public void TestRotateRowCommand()
{
bool[,] matrix = new bool[4, 3]
{
{ false,
false,
true }, { false,
false,
false }, { false,
false,
false }, { false,
false,
false }
};
RotateRowCommand cmd = new RotateRowCommand("rotate row y=2 by 2");
cmd.ApplyCommand(matrix);
Assert.AreEqual(false, matrix[0, 2]);
Assert.AreEqual(false, matrix[1, 2]);
Assert.AreEqual(true, matrix[2, 2]);
Assert.AreEqual(false, matrix[3, 2]);
}
public void RotateRowCommand_CreatedCorrectly()
{
var expected = new RotateRowCommand(0, 4);
var mockViewer = new Mock <IPixelViewer>();
var commandStrings = new[] { "rotate row y=0 by 4" };
var commands = new PixelViewerCommandFactory().Create(() => commandStrings);
Assert.Equal(1, commands.Count());
Assert.Equal(expected, commands.First());
}
public void Row_RotatesElements()
{
var expectedRow = new[] { new Pixel(0, 1, true), new Pixel(1, 1, false), new Pixel(2, 1, false) };
var viewer = new[]
{
new Pixel[0],
new[] { new Pixel(0, 1, isOn: false), new Pixel(1, 1, isOn: true), new Pixel(2, 1, isOn: false) },
new Pixel[0]
};
Pixel[] actual = null;
var mockViewer = new Mock <IPixelViewer>();
mockViewer.Setup(a => a.Rows).Returns(() => viewer);
mockViewer.Setup(a => a.Update(It.IsAny <Pixel[]>())).Callback <Pixel[]>(pixels => actual = pixels);
var sut = new RotateRowCommand(1, 2);
sut.Update(mockViewer.Object);
Assert.True(expectedRow.SequenceEqual(actual));
}
