| // Copyright (c) 2019, 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.naming.identifiernamestring; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isRenamed; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| 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 ClassNameComparisonSwitchTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ClassNameComparisonSwitchTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(ClassNameComparisonSwitchTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::verifyClassesHaveBeenMinified) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("A", "B", "C"); |
| } |
| |
| private void verifyClassesHaveBeenMinified(CodeInspector inspector) { |
| for (Class<?> clazz : ImmutableList.of(A.class, B.class, C.class)) { |
| ClassSubject classSubject = inspector.clazz(clazz); |
| assertThat(classSubject, isPresent()); |
| assertThat(classSubject, isRenamed()); |
| } |
| } |
| |
| @Test |
| public void testCorrectnessOfNames() { |
| assertEquals(A.class.getName(), TestClass.NAME_A); |
| assertEquals(B.class.getName(), TestClass.NAME_B); |
| } |
| |
| static class TestClass { |
| |
| private static final String NAME_A = |
| "com.android.tools.r8.naming.identifiernamestring.ClassNameComparisonSwitchTest$A"; |
| |
| private static final String NAME_B = |
| "com.android.tools.r8.naming.identifiernamestring.ClassNameComparisonSwitchTest$B"; |
| |
| public static void main(String[] args) { |
| System.out.println(test(A.class)); |
| System.out.println(test(B.class)); |
| System.out.println(test(C.class)); |
| } |
| |
| @NeverInline |
| static String test(Class<?> clazz) { |
| switch (clazz.getName()) { |
| case NAME_A: |
| return "A"; |
| case NAME_B: |
| return "B"; |
| default: |
| return "C"; |
| } |
| } |
| } |
| |
| static class A {} |
| |
| static class B {} |
| |
| static class C {} |
| } |