| // 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.isFieldOfArrayType; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isFieldOfType; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.FieldSubject; |
| import org.junit.Test; |
| |
| public class FieldTypeMergedTest extends HorizontalClassMergingTestBase { |
| public FieldTypeMergedTest(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("a", "b", "bar", "bar", "bar") |
| .inspect( |
| codeInspector -> { |
| ClassSubject aClassSubject = codeInspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat(codeInspector.clazz(B.class), isAbsent()); |
| |
| ClassSubject cClassSubject = codeInspector.clazz(C.class); |
| assertThat(codeInspector.clazz(C.class), isPresent()); |
| |
| FieldSubject fieldSubject = cClassSubject.uniqueFieldWithName("fieldB"); |
| assertThat(fieldSubject, isPresent()); |
| assertThat(fieldSubject, isFieldOfType(aClassSubject.getDexProgramClass().getType())); |
| |
| fieldSubject = cClassSubject.uniqueFieldWithName("fieldArrayB"); |
| assertThat(fieldSubject, isPresent()); |
| assertTrue(fieldSubject.getDexField().type.isArrayType()); |
| assertThat( |
| fieldSubject, |
| isFieldOfArrayType(codeInspector, aClassSubject.getDexProgramClass().getType())); |
| }); |
| } |
| |
| @NeverClassInline |
| public static class A { |
| public A() { |
| System.out.println("a"); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| public B() { |
| System.out.println("b"); |
| } |
| |
| @NeverInline |
| public void bar() { |
| System.out.println("bar"); |
| } |
| } |
| |
| @NeverClassInline |
| public static class C { |
| B fieldB; |
| B[] fieldArrayB; |
| |
| public C(B b) { |
| fieldB = b; |
| fieldArrayB = new B[] {b, b}; |
| } |
| |
| @NeverInline |
| public void foo() { |
| fieldB.bar(); |
| for (B b : fieldArrayB) { |
| b.bar(); |
| } |
| } |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| new A(); |
| B b = new B(); |
| new C(b).foo(); |
| } |
| } |
| } |