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Overview
| Comment: | Modify the memsubsys1-3.1.4 test so that it does not fail arbitrarily due to variations in the behavior of system malloc(). |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | d280157da0b5275f3e3c875d2dcfb999 |
| User & Date: | drh 2014-08-19 23:04:49 |
Context
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2014-08-20
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| 00:54 | Minor performance improvement and size reduction for the btree-page space allocator. check-in: 73637d12 user: drh tags: trunk | |
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2014-08-19
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| 23:04 | Modify the memsubsys1-3.1.4 test so that it does not fail arbitrarily due to variations in the behavior of system malloc(). check-in: d280157d user: drh tags: trunk | |
| 20:41 | A better fix for the sqlite3_trace() problem. Ticket [11d5aa455e0d98f3c1e6a] check-in: 44d5bd4c user: drh tags: trunk | |
Changes
Changes to test/memsubsys1.test.
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build_test_db memsubsys1-3.1 {PRAGMA page_size=1024}
#show_memstats
do_test memsubsys1-3.1.3 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
} 0
do_test memsubsys1-3.1.4 {
set overflow [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
} $max_pagecache
do_test memsubsys1-3.1.5 {
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
} 0
db close
sqlite3_shutdown
sqlite3_config_pagecache [expr 2048+$xtra_size] 20
sqlite3_initialize
|
| > > > > > > |
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build_test_db memsubsys1-3.1 {PRAGMA page_size=1024}
#show_memstats
do_test memsubsys1-3.1.3 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
} 0
do_test memsubsys1-3.1.4 {
set overflow [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
# Note: The measured PAGECACHE_OVERFLOW is amount malloc() returns, not what
# was requested. System malloc() implementations might (arbitrarily) return
# slightly different oversize buffers, which can result in slightly different
# PAGECACHE_OVERFLOW sizes between consecutive runs. So we cannot do an
# exact comparison. Simply verify that the amount is within 5%.
expr {$overflow>=$max_pagecache*0.95 && $overflow<=$max_pagecache*1.05}
} 1
do_test memsubsys1-3.1.5 {
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
} 0
db close
sqlite3_shutdown
sqlite3_config_pagecache [expr 2048+$xtra_size] 20
sqlite3_initialize
|