92 lines
2.6 KiB
Haskell
92 lines
2.6 KiB
Haskell
{-
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Tock: a compiler for parallel languages
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Copyright (C) 2007 University of Kent
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 2 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>.
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-}
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module CommonTest (tests) where
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import Test.HUnit hiding (State)
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import qualified AST as A
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import Types
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-- | Tests the isSafeConversion function:
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testIsSafeConversion :: Test
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testIsSafeConversion = TestList $ map runTestRow resultsWithIndexes
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where
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resultsWithIndexes :: [(Int,[(Int,Bool)])]
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resultsWithIndexes = zip [0..] $ map (zip [0..]) results
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runTestRow :: (Int,[(Int,Bool)]) -> Test
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runTestRow (a,b) = TestList $ map (runTest a) b
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where
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runTest :: Int -> (Int,Bool) -> Test
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runTest destIndex (srcIndex,result) = TestCase $ assertEqual
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("Testing from type: " ++ (show $ index srcIndex) ++ " to: " ++ (show $ index destIndex))
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result $ isSafeConversion (index srcIndex) (index destIndex)
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--Integer types are:
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--A.Bool
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--A.Byte
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--A.UInt16
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--A.UInt32
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--A.UInt64
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--A.Int8
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--A.Int
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--A.Int16
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--A.Int32
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--A.Int64
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--We will assume (like the rest of Tock) that Int is 32-bits for testing. We can actually perform an exhaustive test without too much trouble:
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index :: Int -> A.Type
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index 0 = A.Bool
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index 1 = A.Byte
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index 2 = A.UInt16
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index 3 = A.UInt32
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index 4 = A.UInt64
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index 5 = A.Int8
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index 6 = A.Int16
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index 7 = A.Int
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index 8 = A.Int32
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index 9 = A.Int64
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t = True
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f = False
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results :: [[Bool]]
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--Each row is a conversion to that type. For example, the first row is conversions *to* Bool:
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results =
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[ [t, f,f,f,f, f,f,f,f,f] --to Bool
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,[t, t,f,f,f, f,f,f,f,f] --to Byte
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,[t, t,t,f,f, f,f,f,f,f] --to UInt16
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,[t, t,t,t,f, f,f,f,f,f] --to UInt32
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,[t, t,t,t,t, f,f,f,f,f] --to UInt64
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,[t, f,f,f,f, t,f,f,f,f] --to Int8
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,[t, t,f,f,f, t,t,f,f,f] --to Int16
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,[t, t,t,f,f, t,t,t,t,f] --to Int
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,[t, t,t,f,f, t,t,t,t,f] --to Int32
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,[t, t,t,t,f, t,t,t,t,t] --to Int64
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]
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--Returns the list of tests:
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tests :: Test
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tests = TestList
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[
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testIsSafeConversion
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]
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