| // 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.clinit; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| 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.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class ClassNotInitializedByCheckCastTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ClassNotInitializedByCheckCastTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(ClassNotInitializedByCheckCastTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("null"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| // Check that A is removed. |
| assertThat(inspector.clazz(A.class), isAbsent()); |
| } |
| |
| static class TestClass { |
| |
| static Object object = System.currentTimeMillis() >= 0 ? null : new Object(); |
| |
| public static void main(String[] args) { |
| System.out.println((A) object); |
| } |
| } |
| |
| static class A { |
| |
| static { |
| System.out.println("Hello world!"); |
| } |
| } |
| } |