| // 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.shaking; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class UnusedTypeInThrowingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void testTypeIsMarkedAsLive() throws Exception { |
| CodeInspector inspector = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addKeepAttributeExceptions() |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(Main.EXPECTED) |
| .inspector(); |
| |
| assertThat(inspector.clazz(UnusedThrowable.class), isPresent()); |
| // TODO(b/124217402) When done check that THROWABLE_CLASS is kept by the throwing annotation. |
| } |
| |
| static class Main { |
| |
| public static final String EXPECTED = System.currentTimeMillis() >= 0 ? "42" : null; |
| |
| public static void main(String[] args) throws UnusedThrowable { |
| System.out.print(EXPECTED); |
| } |
| } |
| |
| static class UnusedThrowable extends Throwable {} |
| } |