1 /*
2 * Copyright (c) 2017, 2018, 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 compiler.valhalla.valuetypes;
25
26 import compiler.whitebox.CompilerWhiteBoxTest;
27 import jdk.test.lib.Asserts;
28 import jdk.test.lib.management.InputArguments;
29 import jdk.test.lib.Platform;
30 import jdk.test.lib.process.ProcessTools;
31 import jdk.test.lib.process.OutputAnalyzer;
32 import jdk.test.lib.Utils;
33 import sun.hotspot.WhiteBox;
34
35 import java.lang.annotation.Retention;
36 import java.lang.annotation.RetentionPolicy;
37 import java.lang.annotation.Repeatable;
38 import java.lang.invoke.*;
39 import java.lang.reflect.Method;
40 import java.util.ArrayList;
41 import java.util.Arrays;
42 import java.util.Hashtable;
43 import java.util.LinkedHashMap;
44 import java.util.List;
45 import java.util.Map;
46 import java.util.regex.Matcher;
47 import java.util.regex.Pattern;
48 import java.util.TreeMap;
49
50 // Mark method as test
51 @Retention(RetentionPolicy.RUNTIME)
52 @Repeatable(Tests.class)
53 @interface Test {
54 // Regular expression used to match forbidden IR nodes
55 // in the C2 IR emitted for this test.
56 String failOn() default "";
57 // Regular expressions used to match and count IR nodes.
58 String[] match() default { };
59 int[] matchCount() default { };
60 int valid() default ValueTypeTest.AllFlags;
61 }
62
63 @Retention(RetentionPolicy.RUNTIME)
64 @interface Tests {
65 Test[] value();
66 }
67
68 // Force method inlining during compilation
69 @Retention(RetentionPolicy.RUNTIME)
70 @interface ForceInline { }
71
72 // Prevent method inlining during compilation
73 @Retention(RetentionPolicy.RUNTIME)
74 @interface DontInline { }
75
76 // Prevent method compilation
77 @Retention(RetentionPolicy.RUNTIME)
78 @interface DontCompile { }
79
80 // Number of warmup iterations
81 @Retention(RetentionPolicy.RUNTIME)
82 @interface Warmup {
83 int value();
84 }
85
86 public abstract class ValueTypeTest {
87 // Run "jtreg -Dtest.c1=true" to enable experimental C1 testing.
88 static final boolean TEST_C1 = Boolean.getBoolean("test.c1");
89
90 // Random test values
91 public static final int rI = Utils.getRandomInstance().nextInt() % 1000;
92 public static final long rL = Utils.getRandomInstance().nextLong() % 1000;
93
94 // User defined settings
95 private static final boolean PRINT_GRAPH = true;
96 private static final boolean PRINT_TIMES = Boolean.parseBoolean(System.getProperty("PrintTimes", "false"));
97 private static boolean VERIFY_IR = Boolean.parseBoolean(System.getProperty("VerifyIR", "true")) && (!TEST_C1);
98 private static final boolean VERIFY_VM = Boolean.parseBoolean(System.getProperty("VerifyVM", "false"));
99 private static final String SCENARIOS = System.getProperty("Scenarios", "");
100 private static final String TESTLIST = System.getProperty("Testlist", "");
101 private static final String EXCLUDELIST = System.getProperty("Exclude", "");
102 private static final int WARMUP = Integer.parseInt(System.getProperty("Warmup", "251"));
103 private static final boolean DUMP_REPLAY = Boolean.parseBoolean(System.getProperty("DumpReplay", "false"));
104
105 // Pre-defined settings
106 private static final List<String> defaultFlags = Arrays.asList(
107 "-XX:-BackgroundCompilation", "-XX:CICompilerCount=1",
108 "-XX:+PrintCompilation", "-XX:+PrintIdeal", "-XX:+PrintOptoAssembly",
109 "-XX:CompileCommand=quiet",
110 "-XX:CompileCommand=compileonly,java.lang.invoke.*::*",
111 "-XX:CompileCommand=compileonly,java.lang.Long::sum",
112 "-XX:CompileCommand=compileonly,java.lang.Object::<init>",
113 "-XX:CompileCommand=compileonly,compiler.valhalla.valuetypes.*::*");
114 private static final List<String> verifyFlags = Arrays.asList(
115 "-XX:+VerifyOops", "-XX:+VerifyStack", "-XX:+VerifyLastFrame", "-XX:+VerifyBeforeGC", "-XX:+VerifyAfterGC",
116 "-XX:+VerifyDuringGC", "-XX:+VerifyAdapterSharing", "-XX:+StressValueTypeReturnedAsFields");
117
118 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
119 protected static final int ValueTypePassFieldsAsArgsOn = 0x1;
120 protected static final int ValueTypePassFieldsAsArgsOff = 0x2;
121 protected static final int ValueTypeArrayFlattenOn = 0x4;
122 protected static final int ValueTypeArrayFlattenOff = 0x8;
123 protected static final int ValueTypeReturnedAsFieldsOn = 0x10;
124 protected static final int ValueTypeReturnedAsFieldsOff = 0x20;
125 static final int AllFlags = ValueTypePassFieldsAsArgsOn | ValueTypePassFieldsAsArgsOff | ValueTypeArrayFlattenOn | ValueTypeArrayFlattenOff | ValueTypeReturnedAsFieldsOn;
126 protected static final boolean ValueTypePassFieldsAsArgs = (Boolean)WHITE_BOX.getVMFlag("ValueTypePassFieldsAsArgs");
127 protected static final boolean ValueTypeArrayFlatten = (Boolean)WHITE_BOX.getVMFlag("ValueArrayFlatten");
128 protected static final boolean ValueTypeReturnedAsFields = (Boolean)WHITE_BOX.getVMFlag("ValueTypeReturnedAsFields");
129 protected static final boolean NullableValueTypes = (Boolean)WHITE_BOX.getVMFlag("NullableValueTypes");
130 protected static final int COMP_LEVEL_ANY = -2;
131 protected static final int COMP_LEVEL_FULL_OPTIMIZATION = TEST_C1 ? 1 : 4;
132 protected static final Hashtable<String, Method> tests = new Hashtable<String, Method>();
133 protected static final boolean USE_COMPILER = WHITE_BOX.getBooleanVMFlag("UseCompiler");
134 protected static final boolean PRINT_IDEAL = WHITE_BOX.getBooleanVMFlag("PrintIdeal");
135 protected static final boolean XCOMP = Platform.isComp();
136
137 // Regular expressions used to match nodes in the PrintIdeal output
138 protected static final String START = "(\\d+\\t(.*";
139 protected static final String MID = ".*)+\\t===.*";
140 protected static final String END = ")|";
141 protected static final String ALLOC = "(.*precise klass compiler/valhalla/valuetypes/MyValue.*\\R(.*(nop|spill).*\\R)*.*_new_instance_Java" + END;
142 protected static final String ALLOCA = "(.*precise klass \\[Lcompiler/valhalla/valuetypes/MyValue.*\\R(.*(nop|spill).*\\R)*.*_new_array_Java" + END;
143 protected static final String LOAD = START + "Load(B|S|I|L|F|D|P|N)" + MID + "@compiler/valhalla/valuetypes/MyValue.*" + END;
144 protected static final String LOADK = START + "LoadK" + MID + END;
145 protected static final String STORE = START + "Store(B|S|I|L|F|D|P|N)" + MID + "@compiler/valhalla/valuetypes/MyValue.*" + END;
146 protected static final String LOOP = START + "Loop" + MID + "" + END;
147 protected static final String TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*(unstable_if|predicate)" + END;
148 protected static final String RETURN = START + "Return" + MID + "returns" + END;
149 protected static final String LINKTOSTATIC = START + "CallStaticJava" + MID + "linkToStatic" + END;
150 protected static final String NPE = START + "CallStaticJava" + MID + "null_check" + END;
151 protected static final String CALL = START + "CallStaticJava" + MID + END;
152 protected static final String STOREVALUETYPEFIELDS = START + "CallStaticJava" + MID + "store_value_type_fields" + END;
153 protected static final String SCOBJ = "(.*# ScObj.*" + END;
154
155 public static String[] concat(String prefix[], String... extra) {
156 ArrayList<String> list = new ArrayList<String>();
157 if (prefix != null) {
158 for (String s : prefix) {
159 list.add(s);
160 }
161 }
162 if (extra != null) {
163 for (String s : extra) {
164 list.add(s);
165 }
166 }
167
168 return list.toArray(new String[list.size()]);
169 }
170
171 /**
172 * Override getNumScenarios and getVMParameters if you want to run with more than
173 * the 5 built-in scenarios
174 */
175 public int getNumScenarios() {
176 if (TEST_C1) {
177 return 1;
178 } else {
179 return 5;
180 }
181 }
182
183 /**
184 * VM paramaters for the 5 built-in test scenarios. If your test needs to append
185 * extra parameters for (some of) these scenarios, override getExtraVMParameters().
186 */
187 public String[] getVMParameters(int scenario) {
188 if (TEST_C1) {
189 return new String[] {
190 "-XX:+EnableValhallaC1",
191 };
192 }
193
194 switch (scenario) {
195 case 0: return new String[] {
196 "-XX:+AlwaysIncrementalInline",
197 "-XX:ValueArrayElemMaxFlatOops=-1",
198 "-XX:ValueArrayElemMaxFlatSize=-1",
199 "-XX:+ValueArrayFlatten",
200 "-XX:ValueFieldMaxFlatSize=-1",
201 "-XX:+ValueTypePassFieldsAsArgs",
202 "-XX:+ValueTypeReturnedAsFields"};
203 case 1: return new String[] {
204 "-XX:-UseCompressedOops",
205 "-XX:ValueArrayElemMaxFlatOops=-1",
206 "-XX:ValueArrayElemMaxFlatSize=-1",
207 "-XX:+ValueArrayFlatten",
208 "-XX:ValueFieldMaxFlatSize=-1",
209 "-XX:-ValueTypePassFieldsAsArgs",
210 "-XX:-ValueTypeReturnedAsFields"};
211 case 2: return new String[] {
212 "-DVerifyIR=false",
213 "-XX:-UseCompressedOops",
214 "-XX:ValueArrayElemMaxFlatOops=0",
215 "-XX:ValueArrayElemMaxFlatSize=0",
216 "-XX:-ValueArrayFlatten",
217 "-XX:ValueFieldMaxFlatSize=0",
218 "-XX:+ValueTypePassFieldsAsArgs",
219 "-XX:+ValueTypeReturnedAsFields"};
220 case 3: return new String[] {
221 "-DVerifyIR=false",
222 "-XX:+AlwaysIncrementalInline",
223 "-XX:ValueArrayElemMaxFlatOops=0",
224 "-XX:ValueArrayElemMaxFlatSize=0",
225 "-XX:ValueFieldMaxFlatSize=0",
226 "-XX:-ValueTypePassFieldsAsArgs",
227 "-XX:-ValueTypeReturnedAsFields"};
228 case 4: return new String[] {
229 "-DVerifyIR=false",
230 "-XX:ValueArrayElemMaxFlatOops=-1",
231 "-XX:ValueArrayElemMaxFlatSize=-1",
232 "-XX:+ValueArrayFlatten",
233 "-XX:ValueFieldMaxFlatSize=0",
234 "-XX:+ValueTypePassFieldsAsArgs",
235 "-XX:-ValueTypeReturnedAsFields"};
236 }
237
238 return null;
239 }
240
241 /**
242 * Override this method to provide extra parameters for selected scenarios
243 */
244 public String[] getExtraVMParameters(int scenario) {
245 return null;
246 }
247
248 public static void main(String[] args) throws Throwable {
249 if (args.length != 1) {
250 throw new RuntimeException("Usage: @run main/othervm/timeout=120 -Xbootclasspath/a:. -ea" +
251 " -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions" +
252 " -XX:+UnlockExperimentalVMOptions -XX:+WhiteBoxAPI -XX:+EnableValhalla" +
253 " compiler.valhalla.valuetypes.ValueTypeTest <YourTestMainClass>");
254 }
255 String testMainClassName = args[0];
256 Class testMainClass = Class.forName(testMainClassName);
257 ValueTypeTest test = (ValueTypeTest)testMainClass.newInstance();
258 List<String> scenarios = null;
259 if (!SCENARIOS.isEmpty()) {
260 scenarios = Arrays.asList(SCENARIOS.split(","));
261 }
262 for (int i=0; i<test.getNumScenarios(); i++) {
263 if (scenarios == null || scenarios.contains(Integer.toString(i))) {
264 System.out.println("Scenario #" + i + " -------- ");
265 String[] cmds = InputArguments.getVmInputArgs();
266 cmds = concat(cmds, test.getVMParameters(i));
267 cmds = concat(cmds, test.getExtraVMParameters(i));
268 cmds = concat(cmds, testMainClassName);
269
270 OutputAnalyzer oa = ProcessTools.executeTestJvm(cmds);
271 String output = oa.getOutput();
272 oa.shouldHaveExitValue(0);
273 System.out.println(output);
274 } else {
275 System.out.println("Scenario #" + i + " is skipped due to -Dscenarios=" + SCENARIOS);
276 }
277 }
278 }
279
280 protected ValueTypeTest() {
281 List<String> list = null;
282 List<String> exclude = null;
283 if (!TESTLIST.isEmpty()) {
284 list = Arrays.asList(TESTLIST.split(","));
285 }
286 if (!EXCLUDELIST.isEmpty()) {
287 exclude = Arrays.asList(EXCLUDELIST.split(","));
288 }
289 // Gather all test methods and put them in Hashtable
290 for (Method m : getClass().getDeclaredMethods()) {
291 Test[] annos = m.getAnnotationsByType(Test.class);
292 if (annos.length != 0 &&
293 ((list == null || list.contains(m.getName())) && (exclude == null || !exclude.contains(m.getName())))) {
294 tests.put(getClass().getSimpleName() + "::" + m.getName(), m);
295 }
296 }
297 }
298
299 protected void run(String[] args, Class<?>... classes) throws Throwable {
300 if (args.length == 0) {
301 // Spawn a new VM instance
302 execute_vm();
303 } else {
304 // Execute tests
305 run(classes);
306 }
307 }
308
309 private void execute_vm() throws Throwable {
310 Asserts.assertFalse(tests.isEmpty(), "no tests to execute");
311 ArrayList<String> args = new ArrayList<String>(defaultFlags);
312 String[] vmInputArgs = InputArguments.getVmInputArgs();
313 if (VERIFY_IR) {
314 for (String arg : vmInputArgs) {
315 if (arg.startsWith("-XX:CompileThreshold")) {
316 // Disable IR verification if
317 VERIFY_IR = false;
318 }
319 // Check if the JVM supports value type specific default arguments from the test's run commands
320 if (arg.startsWith("-XX:+ValueTypePassFieldsAsArgs") ||
321 arg.startsWith("-XX:+ValueTypeReturnedAsFields")) {
322 Boolean value = (Boolean)WHITE_BOX.getVMFlag(arg.substring(5));
323 if (!value) {
324 System.out.println("WARNING: could not enable " + arg.substring(5) + ". Skipping IR verification.");
325 VERIFY_IR = false;
326 }
327 } else if (arg.startsWith("-XX:-ValueTypePassFieldsAsArgs") ||
328 arg.startsWith("-XX:-ValueTypeReturnedAsFields")) {
329 Boolean value = (Boolean)WHITE_BOX.getVMFlag(arg.substring(5));
330 if (value) {
331 System.out.println("WARNING: could not disable " + arg.substring(5) + ". Skipping IR verification.");
332 VERIFY_IR = false;
333 }
334 }
335 }
336 // Always trap for exception throwing to not confuse IR verification
337 args.add("-XX:-OmitStackTraceInFastThrow");
338 }
339 if (VERIFY_VM) {
340 args.addAll(verifyFlags);
341 }
342 // Run tests in own process and verify output
343 args.add(getClass().getName());
344 args.add("run");
345 // Spawn process with default JVM options from the test's run command
346 String[] cmds = Arrays.copyOf(vmInputArgs, vmInputArgs.length + args.size());
347 System.arraycopy(args.toArray(), 0, cmds, vmInputArgs.length, args.size());
348 OutputAnalyzer oa = ProcessTools.executeTestJvm(cmds);
349 // If ideal graph printing is enabled/supported, verify output
350 String output = oa.getOutput();
351 oa.shouldHaveExitValue(0);
352 if (VERIFY_IR) {
353 if (output.contains("PrintIdeal enabled")) {
354 parseOutput(output);
355 } else {
356 System.out.println(output);
357 System.out.println("WARNING: IR verification failed! Running with -Xint, -Xcomp or release build?");
358 }
359 }
360 }
361
362 private void parseOutput(String output) throws Exception {
363 Pattern comp_re = Pattern.compile("\\n\\s+\\d+\\s+\\d+\\s+(%| )(s| )(!| )b(n| )\\s+\\S+\\.(?<name>[^.]+::\\S+)\\s+(?<osr>@ \\d+\\s+)?[(]\\d+ bytes[)]\\n");
364 Matcher m = comp_re.matcher(output);
365 Map<String,String> compilations = new LinkedHashMap<>();
366 int prev = 0;
367 String methodName = null;
368 while (m.find()) {
369 if (prev == 0) {
370 // Print header
371 System.out.print(output.substring(0, m.start()+1));
372 } else if (methodName != null) {
373 compilations.put(methodName, output.substring(prev, m.start()+1));
374 }
375 if (m.group("osr") != null) {
376 methodName = null;
377 } else {
378 methodName = m.group("name");
379 }
380 prev = m.end();
381 }
382 if (prev == 0) {
383 // Print header
384 System.out.print(output);
385 } else if (methodName != null) {
386 compilations.put(methodName, output.substring(prev));
387 }
388 // Iterate over compilation output
389 for (String testName : compilations.keySet()) {
390 Method test = tests.get(testName);
391 if (test == null) {
392 // Skip helper methods
393 continue;
394 }
395 String graph = compilations.get(testName);
396 if (PRINT_GRAPH) {
397 System.out.println("\nGraph for " + testName + "\n" + graph);
398 }
399 // Parse graph using regular expressions to determine if it contains forbidden nodes
400 Test[] annos = test.getAnnotationsByType(Test.class);
401 Test anno = null;
402 for (Test a : annos) {
403 if ((a.valid() & ValueTypePassFieldsAsArgsOn) != 0 && ValueTypePassFieldsAsArgs) {
404 assert anno == null;
405 anno = a;
406 } else if ((a.valid() & ValueTypePassFieldsAsArgsOff) != 0 && !ValueTypePassFieldsAsArgs) {
407 assert anno == null;
408 anno = a;
409 } else if ((a.valid() & ValueTypeArrayFlattenOn) != 0 && ValueTypeArrayFlatten) {
410 assert anno == null;
411 anno = a;
412 } else if ((a.valid() & ValueTypeArrayFlattenOff) != 0 && !ValueTypeArrayFlatten) {
413 assert anno == null;
414 anno = a;
415 } else if ((a.valid() & ValueTypeReturnedAsFieldsOn) != 0 && ValueTypeReturnedAsFields) {
416 assert anno == null;
417 anno = a;
418 } else if ((a.valid() & ValueTypeReturnedAsFieldsOff) != 0 && !ValueTypeReturnedAsFields) {
419 assert anno == null;
420 anno = a;
421 }
422 }
423 assert anno != null;
424 String regexFail = anno.failOn();
425 if (!regexFail.isEmpty()) {
426 Pattern pattern = Pattern.compile(regexFail.substring(0, regexFail.length()-1));
427 Matcher matcher = pattern.matcher(graph);
428 boolean found = matcher.find();
429 Asserts.assertFalse(found, "Graph for '" + testName + "' contains forbidden node:\n" + (found ? matcher.group() : ""));
430 }
431 String[] regexMatch = anno.match();
432 int[] matchCount = anno.matchCount();
433 for (int i = 0; i < regexMatch.length; ++i) {
434 Pattern pattern = Pattern.compile(regexMatch[i].substring(0, regexMatch[i].length()-1));
435 Matcher matcher = pattern.matcher(graph);
436 int count = 0;
437 String nodes = "";
438 while (matcher.find()) {
439 count++;
440 nodes += matcher.group() + "\n";
441 }
442 if (matchCount[i] < 0) {
443 Asserts.assertLTE(Math.abs(matchCount[i]), count, "Graph for '" + testName + "' contains different number of match nodes:\n" + nodes);
444 } else {
445 Asserts.assertEQ(matchCount[i], count, "Graph for '" + testName + "' contains different number of match nodes:\n" + nodes);
446 }
447 }
448 tests.remove(testName);
449 System.out.println(testName + " passed");
450 }
451 // Check if all tests were compiled
452 if (tests.size() != 0) {
453 for (String name : tests.keySet()) {
454 System.out.println("Test '" + name + "' not compiled!");
455 }
456 throw new RuntimeException("Not all tests were compiled");
457 }
458 }
459
460 private void setup(Class<?> clazz) {
461 if (XCOMP) {
462 // Don't control compilation if -Xcomp is enabled
463 return;
464 }
465 if (DUMP_REPLAY) {
466 // Generate replay compilation files
467 String directive = "[{ match: \"*.*\", DumpReplay: true }]";
468 if (WHITE_BOX.addCompilerDirective(directive) != 1) {
469 throw new RuntimeException("Failed to add compiler directive");
470 }
471 }
472
473 Method[] methods = clazz.getDeclaredMethods();
474 for (Method m : methods) {
475 if (m.isAnnotationPresent(Test.class)) {
476 // Don't inline tests
477 WHITE_BOX.testSetDontInlineMethod(m, true);
478 }
479 if (m.isAnnotationPresent(DontCompile.class)) {
480 WHITE_BOX.makeMethodNotCompilable(m, COMP_LEVEL_ANY, true);
481 WHITE_BOX.makeMethodNotCompilable(m, COMP_LEVEL_ANY, false);
482 WHITE_BOX.testSetDontInlineMethod(m, true);
483 }
484 if (m.isAnnotationPresent(ForceInline.class)) {
485 WHITE_BOX.testSetForceInlineMethod(m, true);
486 } else if (m.isAnnotationPresent(DontInline.class)) {
487 WHITE_BOX.testSetDontInlineMethod(m, true);
488 }
489 }
490
491 // Compile class initializers
492 WHITE_BOX.enqueueInitializerForCompilation(clazz, COMP_LEVEL_FULL_OPTIMIZATION);
493 }
494
495 private void run(Class<?>... classes) throws Exception {
496 if (USE_COMPILER && PRINT_IDEAL && !XCOMP) {
497 System.out.println("PrintIdeal enabled");
498 }
499 System.out.format("rI = %d, rL = %d\n", rI, rL);
500
501 setup(getClass());
502 for (Class<?> clazz : classes) {
503 setup(clazz);
504 }
505
506 // Execute tests
507 TreeMap<Long, String> durations = PRINT_TIMES ? new TreeMap<Long, String>() : null;
508 for (Method test : tests.values()) {
509 long startTime = System.nanoTime();
510 Method verifier = getClass().getMethod(test.getName() + "_verifier", boolean.class);
511 // Warmup using verifier method
512 Warmup anno = test.getAnnotation(Warmup.class);
513 int warmup = anno == null ? WARMUP : anno.value();
514 for (int i = 0; i < warmup; ++i) {
515 verifier.invoke(this, true);
516 }
517 // Trigger compilation
518 WHITE_BOX.enqueueMethodForCompilation(test, COMP_LEVEL_FULL_OPTIMIZATION);
519 Asserts.assertTrue(!USE_COMPILER || WHITE_BOX.isMethodCompiled(test, false), test + " not compiled");
520 // Check result
521 verifier.invoke(this, false);
522 if (PRINT_TIMES) {
523 long endTime = System.nanoTime();
524 long duration = (endTime - startTime);
525 durations.put(duration, test.getName());
526 }
527 }
528
529 // Print execution times
530 if (PRINT_TIMES) {
531 System.out.println("\n\nTest execution times:");
532 for (Map.Entry<Long, String> entry : durations.entrySet()) {
533 System.out.format("%-10s%15d ns\n", entry.getValue() + ":", entry.getKey());
534 }
535 }
536 }
537 }