1 /*
2 * Copyright (c) 2013, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 package org.graalvm.compiler.hotspot.test;
25
26 import java.util.ArrayDeque;
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.Collections;
30 import java.util.HashMap;
31 import java.util.List;
32 import java.util.concurrent.atomic.AtomicReference;
33
34 import org.junit.Assert;
35 import org.junit.Test;
36
37 import org.graalvm.compiler.core.test.GraalCompilerTest;
38
39 import jdk.vm.ci.hotspot.HotSpotInstalledCode;
40 import jdk.vm.ci.meta.ResolvedJavaMethod;
41
42 /**
43 * The following tests perform object/array equality and assignments in various ways. The selected
44 * cases have been the problematic ones while implementing the Compressed Oops support.
45 */
46 public class CompressedOopTest extends GraalCompilerTest {
47
48 private HotSpotInstalledCode getInstalledCode(String name, Class<?>... parameterTypes) throws Exception {
49 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod(getClass(), name, parameterTypes);
50 final HotSpotInstalledCode installedBenchmarkCode = (HotSpotInstalledCode) getCode(javaMethod);
51 return installedBenchmarkCode;
52 }
53
54 @Test
55 public void test() throws Exception {
56 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("fieldTest", Object.class);
57 Container c1 = new Container();
58 Assert.assertEquals(c1.b, installedBenchmarkCode.executeVarargs(c1));
59 }
60
61 public static Object fieldTest(Object c1) {
62 ((Container) c1).a = ((Container) c1).b;
63 return ((Container) c1).a;
64 }
65
66 @Test
67 public void test1() throws Exception {
68 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("arrayTest", Object.class, Object.class, Object.class);
69 ArrayContainer ac = new ArrayContainer();
70 Assert.assertEquals(ac.a[9], installedBenchmarkCode.executeVarargs(ac.a, 0, 9));
71 Assert.assertEquals(ac.a[8], installedBenchmarkCode.executeVarargs(ac.a, 1, 8));
72 Assert.assertEquals(ac.a[7], installedBenchmarkCode.executeVarargs(ac.a, 2, 7));
73 Assert.assertEquals(ac.a[6], installedBenchmarkCode.executeVarargs(ac.a, 3, 6));
74 Assert.assertEquals(ac.a[5], installedBenchmarkCode.executeVarargs(ac.a, 4, 5));
75 Assert.assertEquals(ac.a[4], installedBenchmarkCode.executeVarargs(ac.a, 5, 4));
76 Assert.assertEquals(ac.a[3], installedBenchmarkCode.executeVarargs(ac.a, 6, 3));
77 Assert.assertEquals(ac.a[2], installedBenchmarkCode.executeVarargs(ac.a, 7, 2));
78 Assert.assertEquals(ac.a[1], installedBenchmarkCode.executeVarargs(ac.a, 8, 1));
79 Assert.assertEquals(ac.a[0], installedBenchmarkCode.executeVarargs(ac.a, 9, 0));
80 }
81
82 public static Object arrayTest(Object c1, Object c2, Object c3) {
83 Object[] array = (Object[]) c1;
84 int initialIndex = ((Integer) c2).intValue();
85 int replacingIndex = ((Integer) c3).intValue();
86 array[initialIndex] = array[replacingIndex];
87 return array[initialIndex];
88 }
89
90 @Test
91 public void test2() throws Exception {
92 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("arrayCopyTest", Object.class, Object.class);
93 ArrayContainer source = new ArrayContainer();
94 ArrayContainer destination = new ArrayContainer();
95 Assert.assertEquals(source.a.length, destination.a.length);
96 Assert.assertFalse(Arrays.equals(source.a, destination.a));
97 installedBenchmarkCode.executeVarargs(source.a, destination.a);
98 Assert.assertArrayEquals(source.a, destination.a);
99 }
100
101 public static void arrayCopyTest(Object c1, Object c2) {
102 Object[] source = (Object[]) c1;
103 Object[] destination = (Object[]) c2;
104 System.arraycopy(source, 0, destination, 0, source.length);
105 }
106
107 @Test
108 public void test3() throws Exception {
109 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("compareAndSwapTest", Object.class, Object.class, Object.class);
110 Object initial = new Object();
111 Object replacement = new Object();
112 AtomicReference<Object> cas = new AtomicReference<>();
113 Assert.assertEquals(cas.get(), null);
114 installedBenchmarkCode.executeVarargs(cas, null, initial);
115 Assert.assertEquals(cas.get(), initial);
116 installedBenchmarkCode.executeVarargs(cas, initial, replacement);
117 Assert.assertEquals(cas.get(), replacement);
118 }
119
120 @SuppressWarnings("unchecked")
121 public static void compareAndSwapTest(Object c1, Object c2, Object c3) throws ClassCastException {
122 AtomicReference<Object> cas = (AtomicReference<Object>) c1;
123 cas.compareAndSet(c2, c3);
124 }
125
126 @Test
127 public void test4() throws Exception {
128 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("charArrayCopyTest", Object.class, Object.class, Object.class);
129 StringContainer1 source1 = new StringContainer1();
130 StringContainer2 source2 = new StringContainer2();
131 char[] result = new char[source1.value.length + source2.value.length];
132 installedBenchmarkCode.executeVarargs(source1.value, source2.value, result);
133 Assert.assertArrayEquals(new char[]{'T', 'e', 's', 't', ' ', 'S', 't', 'r', 'i', 'n', 'g'}, result);
134 }
135
136 public static char[] charArrayCopyTest(Object c1, Object c2, Object c3) {
137 char[] source1 = (char[]) c1;
138 char[] source2 = (char[]) c2;
139 char[] result = (char[]) c3;
140 for (int i = 0; i < source1.length; i++) {
141 result[i] = source1[i];
142 }
143
144 for (int i = 0; i < source2.length; i++) {
145 result[source1.length + i] = source2[i];
146 }
147 return result;
148 }
149
150 @Test
151 public void test5() throws Exception {
152 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("charContainerArrayCopyTest", Object.class, Object.class, Object.class);
153 StringContainer1 source1 = new StringContainer1();
154 StringContainer2 source2 = new StringContainer2();
155 char[] result = new char[source1.value.length + source2.value.length];
156 installedBenchmarkCode.executeVarargs(source1, source2, result);
157 Assert.assertArrayEquals(new char[]{'T', 'e', 's', 't', ' ', 'S', 't', 'r', 'i', 'n', 'g'}, result);
158 }
159
160 public static char[] charContainerArrayCopyTest(Object c1, Object c2, Object c3) {
161 char[] source1 = ((StringContainer1) c1).value;
162 char[] source2 = ((StringContainer2) c2).value;
163 char[] result = (char[]) c3;
164 for (int i = 0; i < source1.length; i++) {
165 result[i] = source1[i];
166 }
167 for (int i = 0; i < source2.length; i++) {
168 result[source1.length + i] = source2[i];
169 }
170 return result;
171 }
172
173 @Test
174 public void test6() throws Exception {
175 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringCopyTest", Object.class, Object.class);
176 String a = new String("Test ");
177 String b = new String("String");
178 String c = (String) installedBenchmarkCode.executeVarargs(a, b);
179 Assert.assertTrue(c.equals("Test String"));
180 }
181
182 public static String stringCopyTest(Object c1, Object c2) {
183 String source = (String) c1;
184 String destination = (String) c2;
185 return source + destination;
186 }
187
188 @Test
189 public void test7() throws Exception {
190 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("queueTest", Object.class, Object.class);
191 ArrayDeque<Object> q = new ArrayDeque<>();
192 Object[] objects = new Object[512];
193 for (int i = 0; i < objects.length; i++) {
194 objects[i] = new Object();
195 }
196 int j = 0;
197 while (j < objects.length) {
198 if (!installedBenchmarkCode.isValid()) {
199 // This can get invalidated due to lack of MDO update
200 installedBenchmarkCode = getInstalledCode("queueTest", Object.class, Object.class);
201 }
202 installedBenchmarkCode.executeVarargs(q, objects[j]);
203 j++;
204 }
205
206 System.gc();
207 Assert.assertTrue(q.size() == objects.length);
208 Assert.assertTrue(!q.isEmpty());
209 j = 0;
210 while (j < objects.length) {
211 Assert.assertTrue(objects[j] == q.remove());
212 j++;
213 }
214
215 Assert.assertTrue(q.size() == 0);
216 Assert.assertTrue(q.isEmpty());
217 }
218
219 @SuppressWarnings("unchecked")
220 public static void queueTest(Object c1, Object c2) {
221 ArrayDeque<Object> queue = (ArrayDeque<Object>) c1;
222 queue.add(c2);
223 }
224
225 @Test
226 public void test8() throws Exception {
227 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("unmodListTest", Object.class);
228 List<Object> list = new ArrayList<>();
229 for (int i = 0; i < 512; i++) {
230 list.add(new Object());
231 }
232 Object[] array = (Object[]) installedBenchmarkCode.executeVarargs(list);
233 Assert.assertTrue(list.size() == array.length);
234 int i = 0;
235 for (Object obj : list) {
236 Assert.assertTrue(obj == array[i]);
237 i++;
238 }
239 }
240
241 @SuppressWarnings("unchecked")
242 public static Object[] unmodListTest(Object c1) {
243 List<Object> queue = (ArrayList<Object>) c1;
244 Object[] result = Collections.unmodifiableCollection(queue).toArray(new Object[queue.size()]);
245 return result;
246 }
247
248 @Test
249 public void test9() throws Exception {
250 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("unmodListTest", Object.class);
251 List<Object> list = new ArrayList<>();
252 Object[] array = (Object[]) installedBenchmarkCode.executeVarargs(list);
253 Assert.assertTrue(list.size() == array.length);
254 }
255
256 public void test10() throws Exception {
257 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("constantTest", Object.class);
258 Container c = new Container();
259 Assert.assertFalse((boolean) installedBenchmarkCode.executeVarargs(c));
260 }
261
262 public static Boolean constantTest(Object c1) {
263 ConstantContainer container = (ConstantContainer) c1;
264 return container.a.equals(container.b);
265 }
266
267 @Test
268 public void test11() throws Exception {
269 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringEqualsTest", Object.class, Object.class);
270 String s1 = new String("Test");
271 String s2 = new String("Test");
272 boolean result = ((Boolean) (installedBenchmarkCode.executeVarargs(s1, s2))).booleanValue();
273 Assert.assertTrue(result);
274 }
275
276 public static Boolean stringEqualsTest(Object c1, Object c2) {
277 return ((String) c1).equals(c2);
278 }
279
280 @Test
281 public void test12() throws Exception {
282 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringConstantEqualsTest", Object.class);
283 String s1 = new String("Test");
284 boolean result = ((Boolean) (installedBenchmarkCode.executeVarargs(s1))).booleanValue();
285 Assert.assertTrue(result);
286 }
287
288 public static Boolean stringConstantEqualsTest(Object c1) {
289 return "Test".equals(c1);
290 }
291
292 @SuppressWarnings("unchecked")
293 public static Object[] unmodListTestByte(Object c1) {
294 List<Byte> queue = (ArrayList<Byte>) c1;
295 Byte[] result = Collections.unmodifiableCollection(queue).toArray(new Byte[queue.size()]);
296 return result;
297 }
298
299 @Test
300 public void test13() throws Exception {
301 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("unmodListTestByte", Object.class);
302 List<Byte> list = new ArrayList<>();
303 Byte[] array = (Byte[]) installedBenchmarkCode.executeVarargs(list);
304 Assert.assertTrue(list.size() == array.length);
305 }
306
307 @Test
308 public void test14() throws Exception {
309 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringBuilderTest", Object.class, Object.class);
310 StringBuilder buffer = new StringBuilder("TestTestTestTestTestTestTest");
311 Assert.assertTrue(buffer.length() == 28);
312 String a = new String("TestTestTestTestTestTestTest");
313 installedBenchmarkCode.executeVarargs(buffer, a.toCharArray());
314 Assert.assertTrue(buffer.length() == 56);
315 Assert.assertTrue(buffer.toString().equals("TestTestTestTestTestTestTestTestTestTestTestTestTestTest"));
316 }
317
318 public static void stringBuilderTest(Object c1, Object c2) {
319 StringBuilder source = (StringBuilder) c1;
320 char[] add = (char[]) c2;
321 for (int i = 0; i < add.length; i++) {
322 source.append(add[i]);
323 }
324 }
325
326 @Test
327 public void test15() throws Exception {
328 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringBuilderTestIn");
329 installedBenchmarkCode.executeVarargs();
330 }
331
332 public static void stringBuilderTestIn() {
333 StringBuilder buffer = new StringBuilder("TestTestTestTestTestTestTest");
334 Assert.assertTrue(buffer.length() == 28);
335 String a = new String("TestTestTestTestTestTestTest");
336 char[] add = a.toCharArray();
337 for (int i = 0; i < add.length; i++) {
338 buffer.append(add[i]);
339 }
340 Assert.assertTrue(buffer.length() == 56);
341 Assert.assertTrue(buffer.toString().equals("TestTestTestTestTestTestTestTestTestTestTestTestTestTest"));
342 }
343
344 @Test
345 public void test16() throws Exception {
346 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringBuilderArrayCopy");
347 installedBenchmarkCode.executeVarargs();
348 }
349
350 public static void stringBuilderArrayCopy() {
351 StringBuilder buffer = new StringBuilder("TestTestTestTestTestTestTest");
352 Assert.assertTrue(buffer.length() == 28);
353 String a = new String("TestTestTestTestTestTestTest");
354 char[] dst = new char[buffer.length() * 2];
355 System.arraycopy(buffer.toString().toCharArray(), 0, dst, 0, buffer.length());
356 System.arraycopy(a.toCharArray(), 0, dst, buffer.length(), buffer.length());
357 Assert.assertTrue(dst.length == 56);
358 Assert.assertTrue(new String(dst).equals("TestTestTestTestTestTestTestTestTestTestTestTestTestTest"));
359 }
360
361 @Test
362 public void test17() throws Exception {
363 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringFormat");
364 installedBenchmarkCode.executeVarargs();
365 }
366
367 public static void stringFormat() {
368 String.format("Hello %d", 0);
369 String.format("Hello %d", -11);
370 String.format("Hello %d", -2147483648);
371 }
372
373 @Test
374 public void test18() throws Exception {
375 HotSpotInstalledCode installedBenchmarkCode = getInstalledCode("stringBuilder");
376 StringBuilder b = (StringBuilder) installedBenchmarkCode.executeVarargs();
377 Assert.assertTrue(b.capacity() == 16);
378 Assert.assertTrue(b.length() == 0);
379 }
380
381 public static Object stringBuilder() {
382 return new StringBuilder();
383 }
384
385 static class Container {
386
387 public Object a = new Object();
388 public Object b = new Object();
389 }
390
391 static class ArrayContainer {
392
393 public Object[] a = new Object[10];
394
395 ArrayContainer() {
396 for (int i = 0; i < 10; i++) {
397 a[i] = new Object();
398 }
399 }
400 }
401
402 static class HashMapContainer {
403
404 public HashMap<Object, Object> a = new HashMap<>();
405
406 HashMapContainer() {
407 for (int i = 0; i < 10; i++) {
408 a.put(new Object(), new Object());
409 }
410 }
411 }
412
413 static class StringContainer1 {
414
415 public char[] value = new char[5];
416
417 StringContainer1() {
418 value[0] = 'T';
419 value[1] = 'e';
420 value[2] = 's';
421 value[3] = 't';
422 value[4] = ' ';
423
424 }
425 }
426
427 static class StringContainer2 {
428
429 public char[] value = new char[6];
430
431 StringContainer2() {
432 value[0] = 'S';
433 value[1] = 't';
434 value[2] = 'r';
435 value[3] = 'i';
436 value[4] = 'n';
437 value[5] = 'g';
438 }
439 }
440
441 static class ConstantContainer {
442
443 public final Object a = new Object();
444 public final Object b = new Object();
445
446 ConstantContainer() {
447
448 }
449 }
450 }