| // 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.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.TestParameters; |
| import org.junit.Test; |
| |
| public class ClassesWithStaticFields extends HorizontalClassMergingTestBase { |
| public ClassesWithStaticFields(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> inspector.assertMergedInto(B.class, A.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("a: 0", "b: 0", "a: 1", "b: 1") |
| .inspect( |
| codeInspector -> { |
| assertThat(codeInspector.clazz(A.class), isPresent()); |
| assertThat(codeInspector.clazz(B.class), isAbsent()); |
| }); |
| } |
| |
| @NeverClassInline |
| public static class A { |
| public static int counter; |
| |
| public A() { |
| System.out.println("a: " + counter++); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| public static int counter; |
| |
| public B() { |
| System.out.println("b: " + counter++); |
| } |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| new A(); |
| new B(); |
| new A(); |
| new B(); |
| } |
| } |
| } |