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BinaryFormatTests.cs
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BinaryFormatTests.cs
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// Copyright (c) 2019 SceneGate
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
namespace Yarhl.UnitTests.IO
{
using System;
using System.IO;
using NUnit.Framework;
using Yarhl.IO;
using Yarhl.IO.StreamFormat;
using Yarhl.UnitTests.FileFormat;
[TestFixture]
public class BinaryFormatTests : BaseGeneralTests<BinaryFormat>
{
[Test]
public void DisposeChangesDisposed()
{
BinaryFormat format = CreateDummyFormat();
Assert.IsFalse(format.Disposed);
format.Dispose();
Assert.IsTrue(format.Disposed);
}
[Test]
public void DisposeTwiceDoesNotThrow()
{
BinaryFormat format = CreateDummyFormat();
Assert.IsFalse(format.Disposed);
format.Dispose();
Assert.IsTrue(format.Disposed);
Assert.That(() => format.Dispose(), Throws.Nothing);
Assert.IsTrue(format.Disposed);
}
[Test]
public void DefaultConstructorDisposeAlsoDisposesStream()
{
BinaryFormat format = CreateDummyFormat();
format.Dispose();
Assert.IsTrue(format.Disposed);
Assert.IsTrue(format.Stream.Disposed);
}
[Test]
public void ConstructorWithStreamTransferOwnership()
{
using DataStream stream = new DataStream();
BinaryFormat format = new BinaryFormat(stream);
Assert.AreSame(stream, format.Stream);
Assert.AreSame(stream.BaseStream, format.Stream.BaseStream);
format.Dispose();
Assert.That(stream.Disposed, Is.True);
}
[Test]
public void ConstructorWithStandardStreamTransferOwnership()
{
var stream = new MemoryStream();
var format = new BinaryFormat(stream);
Assert.That(format.Stream.BaseStream, Is.InstanceOf<StreamWrapper>());
var wrapper = (StreamWrapper)format.Stream.BaseStream;
Assert.That(wrapper.BaseStream, Is.SameAs(stream));
format.Dispose();
Assert.That(() => stream.ReadByte(), Throws.InstanceOf<ObjectDisposedException>());
}
[Test]
public void ConstructorWithNullStreamThrows()
{
Assert.That(
() => new BinaryFormat((DataStream)null),
Throws.ArgumentNullException);
}
[Test]
public void ConstructorWithSubstream()
{
DataStream stream = new DataStream();
stream.WriteByte(0x1);
stream.WriteByte(0x2);
stream.WriteByte(0x3);
BinaryFormat format = new BinaryFormat(stream, 1, 2);
Assert.AreNotSame(stream, format.Stream);
Assert.AreSame(stream.BaseStream, format.Stream.BaseStream);
Assert.AreEqual(0, format.Stream.Position);
Assert.AreEqual(3, stream.Position);
Assert.AreEqual(1, format.Stream.Offset);
Assert.AreEqual(0, stream.Offset);
Assert.AreEqual(2, format.Stream.Length);
Assert.AreEqual(3, stream.Length);
format.Dispose();
stream.Dispose();
}
[Test]
public void ConstructorWithSubstreamOfDataStreamDoesNotTransferOwnership()
{
DataStream stream = new DataStream();
stream.Write(new byte[] { 1, 2, 3 }, 0, 3);
BinaryFormat format = new BinaryFormat(stream, 1, 2);
Assert.AreNotSame(stream, format.Stream);
Assert.AreSame(stream.BaseStream, format.Stream.BaseStream);
format.Dispose();
Assert.That(format.Disposed, Is.True);
Assert.That(stream.Disposed, Is.False);
stream.Dispose();
}
[Test]
public void ConstructorWithStandardSubstreamTransferOwnership()
{
var stream = new MemoryStream();
stream.Write(new byte[] { 1, 2, 3 }, 0, 3);
BinaryFormat format = new BinaryFormat(stream, 1, 2);
Assert.That(format.Stream.BaseStream, Is.InstanceOf<StreamWrapper>());
var wrapper = (StreamWrapper)format.Stream.BaseStream;
Assert.That(wrapper.BaseStream, Is.SameAs(stream));
format.Dispose();
Assert.That(() => stream.ReadByte(), Throws.InstanceOf<ObjectDisposedException>());
}
[Test]
public void ConstructorWithStreamArgsInvalidThrows()
{
using DataStream stream = new DataStream();
stream.WriteByte(0x01);
Assert.That(
() => new BinaryFormat((DataStream)null, 0, 0),
Throws.ArgumentNullException);
Assert.That(
() => new BinaryFormat(stream, -1, 0),
Throws.InstanceOf<ArgumentOutOfRangeException>());
Assert.That(
() => new BinaryFormat(stream, 2, 0),
Throws.InstanceOf<ArgumentOutOfRangeException>());
Assert.That(
() => new BinaryFormat(stream, 0, -1),
Throws.InstanceOf<ArgumentOutOfRangeException>());
Assert.That(
() => new BinaryFormat(stream, 0, 2),
Throws.InstanceOf<ArgumentOutOfRangeException>());
Assert.That(
() => new BinaryFormat(stream, 1, 1),
Throws.InstanceOf<ArgumentOutOfRangeException>());
}
[Test]
public void MemoryConstructor()
{
BinaryFormat format = new BinaryFormat();
Assert.IsInstanceOf<RecyclableMemoryStream>(format.Stream.BaseStream);
Assert.AreEqual(0, format.Stream.Position);
Assert.AreEqual(0, format.Stream.Length);
format.Dispose();
}
[Test]
public void Clone()
{
byte[] data = { 0x01, 0x02, 0x03 };
using DataStream stream = DataStreamFactory.FromArray(data, 0, data.Length);
using BinaryFormat format = new BinaryFormat(stream);
using BinaryFormat clone = (BinaryFormat)format.DeepClone();
Assert.AreNotSame(format, clone);
Assert.IsTrue(format.Stream.Compare(clone.Stream));
}
protected override BinaryFormat CreateDummyFormat()
{
using DataStream stream = new DataStream();
return new BinaryFormat(stream);
}
}
}