| // 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 com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoVerticalClassMerging; |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestParameters; |
| 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 InterfaceEnumUnboxingTest extends EnumUnboxingTestBase { |
| |
| private static final Class<?>[] TESTS = { |
| FailureDefaultMethodUsed.class, |
| FailureUsedAsInterface.class, |
| SuccessAbstractMethod.class, |
| SuccessEmptyInterface.class, |
| SuccessUnusedDefaultMethod.class, |
| SuccessUnusedDefaultMethodOverride.class, |
| SuccessUnusedDefaultMethodOverrideEnum.class |
| }; |
| |
| 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 InterfaceEnumUnboxingTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxingFailure() throws Exception { |
| R8TestCompileResult compile = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InterfaceEnumUnboxingTest.class) |
| .addKeepMainRules(TESTS) |
| .addEnumUnboxingInspector( |
| inspector -> |
| inspector |
| .assertUnboxed( |
| SuccessAbstractMethod.EnumInterface.class, |
| SuccessEmptyInterface.EnumInterface.class, |
| SuccessUnusedDefaultMethod.EnumInterface.class, |
| SuccessUnusedDefaultMethodOverride.EnumInterface.class, |
| SuccessUnusedDefaultMethodOverrideEnum.EnumInterface.class) |
| .assertNotUnboxed(FailureUsedAsInterface.EnumInterface.class) |
| // When desugaring interfaces the dispatch will inline the forwarding method |
| // to the CC method allowing unboxing. |
| .assertUnboxedIf( |
| !parameters.canUseDefaultAndStaticInterfaceMethods(), |
| FailureDefaultMethodUsed.EnumInterface.class)) |
| .noMinification() |
| .enableNoVerticalClassMergingAnnotations() |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| for (Class<?> main : TESTS) { |
| testClass(compile, main); |
| } |
| } |
| |
| private void testClass(R8TestCompileResult compile, Class<?> testClass) throws Exception { |
| compile |
| .run(parameters.getRuntime(), testClass) |
| .assertSuccess() |
| .inspectStdOut(this::assertLines2By2Correct); |
| } |
| |
| static class SuccessEmptyInterface { |
| |
| public static void main(String[] args) { |
| System.out.println(EnumInterface.A.ordinal()); |
| System.out.println(0); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf {} |
| } |
| |
| static class SuccessUnusedDefaultMethodOverrideEnum { |
| |
| public static void main(String[] args) { |
| System.out.println(EnumInterface.A.ordinal()); |
| System.out.println(0); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf { |
| @NeverInline |
| default int ordinal() { |
| return System.currentTimeMillis() > 0 ? 3 : -3; |
| } |
| } |
| } |
| |
| static class SuccessUnusedDefaultMethodOverride { |
| |
| public static void main(String[] args) { |
| System.out.println(EnumInterface.A.method()); |
| System.out.println(5); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C; |
| |
| @Override |
| @NeverInline |
| public int method() { |
| return System.currentTimeMillis() > 0 ? 5 : -5; |
| } |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf { |
| @NeverInline |
| default int method() { |
| return System.currentTimeMillis() > 0 ? 3 : -3; |
| } |
| } |
| } |
| |
| static class SuccessUnusedDefaultMethod { |
| |
| public static void main(String[] args) { |
| System.out.println(EnumInterface.A.ordinal()); |
| System.out.println(0); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf { |
| @NeverInline |
| default int method() { |
| return System.currentTimeMillis() > 0 ? 3 : -3; |
| } |
| } |
| } |
| |
| static class SuccessAbstractMethod { |
| |
| public static void main(String[] args) { |
| System.out.println(EnumInterface.A.method()); |
| System.out.println(5); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C; |
| |
| @Override |
| @NeverInline |
| public int method() { |
| return System.currentTimeMillis() > 0 ? 5 : -5; |
| } |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf { |
| int method(); |
| } |
| } |
| |
| static class FailureDefaultMethodUsed { |
| |
| public static void main(String[] args) { |
| System.out.println(EnumInterface.A.method()); |
| System.out.println(3); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf { |
| @NeverInline |
| default int method() { |
| return System.currentTimeMillis() > 0 ? 3 : -3; |
| } |
| } |
| } |
| |
| static class FailureUsedAsInterface { |
| |
| public static void main(String[] args) { |
| print(EnumInterface.A); |
| System.out.println(5); |
| } |
| |
| @NeverInline |
| public static void print(Itf itf) { |
| System.out.println(itf.method()); |
| } |
| |
| @NeverClassInline |
| enum EnumInterface implements Itf { |
| A, |
| B, |
| C; |
| |
| @Override |
| @NeverInline |
| public int method() { |
| return System.currentTimeMillis() > 0 ? 5 : -5; |
| } |
| } |
| |
| @NoVerticalClassMerging |
| interface Itf { |
| @NeverInline |
| default int method() { |
| return System.currentTimeMillis() > 0 ? 3 : -3; |
| } |
| } |
| } |
| } |