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Add test cases from OSSFuzz to prevent a regression in co-routine

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processing.

FossilOrigin-Name: 689743d8e3fa81e65dcb067bbf61bab09210b3b39586c865c00d9f1d6692daf2
This commit is contained in:
drh 2017-10-28 12:20:09 +00:00
parent 0503f2acfa
commit 6d6e76f75f
3 changed files with 19 additions and 8 deletions
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manifest
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C Fix\sa\sPager\sref-count\sleak\sin\sthe\ssqlite_dbpage\svirtual\stable.
D 2017-10-27T18:24:11.866
C Add\stest\scases\sfrom\sOSSFuzz\sto\sprevent\sa\sregression\sin\sco-routine\nprocessing.
D 2017-10-28T12:20:09.635
F Makefile.in e016061b23e60ac9ec27c65cb577292b6bde0307ca55abd874ab3487b3b1beb2
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 37740aba9c4bb359c627eadccf1cfd7be4f5f847078723777ea7763969e533b1
@ -1557,7 +1557,7 @@ F test/win32heap.test 10fd891266bd00af68671e702317726375e5407561d859be1aa04696f2
F test/win32lock.test fbf107c91d8f5512be5a5b87c4c42ab9fdd54972
F test/win32longpath.test 169c75a3b2e43481f4a62122510210c67b08f26d
F test/win32nolock.test ac4f08811a562e45a5755e661f45ca85892bdbbc
F test/with1.test 732e3ef398dcecb609839cd5ef0cb63beb2a9eff31420f3b745fc55b9e85b61e
F test/with1.test ca08e291249a810a2ec9b72ceef5575e07d5925b360fcf6652ae6fe06ac4dced
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F test/with3.test e71604a0e53cba82bc04c703987cb1d6751ec0b6
F test/withM.test 693b61765f2b387b5e3e24a4536e2e82de15ff64
@ -1666,7 +1666,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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test/with1.test
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@ -1003,6 +1003,17 @@ do_execsql_test 19.1 {
SELECT * FROM t1;
} {0 0 0 {SCAN SUBQUERY 1} 0 1 1 {SCAN SUBQUERY 1}}
# 2017-10-28.
# See check-in https://sqlite.org/src/info/0926df095faf72c2
# Tried to optimize co-routine processing by changing a Copy opcode
# into SCopy. But OSSFuzz found two (similar) cases where that optimization
# does not work.
#
do_execsql_test 20.1 {
WITH c(i)AS(VALUES(9)UNION SELECT~i FROM c)SELECT max(5)>i fROM c;
} {0}
do_execsql_test 20.2 {
WITH c(i)AS(VALUES(5)UNIoN SELECT 0)SELECT min(1)-i fROM c;
} {1}
finish_test