| // 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.enumunboxing; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertFalse; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoVerticalClassMerging; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class VirtualMethodOverrideEnumUnboxingTest extends EnumUnboxingTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean enumValueOptimization; |
| private final EnumKeepRules enumKeepRules; |
| |
| @Parameters(name = "{0} valueOpt: {1} keep: {2}") |
| public static List<Object[]> data() { |
| return enumUnboxingTestParameters(); |
| } |
| |
| public VirtualMethodOverrideEnumUnboxingTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .addOptionsModification(options -> enableEnumOptions(options, enumValueOptimization)) |
| .addOptionsModification(options -> options.testing.enableEnumUnboxingDebugLogs = false) |
| .addEnumUnboxingInspector(inspector -> inspector.assertUnboxed(MyEnum.class)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines( |
| "A.m(A : MyEnum, 42 : int)", "B.m(A : MyEnum, 42 : int)", "B.m(42 : int, A : MyEnum)"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| MethodSubject methodOnA = inspector.clazz(A.class).virtualMethods().get(0); |
| MethodSubject methodOnB = |
| inspector.clazz(B.class).uniqueMethodWithFinalName(methodOnA.getFinalName()); |
| assertThat(methodOnB, isPresent()); |
| // TODO(b/171784168): Should be true. |
| assertFalse(methodOnB.streamInstructions().anyMatch(x -> x.asDexInstruction().isInvokeSuper())); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| MyEnum value = System.currentTimeMillis() > 0 ? MyEnum.A : MyEnum.B; |
| new B().m(value, 42); |
| new B().m(42, value); |
| } |
| } |
| |
| @NeverClassInline |
| @NoVerticalClassMerging |
| static class A { |
| |
| @NeverInline |
| void m(MyEnum x, int y) { |
| System.out.println("A.m(" + x.toString() + " : MyEnum, " + y + " : int)"); |
| } |
| } |
| |
| @NeverClassInline |
| static class B extends A { |
| |
| @NeverInline |
| void m(int x, MyEnum y) { |
| System.out.println("B.m(" + x + " : int, " + y.toString() + " : MyEnum)"); |
| } |
| |
| @NeverInline |
| @Override |
| void m(MyEnum x, int y) { |
| super.m(x, y); |
| System.out.println("B.m(" + x.toString() + " : MyEnum, " + y + " : int)"); |
| } |
| } |
| |
| enum MyEnum { |
| A, |
| B |
| } |
| } |