public void BothAreEmpty()
{
var ImpStr = new ImplementStr();
var haystack = "";
var needle = "";
Assert.AreEqual(0, ImpStr.StrStr(haystack, needle));
}
public void NeedleLongerThanHaystack()
{
var ImpStr = new ImplementStr();
var haystack = "Test";
var needle = "Tests";
Assert.AreEqual(-1, ImpStr.StrStr(haystack, needle));
}
public void FindNeedle()
{
var ImpStr = new ImplementStr();
var haystack = "TestTest";
var needle = "st";
Assert.AreEqual(2, ImpStr.StrStr(haystack, needle));
}
public void FindNeedle1()
{
var ImpStr = new ImplementStr();
var haystack = "mississippi";
var needle = "issip";
Assert.AreEqual(4, ImpStr.StrStr(haystack, needle));
}
public void NeedleEmpty()
{
var ImpStr = new ImplementStr();
var haystack = "aa";
var needle = string.Empty;
Assert.AreEqual(0, ImpStr.StrStr(haystack, needle));
}