Row test in NSpec

describe_AClass.cs

/*
output of the row test below
  describe AClass
    describe many variations
      A should equal A
      C should equal A - [Failed]
*/

//top level context to describe class
class describe_AClass
{
    //nested context need so that row test can be done
    //a method body is required to do a row test
    void describe_many_variations()
    {
        //create any anonymous type on the fly
        //which will represent your row test data
        new[] 
        {
            new { actual = "A", expected = "A" },
            new { actual = "C", expected = "A" }
        }.Do(rowTest => //enumerate the row test using NSpec's "Do" extension method
        {
            //print out the description using NSpec's "With" method (pretty much a wrapper for string.Format)
            it["{0} should equal {1}".With(rowTest.actual, rowTest.expected)] =>
                rowTest.expected.should_be(rowTest.actual);  //assert on what you need to assert on
        };
    }
}