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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.dx;
import com.android.jack.TestTools;
import com.android.jack.test.category.RuntimeRegressionTest;
import com.android.jack.test.helper.FileChecker;
import com.android.jack.test.helper.RuntimeTestHelper;
import com.android.jack.test.runtime.RuntimeTest;
import com.android.jack.test.runtime.RuntimeTestInfo;
import com.android.jack.test.toolchain.AbstractTestTools;
import com.android.jack.test.toolchain.IToolchain;
import junit.framework.Assert;
import org.jf.dexlib.CodeItem;
import org.jf.dexlib.DexFile;
import org.jf.dexlib.ClassDataItem.EncodedMethod;
import org.jf.dexlib.Code.Instruction;
import org.jf.dexlib.Code.Opcode;
import org.jf.dexlib.Code.Analysis.AnalyzedInstruction;
import org.jf.dexlib.Code.Analysis.MethodAnalyzer;
import org.jf.dexlib.Code.Format.Instruction23x;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import java.io.File;
import javax.annotation.Nonnull;
public class DxTests extends RuntimeTest {
private RuntimeTestInfo COMPILER = new RuntimeTestInfo(
AbstractTestTools.getTestRootDir("com.android.jack.dx.compiler"),
"com.android.jack.dx.compiler.dx.Tests");
private RuntimeTestInfo OPTIMIZER = new RuntimeTestInfo(
AbstractTestTools.getTestRootDir("com.android.jack.dx.optimizer"),
"com.android.jack.dx.optimizer.dx.Tests");
private RuntimeTestInfo OVERLAPPING = new RuntimeTestInfo(
AbstractTestTools.getTestRootDir("com.android.jack.dx.overlapping"),
"com.android.jack.dx.overlapping.dx.Tests");
@BeforeClass
public static void setUpClass() {
DxTests.class.getClassLoader().setDefaultAssertionStatus(true);
}
@Test
@Category(RuntimeRegressionTest.class)
public void compiler() throws Exception {
new RuntimeTestHelper(COMPILER).compileAndRunTest();
}
@Test
@Category(RuntimeRegressionTest.class)
public void optimizer() throws Exception {
new RuntimeTestHelper(OPTIMIZER).compileAndRunTest();
}
@Test
@Category(RuntimeRegressionTest.class)
public void overlapping() throws Exception {
new RuntimeTestHelper(OVERLAPPING)
.addTestExeFileChecker(new FileChecker() {
@Override
public void check(@Nonnull File file) throws Exception {
DexFile dexFile = new DexFile(file);
EncodedMethod em =
TestTools.getEncodedMethod(dexFile,
"Lcom/android/jack/dx/overlapping/jack/Data;", "test002",
"(IJJ)J");
checkThatRegistersDoesNotOverlap(em);
}
})
.addTestExeFileChecker(new FileChecker() {
@Override
public void check(@Nonnull File file) throws Exception {
DexFile dexFile = new DexFile(file);
EncodedMethod em =
TestTools.getEncodedMethod(dexFile,
"Lcom/android/jack/dx/overlapping/jack/Data;", "test001",
"(IJJ)J");
checkThatRegistersDoesNotOverlap(em);
}
})
.compileAndRunTest();
}
@Test
@Ignore("Dx register allocator use div_int instead of div_int_2addr in some cases.")
public void testRegallocator() throws Exception {
IToolchain toolchain = AbstractTestTools.getCandidateToolchain();
File dexOutDir = AbstractTestTools.createTempDir();
File outFile = new File(dexOutDir, "classes.dex");
toolchain.addToClasspath(toolchain.getDefaultBootClasspath())
.srcToExe(
dexOutDir,
/* zipFile = */ false,
AbstractTestTools.getTestRootDir("com.android.jack.dx.regallocator.jack"));
DexFile dexFile = new DexFile(outFile);
CodeItem ci =
TestTools.getEncodedMethod(dexFile, "Lcom/android/jack/dx/regallocator/jack/Data;",
"compute1", "(I)I").codeItem;
Assert.assertTrue(hasOpcode(ci, Opcode.DIV_INT_2ADDR));
ci =
TestTools.getEncodedMethod(dexFile, "Lcom/android/jack/dx/regallocator/jack/Data;",
"compute2", "(I)I").codeItem;
Assert.assertTrue(hasOpcode(ci, Opcode.DIV_INT_2ADDR));
}
private boolean hasOpcode(@Nonnull CodeItem codeItem, @Nonnull Opcode opcode) {
for (Instruction inst : codeItem.getInstructions()) {
if (inst.opcode == opcode) {
return true;
}
}
return false;
}
private void checkThatRegistersDoesNotOverlap(@Nonnull EncodedMethod em) {
MethodAnalyzer ma = new MethodAnalyzer(em, false, null);
for (AnalyzedInstruction ai : ma.getInstructions()) {
if (ai.getInstruction() instanceof Instruction23x) {
Instruction23x inst = (Instruction23x) ai.getInstruction();
// Register overlaps in the following cases
// v0, v1 = ..., v1, v2
// v0, v1 = v1, v2, ...
// v1, v2 = ..., v0, v1
// v1, v2 = v0, v1, ...
if (inst.getRegisterA() + 1 == inst.getRegisterC()
|| inst.getRegisterA() + 1 == inst.getRegisterB()
|| inst.getRegisterA() == inst.getRegisterC() + 1
|| inst.getRegisterA() == inst.getRegisterB() + 1) {
Assert.fail("Register overlapping");
}
}
}
}
@Override
protected void fillRtTestInfos() {
rtTestInfos.add(COMPILER);
rtTestInfos.add(OPTIMIZER);
rtTestInfos.add(OVERLAPPING);
}
}
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