wehub-resource-sync
95 lines
3.4 KiB
C#
95 lines
3.4 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using NUnit.Framework;
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using QuantConnect.Util;
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namespace QuantConnect.Tests.Common.Util
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{
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[TestFixture]
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public class StreamReaderEnumerableTests
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{
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[Test]
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public void EnumeratesLines()
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{
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var lines = Enumerable.Range(0, 10).Select(i => $"line {i}").ToArray();
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var content = string.Join(Environment.NewLine, lines);
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using (var streamReader = new StreamReader(new MemoryStream(Encoding.Default.GetBytes(content))))
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{
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using var enumerable = new StreamReaderEnumerable(streamReader);
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var actualLines = enumerable.ToList();
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CollectionAssert.AreEqual(lines, actualLines);
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}
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}
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[Test]
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public void DisposesWhenEnumerationIsCompleted()
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{
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var disposable = new TestDisposable();
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using var memoryStream = new TestMemoryStream(Encoding.Default.GetBytes("line1\r\nline2\r\nline3"));
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using var streamReader = new TestStreamReader(memoryStream);
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using var enumerable = new StreamReaderEnumerable(streamReader, disposable);
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// complete enumeration
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var lines = enumerable.ToList();
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Assert.IsTrue(streamReader.DisposeCalled);
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Assert.IsTrue(streamReader.DisposeCalledDisposingValue);
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Assert.IsTrue(memoryStream.DisposeCalled);
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Assert.IsTrue(memoryStream.DisposeCalledDisposingValue);
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Assert.IsTrue(disposable.DisposeCalled);
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}
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class TestMemoryStream : MemoryStream
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{
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public bool DisposeCalled { get; private set; }
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public bool DisposeCalledDisposingValue { get; private set; }
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public TestMemoryStream(byte[] bytes) : base(bytes) { }
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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DisposeCalled = true;
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DisposeCalledDisposingValue = disposing;
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}
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}
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class TestStreamReader : StreamReader
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{
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public bool DisposeCalled { get; private set; }
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public bool DisposeCalledDisposingValue { get; private set; }
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public TestStreamReader(Stream stream) : base(stream) { }
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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DisposeCalled = true;
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DisposeCalledDisposingValue = disposing;
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}
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}
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class TestDisposable : IDisposable
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{
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public bool DisposeCalled { get; private set; }
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public void Dispose() { DisposeCalled = true; }
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}
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}
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}
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