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semantic/test/RangeSpec.hs
Rob Rix 8cec95aad4 Merge branch 'master' into pretty-print-expectations
# Conflicts:
#	script/cibuild-semantic-diff
#	script/cibuild-semantic-diff-linux
#	test/RangeSpec.hs
#	test/Spec.hs
2016-09-20 05:56:12 +09:00

34 lines
1.3 KiB
Haskell

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