| // 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.shaking.ifrule; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| 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.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class NoLongerSatisfiedIfRuleTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public NoLongerSatisfiedIfRuleTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(NoLongerSatisfiedIfRuleTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| "-if class " + A.class.getTypeName(), |
| "-keep class " + B.class.getTypeName() + " { void m(); }") |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("B"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| assertThat(inspector.clazz(A.class), not(isPresent())); |
| |
| ClassSubject bClassSubject = inspector.clazz(B.class); |
| assertThat(bClassSubject, isPresent()); |
| assertThat(bClassSubject.uniqueMethodWithName("m"), isAbsent()); |
| } |
| |
| static class TestClass { |
| |
| static boolean alwaysFalse = false; |
| |
| public static void main(String[] args) { |
| if (alwaysFalse) { |
| System.out.println(new A()); |
| } |
| System.out.println(new B()); |
| } |
| } |
| |
| static class A {} |
| |
| static class B { |
| |
| void m() {} |
| |
| @Override |
| public String toString() { |
| return "B"; |
| } |
| } |
| } |