }