| // 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 static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import org.junit.Test; |
| |
| public class LargeConstructorsMergingTest extends HorizontalClassMergingTestBase { |
| public LargeConstructorsMergingTest( |
| 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)) |
| .addOptionsModification(options -> options.testing.verificationSizeLimitInBytesOverride = 4) |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .addHorizontallyMergedClassesInspectorIf( |
| enableHorizontalClassMerging, |
| inspector -> |
| inspector.assertMergedInto(B.class, A.class).assertMergedInto(C.class, A.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("a: 1", "b: 2", "c: 3") |
| .inspect( |
| codeInspector -> { |
| ClassSubject aClassSubject = codeInspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat( |
| codeInspector.clazz(B.class), notIf(isPresent(), enableHorizontalClassMerging)); |
| assertThat( |
| codeInspector.clazz(C.class), notIf(isPresent(), enableHorizontalClassMerging)); |
| |
| if (enableHorizontalClassMerging) { |
| // There should be three constructors on class A after merging. |
| assertEquals(3, aClassSubject.allMethods().size()); |
| } |
| }); |
| } |
| |
| @NeverClassInline |
| public static class A { |
| public A(int v) { |
| System.out.println("a: " + v); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| public B(int v) { |
| System.out.println("b: " + v); |
| } |
| } |
| |
| @NeverClassInline |
| public static class C { |
| public C(int v) { |
| System.out.println("c: " + v); |
| } |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| new A(1); |
| new B(2); |
| new C(3); |
| } |
| } |
| } |