| // Copyright (c) 2022, 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.forceproguardcompatibility.defaultctor; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.ProguardVersion; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRunResult; |
| import com.android.tools.r8.TestShrinkerBuilder; |
| import com.android.tools.r8.utils.StringUtils; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class KeepClassMembersDefaultCtorTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("A()"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDefaultCfRuntime().build(); |
| } |
| |
| public KeepClassMembersDefaultCtorTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testReference() throws Exception { |
| testForRuntime(parameters) |
| .addInnerClasses(KeepClassMembersDefaultCtorTest.class) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testCompatR8() throws Exception { |
| run(testForR8Compat(parameters.getBackend()), false); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| run(testForR8(parameters.getBackend()), true); |
| } |
| |
| @Test |
| public void testPG() throws Exception { |
| run(testForProguard(ProguardVersion.getLatest()).addDontWarn(getClass()), false); |
| } |
| |
| private TestRunResult<?> run(TestShrinkerBuilder<?, ?, ?, ?, ?> builder, boolean fullMode) |
| throws Exception { |
| return builder |
| .addInnerClasses(KeepClassMembersDefaultCtorTest.class) |
| .addKeepRules("-keepclassmembers class * { <fields>; }") |
| .addKeepClassAndMembersRules(TestClass.class) |
| .addDontObfuscate() |
| .run(parameters.getRuntime(), TestClass.class) |
| .inspectFailure( |
| inspector -> { |
| assertThat(inspector.clazz(A.class), isPresent()); |
| assertThat(inspector.clazz(A.class).init(), isAbsent()); |
| assertThat(inspector.clazz(A.class).uniqueFieldWithOriginalName("y"), isPresent()); |
| assertThat( |
| inspector.clazz(A.class).uniqueFieldWithOriginalName("x"), |
| fullMode ? isAbsent() : isPresent()); |
| }) |
| .assertFailureWithErrorThatThrows(NoSuchMethodException.class); |
| } |
| |
| static class A { |
| |
| public long x = System.nanoTime(); |
| public static long y = System.nanoTime(); |
| |
| public A() { |
| System.out.println("A()"); |
| } |
| } |
| |
| static class TestClass { |
| |
| public static A getA() { |
| // Since TestClass.A is hard kept, the shrinker can't assume anything about the return value. |
| return null; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| String name = args.length == 0 ? "A" : null; |
| Class<?> clazz = |
| Class.forName( |
| TestClass.class.getPackage().getName() + ".KeepClassMembersDefaultCtorTest$" + name); |
| Object obj = clazz.getConstructor().newInstance(); |
| if (args.length > 0) { |
| // Use the field so we are sure that the keep rule triggers. |
| A a = getA(); |
| System.out.println(a.y); |
| System.out.println(a.x); |
| } |
| } |
| } |
| } |