From f3d1f3cbd6e99f5d477a78e05c13b65b9e8b3fae Mon Sep 17 00:00:00 2001 From: Ɓukasz Hanuszczak Date: Sun, 28 Jun 2015 00:49:17 +0200 Subject: Add basic tests related to comment parsing. --- .../Haddock/Backends/Hyperlinker/ParserSpec.hs | 37 +++++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) (limited to 'haddock-api/test') diff --git a/haddock-api/test/Haddock/Backends/Hyperlinker/ParserSpec.hs b/haddock-api/test/Haddock/Backends/Hyperlinker/ParserSpec.hs index c85fa47e..d5964224 100644 --- a/haddock-api/test/Haddock/Backends/Hyperlinker/ParserSpec.hs +++ b/haddock-api/test/Haddock/Backends/Hyperlinker/ParserSpec.hs @@ -9,9 +9,44 @@ import Haddock.Backends.Hyperlinker.Parser main :: IO () main = hspec spec + spec :: Spec spec = do describe "parse" parseSpec + parseSpec :: Spec -parseSpec = return () +parseSpec = do + + context "when parsing single-line comments" $ do + + it "should ignore content until the end of line" $ + "-- some very simple comment\nidentifier" + `shouldParseTo` + [TkComment, TkSpace, TkIdentifier] + + it "should allow endline escaping" $ + "-- first line\\\nsecond line\\\nand another one" + `shouldParseTo` + [TkComment] + + context "when parsing multi-line comments" $ do + + it "should support nested comments" $ + "{- comment {- nested -} still comment -} {- next comment -}" + `shouldParseTo` + [TkComment, TkSpace, TkComment] + + it "should distinguish compiler pragma" $ + "{- comment -}{-# LANGUAGE GADTs #-}{- comment -}" + `shouldParseTo` + [TkComment, TkPragma, TkComment] + + it "should recognize preprocessor directives" $ do + "\n#define foo bar" `shouldParseTo` [TkSpace, TkCpp] + "x # y" `shouldParseTo` + [TkIdentifier, TkSpace, TkCpp, TkSpace,TkIdentifier] + + +shouldParseTo :: String -> [TokenType] -> Expectation +str `shouldParseTo` tokens = map tkType (parse str) `shouldBe` tokens -- cgit v1.2.3