public void TestSubStringAfterNonExistingBefore()
{
var function = new SubStringAfterFunction();
Assert.That(function.Evaluate("abcdefg", "xyz"), Is.EqualTo(""));
}
public void TestSubStringAfterBeforeNull()
{
var function = new SubStringAfterFunction();
Assert.That(function.Evaluate("abcdefg", null), Is.EqualTo(""));
}
public void TestSubStringAfterExisting()
{
var function = new SubStringAfterFunction();
Assert.That(function.Evaluate("abcdefg", "de"), Is.EqualTo("fg"));
}
public void TestSubStringAfterAllNull()
{
var function = new SubStringAfterFunction();
Assert.That(function.Evaluate(null, null), Is.EqualTo(""));
}