public void TestLowerNull()
{
var function = new ToLowerCaseFunction();
Assert.That(function.Evaluate(new string[1]), Is.EqualTo(""));
}
public void TestNothingToLower()
{
var function = new ToLowerCaseFunction();
Assert.That(function.Evaluate("some text"), Is.EqualTo("some text"));
}
public void TestLowerEmpty()
{
var function = new ToLowerCaseFunction();
Assert.That(function.Evaluate(""), Is.EqualTo(""));
}