public void FirstChar_FirstLine_Should_Equal_LastChar_LastLine()
{
//Arrange
var lines = new List <string>
{
"A111B",
"C222D",
"E333F",
"G444H"
};
//Last char last line
var expected = 'H';
var sut = new ReversalLogic();
//Act
var results = sut.Reverse(lines);
//Assert
var firstCharFirstLine = results.First().First();
Assert.AreEqual(expected, firstCharFirstLine);
}
public void LastChar_LastLine_Should_Equal_FirstChar_FirstLine()
{
//Arrange
var lines = new List <string>
{
"A11111111111111111111",
"22222222222222222222Z"
};
//First char first line
var expected = 'A';
var sut = new ReversalLogic();
//Act
var results = sut.Reverse(lines);
//Assert
var lastCharLastLine = results.Last().Last();
Assert.AreEqual(expected, lastCharLastLine);
}
public void LastChar_SecondLastLine_Should_Equal_FirstChar_SecondLine()
{
//Arrange
var lines = new List <string>
{
"A111B",
"C222D",
"E333F",
"G444H"
};
//First char second line
var expected = 'C';
var sut = new ReversalLogic();
//Act
var results = sut.Reverse(lines);
//Assert
var lastCharSecondLastLine = results.ElementAt(2).Last();
Assert.AreEqual(expected, lastCharSecondLastLine);
}
public void Reverse_Should_Return_The_Same_Number_Of_Lines()
{
//Arrange
var lines = new List <string>
{
"A11111111111111111111",
"22222222222222222222Z"
};
var sut = new ReversalLogic();
//Act
var results = sut.Reverse(lines);
//Assert
Assert.AreEqual(lines.Count, results.Count());
}