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47 lines
2.2 KiB
Elm
47 lines
2.2 KiB
Elm
module Main exposing (..)
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import ElmTest exposing (..)
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import Triangle exposing (..)
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tests : Test
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tests =
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suite "triangleKind"
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[ test "the solution is for the correct version of the test"
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(assertEqual 2 version)
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, test "equilateral triangles have equal sides"
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(assertEqual (Ok Equilateral) (triangleKind 2 2 2))
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, test "larger equilateral triangles also have equal sides"
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(assertEqual (Ok Equilateral) (triangleKind 10 10 10))
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, test "isosceles triangles have last two sides equal"
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(assertEqual (Ok Isosceles) (triangleKind 3 4 4))
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, test "isosceles triangles have first and last sides equal"
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(assertEqual (Ok Isosceles) (triangleKind 4 3 4))
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, test "isosceles triangles have two first sides equal"
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(assertEqual (Ok Isosceles) (triangleKind 4 4 3))
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, test "isosceles triangles have in fact exactly two sides equal"
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(assertEqual (Ok Isosceles) (triangleKind 10 10 2))
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, test "scalene triangles have no equal sides"
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(assertEqual (Ok Scalene) (triangleKind 3 4 5))
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, test "scalene triangles have no equal sides at a larger scale too"
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(assertEqual (Ok Scalene) (triangleKind 10 11 12))
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, test "scalene triangles have no equal sides at a larger scale too 2"
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(assertEqual (Ok Scalene) (triangleKind 5 4 2))
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, test "very small triangles are legal"
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(assertEqual (Ok Scalene) (triangleKind 0.4 0.6 0.3))
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, test "triangles with no size are illegal"
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(assertEqual (Err "Invalid lengths") (triangleKind 0 0 0))
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, test "triangles with negative sides are illegal"
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(assertEqual (Err "Invalid lengths") (triangleKind 3 4 -5))
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, test "triangles violating triangle inequality are illegal 1"
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(assertEqual (Err "Violates inequality") (triangleKind 1 1 3))
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, test "triangles violating triangle inequality are illegal 2"
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(assertEqual (Err "Violates inequality") (triangleKind 2 4 2))
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, test "triangles violating triangle inequality are illegal 3"
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(assertEqual (Err "Violates inequality") (triangleKind 7 3 2))
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]
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main : Program Never
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main =
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runSuite tests
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