| // Copyright (c) 2024, 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; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| 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.StringUtils; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ConditionalKeepOnUsedFieldTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("0"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDefaultRuntimes().withMinimumApiLevel().build(); |
| } |
| |
| public ConditionalKeepOnUsedFieldTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(ConditionalKeepOnUsedFieldTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters) |
| .addKeepRules("-if class **$A { *** used; } -keepclassmembers class <1>$A { <2> x; }") |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED) |
| .inspect( |
| inspector -> |
| assertThat( |
| inspector.clazz(A.class).uniqueFieldWithOriginalName("x"), |
| // TODO(b/322910135): The conditional rule should have kept x. |
| isAbsent())); |
| } |
| |
| static class A { |
| // This field is used but its value trivial. |
| public final int used = 0; |
| public static final int x = 1; |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| A a = System.nanoTime() < 0 ? null : new A(); |
| System.out.println(a.used); |
| } |
| } |
| } |