| // 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 com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.AnyOf.anyOf; |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| import com.android.tools.r8.NeverMerge; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FieldSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| /** |
| * Tests that the fields of two interfaces I and J are given distinct names, when the interfaces |
| * have a common sub class, which does not implement both interfaces directly. |
| */ |
| @RunWith(Parameterized.class) |
| public class ReservedFieldNameInInterfacesWithCommonSubClassTest extends TestBase { |
| |
| private final boolean reserveName; |
| |
| @Parameterized.Parameters(name = "Reserve name: {0}") |
| public static Boolean[] data() { |
| return BooleanUtils.values(); |
| } |
| |
| public ReservedFieldNameInInterfacesWithCommonSubClassTest(boolean reserveName) { |
| this.reserveName = reserveName; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("Hello world!"); |
| CodeInspector inspector = |
| testForR8(Backend.DEX) |
| .addProgramClasses(TestClass.class, A.class, B.class, I.class, J.class) |
| .enableMergeAnnotations() |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| reserveName |
| ? "-keepclassmembernames class " |
| + J.class.getTypeName() |
| + "{ java.lang.String a; }" |
| : "") |
| .run(TestClass.class) |
| .assertSuccessWithOutput(expectedOutput) |
| .inspector(); |
| |
| ClassSubject iClassSubject = inspector.clazz(I.class); |
| assertThat(iClassSubject, isPresent()); |
| |
| ClassSubject jClassSubject = inspector.clazz(J.class); |
| assertThat(jClassSubject, isPresent()); |
| |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| |
| ClassSubject bClassSubject = inspector.clazz(B.class); |
| assertThat(bClassSubject, isPresent()); |
| |
| FieldSubject f1FieldSubject = iClassSubject.uniqueFieldWithName("f1"); |
| assertThat(f1FieldSubject, isPresent()); |
| |
| FieldSubject aFieldSubject = jClassSubject.uniqueFieldWithName("a"); |
| assertThat(aFieldSubject, isPresent()); |
| |
| if (reserveName) { |
| assertEquals("b", f1FieldSubject.getFinalName()); |
| assertEquals("a", aFieldSubject.getFinalName()); |
| } else { |
| assertThat(f1FieldSubject.getFinalName(), anyOf(is("a"), is("b"))); |
| assertThat(aFieldSubject.getFinalName(), anyOf(is("a"), is("b"))); |
| assertNotEquals(aFieldSubject.getFinalName(), f1FieldSubject.getFinalName()); |
| } |
| } |
| |
| @NeverMerge |
| interface I { |
| |
| String f1 = System.currentTimeMillis() >= 0 ? "Hello " : null; |
| } |
| |
| @NeverMerge |
| interface J { |
| |
| String a = System.currentTimeMillis() >= 0 ? "world!" : null; |
| } |
| |
| @NeverMerge |
| static class A implements I {} |
| |
| @NeverMerge |
| static class B extends A implements J { |
| |
| @Override |
| public String toString() { |
| return f1 + a; |
| } |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(new B()); |
| } |
| } |
| } |