public void Test_Writing_A_String_To_A_Null_BinaryWriter()
{
IDataNode dataNode = new StringDataNode();
Action action = () => dataNode.Write(null, string.Empty);
action.Should()
.ThrowArgumentNullException("binaryWriter");
}
public void Test_Writing_A_Null_String()
{
IDataNode dataNode = new StringDataNode();
Action action = () => dataNode.Write(binaryWriter, null);
action.Should()
.ThrowArgumentNullException("value");
}
public void Test_Writing_A_Non_String_Object()
{
IDataNode dataNode = new StringDataNode();
int value = 1;
Action action = () => dataNode.Write(binaryWriter, value);
action.Should()
.ThrowExactly <ArgumentException>()
.WithMessage($"Cannot write value of type {value.GetType().Name} as a string.");
}
public void Test_Writing_An_Offline_String_With_Invalid_Length()
{
IDataNode dataNode = new StringDataNode();
string value = new string('a', StringDataNode.OFFSET_STRING_MAX_LENGTH + 1);
Action action = () => dataNode.Write(binaryWriter, value);
action.Should()
.ThrowExactly <ArgumentException>()
.WithMessage($"String length is longer than {StringDataNode.OFFSET_STRING_MAX_LENGTH}.");
}
public void Test_Writing_An_Inline_String_Longer_Than_The_Fixed_Size()
{
byte length = 20;
IDataNode dataNode = new StringDataNode(length);
string value = new string('a', length + 1);
Action action = () => dataNode.Write(binaryWriter, value);
action.Should()
.ThrowExactly <ArgumentException>()
.WithMessage($"String length is longer than {length}.");
}
public void Test_Writing_An_Inline_String_Of_Exactly_The_Fixed_Size()
{
byte length = 20;
IDataNode dataNode = new StringDataNode(length);
string value = new string('b', length);
dataNode.Write(binaryWriter, value);
Received.InOrder(() =>
{
binaryWriter.WriteBytes(Matcher.ForEquivalentArray(Encoding.ASCII.GetBytes(value)));
});
}
public void Test_Writing_An_Offline_String()
{
IDataNode dataNode = new StringDataNode();
string value = "my value";
dataNode.Write(binaryWriter, value);
Received.InOrder(() =>
{
binaryWriter.WriteByte((byte)value.Length);
binaryWriter.WriteBytes(Matcher.ForEquivalentArray(Encoding.ASCII.GetBytes(value)));
binaryWriter.WriteByte(0);
});
}
