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Fix a problem in the sorter causing it to return spurious SQLITE_NOMEM errors when configured to use memsys3 or memsys5.

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FossilOrigin-Name: 3a66c4e1bf311d38668dfcdcd77867feff6db7bd
This commit is contained in:
dan
2014-05-03 14:28:14 +00:00
parent 2fc7bc08bd
commit 0d51def29e
10 changed files with 213 additions and 38 deletions
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37
test/sortfault.test
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@ -10,6 +10,9 @@
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# Specifically, it tests the effects of fault injection on the sorter
# module (code in vdbesort.c).
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -20,20 +23,26 @@ do_execsql_test 1.0 {
PRAGMA cache_size = 5;
}
do_faultsim_test 1 -prep {
sqlite3 db test.db
} -body {
execsql {
WITH r(x,y) AS (
SELECT 1, randomblob(1000)
UNION ALL
SELECT x+1, randomblob(1000) FROM r
LIMIT 500
)
SELECT count(x), length(y) FROM r GROUP BY (x%5)
}
} -test {
faultsim_test_result {0 {100 1000 100 1000 100 1000 100 1000 100 1000}}
foreach {tn mmap_limit} {
1 0
2 100000
} {
do_faultsim_test 1.$tn -prep {
sqlite3 db test.db
sqlite3_test_control SQLITE_TESTCTRL_SORTER_MMAP db $::mmap_limit
} -body {
execsql {
WITH r(x,y) AS (
SELECT 1, randomblob(1000)
UNION ALL
SELECT x+1, randomblob(1000) FROM r
LIMIT 500
)
SELECT count(x), length(y) FROM r GROUP BY (x%5)
}
} -test {
faultsim_test_result {0 {100 1000 100 1000 100 1000 100 1000 100 1000}}
}
}
finish_test