| // 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.analysis.initializedclasses; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| 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.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| 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; |
| |
| @RunWith(Parameterized.class) |
| public class InitializedClassesOnNormalExitAnalysisTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public InitializedClassesOnNormalExitAnalysisTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("A.<clinit>()", "A.foo()"); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InitializedClassesOnNormalExitAnalysisTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .inspect(this::verifyInlineableHasBeenInlined) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| private void verifyInlineableHasBeenInlined(CodeInspector inspector) { |
| // Verify that main() only invokes loadA() and println(). |
| { |
| ClassSubject classSubject = inspector.clazz(TestClass.class); |
| assertThat(classSubject, isPresent()); |
| |
| MethodSubject methodSubject = classSubject.mainMethod(); |
| assertThat(methodSubject, isPresent()); |
| |
| assertEquals( |
| 2, methodSubject.streamInstructions().filter(InstructionSubject::isInvoke).count()); |
| } |
| |
| // Verify absence of inlineable(). |
| { |
| ClassSubject classSubject = inspector.clazz(A.class); |
| assertThat(classSubject, isPresent()); |
| |
| MethodSubject methodSubject = classSubject.uniqueMethodWithName("inlineable"); |
| assertThat(methodSubject, not(isPresent())); |
| } |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| loadA(); |
| A.inlineable(); |
| } |
| |
| @NeverInline |
| static void loadA() { |
| A.load(); |
| } |
| } |
| |
| static class A { |
| |
| static { |
| System.out.println("A.<clinit>()"); |
| } |
| |
| static void load() {} |
| |
| static void inlineable() { |
| System.out.println("A.foo()"); |
| } |
| } |
| } |