Mercurial > jdk8-mips64-public > hotspot / file revision
test/compiler/stable/TestStableChar.java@fb9d124d9192
test/compiler/stable/TestStableChar.java
Wed, 21 May 2014 10:56:41 -0700
- author
- katleman
- date
- Wed, 21 May 2014 10:56:41 -0700
- changeset 6672
- fb9d124d9192
- parent 6528
- 248ff38d2950
- child 6747
- ee1c924763d2
- permissions
- -rw-r--r--
Added tag jdk8u20-b15 for changeset 8c785f9bde6f
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 */
26 /*
27 * @test TestStableChar
28 * @summary tests on stable fields and arrays
29 * @library /testlibrary
30 * @compile -XDignore.symbol.file TestStableChar.java
31 * @run main ClassFileInstaller
32 * java/lang/invoke/TestStableChar
33 * java/lang/invoke/TestStableChar$CharStable
34 * java/lang/invoke/TestStableChar$StaticCharStable
35 * java/lang/invoke/TestStableChar$VolatileCharStable
36 * java/lang/invoke/TestStableChar$CharArrayDim1
37 * java/lang/invoke/TestStableChar$CharArrayDim2
38 * java/lang/invoke/TestStableChar$CharArrayDim3
39 * java/lang/invoke/TestStableChar$CharArrayDim4
40 * java/lang/invoke/TestStableChar$ObjectArrayLowerDim0
41 * java/lang/invoke/TestStableChar$ObjectArrayLowerDim1
42 * java/lang/invoke/TestStableChar$NestedStableField
43 * java/lang/invoke/TestStableChar$NestedStableField$A
44 * java/lang/invoke/TestStableChar$NestedStableField1
45 * java/lang/invoke/TestStableChar$NestedStableField1$A
46 * java/lang/invoke/TestStableChar$NestedStableField2
47 * java/lang/invoke/TestStableChar$NestedStableField2$A
48 * java/lang/invoke/TestStableChar$NestedStableField3
49 * java/lang/invoke/TestStableChar$NestedStableField3$A
50 * java/lang/invoke/TestStableChar$DefaultValue
51 * java/lang/invoke/TestStableChar$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.TestStableChar
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.TestStableChar
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.TestStableChar
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.TestStableChar
76 */
77 package java.lang.invoke;
79 import com.sun.management.HotSpotDiagnosticMXBean;
80 import com.sun.management.VMOption;
81 import sun.management.ManagementFactoryHelper;
82 import java.lang.reflect.InvocationTargetException;
84 public class TestStableChar {
85 public static void main(String[] args) throws Exception {
86 System.out.println("@Stable enabled: "+isStableEnabled);
87 System.out.println();
89 run(DefaultValue.class);
90 run(CharStable.class);
91 run(StaticCharStable.class);
92 run(VolatileCharStable.class);
94 // @Stable arrays: Dim 1-4
95 run(CharArrayDim1.class);
96 run(CharArrayDim2.class);
97 run(CharArrayDim3.class);
98 run(CharArrayDim4.class);
100 // @Stable Object field: dynamic arrays
101 run(ObjectArrayLowerDim0.class);
102 run(ObjectArrayLowerDim1.class);
103 run(ObjectArrayLowerDim2.class);
105 // Nested @Stable fields
106 run(NestedStableField.class);
107 run(NestedStableField1.class);
108 run(NestedStableField2.class);
109 run(NestedStableField3.class);
111 if (failed) {
112 throw new Error("TEST FAILED");
113 }
114 }
116 /* ==================================================== */
118 static class DefaultValue {
119 public @Stable char v;
121 public static final DefaultValue c = new DefaultValue();
122 public static char get() { return c.v; }
123 public static void test() throws Exception {
124 char val1 = get();
125 c.v = 'a'; char val2 = get();
126 assertEquals(val1, 0);
127 assertEquals(val2, 'a');
128 }
129 }
131 /* ==================================================== */
133 static class CharStable {
134 public @Stable char v;
136 public static final CharStable c = new CharStable();
137 public static char get() { return c.v; }
138 public static void test() throws Exception {
139 c.v = 'a'; char val1 = get();
140 c.v = 'b'; char val2 = get();
141 assertEquals(val1, 'a');
142 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
143 }
144 }
146 /* ==================================================== */
148 static class StaticCharStable {
149 public @Stable char v;
151 public static final StaticCharStable c = new StaticCharStable();
152 public static char get() { return c.v; }
153 public static void test() throws Exception {
154 c.v = 'a'; char val1 = get();
155 c.v = 'b'; char val2 = get();
156 assertEquals(val1, 'a');
157 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
158 }
159 }
161 /* ==================================================== */
163 static class VolatileCharStable {
164 public @Stable volatile char v;
166 public static final VolatileCharStable c = new VolatileCharStable();
167 public static char get() { return c.v; }
168 public static void test() throws Exception {
169 c.v = 'a'; char val1 = get();
170 c.v = 'b'; char val2 = get();
171 assertEquals(val1, 'a');
172 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
173 }
174 }
176 /* ==================================================== */
177 // @Stable array == field && all components are stable
179 static class CharArrayDim1 {
180 public @Stable char[] v;
182 public static final CharArrayDim1 c = new CharArrayDim1();
183 public static char get() { return c.v[0]; }
184 public static char get1() { return c.v[10]; }
185 public static char[] get2() { return c.v; }
186 public static void test() throws Exception {
187 {
188 c.v = new char[1]; c.v[0] = 'a'; char val1 = get();
189 c.v[0] = 'b'; char val2 = get();
190 assertEquals(val1, 'a');
191 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
193 c.v = new char[1]; c.v[0] = 'c'; char val3 = get();
194 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
195 }
197 {
198 c.v = new char[20]; c.v[10] = 'a'; char val1 = get1();
199 c.v[10] = 'b'; char val2 = get1();
200 assertEquals(val1, 'a');
201 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
203 c.v = new char[20]; c.v[10] = 'c'; char val3 = get1();
204 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
205 }
207 {
208 c.v = new char[1]; char[] val1 = get2();
209 c.v = new char[1]; char[] val2 = get2();
210 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
211 }
212 }
213 }
215 /* ==================================================== */
217 static class CharArrayDim2 {
218 public @Stable char[][] v;
220 public static final CharArrayDim2 c = new CharArrayDim2();
221 public static char get() { return c.v[0][0]; }
222 public static char[] get1() { return c.v[0]; }
223 public static char[][] get2() { return c.v; }
224 public static void test() throws Exception {
225 {
226 c.v = new char[1][1]; c.v[0][0] = 'a'; char val1 = get();
227 c.v[0][0] = 'b'; char val2 = get();
228 assertEquals(val1, 'a');
229 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
231 c.v = new char[1][1]; c.v[0][0] = 'c'; char val3 = get();
232 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
234 c.v[0] = new char[1]; c.v[0][0] = 'd'; char val4 = get();
235 assertEquals(val4, (isStableEnabled ? 'a' : 'd'));
236 }
238 {
239 c.v = new char[1][1]; char[] val1 = get1();
240 c.v[0] = new char[1]; char[] val2 = get1();
241 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
242 }
244 {
245 c.v = new char[1][1]; char[][] val1 = get2();
246 c.v = new char[1][1]; char[][] val2 = get2();
247 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
248 }
249 }
250 }
252 /* ==================================================== */
254 static class CharArrayDim3 {
255 public @Stable char[][][] v;
257 public static final CharArrayDim3 c = new CharArrayDim3();
258 public static char get() { return c.v[0][0][0]; }
259 public static char[] get1() { return c.v[0][0]; }
260 public static char[][] get2() { return c.v[0]; }
261 public static char[][][] get3() { return c.v; }
262 public static void test() throws Exception {
263 {
264 c.v = new char[1][1][1]; c.v[0][0][0] = 'a'; char val1 = get();
265 c.v[0][0][0] = 'b'; char val2 = get();
266 assertEquals(val1, 'a');
267 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
269 c.v = new char[1][1][1]; c.v[0][0][0] = 'c'; char val3 = get();
270 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
272 c.v[0] = new char[1][1]; c.v[0][0][0] = 'd'; char val4 = get();
273 assertEquals(val4, (isStableEnabled ? 'a' : 'd'));
275 c.v[0][0] = new char[1]; c.v[0][0][0] = 'e'; char val5 = get();
276 assertEquals(val5, (isStableEnabled ? 'a' : 'e'));
277 }
279 {
280 c.v = new char[1][1][1]; char[] val1 = get1();
281 c.v[0][0] = new char[1]; char[] val2 = get1();
282 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
283 }
285 {
286 c.v = new char[1][1][1]; char[][] val1 = get2();
287 c.v[0] = new char[1][1]; char[][] val2 = get2();
288 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
289 }
291 {
292 c.v = new char[1][1][1]; char[][][] val1 = get3();
293 c.v = new char[1][1][1]; char[][][] val2 = get3();
294 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
295 }
296 }
297 }
299 /* ==================================================== */
301 static class CharArrayDim4 {
302 public @Stable char[][][][] v;
304 public static final CharArrayDim4 c = new CharArrayDim4();
305 public static char get() { return c.v[0][0][0][0]; }
306 public static char[] get1() { return c.v[0][0][0]; }
307 public static char[][] get2() { return c.v[0][0]; }
308 public static char[][][] get3() { return c.v[0]; }
309 public static char[][][][] get4() { return c.v; }
310 public static void test() throws Exception {
311 {
312 c.v = new char[1][1][1][1]; c.v[0][0][0][0] = 'a'; char val1 = get();
313 c.v[0][0][0][0] = 'b'; char val2 = get();
314 assertEquals(val1, 'a');
315 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
317 c.v = new char[1][1][1][1]; c.v[0][0][0][0] = 'c'; char val3 = get();
318 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
320 c.v[0] = new char[1][1][1]; c.v[0][0][0][0] = 'd'; char val4 = get();
321 assertEquals(val4, (isStableEnabled ? 'a' : 'd'));
323 c.v[0][0] = new char[1][1]; c.v[0][0][0][0] = 'e'; char val5 = get();
324 assertEquals(val5, (isStableEnabled ? 'a' : 'e'));
326 c.v[0][0][0] = new char[1]; c.v[0][0][0][0] = 'f'; char val6 = get();
327 assertEquals(val6, (isStableEnabled ? 'a' : 'f'));
328 }
330 {
331 c.v = new char[1][1][1][1]; char[] val1 = get1();
332 c.v[0][0][0] = new char[1]; char[] val2 = get1();
333 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
334 }
336 {
337 c.v = new char[1][1][1][1]; char[][] val1 = get2();
338 c.v[0][0] = new char[1][1]; char[][] val2 = get2();
339 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
340 }
342 {
343 c.v = new char[1][1][1][1]; char[][][] val1 = get3();
344 c.v[0] = new char[1][1][1]; char[][][] val2 = get3();
345 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
346 }
348 {
349 c.v = new char[1][1][1][1]; char[][][][] val1 = get4();
350 c.v = new char[1][1][1][1]; char[][][][] val2 = get4();
351 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
352 }
354 }
355 }
357 /* ==================================================== */
358 // Dynamic Dim is higher than static
359 static class ObjectArrayLowerDim0 {
360 public @Stable Object v;
362 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
363 public static char get() { return ((char[])c.v)[0]; }
364 public static char[] get1() { return (char[])c.v; }
366 public static void test() throws Exception {
367 {
368 c.v = new char[1]; ((char[])c.v)[0] = 'a'; char val1 = get();
369 ((char[])c.v)[0] = 'b'; char val2 = get();
371 assertEquals(val1, 'a');
372 assertEquals(val2, 'b');
373 }
375 {
376 c.v = new char[1]; char[] val1 = get1();
377 c.v = new char[1]; char[] val2 = get1();
378 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
379 }
380 }
381 }
383 /* ==================================================== */
385 static class ObjectArrayLowerDim1 {
386 public @Stable Object[] v;
388 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
389 public static char get() { return ((char[][])c.v)[0][0]; }
390 public static char[] get1() { return (char[])(c.v[0]); }
391 public static Object[] get2() { return c.v; }
393 public static void test() throws Exception {
394 {
395 c.v = new char[1][1]; ((char[][])c.v)[0][0] = 'a'; char val1 = get();
396 ((char[][])c.v)[0][0] = 'b'; char val2 = get();
398 assertEquals(val1, 'a');
399 assertEquals(val2, 'b');
400 }
402 {
403 c.v = new char[1][1]; c.v[0] = new char[0]; char[] val1 = get1();
404 c.v[0] = new char[0]; char[] val2 = get1();
406 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
407 }
409 {
410 c.v = new char[0][0]; Object[] val1 = get2();
411 c.v = new char[0][0]; Object[] val2 = get2();
413 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
414 }
415 }
416 }
418 /* ==================================================== */
420 static class ObjectArrayLowerDim2 {
421 public @Stable Object[][] v;
423 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
424 public static char get() { return ((char[][][])c.v)[0][0][0]; }
425 public static char[] get1() { return (char[])(c.v[0][0]); }
426 public static char[][] get2() { return (char[][])(c.v[0]); }
427 public static Object[][] get3() { return c.v; }
429 public static void test() throws Exception {
430 {
431 c.v = new char[1][1][1]; ((char[][][])c.v)[0][0][0] = 'a'; char val1 = get();
432 ((char[][][])c.v)[0][0][0] = 'b'; char val2 = get();
434 assertEquals(val1, 'a');
435 assertEquals(val2, 'b');
436 }
438 {
439 c.v = new char[1][1][1]; c.v[0][0] = new char[0]; char[] val1 = get1();
440 c.v[0][0] = new char[0]; char[] val2 = get1();
442 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
443 }
445 {
446 c.v = new char[1][1][1]; c.v[0] = new char[0][0]; char[][] val1 = get2();
447 c.v[0] = new char[0][0]; char[][] val2 = get2();
449 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
450 }
452 {
453 c.v = new char[0][0][0]; Object[][] val1 = get3();
454 c.v = new char[0][0][0]; Object[][] val2 = get3();
456 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
457 }
458 }
459 }
461 /* ==================================================== */
463 static class NestedStableField {
464 static class A {
465 public @Stable char a;
467 }
468 public @Stable A v;
470 public static final NestedStableField c = new NestedStableField();
471 public static A get() { return c.v; }
472 public static char get1() { return get().a; }
474 public static void test() throws Exception {
475 {
476 c.v = new A(); c.v.a = 'a'; A val1 = get();
477 c.v.a = 'b'; A val2 = get();
479 assertEquals(val1.a, 'b');
480 assertEquals(val2.a, 'b');
481 }
483 {
484 c.v = new A(); c.v.a = 'a'; char val1 = get1();
485 c.v.a = 'b'; char val2 = get1();
486 c.v = new A(); c.v.a = 'c'; char val3 = get1();
488 assertEquals(val1, 'a');
489 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
490 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
491 }
492 }
493 }
495 /* ==================================================== */
497 static class NestedStableField1 {
498 static class A {
499 public @Stable char a;
500 public @Stable A next;
501 }
502 public @Stable A v;
504 public static final NestedStableField1 c = new NestedStableField1();
505 public static A get() { return c.v.next.next.next.next.next.next.next; }
506 public static char get1() { return get().a; }
508 public static void test() throws Exception {
509 {
510 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
511 c.v.a = 'a'; c.v.next.a = 'a'; A val1 = get();
512 c.v.a = 'b'; c.v.next.a = 'b'; A val2 = get();
514 assertEquals(val1.a, 'b');
515 assertEquals(val2.a, 'b');
516 }
518 {
519 c.v = new A(); c.v.next = c.v;
520 c.v.a = 'a'; char val1 = get1();
521 c.v.a = 'b'; char val2 = get1();
522 c.v = new A(); c.v.next = c.v;
523 c.v.a = 'c'; char val3 = get1();
525 assertEquals(val1, 'a');
526 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
527 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
528 }
529 }
530 }
531 /* ==================================================== */
533 static class NestedStableField2 {
534 static class A {
535 public @Stable char a;
536 public @Stable A left;
537 public A right;
538 }
540 public @Stable A v;
542 public static final NestedStableField2 c = new NestedStableField2();
543 public static char get() { return c.v.left.left.left.a; }
544 public static char get1() { return c.v.left.left.right.left.a; }
546 public static void test() throws Exception {
547 {
548 c.v = new A(); c.v.left = c.v.right = c.v;
549 c.v.a = 'a'; char val1 = get(); char val2 = get1();
550 c.v.a = 'b'; char val3 = get(); char val4 = get1();
552 assertEquals(val1, 'a');
553 assertEquals(val3, (isStableEnabled ? 'a' : 'b'));
555 assertEquals(val2, 'a');
556 assertEquals(val4, 'b');
557 }
558 }
559 }
561 /* ==================================================== */
563 static class NestedStableField3 {
564 static class A {
565 public @Stable char a;
566 public @Stable A[] left;
567 public A[] right;
568 }
570 public @Stable A[] v;
572 public static final NestedStableField3 c = new NestedStableField3();
573 public static char get() { return c.v[0].left[1].left[0].left[1].a; }
574 public static char get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
576 public static void test() throws Exception {
577 {
578 A elem = new A();
579 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
580 elem.a = 'a'; char val1 = get(); char val2 = get1();
581 elem.a = 'b'; char val3 = get(); char val4 = get1();
583 assertEquals(val1, 'a');
584 assertEquals(val3, (isStableEnabled ? 'a' : 'b'));
586 assertEquals(val2, 'a');
587 assertEquals(val4, 'b');
588 }
589 }
590 }
592 /* ==================================================== */
593 // Auxiliary methods
594 static void assertEquals(int i, int j) { if (i != j) throw new AssertionError(i + " != " + j); }
595 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
597 static boolean failed = false;
599 public static void run(Class<?> test) {
600 Throwable ex = null;
601 System.out.print(test.getName()+": ");
602 try {
603 test.getMethod("test").invoke(null);
604 } catch (InvocationTargetException e) {
605 ex = e.getCause();
606 } catch (Throwable e) {
607 ex = e;
608 } finally {
609 if (ex == null) {
610 System.out.println("PASSED");
611 } else {
612 failed = true;
613 System.out.println("FAILED");
614 ex.printStackTrace(System.out);
615 }
616 }
617 }
619 static final boolean isStableEnabled;
620 static {
621 HotSpotDiagnosticMXBean diagnostic
622 = ManagementFactoryHelper.getDiagnosticMXBean();
623 VMOption tmp;
624 try {
625 tmp = diagnostic.getVMOption("FoldStableValues");
626 } catch (IllegalArgumentException e) {
627 tmp = null;
628 }
629 isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue()));
630 }
631 }
