| /* |
| * Copyright (C) 2012 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.cast; |
| |
| |
| import com.android.jack.TestTools; |
| import com.android.jack.backend.dex.DexFileWriter; |
| 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.Code.Instruction; |
| import org.jf.dexlib.Code.Opcode; |
| import org.junit.Test; |
| |
| import java.io.File; |
| |
| import javax.annotation.Nonnull; |
| |
| public class UselessCastRemoverTest { |
| |
| @Nonnull |
| private static final String CAST = "com/android/jack/transformations/cast/jack/Data"; |
| |
| @Nonnull |
| private static final String CAST_USELESS002 = "com/android/jack/cast/useless002/jack/UselessCast"; |
| @Nonnull |
| private static final String CAST_USELESS003 = "com/android/jack/cast/useless003/jack/UselessCast"; |
| |
| |
| @Test |
| public void test001() throws Exception { |
| compileAndCheckUselessCast("com.android.jack.cast.test001", |
| "Lcom/android/jack/cast/test001/jack/Test001;", "get", |
| "(Lcom/android/jack/cast/test001/jack/Test001;)I"); |
| } |
| |
| @Test |
| public void test002() throws Exception { |
| compileAndCheckUselessCast("com.android.jack.cast.test002", |
| "Lcom/android/jack/cast/test002/jack/Test002;", "get", |
| "(Lcom/android/jack/cast/test002/jack/Test002;)I"); |
| } |
| |
| @Test |
| public void test003() throws Exception { |
| compileAndCheckUselessCast("com.android.jack.cast.test003", |
| "Lcom/android/jack/cast/test003/jack/Test003;", "get", |
| "(Lcom/android/jack/cast/test003/jack/A;)I"); |
| } |
| |
| private void compileAndCheckUselessCast(@Nonnull String testPackage, @Nonnull String typeSig, |
| @Nonnull String methodName, @Nonnull String methSig) throws Exception { |
| File testFolder = AbstractTestTools.getTestRootDir(testPackage); |
| File outFolder = AbstractTestTools.createTempDir(); |
| File out = new File(outFolder, DexFileWriter.DEX_FILENAME); |
| |
| IToolchain toolchain = AbstractTestTools.getCandidateToolchain(); |
| toolchain.addToClasspath(toolchain.getDefaultBootClasspath()) |
| .srcToExe(outFolder, |
| /* zipFile = */false, testFolder); |
| |
| DexFile dexFile = new DexFile(out); |
| CodeItem ci = TestTools.getEncodedMethod(dexFile, typeSig, methodName, methSig).codeItem; |
| |
| Assert.assertFalse(hasOpcode(ci, Opcode.CHECK_CAST)); |
| Assert.assertFalse(hasOpcode(ci, Opcode.CHECK_CAST_JUMBO)); |
| } |
| |
| private boolean hasOpcode(@Nonnull CodeItem codeItem, @Nonnull Opcode opcode) { |
| for (Instruction inst : codeItem.getInstructions()) { |
| if (inst.opcode == opcode) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } |