| // 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 com.android.tools.r8.utils.codeinspector.Matchers.readsInstanceField; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.classmerging.horizontal.EmptyClassTest.A; |
| import com.android.tools.r8.classmerging.horizontal.EmptyClassTest.B; |
| import com.android.tools.r8.classmerging.horizontal.EmptyClassTest.Main; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.FieldSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| |
| public class ClassesWithDifferentVisibilityFieldsTest extends HorizontalClassMergingTestBase { |
| public ClassesWithDifferentVisibilityFieldsTest(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> inspector.assertMergedInto(B.class, A.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines( |
| "a. v1: 10, v2: 20", "b. v1: 60, v2: 100", "c. v1: 210, v2: 330") |
| .inspect( |
| codeInspector -> { |
| ClassSubject aClassSubject = codeInspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat(codeInspector.clazz(B.class), isAbsent()); |
| assertThat(codeInspector.clazz(C.class), isPresent()); |
| |
| FieldSubject v1Subject = aClassSubject.uniqueFieldWithName("v1"); |
| FieldSubject v2Subject = aClassSubject.uniqueFieldWithName("v2"); |
| |
| MethodSubject methodSubject = aClassSubject.uniqueMethodWithName("getAV1"); |
| assertThat(methodSubject, isPresent()); |
| assertThat(methodSubject, readsInstanceField(v1Subject.getDexField())); |
| |
| methodSubject = aClassSubject.uniqueMethodWithName("getAV2"); |
| assertThat(methodSubject, isPresent()); |
| assertThat(methodSubject, readsInstanceField(v2Subject.getDexField())); |
| |
| // The fields v1 and v2 are swapped, because their access modifiers are swapped. |
| methodSubject = aClassSubject.uniqueMethodWithName("getBV1"); |
| assertThat(methodSubject, isPresent()); |
| assertThat(methodSubject, readsInstanceField(v2Subject.getDexField())); |
| |
| methodSubject = aClassSubject.uniqueMethodWithName("getBV2"); |
| assertThat(methodSubject, isPresent()); |
| assertThat(methodSubject, readsInstanceField(v1Subject.getDexField())); |
| }); |
| } |
| |
| @NeverClassInline |
| public static class A { |
| private int v1; |
| public int v2; |
| |
| public A(int v) { |
| v1 = v; |
| v2 = 2 * v; |
| } |
| |
| @NeverInline |
| public int getAV1() { |
| return v1; |
| } |
| |
| @NeverInline |
| public int getAV2() { |
| return v2; |
| } |
| |
| @NeverInline |
| public void foo() { |
| System.out.println("a. v1: " + getAV1() + ", v2: " + getAV2()); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| public int v1; |
| private int v2; |
| |
| public B(int v) { |
| v1 = 3 * v; |
| v2 = 5 * v; |
| } |
| |
| @NeverInline |
| public int getBV1() { |
| return v1; |
| } |
| |
| @NeverInline |
| public int getBV2() { |
| return v2; |
| } |
| |
| @NeverInline |
| public void foo() { |
| System.out.println("b. v1: " + getBV1() + ", v2: " + getBV2()); |
| } |
| } |
| |
| @NeverClassInline |
| public static class C { |
| public int v1; |
| public int v2; |
| |
| public C(int v) { |
| v1 = 7 * v; |
| v2 = 11 * v; |
| } |
| |
| @NeverInline |
| public void foo() { |
| System.out.println("c. v1: " + v1 + ", v2: " + v2); |
| } |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| new A(10).foo(); |
| new B(20).foo(); |
| new C(30).foo(); |
| } |
| } |
| } |