| // 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 org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class StringRetraceAmbiguousTest extends TestBase { |
| |
| private static final String MAPPING = |
| StringUtils.unixLines( |
| "# {'id':'com.android.tools.r8.mapping','version':'2.2'}", |
| "package.Class$$ExternalSyntheticOutline0 -> package.internal.X:", |
| "# {'id':'sourceFile','fileName':'R8$$SyntheticClass'}", |
| "# {'id':'com.android.tools.r8.synthesized'}", |
| " 1:2:long package.$HASH$0.m(long,long,long):0:1 -> a", |
| " # {'id':'com.android.tools.r8.synthesized'}", |
| "package.Class -> package.internal.Y:", |
| "# {'id':'sourceFile','fileName':'FieldDefinition.java'}", |
| " 1:10:void foo():0:0 -> a", |
| " 11:20:void bar():0:0 -> a"); |
| |
| private static final List<String> STACKTRACE = |
| ImmutableList.of( |
| "Error in something", |
| " at package.internal.X.a(SourceFile:1)", |
| " at package.internal.Y.a(SourceFile)"); |
| |
| // TODO(b/305292991): The result should be ambiguous with 'foo' and 'bar' frames. |
| private static final List<String> UNEXPECTED_UNAMBIGUOUS = |
| ImmutableList.of("Error in something", " at package.Class.foo(FieldDefinition.java)"); |
| |
| // TODO(b/305292991): The result should be ambiguous with 'foo' and 'bar' frames. |
| private static final List<String> UNEXPECTED_AMBIGUOUS = |
| ImmutableList.of( |
| "Error in something", |
| "alternative 0:\n at package.Class.foo(FieldDefinition.java)", |
| "alternative 1:\n at package.Class.foo(FieldDefinition.java)"); |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public StringRetraceAmbiguousTest(TestParameters parameters) { |
| parameters.assertNoneRuntime(); |
| } |
| |
| @Test |
| public void testStringRetraceAllFrames() { |
| StringRetrace stringRetrace = getStringRetrace(); |
| RetraceStackFrameResultWithContext<String> result = |
| stringRetrace.retrace(STACKTRACE, RetraceStackTraceContext.empty()); |
| assertEquals(UNEXPECTED_UNAMBIGUOUS, result.getResult()); |
| } |
| |
| @Test |
| public void testStringRetraceSingletonStack() { |
| StringRetrace stringRetrace = getStringRetrace(); |
| RetraceStackTraceContext context = RetraceStackTraceContext.empty(); |
| List<String> retraced = new ArrayList<>(); |
| for (String line : STACKTRACE) { |
| RetraceStackFrameResultWithContext<String> result = |
| stringRetrace.retrace(Collections.singletonList(line), context); |
| context = result.getContext(); |
| result.forEach(retraced::add); |
| } |
| assertEquals(UNEXPECTED_UNAMBIGUOUS, retraced); |
| } |
| |
| @Test |
| public void testStringRetraceByFrame() { |
| StringRetrace stringRetrace = getStringRetrace(); |
| RetraceStackTraceContext context = RetraceStackTraceContext.empty(); |
| List<String> retraced = new ArrayList<>(); |
| for (String line : STACKTRACE) { |
| RetraceStackFrameResultWithContext<String> result = stringRetrace.retrace(line, context); |
| context = result.getContext(); |
| result.forEach(retraced::add); |
| } |
| assertEquals(UNEXPECTED_UNAMBIGUOUS, retraced); |
| } |
| |
| @Test |
| public void testStringRetraceByAmbiguousFrame() { |
| StringRetrace stringRetrace = getStringRetrace(); |
| RetraceStackTraceContext context = RetraceStackTraceContext.empty(); |
| List<String> retraced = new ArrayList<>(); |
| for (String line : STACKTRACE) { |
| RetraceStackFrameAmbiguousResultWithContext<String> result = |
| stringRetrace.retraceFrame(line, context); |
| context = result.getContext(); |
| if (result.isAmbiguous()) { |
| for (int i = 0; i < result.size(); i++) { |
| StringBuilder builder = new StringBuilder("alternative ").append(i).append(":\n"); |
| result.get(i).forEach(s -> builder.append(s).append('\n')); |
| // Remove the last newline to stay consistent with "list of lines". |
| String str = builder.toString(); |
| retraced.add(str.substring(0, str.length() - 1)); |
| } |
| } else if (!result.isEmpty()) { |
| result.get(0).forEach(retraced::add); |
| } |
| } |
| assertEquals(UNEXPECTED_AMBIGUOUS, retraced); |
| } |
| |
| @Test |
| public void testStringRetraceSupplier() { |
| StringRetrace stringRetrace = getStringRetrace(); |
| Iterator<String> iterator = STACKTRACE.iterator(); |
| List<String> retraced = new ArrayList<>(); |
| stringRetrace.retraceSupplier(() -> iterator.hasNext() ? iterator.next() : null, retraced::add); |
| assertEquals(UNEXPECTED_UNAMBIGUOUS, retraced); |
| } |
| |
| private static StringRetrace getStringRetrace() { |
| ProguardMappingSupplier mappingSupplier = |
| ProguardMappingSupplier.builder() |
| .setProguardMapProducer(ProguardMapProducer.fromString(MAPPING)) |
| .build(); |
| |
| StringRetrace stringRetrace = |
| StringRetrace.create(RetraceOptions.builder().setMappingSupplier(mappingSupplier).build()); |
| return stringRetrace; |
| } |
| } |