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232 lines
10 KiB
Haskell
232 lines
10 KiB
Haskell
{-# OPTIONS_GHC -Wno-deprecations #-}
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module Streamly.Test.Unicode.Parser
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(main)
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where
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import Control.Monad.Identity (Identity(runIdentity))
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import Debug.Trace (trace)
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import Streamly.Internal.Data.Parser (ParseError (..), Parser)
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import Streamly.Test.Common (chooseDouble)
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import Test.Hspec.QuickCheck (prop)
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import Test.QuickCheck
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(forAll, Property, property)
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import Test.QuickCheck.Monadic (monadicIO, assert, run)
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import qualified Data.Scientific as Scientific
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import qualified Streamly.Data.Stream as Stream
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import qualified Streamly.Internal.Data.Stream as Stream (parseBreak)
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import qualified Streamly.Unicode.Parser as Unicode
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import qualified Streamly.Internal.Unicode.Parser as Parser
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import qualified Test.Hspec as H
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-- Scientific notation
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scientificExpFP :: Property
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scientificExpFP =
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forAll (chooseDouble (-99.99e-12, 1234.4567e+234)) $ \ls ->
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case runIdentity $ Stream.parse parser (Stream.fromList (show ls)) of
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Right val -> val `H.shouldBe` read (show ls)
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Left _ -> error "Parsing failed."
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where
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toScientific (c, m) = Scientific.scientific c m
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parser = toScientific <$> Parser.number
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-- Standard decimal notation.
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scientificFixFP :: Property
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scientificFixFP =
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forAll (chooseDouble (-0.00099, 123445.67998)) $ \ls ->
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case runIdentity $ Stream.parse parser (Stream.fromList (show ls)) of
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Right val -> val `H.shouldBe` read (show ls)
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Left _ -> error "Parsing failed."
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where
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toScientific (c, m) = Scientific.scientific c m
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parser = toScientific <$> Parser.number
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doubleExpFP :: Property
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doubleExpFP =
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forAll (chooseDouble (-99.99e-12, 1234.4567e+234)) $ \ls -> do
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let sls = show ls
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case runIdentity $ Stream.parse Parser.double (Stream.fromList sls) of
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Right val -> if val == ls
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then property (val == ls)
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else trace
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("Read = "++ show (read sls :: Double) ++ " Expected = " ++ sls ++ " Got = " ++ show val)
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property (val == ls)
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Left _ -> property False
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-- Standard decimal notation.
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doubleFixFP :: Property
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doubleFixFP =
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forAll (chooseDouble (-0.00099, 123445.67998)) $ \ls ->
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case runIdentity $ Stream.parse Parser.double (Stream.fromList (show ls)) of
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Right val -> if val == ls
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then property (val == ls)
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else trace
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("Expected = " ++ show ls ++ " Got = " ++ show val)
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property (val == ls)
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Left _ -> property False
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doubleParser :: String -> IO (Either ParseError Double)
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doubleParser = Stream.parse Unicode.double . Stream.fromList
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double :: String -> Double -> Property
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double s d = monadicIO $ do
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x <- run $ doubleParser s
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case x of
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Right val -> if val == d
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then assert (val == d)
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else trace ("Expected = " ++ show d ++ " Got = "++ show val) (assert (val == d))
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Left (ParseError _) -> assert False
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numberP :: Monad m => Parser Char m Double
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numberP = uncurry Parser.mkDouble <$> Parser.number
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numberParser :: String -> IO (Either ParseError Double)
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numberParser = Stream.parse numberP . Stream.fromList
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number :: String -> Double -> Property
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number s d = monadicIO $ do
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x <- run $ numberParser s
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case x of
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Right val -> if val == d
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then assert (val == d)
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else trace ("Expected = " ++ show d ++ " Got = "++ show val) (assert (val == d))
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Left (ParseError _) -> assert False
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doubleErr :: (String -> IO (Either ParseError Double)) -> String -> String -> Property
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doubleErr f s msg = monadicIO $ do
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x <- run $ f s
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case x of
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Right _ -> assert False
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Left (ParseError err) -> if err == msg
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then assert (err == msg)
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else trace err (assert (err == msg))
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remainingStreamDouble :: String -> [String]
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remainingStreamDouble x =
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let f = Stream.parseBreak Unicode.double . Stream.fromList
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in concatMap (Stream.toList . snd) (f x)
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remainingStreamNumber :: String -> [String]
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remainingStreamNumber x =
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let f = Stream.parseBreak numberP . Stream.fromList
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in concatMap (Stream.toList . snd) (f x)
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afterParse :: (String -> [String]) -> String -> String -> Property
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afterParse f si so = monadicIO $ do
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let x = f si
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in assert (x == [so])
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testParser :: String -> (String -> Double -> Property) -> H.SpecWith ()
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testParser desc f = do
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-- XXX We can combine the parser tests and remaining stream tests in the
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-- same test.
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H.describe ("Unicode Parser " ++ desc) $ do
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prop "double \"00.00\"" $ f "00.00" 0.0
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prop "double \"00.00e00\"" $ f "00.00e00" 0.0
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prop "double \"4\" 4.0" $ f "4" 4.0
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prop "double \"00.3\" 0.3" $ f "00.3" 0.3
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prop "double \"0.003\" 3.0e-3" $ f "0.003" 3.0e-3
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prop "double \"44.56.67\" 44.56" $ f "44.56.67" 44.56
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prop "double \"0.0.00\" 0.0" $ f "0.0.00" 0.0
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prop "double \"44.56-78\" 44.56" $ f "44.56-78" 44.56
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prop "double \"44-\" 44.0" $ f "44-" 44.0
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prop "double \"44-56\" 44.0" $ f "44-56" 44.0
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prop "double \"44+\" 44.0" $ f "44+" 44.0
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prop "double \"44+56\" 44.0" $ f "44+56" 44.0
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prop "double \"44u\" 44.0" $ f "44u" 44.0
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prop "double \"+123.345\" 123.345" $ f "+123.345" 123.345
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prop "double \"-123.345\" (-123.345)" $ f "-123.345" (-123.345)
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prop "double \"1e\"" $ f "1e" 1.0
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prop "double \"1e+\"" $ f "1e+" 1.0
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prop "double \"1ex\"" $ f "1ex" 1.0
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prop "double \"1e+x\"" $ f "1e+x" 1.0
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prop "double \"1e+0\"" $ f "1e+0" 1.0
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prop "double \"1e-0\"" $ f "1e-0" 1.0
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prop "double \"1.0e-1\"" $ f "1.0e-1" 0.1
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prop "double \"1.0e+1\"" $ f "1.0e+1" 10.0
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prop "double \"1.0e1\"" $ f "1.0e1" 10.0
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prop "double \"1.0e+309\"" $ f "1.0e+309" 1.0e309
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prop "double \"1.0e-309\"" $ f "1.0e-309" 1.0e-309
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prop "double \"1.0e1.\"" $ f "1.0e1." 10.0
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prop "double \"1.0e1+\"" $ f "1.0e1+" 10.0
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prop "double \"1.0e1-\"" $ f "1.0e1-" 10.0
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prop "double \"1.0e1e\"" $ f "1.0e1e" 10.0
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prop "double \"1.0E+1\"" $ f "1.0E+1" 10.0
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prop "double \"9223372036854775806\"" $ f "9223372036854775806" 9.223372036854776e18
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-- maxBound :: Int
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prop "double \"9223372036854775807\"" $ f "9223372036854775807" 9.223372036854776e18
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prop "double \"9223372036854775808\"" $ f "9223372036854775808" 9.223372036854776e18
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testParseErr :: String -> (String -> IO (Either ParseError Double)) -> H.SpecWith ()
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testParseErr desc f = do
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H.describe ("Unicode Parser Error " ++ desc) $ do
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prop "double \"\" Error"
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$ doubleErr f "" "number: expecting sign or decimal digit, got end of input"
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prop "double \"a\" Error"
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$ doubleErr f "a" "number: expecting sign or decimal digit, got 'a'"
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prop "double \".4\" Error"
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$ doubleErr f ".4" "number: expecting sign or decimal digit, got '.'"
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prop "double \".\" Error"
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$ doubleErr f "." "number: expecting sign or decimal digit, got '.'"
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prop "double \"..\" Error"
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$ doubleErr f ".." "number: expecting sign or decimal digit, got '.'"
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prop "double \"-\" Error"
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$ doubleErr f "-" "number: expecting decimal digit, got end of input"
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prop "double \"+\" Error"
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$ doubleErr f "+" "number: expecting decimal digit, got end of input"
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prop "double \"++\" Error"
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$ doubleErr f "++" "number: expecting decimal digit, got '+'"
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testLeftOver :: String -> (String -> [String]) -> H.SpecWith ()
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testLeftOver desc f = do
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H.describe ("Unicode Parser leftover " ++ desc) $ do
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prop "afterParse \"4.\" \".\"" $ afterParse f "4." "."
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prop "afterParse \"4..\" \"..\"" $ afterParse f "4.." ".."
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prop "afterParse \"4-\" \"-\"" $ afterParse f "4-" "-"
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prop "afterParse \"4--\" \"--\"" $ afterParse f "4--" "--"
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prop "afterParse \"4.9abc\" \"abc\"" $ afterParse f "4.9abc" "abc"
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prop "afterParse \"4.9ex\"" $ afterParse f "4.9ex" "ex"
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prop "afterParse \"4.9e+x\"" $ afterParse f "4.9e+x" "e+x"
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prop "afterParse \"4.9\" \"\"" $ afterParse f "4.9" ""
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prop "afterParse \"+4.9\" \"\"" $ afterParse f "+4.9" ""
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prop "afterParse \"-4.9\" \"\"" $ afterParse f "-4.9" ""
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prop "afterParse \"4.9.\" \".\"" $ afterParse f "4.9." "."
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prop "afterParse \"4.9..\" \"..\"" $ afterParse f "4.9.." ".."
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prop "afterParse \"4.9...\" \"...\"" $ afterParse f "4.9..." "..."
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prop "afterParse \"4.9+\" \"+\"" $ afterParse f "4.9+" "+"
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prop "afterParse \"4.9++\" \"++\"" $ afterParse f "4.9++" "++"
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prop "afterParse \"4.9+++\" \"+++\"" $ afterParse f "4.9+++" "+++"
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prop "afterParse \"4.9-\" \"-\"" $ afterParse f "4.9-" "-"
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prop "afterParse \"4.9--\" \"--\"" $ afterParse f "4.9--" "--"
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prop "afterParse \"4.9---\" \"---\"" $ afterParse f "4.9---" "---"
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prop "afterParse \"\" \"\"" $ afterParse f "" ""
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prop "afterParse \".\" \".\"" $ afterParse f "." "."
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prop "afterParse \"..\" \"..\"" $ afterParse f ".." ".."
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prop "afterParse \"+\" \"+\"" $ afterParse f "+" "+"
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prop "afterParse \"++\" \"++\"" $ afterParse f "++" "++"
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moduleName :: String
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moduleName = "Unicode.Parser"
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main :: IO ()
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main = do
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H.hspec
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$ H.describe moduleName $ do
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testParser "double" double
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testParser "number" number
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testParseErr "double" doubleParser
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testParseErr "number" numberParser
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testLeftOver "double" remainingStreamDouble
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testLeftOver "number" remainingStreamNumber
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H.describe "Scientific parser property test" $ do
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prop "Exponent format" scientificExpFP
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prop "Decimal format" scientificFixFP
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H.describe "double parser property test" $ do
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prop "Exponent format" doubleExpFP
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prop "Decimal format" doubleFixFP
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