public void CharactersComparedOneByOne_Invariant(RegexOptions options)
{
// Regex compares characters one by one. If that changes, it could impact the behavior of
// a case like this, where these characters are not the same, but the strings compare
// as equal with the invariant culture (and some other cultures as well).
const string S1 = "\u00D6\u200D";
const string S2 = "\u004F\u0308";
// Validate the chosen strings to make sure they compare the way we want to test via Regex
Assert.False(S1[0] == S2[0]);
Assert.False(S1[1] == S2[1]);
Assert.StartsWith(S1, S2, StringComparison.InvariantCulture);
Assert.True(S1.Equals(S2, StringComparison.InvariantCulture));
// Test varying lengths of strings to validate codegen changes that kick in at longer lengths
foreach (int multiple in new[] { 1, 10, 100 })
{
string pattern = string.Concat(Enumerable.Repeat(S1, multiple));
string input = string.Concat(Enumerable.Repeat(S2, multiple));
Regex r;
// Validate when the string is at the beginning of the pattern, as it impacts Boyer-Moore prefix matching.
r = new Regex(pattern, options);
Assert.False(r.IsMatch(input));
Assert.True(r.IsMatch(pattern));
// Validate when it's not at the beginning of the pattern, as it impacts "multi" matching.
r = new Regex("[abc]" + pattern, options);
Assert.False(r.IsMatch("a" + input));
Assert.True(r.IsMatch("a" + pattern));
}
}
public override bool Equals(object obj)
{
var other = obj as JoinWithAuditNameEntity;
if (other == null)
{
return(false);
}
return(Id == other.Id && S1.Equals(other.S1) && S2.Equals(other.S2));
}
private void Remove(char?literal)
{
if (!literal.HasValue)
{
return;
}
if (S1?.Equals(literal.Value) ?? false)
{
S1 = null;
}
if (S2?.Equals(literal.Value) ?? false)
{
S2 = null;
}
}