| /******************************************************************************* |
| * 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.JLS8); |
| 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(); |
| } |
| } |
| } |