Run the program from the app root
$ ruby toy_robot.rb
Expected terminal output:
Options: PLACE X,Y,F; MOVE; LEFT; RIGHT; REPORT; EXIT
| Commands | Description |
|---|---|
| PLACE X,Y,F | Place the robot on the table at coordinates x,y and facing the direction f. Valid x and y values are between 0-4. Valid directions are WEST, NORTH, EAST, SOUTH. Example Input: "PLACE 0,0,NORTH" |
| MOVE | Move the robot forward 1 step in the direction it is facing. |
| LEFT | Turn the robot's direction 90 degress to the left. I.e. if the robot is facing NORTH, 1 left turn will turn the robot's direction to WEST. |
| RIGHT | Turn the robot's direction 90 degress to the right. I.e. if the robot is facing NORTH, 1 left turn will turn the robot's direction to EAST. |
| REPORT | Output the current position of the robot. Example Output: "Output: 0,0,NORTH" |
| EXIT | Gracefully exit the program. |
Test by running rspec http://rspec.info/
$ rspec spec/.rb with coverage COVERAGE=true rspec spec/.rb
Expected terminal output:
... ... ... ... ... ... ... ..Output: 1,2,NORTH
... ... ... ... ... ... ..
Finished in 0.1201 seconds (files took 0.2322 seconds to load)
42 examples, 0 failures
The toy robot must not fall off the table during movement. This also includes the initial placement of the toy robot. Any move that would cause the robot to fall must be ignored.
Example Input and Output: a)
PLACE 0,0,NORTH
MOVE
REPORT
Output: 0,1,NORTH
b)
PLACE 0,0,NORTH
LEFT
REPORT
Output: 0,0,WEST
c)
PLACE 1,2,EAST
MOVE
MOVE
LEFT
MOVE
REPORT
Output: 3,3,NORTH