Attachment #75434 for bug #198894

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			joinBackgroudActivities();
			startMeasuring();
			page.showView(JavaUI.ID_PACKAGES);
			stopMeasuring();
		}
	}
	
	protected void finishMeasurements() {
		stopMeasuring();
		commitMeasurements();
		// don't spend more than 500 ms.
		Performance.getDefault().assertPerformanceInAbsoluteBand(fPerformanceMeter, Dimension.ELAPSED_PROCESS, 0, 500);
	}
}





import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.preferences.InstanceScope;

import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.ltk.core.refactoring.CheckConditionsOperation;
import org.eclipse.ltk.core.refactoring.PerformRefactoringOperation;
import org.eclipse.ltk.core.refactoring.Refactoring;
import org.eclipse.ltk.core.refactoring.RefactoringCore;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;

import org.eclipse.jdt.core.ICompilationUnit;

			}
		});
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testAllCleanUps() throws Exception {

		//See https://bugs.eclipse.org/bugs/show_bug.cgi?id=135219
		//		tagAsSummary("Code Clean Up - 25 clean-ups", Dimension.ELAPSED_PROCESS);
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testCodeStyleCleanUp() throws Exception {		

		
		cleanUpRefactoring.addCleanUp(new CodeStyleCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testControlStatementsCleanUp() throws Exception {

		cleanUpRefactoring.addCleanUp(new ControlStatementsCleanUp());
		cleanUpRefactoring.addCleanUp(new ConvertLoopCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testConvertLoopCleanUp() throws Exception {

		cleanUpRefactoring.addCleanUp(new ControlStatementsCleanUp());
		cleanUpRefactoring.addCleanUp(new ConvertLoopCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testExpressionsCleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new ExpressionsCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testJava50CleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new Java50CleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testStringCleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new StringCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testSortMembersCleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new SortMembersCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testUnnecessaryCodeCleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new UnnecessaryCodeCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testUnusedCodeCleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new UnusedCodeCleanUp());
		
		doCleanUp(cleanUpRefactoring);
		cleanUpRefactoring.createChange(null);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
			cleanUpRefactoring.createChange(null);
			finishMeasurements();
		}
	}
	
	public void testVariableDeclarationCleanUp() throws Exception {

		
		cleanUpRefactoring.addCleanUp(new VariableDeclarationCleanUp());
		
		doCleanUp(cleanUpRefactoring);
	}
	
	private void doCleanUp(CleanUpRefactoring refactoring) throws CoreException {
		
		performRefactoring(refactoring, false, IStatus.WARNING, true);
		performRefactoring(refactoring, false, IStatus.WARNING, true);
		
		joinBackgroudActivities();
		for (int i= 0; i < 10; i++) {
			startMeasuring();
			performRefactoring(refactoring, false, IStatus.WARNING, true);
			stopMeasuring();
		}
		
		commitMeasurements();
		assertPerformanceInRelativeBand(Dimension.ELAPSED_PROCESS, -100, +10);
	}
	
	private void performRefactoring(Refactoring refactoring, boolean measure, int maxSeverity, boolean checkUndo) throws CoreException {
		PerformRefactoringOperation operation= new PerformRefactoringOperation(refactoring, CheckConditionsOperation.ALL_CONDITIONS);
		joinBackgroudActivities();
		// Flush the undo manager to not count any already existing undo objects
		// into the heap consumption
		RefactoringCore.getUndoManager().flush();
		System.gc();
		if (measure)
			startMeasuring();
		ResourcesPlugin.getWorkspace().run(operation, null);
		if (measure)
			stopMeasuring();
		assertEquals(true, operation.getConditionStatus().getSeverity() <= maxSeverity);
		assertEquals(true, operation.getValidationStatus().isOK());
		if (checkUndo) {
			assertNotNull(operation.getUndoChange());
		}
		RefactoringCore.getUndoManager().flush();
		System.gc();
	}
	
}

Lines 54-62 Link Here

(-)test cases/org/eclipse/jdt/ui/tests/refactoring/reorg/MoveCompilationUnitPerfTests1.java (-3 / +1 lines)
54	executeRefactoring(1000, 10, true, 1);	54	executeRefactoring(1000, 10, true, 1);
55	}	55	}
56		56
57	protected void finishMeasurements() {	57	protected void assertMeasurements() {
58	stopMeasuring();
59	commitMeasurements();
60	assertPerformanceInRelativeBand(Dimension.CPU_TIME, -100, +10);	58	assertPerformanceInRelativeBand(Dimension.CPU_TIME, -100, +10);
61	}	59	}
62	}	60	}

Lines 106-114 Link Here

(-)test cases/org/eclipse/jdt/ui/tests/refactoring/reorg/RenameMethodWithOverloadPerfTests.java (-3 / +1 lines)
106	pack.createCompilationUnit("Ref" + index + ".java", buf.toString(), false, null);	106	pack.createCompilationUnit("Ref" + index + ".java", buf.toString(), false, null);
107	}	107	}
108		108
109	protected void finishMeasurements() {	109	protected void assertMeasurements() {
110	stopMeasuring();
111	commitMeasurements();
112	assertPerformanceInRelativeBand(Dimension.CPU_TIME, -100, +10);	110	assertPerformanceInRelativeBand(Dimension.CPU_TIME, -100, +10);
113	}	111	}
114	}	112	}

Lines 54-62 Link Here

(-)test cases/org/eclipse/jdt/ui/tests/refactoring/reorg/RenameTypePerfTests1.java (-3 / +1 lines)
54	executeRefactoring(1000, 10, true, 1);	54	executeRefactoring(1000, 10, true, 1);
55	}	55	}
56		56
57	protected void finishMeasurements() {	57	protected void assertMeasurements() {
58	stopMeasuring();
59	commitMeasurements();
60	assertPerformanceInRelativeBand(Dimension.CPU_TIME, -100, +10);	58	assertPerformanceInRelativeBand(Dimension.CPU_TIME, -100, +10);
61	}	59	}
62	}	60	}

Lines 10-15 Link Here

(-)test cases/org/eclipse/jdt/ui/tests/refactoring/reorg/RepeatingRefactoringPerformanceTestCase.java (+12 lines)
10	*******************************************************************************/	10	*******************************************************************************/
11	package org.eclipse.jdt.ui.tests.refactoring.reorg;	11	package org.eclipse.jdt.ui.tests.refactoring.reorg;
12		12
		13	import org.eclipse.test.performance.Dimension;
		14
13	import org.eclipse.jdt.ui.tests.refactoring.infra.RefactoringPerformanceTestCase;	15	import org.eclipse.jdt.ui.tests.refactoring.infra.RefactoringPerformanceTestCase;
14		16
15		17
Lines 34-39 Link Here
34	fTestProject.delete();	36	fTestProject.delete();
35	}	37	}
36	}	38	}
		39	commitMeasurements();
		40	assertMeasurements();
		41	}
		42
		43	protected void finishMeasurements() {
		44	stopMeasuring();
		45	}
		46
		47	protected void assertMeasurements() {
		48	assertPerformanceInRelativeBand(Dimension.ELAPSED_PROCESS, -100, +10);;
37	}	49	}
38		50
39	protected abstract void doExecuteRefactoring(int numberOfCus, int numberOfRefs, boolean measure) throws Exception;	51	protected abstract void doExecuteRefactoring(int numberOfCus, int numberOfRefs, boolean measure) throws Exception;

Return to bug 198894

Lines 56-69 Link Here

(-)performance/org/eclipse/jdt/ui/tests/performance/views/PackageExplorerWarmPerfTest.java (-6 / +2 lines)
56	joinBackgroudActivities();	56	joinBackgroudActivities();
57	startMeasuring();	57	startMeasuring();
58	page.showView(JavaUI.ID_PACKAGES);	58	page.showView(JavaUI.ID_PACKAGES);
59	finishMeasurements();	59	stopMeasuring();
60	}	60	}
61	}
62
63	protected void finishMeasurements() {
64	stopMeasuring();
65	commitMeasurements();	61	commitMeasurements();
66	// don't spend more than 500 ms.	62	// don't spend more than 500 ms.
67	Performance.getDefault().assertPerformanceInAbsoluteBand(fPerformanceMeter, Dimension.ELAPSED_PROCESS, 0, 500);	63	Performance.getDefault().assertPerformanceInAbsoluteBand(fPerformanceMeter, Dimension.ELAPSED_PROCESS, 0, 500);
68	}	64	}
69	}	65	}

Lines 24-32 Link Here

(-)performance/org/eclipse/jdt/ui/tests/performance/views/CleanUpPerfTest.java (-117 / +52 lines)
24		24
25	import org.eclipse.core.runtime.CoreException;	25	import org.eclipse.core.runtime.CoreException;
26	import org.eclipse.core.runtime.IProgressMonitor;	26	import org.eclipse.core.runtime.IProgressMonitor;
27	import org.eclipse.core.runtime.NullProgressMonitor;	27	import org.eclipse.core.runtime.IStatus;
28	import org.eclipse.core.runtime.preferences.InstanceScope;	28	import org.eclipse.core.runtime.preferences.InstanceScope;
29		29
		30	import org.eclipse.core.resources.ResourcesPlugin;
		31
		32	import org.eclipse.ltk.core.refactoring.CheckConditionsOperation;
		33	import org.eclipse.ltk.core.refactoring.PerformRefactoringOperation;
		34	import org.eclipse.ltk.core.refactoring.Refactoring;
		35	import org.eclipse.ltk.core.refactoring.RefactoringCore;
30	import org.eclipse.ltk.core.refactoring.RefactoringStatus;	36	import org.eclipse.ltk.core.refactoring.RefactoringStatus;
31		37
32	import org.eclipse.jdt.core.ICompilationUnit;	38	import org.eclipse.jdt.core.ICompilationUnit;
Lines 194-209 Link Here
194	}	200	}
195	});	201	});
196		202
197	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	203	doCleanUp(cleanUpRefactoring);
198	cleanUpRefactoring.createChange(null);
199
200	joinBackgroudActivities();
201	for (int i= 0; i < 10; i++) {
202	startMeasuring();
203	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
204	cleanUpRefactoring.createChange(null);
205	finishMeasurements();
206	}
207	}	204	}
208		205
209	public void testAllCleanUps() throws Exception {	206	public void testAllCleanUps() throws Exception {
Lines 265-280 Link Here
265	//See https://bugs.eclipse.org/bugs/show_bug.cgi?id=135219	262	//See https://bugs.eclipse.org/bugs/show_bug.cgi?id=135219
266	// tagAsSummary("Code Clean Up - 25 clean-ups", Dimension.ELAPSED_PROCESS);	263	// tagAsSummary("Code Clean Up - 25 clean-ups", Dimension.ELAPSED_PROCESS);
267		264
268	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	265	doCleanUp(cleanUpRefactoring);
269	cleanUpRefactoring.createChange(null);
270
271	joinBackgroudActivities();
272	for (int i= 0; i < 10; i++) {
273	startMeasuring();
274	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
275	cleanUpRefactoring.createChange(null);
276	finishMeasurements();
277	}
278	}	266	}
279		267
280	public void testCodeStyleCleanUp() throws Exception {	268	public void testCodeStyleCleanUp() throws Exception {
Lines 299-314 Link Here
299		287
300	cleanUpRefactoring.addCleanUp(new CodeStyleCleanUp());	288	cleanUpRefactoring.addCleanUp(new CodeStyleCleanUp());
301		289
302	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	290	doCleanUp(cleanUpRefactoring);
303	cleanUpRefactoring.createChange(null);
304
305	joinBackgroudActivities();
306	for (int i= 0; i < 10; i++) {
307	startMeasuring();
308	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
309	cleanUpRefactoring.createChange(null);
310	finishMeasurements();
311	}
312	}	291	}
313		292
314	public void testControlStatementsCleanUp() throws Exception {	293	public void testControlStatementsCleanUp() throws Exception {
Lines 325-340 Link Here
325	cleanUpRefactoring.addCleanUp(new ControlStatementsCleanUp());	304	cleanUpRefactoring.addCleanUp(new ControlStatementsCleanUp());
326	cleanUpRefactoring.addCleanUp(new ConvertLoopCleanUp());	305	cleanUpRefactoring.addCleanUp(new ConvertLoopCleanUp());
327		306
328	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	307	doCleanUp(cleanUpRefactoring);
329	cleanUpRefactoring.createChange(null);
330
331	joinBackgroudActivities();
332	for (int i= 0; i < 10; i++) {
333	startMeasuring();
334	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
335	cleanUpRefactoring.createChange(null);
336	finishMeasurements();
337	}
338	}	308	}
339		309
340	public void testConvertLoopCleanUp() throws Exception {	310	public void testConvertLoopCleanUp() throws Exception {
Lines 350-365 Link Here
350	cleanUpRefactoring.addCleanUp(new ControlStatementsCleanUp());	320	cleanUpRefactoring.addCleanUp(new ControlStatementsCleanUp());
351	cleanUpRefactoring.addCleanUp(new ConvertLoopCleanUp());	321	cleanUpRefactoring.addCleanUp(new ConvertLoopCleanUp());
352		322
353	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	323	doCleanUp(cleanUpRefactoring);
354	cleanUpRefactoring.createChange(null);
355
356	joinBackgroudActivities();
357	for (int i= 0; i < 10; i++) {
358	startMeasuring();
359	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
360	cleanUpRefactoring.createChange(null);
361	finishMeasurements();
362	}
363	}	324	}
364		325
365	public void testExpressionsCleanUp() throws Exception {	326	public void testExpressionsCleanUp() throws Exception {
Lines 375-390 Link Here
375		336
376	cleanUpRefactoring.addCleanUp(new ExpressionsCleanUp());	337	cleanUpRefactoring.addCleanUp(new ExpressionsCleanUp());
377		338
378	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	339	doCleanUp(cleanUpRefactoring);
379	cleanUpRefactoring.createChange(null);
380
381	joinBackgroudActivities();
382	for (int i= 0; i < 10; i++) {
383	startMeasuring();
384	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
385	cleanUpRefactoring.createChange(null);
386	finishMeasurements();
387	}
388	}	340	}
389		341
390	public void testJava50CleanUp() throws Exception {	342	public void testJava50CleanUp() throws Exception {
Lines 401-416 Link Here
401		353
402	cleanUpRefactoring.addCleanUp(new Java50CleanUp());	354	cleanUpRefactoring.addCleanUp(new Java50CleanUp());
403		355
404	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	356	doCleanUp(cleanUpRefactoring);
405	cleanUpRefactoring.createChange(null);
406
407	joinBackgroudActivities();
408	for (int i= 0; i < 10; i++) {
409	startMeasuring();
410	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
411	cleanUpRefactoring.createChange(null);
412	finishMeasurements();
413	}
414	}	357	}
415		358
416	public void testStringCleanUp() throws Exception {	359	public void testStringCleanUp() throws Exception {
Lines 425-440 Link Here
425		368
426	cleanUpRefactoring.addCleanUp(new StringCleanUp());	369	cleanUpRefactoring.addCleanUp(new StringCleanUp());
427		370
428	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	371	doCleanUp(cleanUpRefactoring);
429	cleanUpRefactoring.createChange(null);
430
431	joinBackgroudActivities();
432	for (int i= 0; i < 10; i++) {
433	startMeasuring();
434	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
435	cleanUpRefactoring.createChange(null);
436	finishMeasurements();
437	}
438	}	372	}
439		373
440	public void testSortMembersCleanUp() throws Exception {	374	public void testSortMembersCleanUp() throws Exception {
Lines 450-465 Link Here
450		384
451	cleanUpRefactoring.addCleanUp(new SortMembersCleanUp());	385	cleanUpRefactoring.addCleanUp(new SortMembersCleanUp());
452		386
453	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	387	doCleanUp(cleanUpRefactoring);
454	cleanUpRefactoring.createChange(null);
455
456	joinBackgroudActivities();
457	for (int i= 0; i < 10; i++) {
458	startMeasuring();
459	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
460	cleanUpRefactoring.createChange(null);
461	finishMeasurements();
462	}
463	}	388	}
464		389
465	public void testUnnecessaryCodeCleanUp() throws Exception {	390	public void testUnnecessaryCodeCleanUp() throws Exception {
Lines 472-487 Link Here
472		397
473	cleanUpRefactoring.addCleanUp(new UnnecessaryCodeCleanUp());	398	cleanUpRefactoring.addCleanUp(new UnnecessaryCodeCleanUp());
474		399
475	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	400	doCleanUp(cleanUpRefactoring);
476	cleanUpRefactoring.createChange(null);
477
478	joinBackgroudActivities();
479	for (int i= 0; i < 10; i++) {
480	startMeasuring();
481	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
482	cleanUpRefactoring.createChange(null);
483	finishMeasurements();
484	}
485	}	401	}
486		402
487	public void testUnusedCodeCleanUp() throws Exception {	403	public void testUnusedCodeCleanUp() throws Exception {
Lines 502-517 Link Here
502		418
503	cleanUpRefactoring.addCleanUp(new UnusedCodeCleanUp());	419	cleanUpRefactoring.addCleanUp(new UnusedCodeCleanUp());
504		420
505	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	421	doCleanUp(cleanUpRefactoring);
506	cleanUpRefactoring.createChange(null);
507
508	joinBackgroudActivities();
509	for (int i= 0; i < 10; i++) {
510	startMeasuring();
511	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());
512	cleanUpRefactoring.createChange(null);
513	finishMeasurements();
514	}
515	}	422	}
516		423
517	public void testVariableDeclarationCleanUp() throws Exception {	424	public void testVariableDeclarationCleanUp() throws Exception {
Lines 529-543 Link Here
529		436
530	cleanUpRefactoring.addCleanUp(new VariableDeclarationCleanUp());	437	cleanUpRefactoring.addCleanUp(new VariableDeclarationCleanUp());
531		438
532	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	439	doCleanUp(cleanUpRefactoring);
533	cleanUpRefactoring.createChange(null);	440	}
		441
		442	private void doCleanUp(CleanUpRefactoring refactoring) throws CoreException {
		443
		444	performRefactoring(refactoring, false, IStatus.WARNING, true);
		445	performRefactoring(refactoring, false, IStatus.WARNING, true);
534		446
535	joinBackgroudActivities();
536	for (int i= 0; i < 10; i++) {	447	for (int i= 0; i < 10; i++) {
537	startMeasuring();	448	startMeasuring();
538	cleanUpRefactoring.checkAllConditions(new NullProgressMonitor());	449	performRefactoring(refactoring, false, IStatus.WARNING, true);
539	cleanUpRefactoring.createChange(null);	450	stopMeasuring();
540	finishMeasurements();	451	}
		452
		453	commitMeasurements();
		454	assertPerformanceInRelativeBand(Dimension.ELAPSED_PROCESS, -100, +10);
		455	}
		456
		457	private void performRefactoring(Refactoring refactoring, boolean measure, int maxSeverity, boolean checkUndo) throws CoreException {
		458	PerformRefactoringOperation operation= new PerformRefactoringOperation(refactoring, CheckConditionsOperation.ALL_CONDITIONS);
		459	joinBackgroudActivities();
		460	// Flush the undo manager to not count any already existing undo objects
		461	// into the heap consumption
		462	RefactoringCore.getUndoManager().flush();
		463	System.gc();
		464	if (measure)
		465	startMeasuring();
		466	ResourcesPlugin.getWorkspace().run(operation, null);
		467	if (measure)
		468	stopMeasuring();
		469	assertEquals(true, operation.getConditionStatus().getSeverity() <= maxSeverity);
		470	assertEquals(true, operation.getValidationStatus().isOK());
		471	if (checkUndo) {
		472	assertNotNull(operation.getUndoChange());
541	}	473	}
		474	RefactoringCore.getUndoManager().flush();
		475	System.gc();
542	}	476	}
		477
543	}	478	}