| // Copyright (c) 2020, 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.classmerging.horizontal; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.notIf; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.*; |
| import org.junit.Test; |
| |
| public class IdenticalFieldMembersTest extends HorizontalClassMergingTestBase { |
| public IdenticalFieldMembersTest( |
| TestParameters parameters, boolean enableHorizontalClassMerging) { |
| super(parameters, enableHorizontalClassMerging); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addOptionsModification( |
| options -> |
| options.horizontalClassMergerOptions().enableIf(enableHorizontalClassMerging)) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("foo A", "bar 2") |
| .inspect( |
| codeInspector -> { |
| assertThat(codeInspector.clazz(A.class), isPresent()); |
| assertThat( |
| codeInspector.clazz(B.class), notIf(isPresent(), enableHorizontalClassMerging)); |
| }); |
| } |
| |
| @NeverClassInline |
| public static class A { |
| private String field; |
| |
| public A(String v) { |
| this.field = v; |
| } |
| |
| @NeverInline |
| public void foo() { |
| System.out.println("foo " + field); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| private String field; |
| |
| public B(int v) { |
| this.field = Integer.toString(v); |
| } |
| |
| @NeverInline |
| public void bar() { |
| System.out.println("bar " + field); |
| } |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| A a = new A("A"); |
| a.foo(); |
| B b = new B(2); |
| b.bar(); |
| } |
| } |
| } |