| // Copyright (c) 2022, 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; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticType; |
| import static org.hamcrest.CoreMatchers.allOf; |
| import static org.hamcrest.CoreMatchers.containsString; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.UnverifiableCfCodeDiagnostic; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class UndefinedLambdaInterfaceRegress232379893 extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("Hello, world"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public UndefinedLambdaInterfaceRegress232379893(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class) |
| .addProgramClassesAndInnerClasses(UserOfUndefinedInterface.class) |
| .addKeepMainRule(TestClass.class) |
| .addDontWarn(UndefinedInterface.class) |
| .addDontShrink() |
| .allowDiagnosticWarningMessages(parameters.isDexRuntime()) |
| .setMinApi(parameters.getApiLevel()) |
| .compileWithExpectedDiagnostics( |
| diagnostics -> { |
| if (parameters.isDexRuntime()) { |
| diagnostics.assertWarningsMatch( |
| allOf( |
| diagnosticType(UnverifiableCfCodeDiagnostic.class), |
| diagnosticMessage( |
| containsString( |
| "Unverifiable code in `void " |
| + TestClass.class.getTypeName() |
| + ".main(java.lang.String[])`")))); |
| } |
| }) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| interface UndefinedInterface { |
| void foo(); |
| } |
| |
| static class UserOfUndefinedInterface { |
| public static void bar(UndefinedInterface i) { |
| throw new RuntimeException("unused method"); |
| } |
| } |
| |
| static class TestClass { |
| public static void main(String[] args) { |
| if (System.nanoTime() < 0) { |
| UserOfUndefinedInterface.bar(() -> System.out.println("unused lambda")); |
| } else { |
| System.out.println("Hello, world"); |
| } |
| } |
| } |
| } |