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Swapped testUnusedVar over to the new occam EDSL, which revealed a flaw in the pass that it was not removing the names from the state

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Neil Brown 2008-11-20 14:21:36 +00:00
parent 5f01f12d43
commit 432d98eaee
1 changed files with 33 additions and 30 deletions
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63
checks/CheckTest.hs
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@ -24,43 +24,46 @@ import qualified AST as A
import Check
import CheckFramework
import Metadata
import OccamEDSL
import TestUtils
testUnusedVar :: Test
testUnusedVar = TestList
[
test' "No vars" (A.Several emptyMeta [] :: A.AST)
,test' "Used var" $ wrapProcSeq $ A.Spec emptyMeta (A.Specification emptyMeta (simpleName
"x") $ A.Declaration emptyMeta A.Int) $ A.Only emptyMeta $ A.Assign emptyMeta
[variable "x"] (A.ExpressionList emptyMeta [intLiteral 0])
,test "Unused var"
(wrapProcSeq $ A.Only emptyMeta (A.Skip emptyMeta))
(wrapProcSeq $ A.Spec emptyMeta (A.Specification emptyMeta (simpleName
"x") $ A.Declaration emptyMeta A.Int) $ A.Only emptyMeta (A.Skip emptyMeta))
,test "Triple Unused var"
(wrapProcSeq $ A.Only emptyMeta (A.Skip emptyMeta))
(wrapProcSeq $
A.Spec emptyMeta
(A.Specification emptyMeta (simpleName "x") $ A.Declaration emptyMeta A.Int) $
A.Spec emptyMeta
(A.Specification emptyMeta (simpleName "y") $ A.Declaration emptyMeta A.Int) $
A.Spec emptyMeta
(A.Specification emptyMeta (simpleName "z") $ A.Declaration emptyMeta A.Int) $
A.Only emptyMeta (A.Skip emptyMeta))
,test "Unused var in loop"
(wrapProcSeq $ A.Only emptyMeta $ A.While emptyMeta (A.True emptyMeta) $ A.Seq
emptyMeta $ A.Several emptyMeta [A.Only emptyMeta $ A.Skip emptyMeta])
(wrapProcSeq $ A.Only emptyMeta $ A.While emptyMeta (A.True emptyMeta) $
A.Seq emptyMeta $
A.Spec emptyMeta
(A.Specification emptyMeta (simpleName "x") $ A.Declaration emptyMeta
A.Int) $
A.Several emptyMeta [A.Only emptyMeta $ A.Skip emptyMeta])
testSame "No variables" $ wrap $ oSEQ []
,testSame "One used variable" $ wrap $
oSEQ [
decl (return A.Int) oX
[oX *:= (return (0::Int))]
]
,testWarn 1 "One unused variable" $ wrap $
oSEQ [
decl (return A.Int) oX []
]
`becomes` oSEQ []
,testWarn 3 "Three unused variables" $ wrap $
oSEQ [
decl (return A.Int) oX [decl (return A.Int) oY [decl (return A.Int) oZ []]]
]
`becomes` oSEQ []
,testWarn 1 "Unused variable in loop" $ wrap $
oWHILE True $
oSEQ
[decl (return A.Int) oX []]
`becomes`
oSEQ []
]
where
test' str src = test str src src
test str exp src = TestCase $ testPass str exp (runChecksPass checkUnusedVar) src (return
())
wrap x = oPROC "foo" [] x oempty
testSame :: String -> Occ A.AST -> Test
testSame name x = testOccamPassWarn ("checkUnusedVar " ++ name) null x
(runChecksPass checkUnusedVar)
testWarn :: Int -> String -> Occ A.AST -> Test
testWarn n name x = testOccamPassWarn ("checkUnusedVar " ++ name) ((== n) . length) x
(runChecksPass checkUnusedVar)
tests :: Test
tests = TestLabel "CheckTest" $ TestList