public void RegexToStringShouldCreateSingleCharacterString()
{
var regex = new RegexDefinition(
false,
new RegexExpressionTerm(
new RegexTerm(
new RegexFactor(
new RegexAtomCharacter(
new RegexCharacter('a'))))),
false);
Assert.AreEqual("a", regex.ToString());
}
public void RegexToStringShouldCreateSetString()
{
var regex = new RegexDefinition(
false,
new RegexExpressionTerm(
new RegexTerm(
new RegexFactor(
new RegexAtomSet(
new RegexSet(
false,
new RegexCharacterClass(
new RegexCharacterUnitRange(
new RegexCharacterClassCharacter('a')))))))),
false);
Assert.AreEqual("[a]", regex.ToString());
}
public void RegexToStringShouldCreateNegativeRangeString()
{
var regex = new RegexDefinition(
false,
new RegexExpressionTerm(
new RegexTerm(
new RegexFactor(
new RegexAtomSet(
new RegexSet(
true,
new RegexCharacterClass(
new RegexCharacterRange(
new RegexCharacterClassCharacter('a'),
new RegexCharacterClassCharacter('z')))))))),
false);
Assert.AreEqual("[^a-z]", regex.ToString());
}