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test it works with non-zero starting position

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Daniel Barlow 2023-01-22 17:23:26 +00:00
parent 6546a16ec6
commit b4ade2e114
1 changed files with 8 additions and 8 deletions
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16
rover.fnl
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@ -13,10 +13,10 @@
(fn command [rover commands] (fn command [rover commands]
(match rover.direction (match rover.direction
:n {:x 0 :y (+ rover.y 1) :direction :n} :n {:x rover.x :y (+ rover.y 1) :direction :n}
:s {:x 0 :y (- rover.y 1) :direction :s} :s {:x rover.x :y (- rover.y 1) :direction :s}
:w {:x (- rover.x 1) :y 0 :direction :w} :w {:x (- rover.x 1) :y rover.y :direction :w}
:e {:x (+ rover.x 1) :y 0 :direction :e})) :e {:x (+ rover.x 1) :y rover.y :direction :e}))
(fn rover [x y direction] (fn rover [x y direction]
{: x {: x
@ -25,11 +25,11 @@
: command : command
}) })
(let [r (rover 0 0 :n)] (let [r (rover 7 15 :n)]
(expect (expect
"rover knows (x,y) and the direction (N,S,E,W) it is facing" "rover knows (x,y) and the direction (N,S,E,W) it is facing"
r r
{:x 0 :y 0 :direction :n})) {:x 7 :y 15 :direction :n}))
(let [r (rover 0 0 :n)] (let [r (rover 0 0 :n)]
(expect "The rover receives a character array of commands" (expect "The rover receives a character array of commands"
@ -40,9 +40,9 @@
(expect "Moves north when pointing north and asked to move forward" (expect "Moves north when pointing north and asked to move forward"
(r:command [:f]) {:x 0 :y 1 :direction :n})) (r:command [:f]) {:x 0 :y 1 :direction :n}))
(let [r (rover 0 0 :s)] (let [r (rover 3 2 :s)]
(expect "Moves south when pointing south and asked to move forward" (expect "Moves south when pointing south and asked to move forward"
(r:command [:f]) {:x 0 :y -1 :direction :s})) (r:command [:f]) {:x 3 :y 1 :direction :s}))
(let [r (rover 0 0 :w)] (let [r (rover 0 0 :w)]
(expect "Moves west when pointing west and asked to move forward" (expect "Moves west when pointing west and asked to move forward"