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using System;
using System.IO;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Hazel.UnitTests
{
[TestClass]
public class MessageWriterTests
{
[TestMethod]
public void CancelMessages()
{
var msg = new MessageWriter(128);
msg.StartMessage(1);
msg.Write(32);
msg.StartMessage(2);
msg.Write(2);
msg.CancelMessage();
Assert.AreEqual(7, msg.Length);
Assert.IsFalse(msg.HasBytes(7));
msg.CancelMessage();
Assert.AreEqual(0, msg.Length);
Assert.IsFalse(msg.HasBytes(1));
}
[TestMethod]
public void HasBytes()
{
var msg = new MessageWriter(128);
msg.StartMessage(1);
msg.Write(32);
msg.StartMessage(2);
msg.Write(2);
msg.EndMessage();
// Assert.AreEqual(7, msg.Length);
Assert.IsTrue(msg.HasBytes(7));
}
[TestMethod]
public void WriteProperInt()
{
const int Test1 = int.MaxValue;
const int Test2 = int.MinValue;
var msg = new MessageWriter(128);
msg.Write(Test1);
msg.Write(Test2);
Assert.AreEqual(8, msg.Length);
Assert.AreEqual(msg.Length, msg.Position);
using (MemoryStream m = new MemoryStream(msg.Buffer, 0, msg.Length))
using (BinaryReader reader = new BinaryReader(m))
{
Assert.AreEqual(Test1, reader.ReadInt32());
Assert.AreEqual(Test2, reader.ReadInt32());
}
}
[TestMethod]
public void WriteProperBool()
{
const bool Test1 = true;
const bool Test2 = false;
var msg = new MessageWriter(128);
msg.Write(Test1);
msg.Write(Test2);
Assert.AreEqual(2, msg.Length);
Assert.AreEqual(msg.Length, msg.Position);
using (MemoryStream m = new MemoryStream(msg.Buffer, 0, msg.Length))
using (BinaryReader reader = new BinaryReader(m))
{
Assert.AreEqual(Test1, reader.ReadBoolean());
Assert.AreEqual(Test2, reader.ReadBoolean());
}
}
[TestMethod]
public void WriteProperString()
{
const string Test1 = "Hello";
string Test2 = new string(' ', 1024);
var msg = new MessageWriter(2048);
msg.Write(Test1);
msg.Write(Test2);
msg.Write(string.Empty);
Assert.AreEqual(msg.Length, msg.Position);
using (MemoryStream m = new MemoryStream(msg.Buffer, 0, msg.Length))
using (BinaryReader reader = new BinaryReader(m))
{
Assert.AreEqual(Test1, reader.ReadString());
Assert.AreEqual(Test2, reader.ReadString());
Assert.AreEqual(string.Empty, reader.ReadString());
}
}
[TestMethod]
public void WriteProperFloat()
{
const float Test1 = 12.34f;
var msg = new MessageWriter(2048);
msg.Write(Test1);
Assert.AreEqual(msg.Length, msg.Position);
using (MemoryStream m = new MemoryStream(msg.Buffer, 0, msg.Length))
using (BinaryReader reader = new BinaryReader(m))
{
Assert.AreEqual(Test1, reader.ReadSingle());
}
}
[TestMethod]
public void WritePackedUint()
{
var msg = new MessageWriter(2048);
msg.StartMessage(0);
msg.WritePacked(8u);
msg.WritePacked(250u);
msg.WritePacked(68000u);
msg.EndMessage();
Assert.AreEqual(3 + 1 + 2 + 3, msg.Position);
Assert.AreEqual(msg.Length, msg.Position);
MessageReader reader = MessageReader.Get(msg.Buffer, 0);
Assert.AreEqual(8u, reader.ReadPackedUInt32());
Assert.AreEqual(250u, reader.ReadPackedUInt32());
Assert.AreEqual(68000u, reader.ReadPackedUInt32());
}
[TestMethod]
public void WritePackedInt()
{
var msg = new MessageWriter(2048);
msg.StartMessage(0);
msg.WritePacked(8);
msg.WritePacked(250);
msg.WritePacked(68000);
msg.WritePacked(60168000);
msg.WritePacked(-68000);
msg.WritePacked(-250);
msg.WritePacked(-8);
msg.WritePacked(0);
msg.WritePacked(-1);
msg.WritePacked(int.MinValue);
msg.WritePacked(int.MaxValue);
msg.EndMessage();
Assert.AreEqual(3 + 1 + 2 + 3 + 4 + 5 + 5 + 5 + 1 + 5 + 5 + 5, msg.Position);
Assert.AreEqual(msg.Length, msg.Position);
MessageReader reader = MessageReader.Get(msg.Buffer, 0);
Assert.AreEqual(8, reader.ReadPackedInt32());
Assert.AreEqual(250, reader.ReadPackedInt32());
Assert.AreEqual(68000, reader.ReadPackedInt32());
Assert.AreEqual(60168000, reader.ReadPackedInt32());
Assert.AreEqual(-68000, reader.ReadPackedInt32());
Assert.AreEqual(-250, reader.ReadPackedInt32());
Assert.AreEqual(-8, reader.ReadPackedInt32());
Assert.AreEqual(0, reader.ReadPackedInt32());
Assert.AreEqual(-1, reader.ReadPackedInt32());
Assert.AreEqual(int.MinValue, reader.ReadPackedInt32());
Assert.AreEqual(int.MaxValue, reader.ReadPackedInt32());
}
[TestMethod]
public void WritesMessageLength()
{
var msg = new MessageWriter(2048);
msg.StartMessage(1);
msg.Write(65534);
msg.EndMessage();
Assert.AreEqual(2 + 1 + 4, msg.Position);
Assert.AreEqual(msg.Length, msg.Position);
using (MemoryStream m = new MemoryStream(msg.Buffer, 0, msg.Length))
using (BinaryReader reader = new BinaryReader(m))
{
Assert.AreEqual(4, reader.ReadUInt16()); // Length After Type and Target
Assert.AreEqual(1, reader.ReadByte()); // Type
Assert.AreEqual(65534, reader.ReadInt32()); // Content
}
}
[TestMethod]
public void GetLittleEndian()
{
Assert.IsTrue(MessageWriter.IsLittleEndian());
}
}
}
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