| // Copyright (c) 2020, 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.checkdiscarded; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| 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.hamcrest.core.StringContains.containsString; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.AssumeNoSideEffects; |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8FullTestBuilder; |
| import com.android.tools.r8.R8TestCompileResult; |
| 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.CodeInspector; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class B162969014 extends TestBase { |
| |
| private final boolean checkLogIsDiscarded; |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{1}, checkLogIsDiscarded: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), getTestParameters().withAllRuntimesAndApiLevels().build()); |
| } |
| |
| public B162969014(boolean checkLogIsDiscarded, TestParameters parameters) { |
| this.checkLogIsDiscarded = checkLogIsDiscarded; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| R8TestCompileResult compileResult; |
| try { |
| compileResult = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(B162969014.class) |
| .addKeepMainRule(TestClass.class) |
| .apply(this::applyCheckDiscardedRule) |
| .enableAssumeNoSideEffectsAnnotations() |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compileWithExpectedDiagnostics( |
| diagnostics -> { |
| if (checkLogIsDiscarded) { |
| diagnostics.assertErrorsMatch( |
| diagnosticMessage(containsString("Discard checks failed."))); |
| } else { |
| diagnostics.assertNoErrors(); |
| } |
| }); |
| } catch (CompilationFailedException e) { |
| assertTrue(checkLogIsDiscarded); |
| return; |
| } |
| |
| compileResult |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("foo"); |
| } |
| |
| private void applyCheckDiscardedRule(R8FullTestBuilder builder) { |
| if (checkLogIsDiscarded) { |
| builder.addKeepRules( |
| "-checkdiscard class " + Log.class.getTypeName() + "{", |
| " public static void foo();", |
| " public static void bar();", |
| "}"); |
| } |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject logClassSubject = inspector.clazz(Log.class); |
| assertThat(logClassSubject, isPresent()); |
| assertThat(logClassSubject.uniqueMethodWithOriginalName("foo"), isPresent()); |
| assertThat(logClassSubject.uniqueMethodWithOriginalName("bar"), not(isPresent())); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| Log.foo(); |
| Log.bar(); |
| } |
| } |
| |
| static class Log { |
| |
| @NeverInline |
| public static void foo() { |
| System.out.println("foo"); |
| } |
| |
| @AssumeNoSideEffects |
| @NeverInline |
| public static void bar() { |
| System.out.println("bar"); |
| } |
| } |
| } |