| // 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.interfacemethods; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| 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.CodeInspector; |
| 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 InlineStaticInterfaceMethodTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InlineStaticInterfaceMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("Hello world!"); |
| |
| CodeInspector inspector = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InlineStaticInterfaceMethodTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput) |
| .inspector(); |
| |
| // After inlining of I.greet(), only one class remains, namely TestClass. |
| assertEquals(1, inspector.allClasses().size()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| I.greet(); |
| } |
| } |
| |
| interface I { |
| |
| static void greet() { |
| System.out.println("Hello world!"); |
| } |
| } |
| } |