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/*******************************************************************************
* Copyright (c) 2016 Sven Strohschein and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sven Strohschein - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.tests.performance;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.ASTParser;
import org.eclipse.jdt.core.dom.ASTVisitor;
import org.eclipse.jdt.core.tests.util.Util;
import org.eclipse.test.performance.PerformanceTestCase;
import junit.framework.Test;
import junit.framework.TestSuite;
public class SecondaryTypesPerformanceTest extends PerformanceTestCase {
private static final String testScratchArea = Util.getOutputDirectory() + File.separator + "enumPerformanceTestScratchArea";
private static final int numberOfClasspathsToCreate = 10; //can get set higher, but not lower than 3 (the first 3 packages are used within the test case)
public static Test suite() {
TestSuite suite = new TestSuite(SecondaryTypesPerformanceTest.class.getName());
suite.addTestSuite(SecondaryTypesPerformanceTest.class);
return suite;
}
@Override
protected void setUp() throws Exception {
super.setUp();
File testScratchAreaFile = new File(testScratchArea);
if(!testScratchAreaFile.exists()) {
testScratchAreaFile.mkdir();
File packageFile = new File(testScratchAreaFile, "test" + File.separator + "performance");
packageFile.mkdirs();
writeDummySourceClasses(packageFile, "test.performance");
Set<String> paths = createClasspathStrings();
for(String path: paths) {
File pathFile = new File(path);
pathFile.mkdir();
writeDummySourceClasses(pathFile, "test.performance." + pathFile.getName());
}
}
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
File testScratchAreaFile = new File(testScratchArea);
if(testScratchAreaFile.exists()) {
Util.delete(testScratchAreaFile);
}
}
public void test01() {
List<String> classpathList = new ArrayList<>();
classpathList.addAll(createClasspathStrings());
classpathList.add(testScratchArea);
for (int i = 0; i<10; ++i) {
ASTParser parser = ASTParser.newParser(AST.JLS9);
parser.setResolveBindings(true);
parser.setStatementsRecovery(true);
parser.setBindingsRecovery(true);
parser.setCompilerOptions(createCompilerOptions());
parser.setUnitName("X");
parser.setKind(ASTParser.K_COMPILATION_UNIT);
parser.setEnvironment(classpathList.toArray(new String[classpathList.size()]), null, null, true);
parser.setSource((""
+ "import test.performance.test1.*;\n"
+ "public enum X\n" +
"{\n" +
" TEST;\n" +
"\n" +
" public void method() {\n" +
" new Z().toString();\n" +
" new test.performance.test2.Z().toString();\n" +
" new test.performance.test3.Z().toString();\n" +
"\n" +
" }\n" +
"}").toCharArray());
startMeasuring();
ASTNode theAST = parser.createAST(null);
theAST.accept(new ASTVisitor() {});
stopMeasuring();
}
//Commit measure
commitMeasurements();
assertPerformance();
}
private Map<String, String> createCompilerOptions() {
Map<String, String> compilerOptions = new HashMap<>(10);
compilerOptions.put(JavaCore.COMPILER_COMPLIANCE, JavaCore.VERSION_1_8);
compilerOptions.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, JavaCore.VERSION_1_8);
compilerOptions.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
compilerOptions.put(JavaCore.COMPILER_TASK_PRIORITIES, JavaCore.COMPILER_TASK_PRIORITY_HIGH);
compilerOptions.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
return compilerOptions;
}
private Set<String> createClasspathStrings() {
Set<String> paths = new LinkedHashSet<>(numberOfClasspathsToCreate);
for(int i = 1; i <= numberOfClasspathsToCreate; i++) {
paths.add(testScratchArea + File.separator + "test" + File.separator + "performance" + File.separator + "test" + i);
}
return paths;
}
private void writeDummySourceClasses(File aPath, String packageName) throws IOException {
writeFile(new File(aPath, "Z.java"), "public class Z {}");
"ABC".toLowerCase(Locale.ENGLISH);
for(int i = 1; i <= 100; i++) {
String sourceContent = "package " + packageName + ";\n" +
"\n" +
"import java.util.Locale;\n" +
"\n" +
"public class X" + i + " {\n" +
"\tpublic X" + i + "() {\n" +
"\t\t\"ABC\".toLowerCase(Locale.ENGLISH);\n" +
"new Object() {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"Test\";\n" +
" }\n" +
" }.toString();" +
"\t}\n" +
"}";
writeFile(new File(aPath, "X" + i + ".java"), sourceContent);
}
}
private void writeFile(File aFile, String aSource) throws IOException {
FileWriter fileWriter = new FileWriter(aFile);
try {
fileWriter.write(aSource);
} finally {
fileWriter.close();
}
}
}
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