2015-12-17 21:08:47 +03:00
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module RangeSpec where
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import Test.Hspec
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import Range
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spec :: Spec
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2015-12-17 21:10:12 +03:00
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spec = describe "rangesAndWordsFrom" $ do
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2015-12-17 21:08:47 +03:00
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it "should produce no ranges for the empty string" $
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rangesAndWordsFrom 0 [] `shouldBe` []
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it "should produce no ranges for whitespace" $
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rangesAndWordsFrom 0 " \t\n " `shouldBe` []
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it "should produce a list containing the range of the string for a single-word string" $
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rangesAndWordsFrom 0 "word" `shouldBe` [ (Range 0 4, "word") ]
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it "should produce a list of ranges for whitespace-separated words" $
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rangesAndWordsFrom 0 "wordOne wordTwo" `shouldBe` [ (Range 0 7, "wordOne"), (Range 8 15, "wordTwo") ]
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it "should skip multiple whitespace characters" $
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rangesAndWordsFrom 0 "a b" `shouldBe` [ (Range 0 1, "a"), (Range 3 4, "b") ]
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it "should skip whitespace at the start" $
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rangesAndWordsFrom 0 " a b" `shouldBe` [ (Range 2 3, "a"), (Range 4 5, "b") ]
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it "should skip whitespace at the end" $
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rangesAndWordsFrom 0 "a b " `shouldBe` [ (Range 0 1, "a"), (Range 2 3, "b") ]
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it "should produce ranges offset by its start index" $
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rangesAndWordsFrom 100 "a b" `shouldBe` [ (Range 100 101, "a"), (Range 102 103, "b") ]
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