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54 lines
2.5 KiB
Elm
54 lines
2.5 KiB
Elm
module Tests exposing (..)
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import Test exposing (..)
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import Expect
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import Triangle exposing (triangleKind, Triangle(..), version)
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tests : Test
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tests =
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describe "triangleKind"
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[ test "the solution is for the correct version of the test" <|
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\() -> Expect.equal 2 version
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, test "equilateral triangles have equal sides" <|
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\() -> Expect.equal (Ok Equilateral) (triangleKind 2 2 2)
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, skip <|
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test "larger equilateral triangles also have equal sides" <|
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\() -> Expect.equal (Ok Equilateral) (triangleKind 10 10 10)
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, skip <|
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test "isosceles triangles have last two sides equal" <|
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\() -> Expect.equal (Ok Isosceles) (triangleKind 3 4 4)
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, skip <|
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test "isosceles triangles have first and last sides equal" <|
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\() -> Expect.equal (Ok Isosceles) (triangleKind 4 3 4)
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, skip <|
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test "isosceles triangles have two first sides equal" <|
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\() -> Expect.equal (Ok Isosceles) (triangleKind 4 4 3)
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, skip <|
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test "isosceles triangles have in fact exactly two sides equal" <|
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\() -> Expect.equal (Ok Isosceles) (triangleKind 10 10 2)
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, skip <|
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test "scalene triangles have no equal sides" <|
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\() -> Expect.equal (Ok Scalene) (triangleKind 3 4 5)
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, skip <|
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test "scalene triangles have no equal sides at a larger scale too" <|
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\() -> Expect.equal (Ok Scalene) (triangleKind 10 11 12)
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, skip <|
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test "scalene triangles have no equal sides at a larger scale too 2" <|
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\() -> Expect.equal (Ok Scalene) (triangleKind 5 4 2)
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, skip <|
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test "very small triangles are legal" <|
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\() -> Expect.equal (Ok Scalene) (triangleKind 0.4 0.6 0.3)
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, skip <|
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test "triangles with no size are illegal" <|
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\() -> Expect.equal (Err "Invalid lengths") (triangleKind 0 0 0)
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, skip <|
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test "triangles with negative sides are illegal" <|
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\() -> Expect.equal (Err "Invalid lengths") (triangleKind 3 4 -5)
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, skip <|
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test "triangles violating triangle inequality are illegal 1" <|
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\() -> Expect.equal (Err "Violates inequality") (triangleKind 1 1 3)
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, skip <|
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test "triangles violating triangle inequality are illegal 2" <|
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\() -> Expect.equal (Err "Violates inequality") (triangleKind 7 3 2)
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]
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