| // Copyright (c) 2019, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.cf; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| /** Test for some dup_x bytecodes that no existing test actually generate. */ |
| @RunWith(Parameterized.class) |
| public class InstructionsTest extends TestBase implements Opcodes { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public InstructionsTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| if (parameters.isCfRuntime()) { |
| testForJvm() |
| .addProgramClassFileData(dump()) |
| .run(parameters.getRuntime(), "Test") |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(dump()) |
| .addKeepMainRule("Test") |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), "Test") |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| public static String[] EXPECTED = new String[] {"12312", "73.427", "3.0213.0", "321.032"}; |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit(V1_6, ACC_PUBLIC | ACC_SUPER, "Test", null, "java/lang/Object", null); |
| |
| classWriter.visitSource("Test.java", null); |
| |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| // Test for dup2x1 with ...,single,single,single |
| methodVisitor.visitLdcInsn(3); |
| methodVisitor.visitLdcInsn(2); |
| methodVisitor.visitLdcInsn(1); |
| methodVisitor.visitInsn(DUP2_X1); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| println(methodVisitor); |
| // Test for dup1x2 with wide,single,... |
| methodVisitor.visitLdcInsn((double) 3.42); |
| methodVisitor.visitLdcInsn(7); |
| methodVisitor.visitInsn(DUP_X2); |
| printInt(methodVisitor); |
| printDouble(methodVisitor); |
| printInt(methodVisitor); |
| println(methodVisitor); |
| // Test for dup2x2 with wide,single,single,... |
| methodVisitor.visitLdcInsn(1); |
| methodVisitor.visitLdcInsn(2); |
| methodVisitor.visitLdcInsn((double) 3.0); |
| methodVisitor.visitInsn(DUP2_X2); |
| printDouble(methodVisitor); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| printDouble(methodVisitor); |
| println(methodVisitor); |
| // Test for dup2x2 with single,single,wide,... |
| methodVisitor.visitLdcInsn((double) 1.0); |
| methodVisitor.visitLdcInsn(2); |
| methodVisitor.visitLdcInsn(3); |
| methodVisitor.visitInsn(DUP2_X2); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| printDouble(methodVisitor); |
| printInt(methodVisitor); |
| printInt(methodVisitor); |
| println(methodVisitor); |
| // Tests done. |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(10, 20); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| return classWriter.toByteArray(); |
| } |
| |
| private static void printInt(MethodVisitor methodVisitor) { |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitInsn(SWAP); |
| methodVisitor.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(I)V", false); |
| } |
| |
| private static void printDouble(MethodVisitor methodVisitor) { |
| methodVisitor.visitVarInsn(DSTORE, 1); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitVarInsn(DLOAD, 1); |
| methodVisitor.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(D)V", false); |
| } |
| |
| private static void println(MethodVisitor methodVisitor) { |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "()V", false); |
| } |
| } |