[MethodImpl(MethodImplOptions.NoInlining)] // the caller should be inlined, not this method
private static UnicodeRange CreateEmptyRange(ref UnicodeRange range)
{
// 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.
var newRange = new UnicodeRange(0, 0);
Volatile.Write(ref range, newRange);
return newRange;
}
public void Ctor_SuccessCase()
{
// Act
var range = new UnicodeRange(0x0100, 128); // Latin Extended-A
// Assert
Assert.Equal(0x0100, range.FirstCodePoint);
Assert.Equal(128, 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_SuccessCase()
{
// Act
var range = UnicodeRange.FromSpan('\u0180', '\u024F'); // Latin Extended-B
// Assert
Assert.Equal(0x0180, range.FirstCodePoint);
Assert.Equal(208, range.RangeSize);
}
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 Ctor_SuccessCase()
{
// Act
var range = new UnicodeRange(0x0100, 128); // Latin Extended-A
// Assert
Assert.Equal(0x0100, range.FirstCodePoint);
Assert.Equal(128, range.RangeSize);
}
[MethodImpl(MethodImplOptions.NoInlining)] // the caller should be inlined, not this method
private static UnicodeRange CreateEmptyRange(ref UnicodeRange range)
{
// 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.
var newRange = new UnicodeRange(0, 0);
Volatile.Write(ref range, newRange);
return(newRange);
}
[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 Range_None()
{
UnicodeRange range = UnicodeRanges.None;
Assert.NotNull(range);
// Test 1: the range should be empty
Assert.Equal(0, range.FirstCodePoint);
Assert.Equal(0, range.RangeSize);
// Test 2: calling the property multiple times should cache and return the same range instance
UnicodeRange range2 = UnicodeRanges.None;
Assert.Same(range, range2);
}
/// <summary>
/// Disallows all characters specified by <paramref name="range"/> through the filter.
/// </summary>
/// <returns>
/// The 'this' instance.
/// </returns>
public CodePointFilter ForbidRange(UnicodeRange range)
{
if (range == null)
{
throw new ArgumentNullException(nameof(range));
}
int firstCodePoint = range.FirstCodePoint;
int rangeSize = range.RangeSize;
for (int i = 0; i < rangeSize; i++)
{
_allowedCharsBitmap.ForbidCharacter((char)(firstCodePoint + i));
}
return(this);
}
public void Range_Unicode(char first, char last, string blockName)
{
Assert.Equal(0x0, first & 0xF); // first char in any block should be U+nnn0
Assert.Equal(0xF, last & 0xF); // last char in any block should be U+nnnF
Assert.True(first < last); // code point ranges should be ordered
var propInfo = typeof(UnicodeRanges).GetProperty(blockName, BindingFlags.Public | BindingFlags.Static);
Assert.NotNull(propInfo);
UnicodeRange range = (UnicodeRange)propInfo.GetValue(null);
Assert.NotNull(range);
// Test 1: the range should span the range first..last
Assert.Equal(first, range.FirstCodePoint);
Assert.Equal(last, range.FirstCodePoint + range.RangeSize - 1);
// Test 2: calling the property multiple times should cache and return the same range instance
UnicodeRange range2 = (UnicodeRange)propInfo.GetValue(null);
Assert.Same(range, range2);
}
/// <summary>
/// Disallows all characters specified by <paramref name="range"/> through the filter.
/// </summary>
/// <returns>
/// The 'this' instance.
/// </returns>
public CodePointFilter ForbidRange(UnicodeRange range)
{
if (range == null)
{
throw new ArgumentNullException(nameof(range));
}
int firstCodePoint = range.FirstCodePoint;
int rangeSize = range.RangeSize;
for (int i = 0; i < rangeSize; i++)
{
_allowedCharsBitmap.ForbidCharacter((char)(firstCodePoint + i));
}
return this;
}
public void FromSpan_FailureCase()
{
var ex = Assert.Throws <ArgumentOutOfRangeException>(() => UnicodeRange.FromSpan('\u0020', '\u0010'));
Assert.Equal("lastChar", ex.ParamName);
}