| // 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.inliner; |
| |
| import static com.android.tools.r8.utils.codeinspector.CodeMatchers.invokesMethod; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| 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 LibraryOverrideInliningTest extends TestBase { |
| |
| private final boolean disableInliningOfLibraryMethodOverrides; |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{1}, disableInliningOfLibraryMethodOverrides: {0}") |
| public static List<Object[]> data() { |
| return buildParameters(BooleanUtils.values(), getTestParameters().withAllRuntimes().build()); |
| } |
| |
| public LibraryOverrideInliningTest( |
| boolean disableInliningOfLibraryMethodOverrides, TestParameters parameters) { |
| this.disableInliningOfLibraryMethodOverrides = disableInliningOfLibraryMethodOverrides; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(LibraryOverrideInliningTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addOptionsModification( |
| options -> |
| options.disableInliningOfLibraryMethodOverrides = |
| disableInliningOfLibraryMethodOverrides) |
| .enableClassInliningAnnotations() |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject greeterClassSubject = inspector.clazz(Greeter.class); |
| assertThat(greeterClassSubject, isPresent()); |
| |
| MethodSubject toStringMethodSubject = |
| greeterClassSubject.uniqueMethodWithName("toString"); |
| assertThat(toStringMethodSubject, isPresent()); |
| |
| ClassSubject testClassSubject = inspector.clazz(TestClass.class); |
| assertThat(testClassSubject, isPresent()); |
| |
| MethodSubject mainMethodSubject = testClassSubject.mainMethod(); |
| assertThat(mainMethodSubject, isPresent()); |
| |
| if (disableInliningOfLibraryMethodOverrides) { |
| assertThat(mainMethodSubject, invokesMethod(toStringMethodSubject)); |
| } else { |
| assertThat(mainMethodSubject, not(invokesMethod(toStringMethodSubject))); |
| } |
| }) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(new Greeter().toString()); |
| } |
| } |
| |
| @NeverClassInline |
| static class Greeter { |
| |
| final char[] greeting = new char["Hello world!".length()]; |
| |
| // A method that returns "Hello world!" and is not a 'SIMPLE' inlining candidate. |
| @Override |
| public String toString() { |
| String greeting = "Hello world!"; |
| for (int i = 0; i < greeting.length(); i++) { |
| this.greeting[i] = greeting.charAt(i); |
| } |
| StringBuilder result = new StringBuilder(); |
| for (char c : greeting.toCharArray()) { |
| result.append(c); |
| } |
| return result.toString(); |
| } |
| } |
| } |