public void ContainsDroppedIdentifierCharacters()
{
Assert.False(SyntaxFacts.ContainsDroppedIdentifierCharacters(null));
Assert.False(SyntaxFacts.ContainsDroppedIdentifierCharacters(""));
Assert.False(SyntaxFacts.ContainsDroppedIdentifierCharacters("a"));
Assert.False(SyntaxFacts.ContainsDroppedIdentifierCharacters("a@"));
Assert.True(SyntaxFacts.ContainsDroppedIdentifierCharacters("@"));
Assert.True(SyntaxFacts.ContainsDroppedIdentifierCharacters("@a"));
Assert.True(SyntaxFacts.ContainsDroppedIdentifierCharacters("\u200d"));
Assert.True(SyntaxFacts.ContainsDroppedIdentifierCharacters("a\u200d"));
}
public void TestFormattingCharacter()
{
var text = "\u0915\u094d\u200d\u0937";
var tok = SyntaxFactory.ParseToken(text);
Assert.NotNull(tok);
Assert.Equal(text, tok.ToString());
Assert.NotEqual(text, tok.ValueText);
Assert.Equal("\u0915\u094d\u0937", tok.ValueText); //formatting character \u200d removed
Assert.True(SyntaxFacts.ContainsDroppedIdentifierCharacters(text));
Assert.False(SyntaxFacts.ContainsDroppedIdentifierCharacters(tok.ValueText));
}
public void TestSoftHyphen()
{
var text = "x\u00ady";
var tok = SyntaxFactory.ParseToken(text);
Assert.NotNull(tok);
Assert.Equal(text, tok.ToString());
Assert.NotEqual(text, tok.ValueText);
Assert.Equal("xy", tok.ValueText); // formatting character SOFT HYPHEN (U+00AD) removed
Assert.True(SyntaxFacts.ContainsDroppedIdentifierCharacters(text));
Assert.False(SyntaxFacts.ContainsDroppedIdentifierCharacters(tok.ValueText));
}
