| // Copyright (c) 2023, 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.retrace; |
| |
| import static com.android.tools.r8.naming.retrace.StackTrace.isSame; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.naming.retrace.StackTrace; |
| import com.android.tools.r8.naming.retrace.StackTrace.StackTraceLine; |
| import com.android.tools.r8.retrace.classes.SynthesizeLineNumber; |
| 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; |
| |
| /** |
| * This is a test for b/283757617 showing how we potentially could change line information at |
| * runtime. |
| */ |
| @RunWith(Parameterized.class) |
| public class HorizontalMergingWithTryCatchLineNumberTest extends TestBase { |
| |
| private static final String FILENAME = "SynthesizeLineNumber.java"; |
| |
| @Parameter() public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| private static final StackTrace expectedStackTrace = |
| StackTrace.builder() |
| .add( |
| StackTraceLine.builder() |
| .setClassName(typeName(SynthesizeLineNumber.A.class)) |
| .setMethodName("foo") |
| .setFileName(FILENAME) |
| .setLineNumber(14) |
| .build()) |
| .add( |
| StackTraceLine.builder() |
| .setClassName(typeName(SynthesizeLineNumber.Main.class)) |
| .setMethodName("call") |
| .setFileName(FILENAME) |
| .setLineNumber(34) |
| .build()) |
| .add( |
| StackTraceLine.builder() |
| .setClassName(typeName(SynthesizeLineNumber.Main.class)) |
| .setMethodName("main") |
| .setFileName(FILENAME) |
| .setLineNumber(28) |
| .build()) |
| .build(); |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters) |
| .addInnerClasses(SynthesizeLineNumber.class) |
| .run(parameters.getRuntime(), SynthesizeLineNumber.Main.class, "normal") |
| .inspectStackTrace(stackTrace -> assertThat(stackTrace, isSame(expectedStackTrace))); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| R8TestCompileResult compilationResult = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(SynthesizeLineNumber.class) |
| .setMinApi(parameters) |
| .addKeepMainRule(SynthesizeLineNumber.Main.class) |
| .addKeepAttributeLineNumberTable() |
| .enableInliningAnnotations() |
| .addHorizontallyMergedClassesInspector( |
| inspector -> |
| inspector.assertIsCompleteMergeGroup( |
| SynthesizeLineNumber.A.class, SynthesizeLineNumber.B.class)) |
| .compile(); |
| // Mock changes to proguard map to simulate what R8 could emit. |
| String proguardMap = |
| compilationResult.getProguardMap() |
| + "\n 1000:1000:void call(int,boolean):34:34 -> main" |
| + "\n 1000:1000:void main(java.lang.String[]):28 -> main"; |
| compilationResult |
| .run(parameters.getRuntime(), SynthesizeLineNumber.Main.class, "synthesize") |
| .inspectOriginalStackTrace( |
| originalStackTrace -> { |
| StackTrace retraced = originalStackTrace.retrace(proguardMap); |
| assertThat(retraced, isSame(expectedStackTrace)); |
| }); |
| } |
| } |