// Implementations are intentionally split to avoid boxing
private void TestCodePointForwardEnumerator(string s, Utf8String u8s)
{
List<UnicodeCodePoint> codePoints = new List<UnicodeCodePoint>();
Utf8String.CodePointEnumerator it = u8s.CodePoints.GetEnumerator();
while (it.MoveNext())
{
codePoints.Add(it.Current);
}
Utf16LittleEndianCodePointEnumerable utf16CodePoints = new Utf16LittleEndianCodePointEnumerable(s);
Assert.Equal(utf16CodePoints, codePoints);
Utf8String u8s2 = new Utf8String(codePoints);
Assert.Equal(u8s, u8s2);
Assert.Equal(s, u8s2.ToString());
}
public void EnumerateAndEnsureCodePointsOfTheSameUtf8AndUtf16StringsAreTheSame(string utf16String, Utf8String utf8String)
{
var utf16StringCodePoints = new Utf16LittleEndianCodePointEnumerable(utf16String);
var utf16CodePointEnumerator = utf16StringCodePoints.GetEnumerator();
var utf8CodePointEnumerator = utf8String.CodePoints.GetEnumerator();
bool moveNext;
while (true)
{
moveNext = utf16CodePointEnumerator.MoveNext();
Assert.Equal(moveNext, utf8CodePointEnumerator.MoveNext());
if (!moveNext)
{
break;
}
Assert.Equal(utf16CodePointEnumerator.Current, utf8CodePointEnumerator.Current);
}
}
private void TestCodePointReverseEnumerator(string s, Utf8String u8s)
{
List <uint> codePoints = new List <uint>();
Utf8String.CodePointReverseEnumerator it = u8s.CodePoints.GetReverseEnumerator();
while (it.MoveNext())
{
codePoints.Add(it.Current);
}
codePoints.Reverse();
Utf16LittleEndianCodePointEnumerable utf16CodePoints = new Utf16LittleEndianCodePointEnumerable(s);
Assert.Equal(utf16CodePoints, codePoints);
Utf8String u8s2 = new Utf8String(codePoints);
TestHelper.Validate(u8s, u8s2);
Assert.Equal(s, u8s2.ToString());
}
private static string GetStringLiteral(string s)
{
if (s == null)
{
return("null");
}
Utf16LittleEndianCodePointEnumerable codePoints = new Utf16LittleEndianCodePointEnumerable(s);
StringBuilder sb = new StringBuilder();
sb.Append('"');
foreach (uint codePoint in codePoints)
{
if (codePoint >= 32 && codePoint < 127)
{
sb.Append(char.ConvertFromUtf32(unchecked ((int)codePoint)));
}
else if (codePoint == (uint)'\n')
{
sb.Append("\\n");
}
else if (codePoint == (uint)'\r')
{
sb.Append("\\r");
}
else if (codePoint == (uint)'\t')
{
sb.Append("\\t");
}
else
{
sb.Append(string.Format("\\u{0:X04}", codePoint));
}
}
sb.Append('"');
return(sb.ToString());
}
private static string GetStringLiteral(string s)
{
if (s == null)
{
return "null";
}
Utf16LittleEndianCodePointEnumerable codePoints = new Utf16LittleEndianCodePointEnumerable(s);
StringBuilder sb = new StringBuilder();
sb.Append('"');
foreach (var codePoint in codePoints)
{
if (codePoint.Value >= 32 && codePoint.Value < 127)
{
sb.Append(char.ConvertFromUtf32(unchecked((int)codePoint.Value)));
}
else if (codePoint.Value == (uint)'\n')
{
sb.Append("\\n");
}
else if (codePoint.Value == (uint)'\r')
{
sb.Append("\\r");
}
else if (codePoint.Value == (uint)'\t')
{
sb.Append("\\t");
}
else
{
sb.Append(string.Format("\\u{0:X04}", codePoint.Value));
}
}
sb.Append('"');
return sb.ToString();
}
private void TestCodePointReverseEnumerator(string s, Utf8String u8s)
{
List<UnicodeCodePoint> codePoints = new List<UnicodeCodePoint>();
Utf8String.CodePointReverseEnumerator it = u8s.CodePoints.GetReverseEnumerator();
while (it.MoveNext())
{
codePoints.Add(it.Current);
}
codePoints.Reverse();
Utf16LittleEndianCodePointEnumerable utf16CodePoints = new Utf16LittleEndianCodePointEnumerable(s);
Assert.Equal(utf16CodePoints, codePoints);
Utf8String u8s2 = new Utf8String(codePoints);
Assert.Equal(u8s, u8s2);
Assert.Equal(s, u8s2.ToString());
}
