| /* |
| * Copyright 2021 The Bazel Authors. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.devtools.build.android.desugar.lambda.testsrc.stacktrace; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| |
| /** Test data class for testing the stack trace related behaviors from lambda desugaring. */ |
| public class StackTraceTestTarget { |
| |
| private StackTraceTestTarget() {} |
| |
| public static List<String> getStackTraceFileNames() { |
| Throwable throwable = new Throwable(); |
| List<String> sourceFileNames = new ArrayList<>(); |
| for (StackTraceElement stackTraceElement : throwable.getStackTrace()) { |
| sourceFileNames.add(stackTraceElement.getFileName()); |
| } |
| return sourceFileNames; |
| } |
| |
| public static List<String> getStackTraceFileNamesThroughLambda() throws Exception { |
| Callable<List<String>> stackTraceElementsProvider = () -> getStackTraceFileNames(); |
| return stackTraceElementsProvider.call(); |
| } |
| |
| public static List<String> getStackTraceFileNamesThroughNestedLambda() throws Exception { |
| Callable<Callable<List<String>>> stackTraceElementsProviderProvider = |
| () -> () -> getStackTraceFileNames(); |
| return stackTraceElementsProviderProvider.call().call(); |
| } |
| } |