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Add part of the btree layer of the shared-cache feature. (CVS 2848)

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FossilOrigin-Name: 2afcad990190af97d1ad0010f211a5ca8f0fd745
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danielk1977
2005-12-30 16:28:01 +00:00
parent faa59554c3
commit aef0bf6429
19 changed files with 1014 additions and 278 deletions
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21
test/malloc5.test
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@ -9,7 +9,10 @@
#
#***********************************************************************
#
# $Id: malloc5.test,v 1.2 2005/12/20 09:19:38 danielk1977 Exp $
# This file contains test cases focused on the two memory-management APIs,
# sqlite3_soft_heap_limit() and sqlite3_release_memory().
#
# $Id: malloc5.test,v 1.3 2005/12/30 16:28:02 danielk1977 Exp $
#---------------------------------------------------------------------------
# NOTES ON EXPECTED BEHAVIOUR
@ -19,6 +22,13 @@
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Only run these tests if memory debugging is turned on.
if {[info command sqlite_malloc_stat]==""} {
puts "Skipping malloc tests: not compiled with -DSQLITE_MEMDEBUG..."
finish_test
return
}
do_test malloc5-1.1 {
# Simplest possible test. Call [db release_memory] when there is exactly
# one unused page in a single pager cache. This test case set's the
@ -159,6 +169,11 @@ sqlite_malloc_outstanding -clearmaxbytes
# and tests to see that this limit is not exceeded at any point during
# transaction execution.
#
# Before executing malloc5-4.* we save the value of the current soft heap
# limit in variable ::soft_limit. The original value is restored after
# running the tests.
#
set ::soft_limit [db soft_heap_limit -1]
do_test malloc5-4.1 {
execsql {BEGIN;}
execsql {DELETE FROM abc;}
@ -188,8 +203,8 @@ do_test malloc5-4.3 {
}
} [list 20000 [expr int(20000.0 * 4999.5)] [expr int(20000.0 * 4999.5)]]
# Unset the soft-heap-limit value.
db soft_heap_limit -1
# Restore the soft heap limit.
db soft_heap_limit $::soft_limit
finish_test