public void FromSpan_SuccessCase_All()
{
// Act
var range = UnicodeRange.FromSpan('\u0000', '\uFFFF');
// Assert
Assert.Equal(0, range.FirstCodePoint);
Assert.Equal(0x10000, range.RangeSize);
}
public void FromSpan_SuccessCase()
{
// Act
var range = UnicodeRange.FromSpan('\u0180', '\u024F'); // Latin Extended-B
// Assert
Assert.Equal(0x0180, range.FirstCodePoint);
Assert.Equal(208, range.RangeSize);
}
[MethodImpl(MethodImplOptions.NoInlining)] // the caller should be inlined, not this method
private static UnicodeRange CreateRange(ref UnicodeRange range, char first, char last)
{
// If the range hasn't been created, create it now.
// It's ok if two threads race and one overwrites the other's 'range' value.
Debug.Assert(last > first, "Code points were specified out of order.");
var newRange = UnicodeRange.FromSpan(first, last);
Volatile.Write(ref range, newRange);
return(newRange);
}
public void FromSpan_FailureCase()
{
var ex = Assert.Throws <ArgumentOutOfRangeException>(() => UnicodeRange.FromSpan('\u0020', '\u0010'));
Assert.Equal("lastChar", ex.ParamName);
}