| // 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.retrace.api; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.DiagnosticsHandler; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.references.ClassReference; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.retrace.ProguardMapProducer; |
| import com.android.tools.r8.retrace.RetraceFrameElement; |
| import com.android.tools.r8.retrace.RetraceStackTraceContext; |
| import com.android.tools.r8.retrace.RetracedMethodReference; |
| import com.android.tools.r8.retrace.Retracer; |
| import java.util.List; |
| import java.util.OptionalInt; |
| import java.util.stream.Collectors; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class RetraceApiSingleFrameTest extends RetraceApiTestBase { |
| |
| public RetraceApiSingleFrameTest(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Override |
| protected Class<? extends RetraceApiBinaryTest> binaryTestClass() { |
| return ApiTest.class; |
| } |
| |
| public static class ApiTest implements RetraceApiBinaryTest { |
| |
| private final ClassReference originalClass = Reference.classFromTypeName("some.Class"); |
| private final ClassReference renamedClass = Reference.classFromTypeName("a"); |
| |
| private final String mapping = |
| originalClass.getTypeName() |
| + " -> " |
| + renamedClass.getTypeName() |
| + ":\n" |
| + " int strawberry(int):99:99 -> a\n"; |
| |
| @Test |
| public void testRetracingFrameEqualToNarrow() { |
| Retracer retracer = |
| Retracer.createDefault( |
| ProguardMapProducer.fromString(mapping), new DiagnosticsHandler() {}); |
| checkResults( |
| retracer |
| .retraceFrame( |
| RetraceStackTraceContext.empty(), |
| OptionalInt.empty(), |
| Reference.methodFromDescriptor(renamedClass, "a", "()I")) |
| .stream() |
| .collect(Collectors.toList())); |
| checkResults( |
| retracer |
| .retraceClass(renamedClass) |
| .lookupFrame(RetraceStackTraceContext.empty(), OptionalInt.empty(), "a") |
| .stream() |
| .collect(Collectors.toList())); |
| } |
| |
| private void checkResults(List<RetraceFrameElement> elements) { |
| assertEquals(1, elements.size()); |
| RetracedMethodReference topFrame = elements.get(0).getTopFrame(); |
| assertEquals("strawberry", topFrame.getMethodName()); |
| assertEquals(99, topFrame.getOriginalPositionOrDefault(-1)); |
| } |
| } |
| } |