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test that we can handle loading failures

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This commit is contained in:
krangelov
2021-08-12 14:23:20 +02:00
parent a8403d48fa
commit edba4fda32
1 changed files with 11 additions and 1 deletions
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12
src/runtime/haskell/tests/basic.hs
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@@ -1,10 +1,14 @@
import Control.Exception
import Test.HUnit
import PGF2
main = do
x <- testLoadFailure "non-existing.pgf"
x <- testLoadFailure "tests/basic.gf"
gr <- readPGF "tests/basic.pgf"
runTestTTAndExit $
TestList [TestCase (assertEqual "abstract names" "basic" (abstractName gr))
TestList [TestCase (assertBool "loading failure handled" x)
,TestCase (assertEqual "abstract names" "basic" (abstractName gr))
,TestCase (assertEqual "abstract categories" ["Float","Int","N","P","S","String"] (categories gr))
,TestCase (assertEqual "abstract functions" ["c","ind","s","z"] (functions gr))
,TestCase (assertEqual "abstract functions by cat 1" ["s","z"] (functionsByCat gr "N"))
@@ -23,5 +27,11 @@ main = do
,TestCase (assertEqual "function is constructor 4" False (functionIsConstructor gr "ind"))
]
testLoadFailure fpath = do
res <- try (readPGF fpath)
case res :: Either SomeException PGF of
Left _ -> return True
Right _ -> return False
eqJust (Just x) (Just y) = x == y
eqJust _ _ = False