| // 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; |
| |
| 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.utils.StringUtils; |
| 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 KeepClassMembersFieldTest extends TestBase { |
| |
| private static final String KEEP_RULE = |
| StringUtils.lines( |
| "-keepclassmembers,allowshrinking class " + Foo.class.getTypeName() + " {", |
| " <fields>;", |
| "}"); |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public KeepClassMembersFieldTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Throwable { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Foo.class) |
| .addKeepRules(KEEP_RULE) |
| .setMinApi(parameters) |
| .compile() |
| .inspect( |
| inspector -> |
| assertThat( |
| inspector.clazz(Foo.class).uniqueFieldWithOriginalName("value"), isPresent())) |
| .run(parameters.getRuntime(), Foo.class) |
| .assertSuccessWithEmptyOutput(); |
| } |
| |
| static class Bar {} |
| |
| static class Foo { |
| |
| Bar value = new Bar(); |
| |
| public static void main(String[] args) { |
| new Foo(); |
| } |
| } |
| } |