| // Copyright (c) 2020, 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.regress.b150274427; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assert.fail; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.transformers.MethodTransformer; |
| import java.io.IOException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class JsrRetRegressionTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public JsrRetRegressionTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testUnreachableJsrRet() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClassFileData(getTransformClass(false)) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertFailureWithErrorThatThrows(RuntimeException.class); |
| } |
| |
| @Test |
| public void testReachableJsrRet() throws Exception { |
| if (parameters.isCfRuntime()) { |
| testForJvm() |
| .addProgramClassFileData(getTransformClass(true)) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertFailureWithErrorThatThrows(VerifyError.class); |
| return; |
| } |
| try { |
| testForD8() |
| .addProgramClassFileData(getTransformClass(true)) |
| .setMinApi(parameters.getApiLevel()) |
| .compileWithExpectedDiagnostics( |
| diagnostics -> { |
| diagnostics.assertErrorMessageThatMatches(containsString("RET")); |
| }); |
| fail(); |
| } catch (CompilationFailedException e) { |
| // Expected error. |
| } |
| } |
| |
| private byte[] getTransformClass(boolean replaceThrow) throws IOException { |
| return transformer(TestClass.class) |
| .setVersion(50) |
| .addMethodTransformer( |
| new MethodTransformer() { |
| @Override |
| public void visitInsn(int opcode) { |
| if (opcode == Opcodes.ATHROW) { |
| if (!replaceThrow) { |
| super.visitInsn(opcode); |
| } |
| super.visitVarInsn(Opcodes.RET, 0); |
| } else { |
| super.visitInsn(opcode); |
| } |
| } |
| }) |
| .transform(); |
| } |
| |
| private static class TestClass { |
| |
| public static void main(String[] args) { |
| throw new RuntimeException(); |
| // Reachable or unreachable JSR inserted here. |
| } |
| } |
| } |