| // Copyright (c) 2019, 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.ir.optimize.outliner; |
| |
| import static com.android.tools.r8.references.Reference.methodFromMethod; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.synthesis.SyntheticItemsTestUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.HorizontallyMergedClassesInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| // Regression test for the issue causing extra bookkeeping in outlining of interface methods. |
| // See clean-up issue b/167345026. |
| @RunWith(Parameterized.class) |
| public class OutlineFromDefaultInterfaceMethodTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public OutlineFromDefaultInterfaceMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(TestClass.class) |
| .addKeepMethodRules(methodFromMethod(TestClass.class.getDeclaredMethod("getI"))) |
| .addOptionsModification( |
| options -> { |
| options.outline.threshold = 2; |
| options.outline.minSize = 2; |
| }) |
| .addHorizontallyMergedClassesInspector( |
| HorizontallyMergedClassesInspector::assertNoClassesMerged) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .noHorizontalClassMergingOfSynthetics() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!", "Hello world!"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| if (parameters.canUseDefaultAndStaticInterfaceMethods()) { |
| ClassSubject interfaceSubject = inspector.clazz(I.class); |
| MethodSubject greetMethodSubject = interfaceSubject.uniqueMethodWithName("greet"); |
| assertThat(interfaceSubject, isPresent()); |
| assertThat(greetMethodSubject, isPresent()); |
| assertEquals( |
| 1, |
| greetMethodSubject |
| .streamInstructions() |
| .filter(InstructionSubject::isInvokeStatic) |
| .count()); |
| } else { |
| // The companion class method is inlined into main. |
| assertThat( |
| inspector.clazz(SyntheticItemsTestUtils.syntheticCompanionClass(I.class)), isAbsent()); |
| } |
| } |
| |
| static class TestClass { |
| |
| static I getI() { |
| return new I() {}; |
| } |
| |
| public static void main(String... args) { |
| greet(); |
| getI().greet(); |
| } |
| |
| @NeverInline |
| static void greet() { |
| Greeter.hello(); |
| Greeter.world(); |
| } |
| } |
| |
| interface I { |
| |
| @NeverInline |
| default void greet() { |
| Greeter.hello(); |
| Greeter.world(); |
| } |
| } |
| |
| @NeverClassInline |
| public static class Greeter { |
| |
| @NeverInline |
| public static void hello() { |
| System.out.print("Hello"); |
| } |
| |
| @NeverInline |
| public static void world() { |
| System.out.println(" world!"); |
| } |
| } |
| } |