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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.jack.test.helper;
import com.android.jack.backend.jayce.JayceFileImporter;
import com.android.jack.test.runner.DalvikRunnerHost;
import com.android.jack.test.runner.RuntimeRunnerFactory;
import com.android.jack.test.toolchain.AbstractTestTools;
import com.android.jack.test.toolchain.JackBasedToolchain;
import com.android.jack.test.toolchain.JillBasedToolchain;
import junit.framework.Assert;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nonnull;
/**
* This class is used to write tests on incremental compilation.
*/
public class IncrementalTestHelper {
@Nonnull
private final File testingFolder;
@Nonnull
private final File sourceFolder;
@Nonnull
private final File dexOutDir;
@Nonnull
private final File dexFile;
@Nonnull
private final File compilerStateFolder;
@Nonnull
private final File jackFolder;
@Nonnull
private final Set<File> javaFiles = new HashSet<File>();
@Nonnull
private final Map<String, Long> fileModificationDate = new HashMap<String, Long>();
public IncrementalTestHelper(@Nonnull File testingFolder) throws IOException {
this.testingFolder = testingFolder;
this.sourceFolder = new File(testingFolder, "src");
if (!this.sourceFolder.mkdirs()) {
throw new IOException("Failed to create folder " + this.sourceFolder.getAbsolutePath());
}
compilerStateFolder = new File(testingFolder, "compileState");
if (!compilerStateFolder.exists() && !compilerStateFolder.mkdir()) {
throw new IOException("Failed to create folder " + compilerStateFolder.getAbsolutePath());
}
dexOutDir = new File(testingFolder, "outputBinary");
if (!dexOutDir.exists() && !dexOutDir.mkdir()) {
throw new IOException("Failed to create folder " + dexOutDir.getAbsolutePath());
}
dexFile = new File(dexOutDir, "classes.dex");
jackFolder = new File(compilerStateFolder, "jackFiles");
}
@Nonnull
public File addJavaFile(@Nonnull String packageName, @Nonnull String fileName,
@Nonnull String fileContent) throws IOException {
File file = AbstractTestTools.createJavaFile(sourceFolder, packageName, fileName, fileContent);
javaFiles.add(file);
return file;
}
public void deleteJavaFile(@Nonnull File javaFile)
throws IOException {
AbstractTestTools.deleteFile(javaFile);
javaFiles.remove(javaFile);
}
@Nonnull
public File getCompilerStateFolder() {
return compilerStateFolder;
}
public void cleanSnapshot() {
fileModificationDate.clear();
}
public void snapshotJackFilesModificationDate() {
List<File> jackFiles = new ArrayList<File>();
fillJackFiles(jackFolder, jackFiles);
for (File jackFile : jackFiles) {
fileModificationDate.put(jackFile.getAbsolutePath(), Long.valueOf(jackFile.lastModified()));
}
}
private void fillJackFiles(@Nonnull File file, @Nonnull List<File> jackFiles) {
if (file.isDirectory()) {
for (File subFile : file.listFiles()) {
fillJackFiles(subFile, jackFiles);
}
} else if (file.getName().endsWith(JayceFileImporter.JAYCE_FILE_EXTENSION)) {
jackFiles.add(file);
}
}
@Nonnull
public List<String> getFQNOfRebuiltTypes() {
assert !fileModificationDate.isEmpty();
List<String> fqnOfRebuiltTypes = new ArrayList<String>();
List<File> jackFiles = new ArrayList<File>();
fillJackFiles(jackFolder, jackFiles);
for (File jackFile : jackFiles) {
Long previousDate = fileModificationDate.get(jackFile.getAbsolutePath());
if (previousDate == null || jackFile.lastModified() > previousDate.longValue()) {
String jackFileName = jackFile.getAbsolutePath();
String binaryTypeName = jackFileName.substring(0, jackFileName.indexOf(".jack"));
binaryTypeName = binaryTypeName.substring(jackFolder.getAbsolutePath().length() + 1);
fqnOfRebuiltTypes.add(binaryTypeName.replace(File.separatorChar, '.'));
}
}
return (fqnOfRebuiltTypes);
}
public void incrementalBuildFromFolder() throws Exception {
JackBasedToolchain jackToolchain =
AbstractTestTools.getCandidateToolchain(JackBasedToolchain.class, JillBasedToolchain.class);
jackToolchain.setIncrementalFolder(getCompilerStateFolder());
jackToolchain.srcToExe(
AbstractTestTools.getClasspathAsString(jackToolchain.getDefaultBootClasspath()), dexOutDir,
sourceFolder);
Thread.sleep(1000);
}
@Nonnull
public String run(@Nonnull String mainClass) throws Exception {
DalvikRunnerHost runner =
(DalvikRunnerHost) RuntimeRunnerFactory.create("dalvik-fast-host");
ByteArrayOutputStream out = new ByteArrayOutputStream();
runner.setOutputStream(out);
Assert.assertEquals(0, runner.run(new String [0], new String[] {mainClass}, dexFile));
return out.toString();
}
@Nonnull
public List<File> getJackFiles() {
return AbstractTestTools.getFiles(jackFolder, ".jack");
}
}
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