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Added comments to the tests for checkInitVar, and added a couple more tests

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Neil Brown 2007-11-01 16:24:47 +00:00
parent cf0cc81ae4
commit 6fbca55569
1 changed files with 43 additions and 7 deletions
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50
transformations/RainUsageCheckTest.hs
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@ -143,33 +143,69 @@ buildTestFlowGraph ns es start end v
testInitVar :: Test
testInitVar = TestList
[
-- Single node, x not touched
testInitVarPass 0 [(0,[],[],[])] [] 0 0 "x"
-- Single node, x written to
,testInitVarPass 1 [(0,[],[],[Plain "x"])] [] 0 0 "x"
-- Single node, x read from (FAIL)
,testInitVarFail 2 [(0,[Plain "x"],[],[])] [] 0 0 "x"
-- Single node, x read from and written to (FAIL - x must be written to before the read.
-- This line is akin to x = x + 1, so x must be written to beforehand)
,testInitVarFail 3 [(0,[Plain "x"],[],[Plain "x"])] [] 0 0 "x"
-- Two nodes, x written to then read
,testInitVarPass 10 [(0,[],[],[Plain "x"]), (1,[Plain "x"],[],[])] [(0,1,ESeq)] 0 1 "x"
-- Two nodes, x read then written to (FAIL)
,testInitVarFail 11 [(0,[],[],[Plain "x"]), (1,[Plain "x"],[],[])] [(1,0,ESeq)] 1 0 "x"
-- Two nodes, x maybe-written to then read (FAIL)
,testInitVarFail 12 [(0,[],[Plain "x"],[]), (1,[Plain "x"],[],[])] [(0,1,ESeq)] 0 1 "x"
-- As test 10 (x written to then read) but using the par edges.
,testInitVarPass 13 [(0,[],[],[Plain "x"]), (1,[Plain "x"],[],[])] [(0,1,EStartPar 0)] 0 1 "x"
,testInitVarPass 14 [(0,[],[],[Plain "x"]), (1,[Plain "x"],[],[])] [(0,1,EEndPar 0)] 0 1 "x"
,testInitVarPass 20 [(0,[],[],[]),(1,[],[],[Plain "x"]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])] [(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
,testInitVarFail 21 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])] [(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
,testInitVarFail 22 [(0,[],[],[]),(1,[],[Plain "x"],[]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])] [(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
,testInitVarPass 23 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])] [(0,1,ESeq),(0,2,ESeq),(2,3,ESeq)] 0 3 "x"
,testInitVarPass 24 [(0,[],[],[Plain "x"]),(1,[],[],[]), (2,[],[],[]), (3,[Plain "x"],[],[])] [(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
,testInitVarFail 25 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[]), (3,[Plain "x"],[],[])] [(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- Diamond tests (0 branches to 1 and 2, which both merge to 3):
-- x written to in 0 and 1, then read in 3
,testInitVarPass 20 [(0,[],[],[]),(1,[],[],[Plain "x"]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])]
[(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- x written to only in 2 then read in 3 (FAIL)
,testInitVarFail 21 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])]
[(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- x definitely written to in 2, but not 1 (FAIL)
,testInitVarFail 22 [(0,[],[],[]),(1,[],[Plain "x"],[]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])]
[(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- like test 21, but the link missing from 1 to 3, so test will pass
,testInitVarPass 23 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])]
[(0,1,ESeq),(0,2,ESeq),(2,3,ESeq)] 0 3 "x"
-- variable written to in 0, read in 3
,testInitVarPass 24 [(0,[],[],[Plain "x"]),(1,[],[],[]), (2,[],[],[]), (3,[Plain "x"],[],[])]
[(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- variable never written to, but read in 3
,testInitVarFail 25 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[]), (3,[Plain "x"],[],[])]
[(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- variable written to in 2 and 3, but read in 1 (FAIL):
,testInitVarFail 26 [(0,[],[],[]),(1,[Plain "x"],[],[]), (2,[],[],[Plain "x"]), (3,[],[],[Plain "x"])]
[(0,1,ESeq),(0,2,ESeq),(1,3,ESeq),(2,3,ESeq)] 0 3 "x"
-- This would fail CREW, but that's not what we're testing here:
-- Test parallel diamonds:
-- written to in 1 and 2, read in 3
-- This would fail CREW, but that's not what we're testing here:
,testInitVarPass 30 [(0,[],[],[]),(1,[],[],[Plain "x"]), (2,[],[],[Plain "x"]), (3,[Plain "x"],[],[])]
[(0,1,EStartPar 0),(0,2,EStartPar 0),(1,3,EEndPar 0),(2,3,EEndPar 0)] 0 3 "x"
-- written to in 1, read in 3
,testInitVarPass 31 [(0,[],[],[]),(1,[],[],[Plain "x"]), (2,[],[],[]), (3,[Plain "x"],[],[])]
[(0,1,EStartPar 0),(0,2,EStartPar 0),(1,3,EEndPar 0),(2,3,EEndPar 0)] 0 3 "x"
-- written to in 0, read in 3
,testInitVarPass 32 [(0,[],[],[Plain "x"]),(1,[],[],[]), (2,[],[],[]), (3,[Plain "x"],[],[])]
[(0,1,EStartPar 0),(0,2,EStartPar 0),(1,3,EEndPar 0),(2,3,EEndPar 0)] 0 3 "x"
-- never written to, but read in 3:
,testInitVarFail 33 [(0,[],[],[]),(1,[],[],[]), (2,[],[],[]), (3,[Plain "x"],[],[])]
[(0,1,EStartPar 0),(0,2,EStartPar 0),(1,3,EEndPar 0),(2,3,EEndPar 0)] 0 3 "x"
-- written to in 1, read in 2 (again, would fail CREW) (FAIL):
,testInitVarFail 34 [(0,[],[],[]),(1,[],[],[Plain "x"]), (2,[Plain "x"],[],[]), (3,[],[],[])]
[(0,1,EStartPar 0),(0,2,EStartPar 0),(1,3,EEndPar 0),(2,3,EEndPar 0)] 0 3 "x"
-- written to in 1, read in 2 and 3 (again, would fail CREW) (FAIL):
,testInitVarFail 35 [(0,[],[],[]),(1,[],[],[Plain "x"]), (2,[Plain "x"],[],[]), (3,[Plain "x"],[],[])]
[(0,1,EStartPar 0),(0,2,EStartPar 0),(1,3,EEndPar 0),(2,3,EEndPar 0)] 0 3 "x"
-- TODO add tests with loops (and work out how to represent par loops)