| // Copyright (c) 2021, 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.desugar; |
| |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.cf.CfVersion; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.io.IOException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class VirtualInvokePrivateTest extends TestBase implements Opcodes { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters() |
| .withCfRuntimes() |
| .withDexRuntimes() |
| .withAllApiLevelsAlsoForCf() |
| .build(); |
| } |
| |
| private static final String EXPECTED_OUTPUT = StringUtils.lines("Hello, world!", "21", "6"); |
| |
| @Test |
| public void testReference() throws Exception { |
| assumeTrue(parameters.getRuntime().isCf()); |
| assumeTrue(parameters.getApiLevel().isEqualTo(AndroidApiLevel.B)); |
| |
| testForJvm() |
| .addProgramClassFileData(transformInvokeSpecialToInvokeVirtual()) |
| .run(parameters.getRuntime(), TestRunner.class) |
| .assertSuccessWithOutput(EXPECTED_OUTPUT); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| parameters.assumeR8TestParameters(); |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(transformInvokeSpecialToInvokeVirtual()) |
| .addKeepMainRule(TestRunner.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestRunner.class) |
| .assertSuccessWithOutput(EXPECTED_OUTPUT); |
| } |
| |
| private byte[] transformInvokeSpecialToInvokeVirtual() throws IOException { |
| return transformer(TestRunner.class) |
| .setVersion(CfVersion.V1_8) |
| .transformMethodInsnInMethod( |
| "main", |
| ((opcode, owner, name, descriptor, isInterface, continuation) -> { |
| continuation.visitMethodInsn( |
| name.equals("hello") ? Opcodes.INVOKEVIRTUAL : opcode, |
| owner, |
| name, |
| descriptor, |
| isInterface); |
| })) |
| .transform(); |
| } |
| |
| public static class TestRunner { |
| private String hello() { |
| return "Hello, world!"; |
| } |
| |
| private String hello(int i1, int i2, int i3, int i4, int i5, int i6) { |
| return "" + (i1 + i2 + i3 + i4 + i5 + i6); |
| } |
| |
| private String hello(long l1, long l2, long l3) { |
| return "" + (l1 + l2 + l3); |
| } |
| |
| public static void main(String[] args) { |
| // The 3 private methods "hello" are called with invokevirtual. |
| System.out.println(new TestRunner().hello()); |
| System.out.println(new TestRunner().hello(1, 2, 3, 4, 5, 6)); |
| System.out.println(new TestRunner().hello(1L, 2L, 3L)); |
| } |
| } |
| } |