| // 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.compatproguard.ifrules; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestRunResult; |
| import com.android.tools.r8.TestShrinkerBuilder; |
| import com.android.tools.r8.shaking.methods.MethodsTestBase.Shrinker; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.util.List; |
| 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 ConditionalOnInlinedFieldTest extends TestBase { |
| |
| static class A { |
| |
| int field = 42; |
| |
| void method(String name, int field) throws Exception { |
| if (field == 42) { |
| Class<?> clazz = Class.forName(name); |
| Object object = clazz.getDeclaredConstructor().newInstance(); |
| clazz.getDeclaredMethod("method").invoke(object); |
| } |
| } |
| } |
| |
| static class B { |
| void method() { |
| System.out.println("B::method"); |
| } |
| } |
| |
| static class MainWithFieldReference { |
| |
| public static void main(String[] args) throws Exception { |
| A a = new A(); |
| a.method(args[0], a.field); |
| } |
| } |
| |
| static class MainWithoutFieldReference { |
| |
| public static void main(String[] args) throws Exception { |
| A a = new A(); |
| a.method(args[0], 42); |
| } |
| } |
| |
| private static String EXPECTED = StringUtils.lines("B::method"); |
| |
| @Parameters(name = "{0}, {1}, ref:{2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| Shrinker.values(), getTestParameters().withCfRuntimes().build(), BooleanUtils.values()); |
| } |
| |
| private final Shrinker shrinker; |
| private final TestParameters parameters; |
| private final boolean withFieldReference; |
| |
| public ConditionalOnInlinedFieldTest( |
| Shrinker shrinker, TestParameters parameters, boolean withFieldReference) { |
| this.shrinker = shrinker; |
| this.parameters = parameters; |
| this.withFieldReference = withFieldReference; |
| } |
| |
| private Class<?> getMain() { |
| return withFieldReference ? MainWithFieldReference.class : MainWithoutFieldReference.class; |
| } |
| |
| @Test |
| public void testReference() throws Exception { |
| testForJvm() |
| .addProgramClasses(getMain(), A.class, B.class) |
| .run(parameters.getRuntime(), getMain(), B.class.getTypeName()) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| private TestShrinkerBuilder<?, ?, ?, ?, ?> buildShrinker() throws Exception { |
| TestShrinkerBuilder<?, ?, ?, ?, ?> builder; |
| if (shrinker == Shrinker.Proguard) { |
| builder = testForProguard().addDontWarn(ConditionalOnInlinedFieldTest.class); |
| } else if (shrinker == Shrinker.R8Compat) { |
| builder = testForR8Compat(parameters.getBackend()); |
| } else { |
| builder = testForR8(parameters.getBackend()); |
| } |
| return builder |
| .addProgramClasses(getMain(), A.class, B.class) |
| .addKeepMainRule(getMain()) |
| .addKeepRules( |
| "-if class " |
| + A.class.getTypeName() |
| + " { int field; }" |
| + " -keep class " |
| + B.class.getTypeName() |
| + " { void <init>(); void method(); }"); |
| } |
| |
| @Test |
| public void testConditionalOnField() throws Exception { |
| TestRunResult<?> result = |
| buildShrinker().compile().run(parameters.getRuntime(), getMain(), B.class.getTypeName()); |
| if (!withFieldReference && shrinker != Shrinker.Proguard) { |
| // Without the reference we expect an error. For some reason PG keeps in any case. |
| result.assertFailureWithErrorThatThrows(ClassNotFoundException.class); |
| } else { |
| result.assertSuccessWithOutput(EXPECTED); |
| } |
| } |
| } |