| // 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.ifrule.verticalclassmerging; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverInline; |
| 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 org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class KeepIfPresentRuleWithVerticalClassMergingTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public KeepIfPresentRuleWithVerticalClassMergingTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(KeepIfPresentRuleWithVerticalClassMergingTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| "-if class * extends " + A.class.getTypeName(), "-keep class <1> { <init>(...); }") |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject classASubject = inspector.clazz(A.class); |
| assertThat(classASubject, not(isPresent())); |
| |
| ClassSubject classBSubject = inspector.clazz(B.class); |
| assertThat(classBSubject, isPresent()); |
| assertThat(classBSubject.init(), isPresent()); |
| assertThat(classBSubject.uniqueMethodWithName("greet"), isPresent()); |
| assertEquals(2, classBSubject.allMethods().size()); |
| } |
| ) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| B.greet(); |
| } |
| } |
| |
| static class A {} |
| |
| static class B extends A { |
| |
| @NeverInline |
| static void greet() { |
| System.out.println("Hello world!"); |
| } |
| } |
| } |