public void Given_NullMatrix_Then_ProduceNull()
{
// Arrange
int[][] input = null;
int[][] expected = null;
// Act
var spiralGenerator = new SpiralMatrix();
var actual = spiralGenerator.Run(input);
// Assert
CollectionAssert.AreEqual(expected, actual);
}
public void Given_3By3Matrix_Then_ProduceASpiralArray()
{
// Arrange
int[][] input = new []{
new []{ 1, 2, 3 },
new []{ 4, 5, 6 },
new []{ 7, 8, 9 }
};
var expected = new[] { 1, 2, 3, 6, 9, 8, 7, 4, 5 };
// Act
var spiralGenerator = new SpiralMatrix();
var actual = spiralGenerator.Run(input);
// Assert
CollectionAssert.AreEqual(expected, actual);
}