public void ToInt32_ForPositiveNumber_ReturnsExpectedValue()
{
var input = GetBytes(0x11, 0x22, 0x33, 0x44);
const int expected = 0x11223344;
var actual = NumericConverter.ToInt32(input);
Assert.That(actual, Is.EqualTo(expected), actual.ToString("x"));
}
public void ToInt32_FoNegativeNumber_ReturnsExpectedValue()
{
var input = GetBytes(0x88, 0x99, 0xaa, 0xbb);
const int expected = -0x77665545;
var actual = NumericConverter.ToInt32(input);
Assert.That(actual, Is.EqualTo(expected), actual.ToString("x"));
}
public static int ReadInt32(Stream stream, int count)
{
var offset = 4 - count;
var buffer = new byte[4];
var bytesRead = stream.Read(buffer, offset, count);
if (bytesRead < count)
{
throw Exceptions.UnexpectedEnd();
}
return(NumericConverter.ToInt32(buffer));
}
