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CodeCompletionPerformanceTest.java
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CodeCompletionPerformanceTest.java
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/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.text.tests.performance;
import java.io.ByteArrayInputStream;
import java.util.Arrays;
import java.util.Hashtable;
import org.eclipse.jdt.testplugin.JavaProjectHelper;
import org.eclipse.jdt.testplugin.TestOptions;
import org.eclipse.test.performance.Dimension;
import org.eclipse.test.performance.PerformanceMeter;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.contentassist.ICompletionProposalExtension2;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jdt.core.CompletionProposal;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.tests.core.ProjectTestSetup;
import org.eclipse.jdt.ui.text.java.CompletionProposalCollector;
import org.eclipse.jdt.ui.text.java.CompletionProposalComparator;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.ui.text.java.JavaContentAssistInvocationContext;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
import org.eclipse.jdt.internal.ui.text.java.FillArgumentNamesCompletionProposalCollector;
import junit.framework.Test;
import junit.framework.TestSuite;
public class CodeCompletionPerformanceTest extends TextPerformanceTestCase {
private static final String PROJECT= "TestProject1";
private static final String SOURCE_FOLDER= "src";
private static final String PACKAGE= "test1";
private static final String CU_NAME= "Completion.java";
private static final Class<CodeCompletionPerformanceTest> THIS= CodeCompletionPerformanceTest.class;
public static Test suite() {
return setUpTest(new TestSuite(THIS));
}
public static Test setUpTest(Test test) {
return new ProjectTestSetup(test);
}
private IJavaProject fJProject1;
private static final int WARM_UP_RUNS= 10;
private static final int MEASURED_RUNS= 10;
private static final int ACC_COMPLETION= 150;
private static final int ACC_APPLICATION= 20;
private static final int ACC_PARAMETER_APPLICATION= 20;
private ICompilationUnit fCU;
private String fContents;
private int fCodeAssistOffset;
private IPackageFragmentRoot fSourceFolder;
private CompilationUnitEditor fEditor;
public CodeCompletionPerformanceTest(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
fJProject1= JavaProjectHelper.createJavaProject(PROJECT, "bin");
JavaProjectHelper.addRTJar(fJProject1);
JavaProjectHelper.addRequiredProject(fJProject1, ProjectTestSetup.getProject());
Hashtable<String, String> options= TestOptions.getDefaultOptions();
options.put(DefaultCodeFormatterConstants.FORMATTER_NUMBER_OF_EMPTY_LINES_TO_PRESERVE, "1");
options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaCore.SPACE);
options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, "4");
options.put(JavaCore.CODEASSIST_FIELD_PREFIXES, "f");
JavaCore.setOptions(options);
IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
store.setValue(PreferenceConstants.CODEGEN_ADD_COMMENTS, true);
store.setValue(PreferenceConstants.CODEASSIST_GUESS_METHOD_ARGUMENTS, false);
setWarmUpRuns(WARM_UP_RUNS);
setMeasuredRuns(MEASURED_RUNS);
fSourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, SOURCE_FOLDER);
IPackageFragment fragment= fSourceFolder.createPackageFragment(PACKAGE, false, null);
fContents= "package test1;\n" +
"\n" +
"public class Completion {\n" +
" \n" +
" void foomethod() {\n" +
" int intVal=5;\n" +
" long longVal=3;\n" +
" Runnable run= null;\n" +
" run.//here\n" +
" }\n" +
"}\n";
fCU= fragment.createCompilationUnit(CU_NAME, fContents, false, null);
String str= "//here";
fCodeAssistOffset= fContents.indexOf(str);
// create dummy editor to apply the proposals in
IFolder folder= fJProject1.getProject().getFolder("tmp");
folder.create(true, true, null);
IFile file2= folder.getFile(CU_NAME);
ByteArrayInputStream stream= new ByteArrayInputStream(fContents.getBytes());
file2.create(stream, true, null);
fEditor= (CompilationUnitEditor) EditorTestHelper.openInEditor(file2, EditorTestHelper.COMPILATION_UNIT_EDITOR_ID, true);
fEditor.getViewer().getDocument().set(fContents);
EditorTestHelper.joinJobs(1000, 10000, 100);
}
private IJavaCompletionProposal[] codeComplete(CompletionProposalCollector collector) throws JavaModelException {
collector.setReplacementLength(0);
fCU.codeComplete(fCodeAssistOffset, collector);
IJavaCompletionProposal[] proposals= collector.getJavaCompletionProposals();
CompletionProposalComparator comparator= new CompletionProposalComparator();
comparator.setOrderAlphabetically(true);
Arrays.sort(proposals, comparator);
return proposals;
}
@Override
protected void tearDown() throws Exception {
EditorTestHelper.closeAllEditors();
IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
store.setToDefault(PreferenceConstants.CODEGEN_ADD_COMMENTS);
store.setToDefault(PreferenceConstants.CODEASSIST_GUESS_METHOD_ARGUMENTS);
JavaProjectHelper.delete(fJProject1);
super.tearDown();
}
public void testCompletionNoParamters() throws Exception {
measureCompletionNoParameters(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeterForGlobalSummary("Java Editor: proposal computation", Dimension.ELAPSED_PROCESS);
measureCompletionNoParameters(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
public void testApplicationNoParamters() throws Exception {
measureApplicationNoParameters(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeter();
measureApplicationNoParameters(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void measureCompletionNoParameters(PerformanceMeter meter, final int runs) throws Exception {
for (int run= 0; run < runs; run++) {
meter.start();
for (int accumulated= 0; accumulated < ACC_COMPLETION; accumulated++) {
CompletionProposalCollector collector= createCollector();
codeComplete(collector);
}
meter.stop();
}
}
private void measureApplicationNoParameters(PerformanceMeter meter, final int runs) throws Exception {
for (int run= 0; run < runs; run++) {
CompletionProposalCollector collector= createCollector();
IJavaCompletionProposal[] proposals= codeComplete(collector);
meter.start();
for (int accumulated= 0; accumulated < ACC_APPLICATION; accumulated++) {
applyProposal(proposals[0]);
applyProposal(proposals[2]);
applyProposal(proposals[9]);
}
meter.stop();
}
}
private CompletionProposalCollector createCollector() {
CompletionProposalCollector collector= new CompletionProposalCollector(fCU);
collector.setInvocationContext(createContext());
return collector;
}
public void testCompletionWithParamterNames() throws Exception {
measureCompletionWithParamterNames(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeterForSummary("Java Editor: proposal computation", Dimension.ELAPSED_PROCESS);
measureCompletionWithParamterNames(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void measureCompletionWithParamterNames(PerformanceMeter meter, final int runs) throws Exception {
for (int run= 0; run < runs; run++) {
meter.start();
for (int accumulated= 0; accumulated < ACC_COMPLETION; accumulated++) {
CompletionProposalCollector collector= new FillArgumentNamesCompletionProposalCollector(createContext());
collector.setIgnored(CompletionProposal.METHOD_REF, false);
codeComplete(collector);
}
meter.stop();
}
}
public void testApplicationWithParamterNames() throws Exception {
measureApplicationWithParamterNames(getNullPerformanceMeter(), getWarmUpRuns());
final PerformanceMeter performanceMeter= createPerformanceMeter();
measureApplicationWithParamterNames(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void measureApplicationWithParamterNames(PerformanceMeter meter, final int runs) throws Exception {
for (int run= 0; run < runs; run++) {
CompletionProposalCollector collector= new FillArgumentNamesCompletionProposalCollector(createContext());
collector.setIgnored(CompletionProposal.METHOD_REF, false);
IJavaCompletionProposal[] proposals= codeComplete(collector);
meter.start();
for (int accumulated= 0; accumulated < ACC_APPLICATION; accumulated++) {
applyProposal(proposals[0]);
applyProposal(proposals[2]);
applyProposal(proposals[9]);
}
meter.stop();
}
}
public void testCompletionWithParamterGuesses() throws Exception {
measureCompletionWithParamterGuesses(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeterForSummary("Java Editor: proposal computation (param guessing)", Dimension.ELAPSED_PROCESS);
measureCompletionWithParamterNames(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void measureCompletionWithParamterGuesses(PerformanceMeter meter, final int runs) throws Exception {
IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
store.setValue(PreferenceConstants.CODEASSIST_GUESS_METHOD_ARGUMENTS, true);
for (int run= 0; run < runs; run++) {
meter.start();
for (int accumulated= 0; accumulated < ACC_COMPLETION; accumulated++) {
CompletionProposalCollector collector= new FillArgumentNamesCompletionProposalCollector(createContext());
collector.setIgnored(CompletionProposal.METHOD_REF, false);
codeComplete(collector);
}
meter.stop();
}
}
public void testApplicationWithParamterGuesses() throws Exception {
measureApplicationWithParamterGuesses(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeterForSummary("Java Editor: proposal insertion (param guessing)", Dimension.ELAPSED_PROCESS);
measureApplicationWithParamterGuesses(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void measureApplicationWithParamterGuesses(PerformanceMeter meter, final int runs) throws Exception {
IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
store.setValue(PreferenceConstants.CODEASSIST_GUESS_METHOD_ARGUMENTS, true);
for (int run= 0; run < runs; run++) {
CompletionProposalCollector collector= new FillArgumentNamesCompletionProposalCollector(createContext());
collector.setIgnored(CompletionProposal.METHOD_REF, false);
IJavaCompletionProposal[] proposals= codeComplete(collector);
meter.start();
for (int accumulated= 0; accumulated < ACC_PARAMETER_APPLICATION; accumulated++) {
applyProposal(proposals[0]);
applyProposal(proposals[2]);
applyProposal(proposals[9]);
}
meter.stop();
}
}
public void testCompletionWithParamterGuesses2() throws Exception {
createTypeHierarchy();
measureCompletionWithParamterGuesses(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeterForSummary("Java Editor: proposal computation (param guesses, in type hierarchy)", Dimension.ELAPSED_PROCESS);
measureCompletionWithParamterNames(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void createTypeHierarchy() throws JavaModelException {
IPackageFragment fragment= fSourceFolder.createPackageFragment("test2", false, null);
String parent= "HashMap";
for (int i= 0; i < 20; i++) {
String cu= "Completion" + i;
String field= "fField" + i;
String content= "package test2;\n" +
"\n" +
"public class " + cu + " extends " + parent + " {\n" +
" int " + field + ";\n" +
" \n" +
" void foomethod() {\n" +
" int intVal=5;\n" +
" long longVal=3;\n" +
" Runnable run= null;\n" +
" Runnable run2= null;\n" +
" run.//here\n" +
" }\n" +
"}\n";
fCU= fragment.createCompilationUnit(cu + ".java", content, false, null);
parent= cu;
fContents= content;
fCodeAssistOffset= content.indexOf( "//here");
}
EditorTestHelper.joinJobs(1000, 10000, 100);
}
public void testApplicationWithParamterGuesses2() throws Exception {
createTypeHierarchy();
measureApplicationWithParamterGuesses(getNullPerformanceMeter(), getWarmUpRuns());
PerformanceMeter performanceMeter= createPerformanceMeterForGlobalSummary("Java Editor: proposal insertion (param guessing)", Dimension.ELAPSED_PROCESS);
measureApplicationWithParamterGuesses(performanceMeter, getMeasuredRuns());
commitAllMeasurements();
assertAllPerformance();
}
private void applyProposal(IJavaCompletionProposal proposal) {
ISourceViewer viewer= fEditor.getViewer();
viewer.getDocument().set(fContents);
viewer.setSelectedRange(fCodeAssistOffset, 0);
if (proposal instanceof ICompletionProposalExtension2) {
ICompletionProposalExtension2 ext= (ICompletionProposalExtension2) proposal;
ext.apply(viewer, '\0', 0, fCodeAssistOffset);
} else {
proposal.apply(viewer.getDocument());
}
}
private JavaContentAssistInvocationContext createContext() {
return new JavaContentAssistInvocationContext(fEditor.getViewer(), fCodeAssistOffset, fEditor);
}
}