| // 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.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.graph.AccessFlags; |
| 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 NoLongerSyntheticConstructorTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public NoLongerSyntheticConstructorTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class, B.class) |
| .addProgramClassFileData( |
| transformer(A.class) |
| .setAccessFlags(A.class.getDeclaredConstructor(), AccessFlags::setSynthetic) |
| .transform()) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| "-if class " + A.class.getTypeName() + " {", |
| " synthetic <init>();", |
| "}", |
| "-keep class " + B.class.getTypeName()) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| assertThat(inspector.clazz(B.class), isPresent()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(new A()); |
| } |
| } |
| |
| static class A { |
| |
| int x; |
| |
| A() { |
| this(42); |
| } |
| |
| A(int x) { |
| this.x = x; |
| } |
| } |
| |
| static class B {} |
| } |