public void CheckString()
{
IFieldWriter writer = new FieldWriter();
writer.Write((string)null);
Assert.AreEqual(2, writer.Position, "Expected position ");
writer.Write("");
Assert.AreEqual(3, writer.Position, "Expected position ");
writer.Write(" ");
Assert.AreEqual(5, writer.Position, "Expected position ");
writer.Write("Hello");
Assert.AreEqual(11, writer.Position, "Expected position ");
writer.Write("Hello");
Assert.AreEqual(17, writer.Position, "Expected position ");
writer.Write("Hi");
Assert.AreEqual(20, writer.Position, "Expected position ");
IFieldReader reader = new FieldReader(writer.ToArray());
Assert.AreEqual(null, reader.ReadString(), "Expected string ");
Assert.AreEqual("", reader.ReadString(), "Expected string ");
Assert.AreEqual(" ", reader.ReadString(), "Expected string ");
Assert.AreEqual("Hello", reader.ReadString(), "Expected string ");
Assert.AreEqual("Hello", reader.ReadString(), "Expected string2 ");
Assert.AreEqual("Hi", reader.ReadString(), "Expected string ");
}
public void TestProtocolVersion1()
{
// Test with protocol version 1.0
var writer = new FieldWriter(new MemoryStream(), new UniqueStringList(), 1, 0);
/*
* These first few writes are identical to TestStringCompressionDisabled
*/
// Test that a null string takes only one byte
writer.Write((string)null);
Assert.AreEqual(1, writer.Position, "Expected position ");
// Test that an empty string takes 2 bytes
writer.Write("");
Assert.AreEqual(3, writer.Position, "Expected position ");
// Test that passing a single character string takes 3 bytes
writer.Write(" ");
Assert.AreEqual(6, writer.Position, "Expected position ");
// Test that passing a two character string takes 4 bytes
writer.Write("Hi");
Assert.AreEqual(10, writer.Position, "Expected position ");
// Test that 5 characters takes 7 bytes
writer.Write("Hello");
Assert.AreEqual(17, writer.Position, "Expected position ");
/*
* Now, let's try some repeated strings
*/
// Test that a second occurence should only take 1 byte with compression enabled
writer.Write("Hello");
Assert.AreEqual(18, writer.Position, "Expected position ");
writer.Write("Hi");
Assert.AreEqual(19, writer.Position, "Expected position ");
// Verify that the strings read back are the same as those written
IFieldReader reader = new FieldReader(new MemoryStream(writer.ToArray()), new UniqueStringList(), 1, 0);
Assert.AreEqual(null, reader.ReadString());
Assert.AreEqual("", reader.ReadString());
Assert.AreEqual(" ", reader.ReadString());
Assert.AreEqual("Hi", reader.ReadString());
Assert.AreEqual("Hello", reader.ReadString());
Assert.AreEqual("Hello", reader.ReadString());
Assert.AreEqual("Hi", reader.ReadString());
}
public void TestProtocolVersion2()
{
// Test with protocol version 2.0
var writer = new FieldWriter(new MemoryStream(), new UniqueStringList(), 2, 0);
// Test that a null string takes only one byte
writer.Write((string)null);
Assert.AreEqual(2, writer.Position, "Expected position ");
// Test that an empty string takes 2 bytes
writer.Write("");
Assert.AreEqual(3, writer.Position, "Expected position ");
// Test that passing a single character string takes 2 bytes
writer.Write(" ");
Assert.AreEqual(5, writer.Position, "Expected position ");
// Test that passing a two character string takes 3 bytes
writer.Write("Hi");
Assert.AreEqual(8, writer.Position, "Expected position ");
// Test that 5 characters takes 6 bytes
writer.Write("Hello");
Assert.AreEqual(14, writer.Position, "Expected position ");
// Test that a second occurence still takes 6 bytes
writer.Write("Hello");
Assert.AreEqual(20, writer.Position, "Expected position ");
// Likewise, a second occurence of an earlier string still takes a much space
writer.Write("Hi");
Assert.AreEqual(23, writer.Position, "Expected position ");
// Verify that the strings read back are the same as those written
IFieldReader reader = new FieldReader(new MemoryStream(writer.ToArray()), null, 2, 0);
Assert.AreEqual(null, reader.ReadString());
Assert.AreEqual("", reader.ReadString());
Assert.AreEqual(" ", reader.ReadString());
Assert.AreEqual("Hi", reader.ReadString());
Assert.AreEqual("Hello", reader.ReadString());
Assert.AreEqual("Hello", reader.ReadString());
Assert.AreEqual("Hi", reader.ReadString());
}
