public void CommonOverlapUnicodeLigaturesAndComponentLettersNoOverlap()
{
// Unicode.
// Some overly clever languages (C#) may treat ligatures as equal to their
// component letters. E.g. U+FB01 == 'fi'
Assert.AreEqual(0, TextUtil.CommonOverlap("fi", "\ufb01i"));
}
public void CommonOverlapEmptyStringNoOverlap()
{
// Detect any suffix/prefix overlap.
// Null case.
Assert.AreEqual(0, TextUtil.CommonOverlap("", "abcd"));
}
public void CommonOverlapFirstEndsWithStartOfSecondOverlap()
{
// Overlap.
Assert.AreEqual(3, TextUtil.CommonOverlap("123456xxx", "xxxabcd"));
}
public void CommonOverlapDisjunctStringsNoOverlap()
{
// No overlap.
Assert.AreEqual(0, TextUtil.CommonOverlap("123456", "abcd"));
}
public void CommonOverlapFirstIsPrefixOfSecondFullOverlap()
{
// Whole case.
Assert.AreEqual(3, TextUtil.CommonOverlap("abc", "abcd"));
}
public void CommonOverlapPatternInTheMiddle_NoOverlap()
{
Assert.Equal(0, TextUtil.CommonOverlap("123456xxx", "efgxxxabcd"));
}
public void CommonOverlapRecurringPatternOverlap()
{
Assert.Equal(4, TextUtil.CommonOverlap("xyz1212", "1212abc"));
}
