public string TrimStartWithMax(string input, string startsWith, StringComparison comparisonType, int max)
{
PexAssume.IsNotNull(input);
PexAssume.IsNotNull(startsWith);
int count;
string result = CommonStringExtensions.TrimStart(input, startsWith, comparisonType, max, out count);
PexAssert.IsNotNull(result);
PexAssert.IsTrue(result.Length <= input.Length);
bool isStartsWithNotEmpty = startsWith.Length > 0;
if (isStartsWithNotEmpty)
{
int originalStartsWithCount = CommonStringExtensions.CountSubstringStart(input, startsWith, comparisonType);
int resultStartsWithCount = CommonStringExtensions.CountSubstringStart(result, startsWith, comparisonType);
PexAssert.IsTrue(resultStartsWithCount == 0 ||
resultStartsWithCount == originalStartsWithCount - max);
PexAssert.IsTrue(originalStartsWithCount - resultStartsWithCount == count);
}
return(result);
}
public int CountSubstringStart(string input, string startsWith, StringComparison comparisonType)
{
int result = CommonStringExtensions.CountSubstringStart(input, startsWith, comparisonType);
PexAssert.IsTrue(result >= 0);
return(result);
}
public string TrimEndOnce(string input, string startsWith, StringComparison comparisonType)
{
string result = CommonStringExtensions.TrimEndOnce(input, startsWith, comparisonType);
PexAssert.IsNotNull(result);
PexAssert.IsTrue(result.Length <= input.Length);
int originalStartsWithCount = CommonStringExtensions.CountSubstringStart(input, startsWith);
int resultStartsWithCount = CommonStringExtensions.CountSubstringStart(result, startsWith);
PexAssert.IsTrue(originalStartsWithCount - resultStartsWithCount <= 1);
return(result);
}