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correct spiral matrix test inputs closes #315 #316

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Merged
BNAndras merged 1 commit into from
May 17, 2025
Merged

correct spiral matrix test inputs closes #315 #316

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40 changes: 20 additions & 20 deletions exercises/practice/spiral-matrix/test/Main.purs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,36 +16,36 @@ suites :: TestSuite
suites =
suite "Spiral.spiral" do
test "empty spiral" $
(spiral 0) `equal` (Nil :: List (List Int))
equal (Nil :: List (List Int)) $ spiral 0

test "trivial spiral" $
(spiral 1) `equal` (to2DList [[1]])
equal (to2DList [[1]]) $ spiral 1

test "spiral of side length 2" $
(spiral 2) `equal` (to2DList [ [1, 2]
, [4, 3]
])
equal (to2DList [ [1, 2]
, [4, 3]
]) $ spiral 2

test "spiral of side length 3" $
(spiral 3) `equal` (to2DList [ [1, 2, 3]
, [8, 9, 4]
, [7, 6, 5]
])
equal (to2DList [ [1, 2, 3]
, [8, 9, 4]
, [7, 6, 5]
]) $ spiral 3

test "spiral of side length 4" $
(spiral 4) `equal` (to2DList [ [ 1, 2, 3, 4]
, [12, 13, 14, 5]
, [11, 16, 15, 6]
, [10, 9, 8, 7]
])
equal (to2DList [ [ 1, 2, 3, 4]
, [12, 13, 14, 5]
, [11, 16, 15, 6]
, [10, 9, 8, 7]
]) $ spiral 4

test "spiral of side length 5" $
(spiral 5) `equal` (to2DList [ [ 1, 2, 3, 4, 5]
, [16, 17, 18, 19, 6]
, [15, 24, 25, 20, 7]
, [14, 23, 22, 21, 8]
, [13, 12, 11, 10, 9]
])
equal (to2DList [ [ 1, 2, 3, 4, 5]
, [16, 17, 18, 19, 6]
, [15, 24, 25, 20, 7]
, [14, 23, 22, 21, 8]
, [13, 12, 11, 10, 9]
]) $ spiral 5

to2DList :: forall a. Array (Array a) -> List (List a)
to2DList = fromFoldable <<< map fromFoldable