| // Copyright (c) 2021, 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.shaking; |
| |
| import static junit.framework.TestCase.assertTrue; |
| |
| import com.android.tools.r8.NoVerticalClassMerging; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import java.util.Arrays; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class LambdaCaptureShrinkingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters() |
| .withCfRuntimes() |
| .withDexRuntimes() |
| .withApiLevelsStartingAtIncluding(AndroidApiLevel.N) |
| .build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .applyIf( |
| parameters.isCfRuntime(), |
| compileResult -> |
| compileResult.inspect( |
| inspector -> { |
| MethodSubject mainMethodSubject = inspector.clazz(Main.class).mainMethod(); |
| assertTrue( |
| mainMethodSubject |
| .streamInstructions() |
| .anyMatch(InstructionSubject::isInvokeDynamic)); |
| })) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("true"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| PredicateInterface f = new Predicate(); |
| System.out.println(Arrays.asList(args).stream().noneMatch(f::m)); |
| } |
| } |
| |
| @NoVerticalClassMerging |
| interface PredicateInterfaceBase { |
| boolean m(String item); |
| } |
| |
| @NoVerticalClassMerging |
| interface PredicateInterface extends PredicateInterfaceBase {} |
| |
| static class Predicate implements PredicateInterface { |
| |
| @Override |
| public boolean m(String item) { |
| return System.currentTimeMillis() > 0; |
| } |
| } |
| } |