public void EscapeDifferentBrackets()
{
var str = "()[]{}";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual(@"\(\)\[\]\{\}", escaped);
}
public void EscapeDotAndHashSymbol()
{
var str = ".foo#bar";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual(@"\.foo\#bar", escaped);
}
public void EscapeDecrementOperator()
{
var str = "--a";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("--a", escaped);
}
public void EscapeEmptyString()
{
var str = "";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("", escaped);
}
public void EscapeEscapedZero()
{
var str = "\0";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("\ufffd", escaped);
}
public void EscapeZeroNumber()
{
var str = "0";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual(@"\30 ", escaped);
}
public void EscapeIntegerNumber()
{
var str = "123";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("\\31 23", escaped);
}
public void EscapeFloatingNumber()
{
var str = "1.23";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("\\31 \\.23", escaped);
}
public void EscapeMinusIdentifier()
{
var str = "-bc";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("-bc", escaped);
}
public void EscapeSingleMinus()
{
var str = "-";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("\\-", escaped);
}
public void EscapeSimpleIdentifier()
{
var str = "abc";
var escaped = CssHelpers.Escape(str);
Assert.AreEqual("abc", escaped);
}
internal bool TryConvertTurnToAngle(string token, out double angle)
{
if (token.TryExtractNumber("turn", out var turn))
{
angle = CssHelpers.FromDegrees(360 * turn);
return(true);
}
angle = 0;
return(false);
}
internal bool TryConvertDegreeToAngle(string token, out double angle)
{
if (token.TryExtractNumber("deg", out var degrees))
{
angle = CssHelpers.FromDegrees(degrees);
return(true);
}
angle = 0;
return(false);
}
internal bool TryConvertDegreeToAngle(string token, out double angle)
{
if (token.EndsWith("deg", StringComparison.OrdinalIgnoreCase))
{
var index = token.LastIndexOf("deg", StringComparison.OrdinalIgnoreCase);
var degreesStr = token.Substring(0, index);
if (double.TryParse(degreesStr, NumberStyles.Any, CultureInfo.InvariantCulture, out var degrees))
{
angle = CssHelpers.FromDegrees(degrees);
return(true);
}
}
angle = 0;
return(false);
}
