| // 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; |
| |
| import static junit.framework.TestCase.assertEquals; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.AnyOf.anyOf; |
| import static org.hamcrest.core.Is.is; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NeverMerge; |
| 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 com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import org.hamcrest.core.AnyOf; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| /** |
| * MethodNameMinificationPrivateNamedLastTest tests that private methods are named after public |
| * methods. Private methods can be named freely and should not influence how public methods are |
| * named. |
| */ |
| @RunWith(Parameterized.class) |
| public class MethodNameMinificationPrivateNamedLastTest extends TestBase { |
| |
| public static final String EXPECTED_OUTPUT = |
| StringUtils.lines("A.m1", "A.m2", "B.m1", "B.m2", "B.m3", "C.m1", "C.m2", "C.m3", "C.m4"); |
| |
| @NeverMerge |
| public static class A { |
| |
| @NeverInline |
| public void m1() { |
| System.out.println("A.m1"); |
| m2(); |
| } |
| |
| @NeverInline |
| private void m2() { |
| System.out.println("A.m2"); |
| } |
| } |
| |
| @NeverMerge |
| public static class B extends A { |
| |
| @NeverInline |
| public void m1() { |
| System.out.println("B.m1"); |
| m2(); |
| } |
| |
| @NeverInline |
| private void m2() { |
| System.out.println("B.m2"); |
| } |
| |
| @NeverInline |
| public void m3() { |
| System.out.println("B.m3"); |
| } |
| } |
| |
| @NeverMerge |
| public static class C extends B { |
| |
| @NeverInline |
| public void m1() { |
| System.out.println("C.m1"); |
| m2(); |
| } |
| |
| @NeverInline |
| private void m2() { |
| System.out.println("C.m2"); |
| } |
| |
| @NeverInline |
| public void m3() { |
| System.out.println("C.m3"); |
| m4(); |
| } |
| |
| @NeverInline |
| private void m4() { |
| System.out.println("C.m4"); |
| } |
| } |
| |
| public static class Runner { |
| |
| public static void main(String[] args) { |
| A a = new A(); |
| a.m1(); |
| B b = new B(); |
| b.m1(); |
| b.m3(); |
| C c = new C(); |
| c.m1(); |
| c.m3(); |
| } |
| } |
| |
| private TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public MethodNameMinificationPrivateNamedLastTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testInheritedNamingState() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(MethodNameMinificationPrivateNamedLastTest.class) |
| .enableMergeAnnotations() |
| .enableInliningAnnotations() |
| .addKeepMainRule(Runner.class) |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .run(parameters.getRuntime(), Runner.class) |
| .assertSuccessWithOutput(EXPECTED_OUTPUT) |
| .inspect( |
| inspector -> { |
| assertEquals("a", inspector.clazz(A.class).uniqueMethodWithName("m1").getFinalName()); |
| assertEquals("b", inspector.clazz(A.class).uniqueMethodWithName("m2").getFinalName()); |
| assertEquals("a", inspector.clazz(B.class).uniqueMethodWithName("m1").getFinalName()); |
| assertEquals("c", inspector.clazz(B.class).uniqueMethodWithName("m2").getFinalName()); |
| assertEquals("b", inspector.clazz(B.class).uniqueMethodWithName("m3").getFinalName()); |
| ClassSubject cSubject = inspector.clazz(C.class); |
| assertEquals("a", cSubject.uniqueMethodWithName("m1").getFinalName()); |
| assertEquals("b", cSubject.uniqueMethodWithName("m3").getFinalName()); |
| AnyOf<String> cPrivateNamesP = anyOf(is("c"), is("d")); |
| assertThat(cSubject.uniqueMethodWithName("m2").getFinalName(), cPrivateNamesP); |
| assertThat(cSubject.uniqueMethodWithName("m4").getFinalName(), cPrivateNamesP); |
| }); |
| } |
| } |