| // 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.debuginfo; |
| |
| import static com.android.tools.r8.naming.retrace.StackTrace.isSame; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.hasLineNumberTable; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.notIf; |
| 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.TestRuntime.CfRuntime; |
| import com.android.tools.r8.naming.retrace.StackTrace; |
| import com.android.tools.r8.naming.retrace.StackTrace.StackTraceLine; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import java.util.List; |
| import org.hamcrest.CoreMatchers; |
| import org.junit.Before; |
| 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 SingleLineInfoRemoveTest extends TestBase { |
| |
| private final TestParameters parameters; |
| private final boolean customSourceFile; |
| |
| @Parameters(name = "{0}, custom-source-file:{1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimesAndApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| public SingleLineInfoRemoveTest(TestParameters parameters, boolean customSourceFile) { |
| this.parameters = parameters; |
| this.customSourceFile = customSourceFile; |
| } |
| |
| public StackTrace expectedStackTrace; |
| |
| @Before |
| public void setup() throws Exception { |
| // Get the expected stack trace by running on the JVM. |
| expectedStackTrace = |
| testForJvm() |
| .addTestClasspath() |
| .run(CfRuntime.getSystemRuntime(), Main.class) |
| .assertFailure() |
| .map(StackTrace::extractFromJvm); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .addKeepAttributeSourceFile() |
| .addKeepAttributeLineNumberTable() |
| .applyIf( |
| customSourceFile, |
| b -> b.getBuilder().setSourceFileProvider(env -> "MyCustomSourceFile")) |
| .enableInliningAnnotations() |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatThrows(NullPointerException.class) |
| .inspectOriginalStackTrace( |
| stackTrace -> { |
| for (StackTraceLine line : stackTrace.getStackTraceLines()) { |
| if (customSourceFile) { |
| assertEquals("MyCustomSourceFile", line.fileName); |
| } else if (parameters.isCfRuntime()) { |
| assertEquals("SourceFile", line.fileName); |
| } else { |
| assertThat( |
| line.fileName, |
| CoreMatchers.anyOf( |
| CoreMatchers.is("SourceFile"), CoreMatchers.is("Unknown Source"))); |
| } |
| } |
| }) |
| .inspectStackTrace( |
| (stackTrace, inspector) -> { |
| assertThat(stackTrace, isSame(expectedStackTrace)); |
| ClassSubject mainSubject = inspector.clazz(Main.class); |
| assertThat(mainSubject, isPresent()); |
| assertThat( |
| mainSubject.uniqueMethodWithOriginalName("shouldRemoveLineNumber"), |
| notIf(hasLineNumberTable(), canSingleLineDebugInfoBeDiscarded())); |
| }); |
| } |
| |
| private boolean canSingleLineDebugInfoBeDiscarded() { |
| return parameters.isDexRuntime() |
| && !customSourceFile |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(apiLevelWithPcAsLineNumberSupport()); |
| } |
| |
| public static class Main { |
| |
| @NeverInline |
| public static void printOrThrow(String message) { |
| if (System.currentTimeMillis() > 0) { |
| throw new NullPointerException(message); |
| } |
| System.out.println(message); |
| } |
| |
| @NeverInline |
| public static void shouldRemoveLineNumber() { |
| printOrThrow("Hello World"); |
| } |
| |
| public static void main(String[] args) { |
| shouldRemoveLineNumber(); |
| } |
| } |
| } |