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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.tools.merger.test011;
import com.android.jack.JackAbortException;
import com.android.jack.Main;
import com.android.jack.backend.dex.DexWritingException;
import com.android.jack.backend.dex.SingleDexOverflowException;
import com.android.jack.test.category.SlowTests;
import com.android.jack.test.toolchain.AbstractTestTools;
import com.android.jack.tools.merger.FieldIdOverflowException;
import com.android.jack.tools.merger.MergerTestTools;
import com.android.jack.tools.merger.MethodIdOverflowException;
import com.android.jack.tools.merger.TypeIdOverflowException;
import junit.framework.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
/**
* JUnit test checking that merging can throw overflow exceptions.
*/
public class MergerTest011 extends MergerTestTools {
private static int fileCount = 655;
@Nonnull
private static final String EXPECTED_MESSAGE =
"Error during the dex writing phase: classes.dex has too many IDs. Try using multi-dex";
@BeforeClass
public static void setUpClass() {
Main.class.getClassLoader().setDefaultAssertionStatus(true);
}
@Test
public void testMergerWithHighNumberOfMethods() throws Exception {
File srcFolder = AbstractTestTools.createTempDir();
// One CstMethodRef is also created for call to object.init()
for (int fileIdx = 0; fileIdx < fileCount; fileIdx++) {
generateJavaFileWithMethods(srcFolder, fileIdx, 100);
}
generateJavaFileWithMethods(srcFolder, fileCount, 36);
ByteArrayOutputStream err = new ByteArrayOutputStream();
try {
buildOneDexPerType(srcFolder, /* withDebug = */false, /* out = */ null, err);
Assert.fail();
} catch (JackAbortException e) {
Throwable cause = e.getCause();
Assert.assertTrue(cause instanceof DexWritingException);
Assert.assertTrue(cause.getCause() instanceof SingleDexOverflowException);
Assert.assertTrue(cause.getCause().getCause() instanceof MethodIdOverflowException);
Assert.assertTrue(err.toString().contains(EXPECTED_MESSAGE));
}
}
@Test
public void testMergerWithHighNumberOfFields() throws Exception {
File srcFolder = AbstractTestTools.createTempDir();
for (int fileIdx = 0; fileIdx < fileCount; fileIdx++) {
generateJavaFileWithFields(srcFolder, fileIdx, 100);
}
generateJavaFileWithFields(srcFolder, fileCount, 37);
ByteArrayOutputStream err = new ByteArrayOutputStream();
try {
buildOneDexPerType(srcFolder, /* withDebug = */false, /* out = */ null, err);
Assert.fail();
} catch (JackAbortException e) {
Throwable cause = e.getCause();
Assert.assertTrue(cause instanceof DexWritingException);
Assert.assertTrue(cause.getCause() instanceof SingleDexOverflowException);
Assert.assertTrue(cause.getCause().getCause() instanceof FieldIdOverflowException);
Assert.assertTrue(err.toString().contains(EXPECTED_MESSAGE));
}
}
@Test
@Category(SlowTests.class)
public void testMergerWithHighNumberOfTypes() throws Exception {
File srcFolder = AbstractTestTools.createTempDir();
for (int fileIdx = 0; fileIdx < fileCount; fileIdx++) {
generateJavaFileWithTypes(srcFolder, fileIdx, 100);
}
generateJavaFileWithTypes(srcFolder, fileCount, 36);
ByteArrayOutputStream err = new ByteArrayOutputStream();
try {
buildOneDexPerType(srcFolder, /* withDebug = */false, /* out = */ null, err);
Assert.fail();
} catch (JackAbortException e) {
Throwable cause = e.getCause();
Assert.assertTrue(cause instanceof DexWritingException);
Assert.assertTrue(cause.getCause() instanceof SingleDexOverflowException);
Assert.assertTrue(cause.getCause().getCause() instanceof TypeIdOverflowException);
Assert.assertTrue(err.toString().contains(EXPECTED_MESSAGE));
}
}
private void generateJavaFileWithMethods(@Nonnull File srcFolder, @Nonnegative int fileIdx,
@Nonnegative int methodCount) throws IOException, FileNotFoundException {
File javaFile = new File(srcFolder, "A" + fileIdx + ".java");
if (!javaFile.createNewFile()) {
throw new IOException("Failed to create file " + javaFile.getAbsolutePath());
}
FileOutputStream fos = null;
try {
fos = new FileOutputStream(javaFile);
StringBuilder content =
new StringBuilder("package jack.merger; \n" + "public class A" + fileIdx+ " {");
// -1 due to implicit init method
for (int mthIdx = 0; mthIdx < methodCount - 1; mthIdx++) {
content.append("public void m" + mthIdx + "() {}");
}
content.append("} \n");
fos.write(content.toString().getBytes());
} finally {
if (fos != null) {
fos.close();
}
}
}
private void generateJavaFileWithFields(@Nonnull File srcFolder, @Nonnegative int fileIdx,
@Nonnegative int fieldCount) throws IOException, FileNotFoundException {
File javaFile = new File(srcFolder, "A" + fileIdx + ".java");
if (!javaFile.createNewFile()) {
throw new IOException("Failed to create file " + javaFile.getAbsolutePath());
}
FileOutputStream fos = null;
try {
fos = new FileOutputStream(javaFile);
StringBuilder content =
new StringBuilder("package jack.merger; \n" + "public class A" + fileIdx+ " {");
for (int fieldIdx = 0; fieldIdx < fieldCount; fieldIdx++) {
content.append("public int f" + fieldIdx + ";");
}
content.append("} \n");
fos.write(content.toString().getBytes());
} finally {
if (fos != null) {
fos.close();
}
}
}
private void generateJavaFileWithTypes(@Nonnull File srcFolder, @Nonnegative int fileIdx,
@Nonnegative int typeCount) throws IOException, FileNotFoundException {
File javaFile = new File(srcFolder, "A" + fileIdx + ".java");
if (!javaFile.createNewFile()) {
throw new IOException("Failed to create file " + javaFile.getAbsolutePath());
}
FileOutputStream fos = null;
try {
fos = new FileOutputStream(javaFile);
StringBuilder content =
new StringBuilder("package jack.merger; \n" + "public class A" + fileIdx+ " {");
for (int typeIdx = 0; typeIdx < typeCount; typeIdx++) {
content.append("public class c" + typeIdx + " {}");
}
content.append("} \n");
fos.write(content.toString().getBytes());
} finally {
if (fos != null) {
fos.close();
}
}
}
}
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