public void ShouldRotate90DegreesWith2X2Matrix()
{
int[,] matrix = new int[2, 2] {
{ 1, 2 },
{ 3, 4 },
};
int[,] resultMatrix = new int[2, 2] {
{ 3, 1 },
{ 4, 2 },
};
Assert.Equal(resultMatrix, MatrixRotation.Rotate90Degrees(matrix));
}
public void ShouldRotate90DegreesWith3X3Matrix()
{
int[,] matrix = new int[3, 3] {
{ 1, 2, 3 },
{ 4, 5, 6 },
{ 7, 8, 9 }
};
int[,] resultMatrix = new int[3, 3] {
{ 7, 4, 1 },
{ 8, 5, 2 },
{ 9, 6, 3 }
};
Assert.Equal(resultMatrix, MatrixRotation.Rotate90Degrees(matrix));
}
public void ShouldRotate90DegreesWith4X4Matrix()
{
int[,] matrix = new int[4, 4] {
{ 1, 2, 3, 4 },
{ 5, 6, 7, 8 },
{ 9, 10, 11, 12 },
{ 13, 14, 15, 16 }
};
int[,] resultMatrix = new int[4, 4] {
{ 13, 9, 5, 1 },
{ 14, 10, 6, 2 },
{ 15, 11, 7, 3 },
{ 16, 12, 8, 4 }
};
Assert.Equal(resultMatrix, MatrixRotation.Rotate90Degrees(matrix));
}
