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test/compiler/stable/TestStableFloat.java@248ff38d2950
test/compiler/stable/TestStableFloat.java
Fri, 28 Mar 2014 10:13:37 -0700
- author
- vlivanov
- date
- Fri, 28 Mar 2014 10:13:37 -0700
- changeset 6528
- 248ff38d2950
- child 6747
- ee1c924763d2
- permissions
- -rw-r--r--
8035828: Turn on @Stable support in VM
Reviewed-by: jrose, twisti
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 TestStableFloat
28 * @summary tests on stable fields and arrays
29 * @library /testlibrary
30 * @compile -XDignore.symbol.file TestStableFloat.java
31 * @run main ClassFileInstaller
32 * java/lang/invoke/TestStableFloat
33 * java/lang/invoke/TestStableFloat$FloatStable
34 * java/lang/invoke/TestStableFloat$StaticFloatStable
35 * java/lang/invoke/TestStableFloat$VolatileFloatStable
36 * java/lang/invoke/TestStableFloat$FloatArrayDim1
37 * java/lang/invoke/TestStableFloat$FloatArrayDim2
38 * java/lang/invoke/TestStableFloat$FloatArrayDim3
39 * java/lang/invoke/TestStableFloat$FloatArrayDim4
40 * java/lang/invoke/TestStableFloat$ObjectArrayLowerDim0
41 * java/lang/invoke/TestStableFloat$ObjectArrayLowerDim1
42 * java/lang/invoke/TestStableFloat$NestedStableField
43 * java/lang/invoke/TestStableFloat$NestedStableField$A
44 * java/lang/invoke/TestStableFloat$NestedStableField1
45 * java/lang/invoke/TestStableFloat$NestedStableField1$A
46 * java/lang/invoke/TestStableFloat$NestedStableField2
47 * java/lang/invoke/TestStableFloat$NestedStableField2$A
48 * java/lang/invoke/TestStableFloat$NestedStableField3
49 * java/lang/invoke/TestStableFloat$NestedStableField3$A
50 * java/lang/invoke/TestStableFloat$DefaultValue
51 * java/lang/invoke/TestStableFloat$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.TestStableFloat
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.TestStableFloat
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.TestStableFloat
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.TestStableFloat
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 TestStableFloat {
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(FloatStable.class);
91 run(StaticFloatStable.class);
92 run(VolatileFloatStable.class);
94 // @Stable arrays: Dim 1-4
95 run(FloatArrayDim1.class);
96 run(FloatArrayDim2.class);
97 run(FloatArrayDim3.class);
98 run(FloatArrayDim4.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 float v;
121 public static final DefaultValue c = new DefaultValue();
122 public static float get() { return c.v; }
123 public static void test() throws Exception {
124 float val1 = get();
125 c.v = 1.0F; float val2 = get();
126 assertEquals(val1, 0F);
127 assertEquals(val2, 1.0F);
128 }
129 }
131 /* ==================================================== */
133 static class FloatStable {
134 public @Stable float v;
136 public static final FloatStable c = new FloatStable();
137 public static float get() { return c.v; }
138 public static void test() throws Exception {
139 c.v = 1.0F; float val1 = get();
140 c.v = 2.0F; float val2 = get();
141 assertEquals(val1, 1.0F);
142 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
143 }
144 }
146 /* ==================================================== */
148 static class StaticFloatStable {
149 public static @Stable float v;
151 public static final StaticFloatStable c = new StaticFloatStable();
152 public static float get() { return c.v; }
153 public static void test() throws Exception {
154 c.v = 1.0F; float val1 = get();
155 c.v = 2.0F; float val2 = get();
156 assertEquals(val1, 1.0F);
157 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
158 }
159 }
161 /* ==================================================== */
163 static class VolatileFloatStable {
164 public @Stable volatile float v;
166 public static final VolatileFloatStable c = new VolatileFloatStable();
167 public static float get() { return c.v; }
168 public static void test() throws Exception {
169 c.v = 1.0F; float val1 = get();
170 c.v = 2.0F; float val2 = get();
171 assertEquals(val1, 1.0F);
172 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
173 }
174 }
176 /* ==================================================== */
177 // @Stable array == field && all components are stable
179 static class FloatArrayDim1 {
180 public @Stable float[] v;
182 public static final FloatArrayDim1 c = new FloatArrayDim1();
183 public static float get() { return c.v[0]; }
184 public static float get1() { return c.v[10]; }
185 public static float[] get2() { return c.v; }
186 public static void test() throws Exception {
187 {
188 c.v = new float[1]; c.v[0] = 1.0F; float val1 = get();
189 c.v[0] = 2.0F; float val2 = get();
190 assertEquals(val1, 1.0F);
191 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
193 c.v = new float[1]; c.v[0] = 3.0F; float val3 = get();
194 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
195 }
197 {
198 c.v = new float[20]; c.v[10] = 1.0F; float val1 = get1();
199 c.v[10] = 2.0F; float val2 = get1();
200 assertEquals(val1, 1.0F);
201 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
203 c.v = new float[20]; c.v[10] = 3.0F; float val3 = get1();
204 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
205 }
207 {
208 c.v = new float[1]; float[] val1 = get2();
209 c.v = new float[1]; float[] val2 = get2();
210 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
211 }
212 }
213 }
215 /* ==================================================== */
217 static class FloatArrayDim2 {
218 public @Stable float[][] v;
220 public static final FloatArrayDim2 c = new FloatArrayDim2();
221 public static float get() { return c.v[0][0]; }
222 public static float[] get1() { return c.v[0]; }
223 public static float[][] get2() { return c.v; }
224 public static void test() throws Exception {
225 {
226 c.v = new float[1][1]; c.v[0][0] = 1.0F; float val1 = get();
227 c.v[0][0] = 2.0F; float val2 = get();
228 assertEquals(val1, 1.0F);
229 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
231 c.v = new float[1][1]; c.v[0][0] = 3.0F; float val3 = get();
232 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
234 c.v[0] = new float[1]; c.v[0][0] = 4.0F; float val4 = get();
235 assertEquals(val4, (isStableEnabled ? 1.0F : 4.0F));
236 }
238 {
239 c.v = new float[1][1]; float[] val1 = get1();
240 c.v[0] = new float[1]; float[] val2 = get1();
241 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
242 }
244 {
245 c.v = new float[1][1]; float[][] val1 = get2();
246 c.v = new float[1][1]; float[][] val2 = get2();
247 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
248 }
249 }
250 }
252 /* ==================================================== */
254 static class FloatArrayDim3 {
255 public @Stable float[][][] v;
257 public static final FloatArrayDim3 c = new FloatArrayDim3();
258 public static float get() { return c.v[0][0][0]; }
259 public static float[] get1() { return c.v[0][0]; }
260 public static float[][] get2() { return c.v[0]; }
261 public static float[][][] get3() { return c.v; }
262 public static void test() throws Exception {
263 {
264 c.v = new float[1][1][1]; c.v[0][0][0] = 1.0F; float val1 = get();
265 c.v[0][0][0] = 2.0F; float val2 = get();
266 assertEquals(val1, 1.0F);
267 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
269 c.v = new float[1][1][1]; c.v[0][0][0] = 3.0F; float val3 = get();
270 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
272 c.v[0] = new float[1][1]; c.v[0][0][0] = 4.0F; float val4 = get();
273 assertEquals(val4, (isStableEnabled ? 1.0F : 4.0F));
275 c.v[0][0] = new float[1]; c.v[0][0][0] = 5.0F; float val5 = get();
276 assertEquals(val5, (isStableEnabled ? 1.0F : 5.0F));
277 }
279 {
280 c.v = new float[1][1][1]; float[] val1 = get1();
281 c.v[0][0] = new float[1]; float[] val2 = get1();
282 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
283 }
285 {
286 c.v = new float[1][1][1]; float[][] val1 = get2();
287 c.v[0] = new float[1][1]; float[][] val2 = get2();
288 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
289 }
291 {
292 c.v = new float[1][1][1]; float[][][] val1 = get3();
293 c.v = new float[1][1][1]; float[][][] val2 = get3();
294 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
295 }
296 }
297 }
299 /* ==================================================== */
301 static class FloatArrayDim4 {
302 public @Stable float[][][][] v;
304 public static final FloatArrayDim4 c = new FloatArrayDim4();
305 public static float get() { return c.v[0][0][0][0]; }
306 public static float[] get1() { return c.v[0][0][0]; }
307 public static float[][] get2() { return c.v[0][0]; }
308 public static float[][][] get3() { return c.v[0]; }
309 public static float[][][][] get4() { return c.v; }
310 public static void test() throws Exception {
311 {
312 c.v = new float[1][1][1][1]; c.v[0][0][0][0] = 1.0F; float val1 = get();
313 c.v[0][0][0][0] = 2.0F; float val2 = get();
314 assertEquals(val1, 1.0F);
315 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
317 c.v = new float[1][1][1][1]; c.v[0][0][0][0] = 3.0F; float val3 = get();
318 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
320 c.v[0] = new float[1][1][1]; c.v[0][0][0][0] = 4.0F; float val4 = get();
321 assertEquals(val4, (isStableEnabled ? 1.0F : 4.0F));
323 c.v[0][0] = new float[1][1]; c.v[0][0][0][0] = 5.0F; float val5 = get();
324 assertEquals(val5, (isStableEnabled ? 1.0F : 5.0F));
326 c.v[0][0][0] = new float[1]; c.v[0][0][0][0] = 6.0F; float val6 = get();
327 assertEquals(val6, (isStableEnabled ? 1.0F : 6.0F));
328 }
330 {
331 c.v = new float[1][1][1][1]; float[] val1 = get1();
332 c.v[0][0][0] = new float[1]; float[] val2 = get1();
333 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
334 }
336 {
337 c.v = new float[1][1][1][1]; float[][] val1 = get2();
338 c.v[0][0] = new float[1][1]; float[][] val2 = get2();
339 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
340 }
342 {
343 c.v = new float[1][1][1][1]; float[][][] val1 = get3();
344 c.v[0] = new float[1][1][1]; float[][][] val2 = get3();
345 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
346 }
348 {
349 c.v = new float[1][1][1][1]; float[][][][] val1 = get4();
350 c.v = new float[1][1][1][1]; float[][][][] val2 = get4();
351 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
352 }
354 }
355 }
357 /* ==================================================== */
358 // Dynamic Dim is higher than static
360 static class ObjectArrayLowerDim0 {
361 public @Stable Object v;
363 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
364 public static float get() { return ((float[])c.v)[0]; }
365 public static float[] get1() { return (float[])c.v; }
367 public static void test() throws Exception {
368 {
369 c.v = new float[1]; ((float[])c.v)[0] = 1.0F; float val1 = get();
370 ((float[])c.v)[0] = 2.0F; float val2 = get();
372 assertEquals(val1, 1.0F);
373 assertEquals(val2, 2.0F);
374 }
376 {
377 c.v = new float[1]; float[] val1 = get1();
378 c.v = new float[1]; float[] val2 = get1();
379 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
380 }
381 }
382 }
384 /* ==================================================== */
386 static class ObjectArrayLowerDim1 {
387 public @Stable Object[] v;
389 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
390 public static float get() { return ((float[][])c.v)[0][0]; }
391 public static float[] get1() { return (float[])(c.v[0]); }
392 public static Object[] get2() { return c.v; }
394 public static void test() throws Exception {
395 {
396 c.v = new float[1][1]; ((float[][])c.v)[0][0] = 1.0F; float val1 = get();
397 ((float[][])c.v)[0][0] = 2.0F; float val2 = get();
399 assertEquals(val1, 1.0F);
400 assertEquals(val2, 2.0F);
401 }
403 {
404 c.v = new float[1][1]; c.v[0] = new float[0]; float[] val1 = get1();
405 c.v[0] = new float[0]; float[] val2 = get1();
407 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
408 }
410 {
411 c.v = new float[0][0]; Object[] val1 = get2();
412 c.v = new float[0][0]; Object[] val2 = get2();
414 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
415 }
416 }
417 }
419 /* ==================================================== */
421 static class ObjectArrayLowerDim2 {
422 public @Stable Object[][] v;
424 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
425 public static float get() { return ((float[][][])c.v)[0][0][0]; }
426 public static float[] get1() { return (float[])(c.v[0][0]); }
427 public static float[][] get2() { return (float[][])(c.v[0]); }
428 public static Object[][] get3() { return c.v; }
430 public static void test() throws Exception {
431 {
432 c.v = new float[1][1][1]; ((float[][][])c.v)[0][0][0] = 1.0F; float val1 = get();
433 ((float[][][])c.v)[0][0][0] = 2.0F; float val2 = get();
435 assertEquals(val1, 1.0F);
436 assertEquals(val2, 2.0F);
437 }
439 {
440 c.v = new float[1][1][1]; c.v[0][0] = new float[0]; float[] val1 = get1();
441 c.v[0][0] = new float[0]; float[] val2 = get1();
443 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
444 }
446 {
447 c.v = new float[1][1][1]; c.v[0] = new float[0][0]; float[][] val1 = get2();
448 c.v[0] = new float[0][0]; float[][] val2 = get2();
450 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
451 }
453 {
454 c.v = new float[0][0][0]; Object[][] val1 = get3();
455 c.v = new float[0][0][0]; Object[][] val2 = get3();
457 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
458 }
459 }
460 }
462 /* ==================================================== */
464 static class NestedStableField {
465 static class A {
466 public @Stable float a;
468 }
469 public @Stable A v;
471 public static final NestedStableField c = new NestedStableField();
472 public static A get() { return c.v; }
473 public static float get1() { return get().a; }
475 public static void test() throws Exception {
476 {
477 c.v = new A(); c.v.a = 1.0F; A val1 = get();
478 c.v.a = 2.0F; A val2 = get();
480 assertEquals(val1.a, 2.0F);
481 assertEquals(val2.a, 2.0F);
482 }
484 {
485 c.v = new A(); c.v.a = 1.0F; float val1 = get1();
486 c.v.a = 2.0F; float val2 = get1();
487 c.v = new A(); c.v.a = 3.0F; float val3 = get1();
489 assertEquals(val1, 1.0F);
490 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
491 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
492 }
493 }
494 }
496 /* ==================================================== */
498 static class NestedStableField1 {
499 static class A {
500 public @Stable float a;
501 public @Stable A next;
502 }
503 public @Stable A v;
505 public static final NestedStableField1 c = new NestedStableField1();
506 public static A get() { return c.v.next.next.next.next.next.next.next; }
507 public static float get1() { return get().a; }
509 public static void test() throws Exception {
510 {
511 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
512 c.v.a = 1.0F; c.v.next.a = 1.0F; A val1 = get();
513 c.v.a = 2.0F; c.v.next.a = 2.0F; A val2 = get();
515 assertEquals(val1.a, 2.0F);
516 assertEquals(val2.a, 2.0F);
517 }
519 {
520 c.v = new A(); c.v.next = c.v;
521 c.v.a = 1.0F; float val1 = get1();
522 c.v.a = 2.0F; float val2 = get1();
523 c.v = new A(); c.v.next = c.v;
524 c.v.a = 3.0F; float val3 = get1();
526 assertEquals(val1, 1.0F);
527 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
528 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
529 }
530 }
531 }
532 /* ==================================================== */
534 static class NestedStableField2 {
535 static class A {
536 public @Stable float a;
537 public @Stable A left;
538 public A right;
539 }
541 public @Stable A v;
543 public static final NestedStableField2 c = new NestedStableField2();
544 public static float get() { return c.v.left.left.left.a; }
545 public static float get1() { return c.v.left.left.right.left.a; }
547 public static void test() throws Exception {
548 {
549 c.v = new A(); c.v.left = c.v.right = c.v;
550 c.v.a = 1.0F; float val1 = get(); float val2 = get1();
551 c.v.a = 2.0F; float val3 = get(); float val4 = get1();
553 assertEquals(val1, 1.0F);
554 assertEquals(val3, (isStableEnabled ? 1.0F : 2.0F));
556 assertEquals(val2, 1.0F);
557 assertEquals(val4, 2.0F);
558 }
559 }
560 }
562 /* ==================================================== */
564 static class NestedStableField3 {
565 static class A {
566 public @Stable float a;
567 public @Stable A[] left;
568 public A[] right;
569 }
571 public @Stable A[] v;
573 public static final NestedStableField3 c = new NestedStableField3();
574 public static float get() { return c.v[0].left[1].left[0].left[1].a; }
575 public static float get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
577 public static void test() throws Exception {
578 {
579 A elem = new A();
580 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
581 elem.a = 1.0F; float val1 = get(); float val2 = get1();
582 elem.a = 2.0F; float val3 = get(); float val4 = get1();
584 assertEquals(val1, 1.0F);
585 assertEquals(val3, (isStableEnabled ? 1.0F : 2.0F));
587 assertEquals(val2, 1.0F);
588 assertEquals(val4, 2.0F);
589 }
590 }
591 }
593 /* ==================================================== */
594 // Auxiliary methods
595 static void assertEquals(float i, float j) { if (i != j) throw new AssertionError(i + " != " + j); }
596 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
598 static boolean failed = false;
600 public static void run(Class<?> test) {
601 Throwable ex = null;
602 System.out.print(test.getName()+": ");
603 try {
604 test.getMethod("test").invoke(null);
605 } catch (InvocationTargetException e) {
606 ex = e.getCause();
607 } catch (Throwable e) {
608 ex = e;
609 } finally {
610 if (ex == null) {
611 System.out.println("PASSED");
612 } else {
613 failed = true;
614 System.out.println("FAILED");
615 ex.printStackTrace(System.out);
616 }
617 }
618 }
620 static final boolean isStableEnabled;
621 static {
622 HotSpotDiagnosticMXBean diagnostic
623 = ManagementFactoryHelper.getDiagnosticMXBean();
624 VMOption tmp;
625 try {
626 tmp = diagnostic.getVMOption("FoldStableValues");
627 } catch (IllegalArgumentException e) {
628 tmp = null;
629 }
630 isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue()));
631 }
632 }
