public void TestSubstringUpTo()
{
const string source = "The_Staunton:Lick";
Assert.AreEqual(source.SubstringUpTo('_'), "The");
Assert.AreEqual(source.SubstringUpTo(':'), "The_Staunton");
Assert.AreEqual(source.SubstringUpTo('*'), source);
Assert.AreEqual(source.SubstringUpTo('\0'), source);
Assert.AreEqual(StrFuncs.SubstringUpTo(null, '*'), null);
}
public void TestPadAndWrap()
{
const string boon = "Boon";
const string doggle = "Doggle";
const string wrapping = "|||";
string expected = $"{wrapping} {boon} {doggle} {wrapping}";
string created = StrFuncs.PadAndWrap(expected.Length, wrapping, boon, doggle);
Assert.AreEqual(expected, created);
}
public void TestIsOneOf()
{
string[] choices =
{
"one",
"two",
"Three"
};
Assert.IsTrue("one".IsOneOf(choices));
Assert.IsTrue("Three".IsOneOf(choices));
Assert.IsFalse("banananana".IsOneOf(choices));
Assert.IsFalse("one".IsOneOf(null));
Assert.IsFalse("one".IsOneOf());
Assert.IsFalse(StrFuncs.IsOneOf(null, choices));
}
public void TestIsSubstringOfAny()
{
string[] choices =
{
"twentyone",
"TwentyTwo",
"Veintitres"
};
Assert.IsTrue("one".IsOneOf("twentyone", "TwentyTwo", "Veintitres"));
Assert.IsTrue("Two".IsOneOf(choices));
Assert.IsTrue("Veintitres".IsOneOf(choices));
Assert.IsFalse("banananana".IsOneOf(choices));
Assert.IsFalse("one".IsOneOf(null));
Assert.IsFalse("one".IsOneOf());
Assert.IsFalse(StrFuncs.IsOneOf(null, choices));
}
public void ContainsTest()
{
const string toFind = "Blah";
const string atMiddle = "MehBlahPhrmpf";
const string atEnd = "MehPhrmpfBlah";
const string atStart = "BlahMehPhrpf";
const string notThere = "I'mALittleTeaPot";
Assert.IsTrue(atStart.CaselessContains(toFind));
Assert.IsTrue(atMiddle.CaselessContains(toFind));
Assert.IsTrue(atEnd.CaselessContains(toFind));
Assert.IsTrue(atStart.CaselessContains(toFind.ToUpper()));
Assert.IsTrue(atStart.ToUpper().CaselessContains(toFind));
Assert.IsFalse(notThere.Contains(toFind));
Assert.IsFalse(atMiddle.CaselessContains(null));
Assert.IsFalse(StrFuncs.CaselessContains(null, toFind));
}
public void TestPackOutStrings()
{
string[] values =
{
"Mary",
"had",
"a",
"little",
"bit",
"on",
"the",
"side"
};
const string message = "Mary had a little bit on the side";
Assert.AreEqual(StrFuncs.PackOutStrings(values), message);
Assert.AreNotEqual(StrFuncs.PackOutStrings(values), "Message");
Assert.AreEqual(StrFuncs.PackOutStrings(null), string.Empty);
Assert.AreEqual(StrFuncs.PackOutStrings(), string.Empty);
}
