public void GivenValidHexChar_WhichIsUpperCase_AsCharReturnsSameCharAsLowerCase(char upperCaseHexChar)
{
var expectedHexChar = Char.ToLower(upperCaseHexChar);
var hexDigit = new HexDigit(upperCaseHexChar);
hexDigit.AsChar.Should().Be(expectedHexChar);
}
public void GivenInvalidHexDigitArray_ConstructorShouldThrow_InvalidHexStringException()
{
var hexDigits = new HexDigit[] { new HexDigit('0') };
Action constructWithInvalidHexDigitArray = () => new HexString(hexDigits);
constructWithInvalidHexDigitArray.ShouldThrow <InvalidHexStringException>();
}
public void GivenValidHexDigitArray_ConstructsExpectedHexString()
{
var hexDigits = new HexDigit[]
{
new HexDigit('0'),
new HexDigit('f'),
};
const string ExpectedHex = "0f";
var hexString = new HexString(hexDigits);
hexString.Hex.Should().Be(ExpectedHex);
}
public void GivenValidHex_IndexOperator_ReturnsExpectedHexDigits()
{
const string Hex = "0c9f";
var expectedHexDigits = new HexDigit[]
{
new HexDigit('0'),
new HexDigit('c'),
new HexDigit('9'),
new HexDigit('f'),
};
var hexString = new HexString(Hex);
for (var i = 0; i < Hex.Length; ++i)
{
var expectedDigit = expectedHexDigits[i];
var actualDigit = hexString[i];
expectedDigit.AsChar.Should().Be(actualDigit.AsChar);
expectedDigit.AsByte.Should().Be(actualDigit.AsByte);
}
}
public static char ToChar(this HexDigit src)
{
if (src == HexDigit.X0)
{
return(AsciDigits.A0);
}
else if (src == HexDigit.X1)
{
return(AsciDigits.A1);
}
else if (src == HexDigit.X2)
{
return(AsciDigits.A2);
}
else if (src == HexDigit.X3)
{
return(AsciDigits.A3);
}
else if (src == HexDigit.X4)
{
return(AsciDigits.A4);
}
else if (src == HexDigit.X5)
{
return(AsciDigits.A5);
}
else if (src == HexDigit.X6)
{
return(AsciDigits.A6);
}
else if (src == HexDigit.X7)
{
return(AsciDigits.A7);
}
else if (src == HexDigit.X8)
{
return(AsciDigits.A8);
}
else if (src == HexDigit.X9)
{
return(AsciDigits.A9);
}
else if (src == HexDigit.XA)
{
return(AsciLower.a);
}
else if (src == HexDigit.XB)
{
return(AsciLower.b);
}
else if (src == HexDigit.XC)
{
return(AsciLower.c);
}
else if (src == HexDigit.XD)
{
return(AsciLower.d);
}
else if (src == HexDigit.XE)
{
return(AsciLower.e);
}
else if (src == HexDigit.XF)
{
return(AsciLower.f);
}
else
{
return(MathSym.EmptySet);
}
}
public void GivenValidHexByte_AsByteReturnsExpectedByte(byte expectedHexByte)
{
var hexDigit = new HexDigit(expectedHexByte);
hexDigit.AsByte.Should().Be(expectedHexByte);
}
public void GivenValidHexByte_AsCharReturnsExpectedChar(byte hexByte, char expectedHexChar)
{
var hexDigit = new HexDigit(hexByte);
hexDigit.AsChar.Should().Be(expectedHexChar);
}
public void GivenValidHexChar_AsByteReturnsExpectedByte(char hexChar, byte expectedByte)
{
var hexDigit = new HexDigit(hexChar);
hexDigit.AsByte.Should().Be(expectedByte);
}
public void GivenValidHexChar_AsCharReturnsSameChar(char expectedHexChar)
{
var hexDigit = new HexDigit(expectedHexChar);
hexDigit.AsChar.Should().Be(expectedHexChar);
}