Import SQLite 3.10.2.

third_party/sqlite/src/test/memsubsys1.test

Index: third_party/sqlite/src/test/memsubsys1.test
diff --git a/third_party/sqlite/src/test/memsubsys1.test b/third_party/sqlite/src/test/memsubsys1.test
index 8cc7c2afc1e7cabae979d575b98b262b9e235711..8265ce63174d1ebd8cd23368d9e671902f15cf74 100644
--- a/third_party/sqlite/src/test/memsubsys1.test
+++ b/third_party/sqlite/src/test/memsubsys1.test
@@ -25,6 +25,8 @@ if {[permutation] == "memsubsys1"} {
   return
 }
 
+test_set_config_pagecache 0 0
+
 # This procedure constructs a new database in test.db.  It fills
 # this database with many small records (enough to force multiple
 # rebalance operations in the btree-layer and to require a large
@@ -75,6 +77,7 @@ set xtra_size 290
 db close
 sqlite3_shutdown
 sqlite3_config_lookaside 0 0
+sqlite3_config_pagecache 0 0
 sqlite3_initialize
 reset_highwater_marks
 build_test_db memsubsys1-1 {PRAGMA page_size=1024}
@@ -115,10 +118,10 @@ do_test memsubsys1-2.5 {
 db close
 sqlite3_shutdown
 sqlite3_config_pagecache [expr 512+$xtra_size] 20
+sqlite3_config singlethread
 sqlite3_initialize
 reset_highwater_marks
 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
@@ -176,20 +179,20 @@ do_test memsubsys1-4.6 {
   set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
 } 1
 
-# Test 5:  Activate both PAGECACHE and SCRATCH.  But make the page size
+# Test 5:  Activate both PAGECACHE and SCRATCH.  But make the page size is
 # such that the SCRATCH allocations are too small.
 #
 db close
 sqlite3_shutdown
 sqlite3_config_pagecache [expr 4096+$xtra_size] 24
-sqlite3_config_scratch 6000 2
+sqlite3_config_scratch 4000 2
 sqlite3_initialize
 reset_highwater_marks
 build_test_db memsubsys1-5 {PRAGMA page_size=4096}
 #show_memstats
 do_test memsubsys1-5.3 {
   set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 24
+} {/^2[34]$/}
 do_test memsubsys1-5.4 {
   set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
   expr {$maxreq>4096}
@@ -215,7 +218,7 @@ build_test_db memsubsys1-6 {PRAGMA page_size=4096}
 #show_memstats
 do_test memsubsys1-6.3 {
   set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 24
+} {/^2[34]$/}
 #do_test memsubsys1-6.4 {
 #  set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
 #  expr {$maxreq>4096 && $maxreq<=(4096+$xtra_size)}
@@ -309,9 +312,11 @@ do_test memsubsys1-8.4 {
 db close
 sqlite3_shutdown
 sqlite3_config_memstatus 1
-sqlite3_config_pagecache 0 0
 sqlite3_config_scratch 0 0
 sqlite3_config_lookaside 100 500
+sqlite3_config serialized
 sqlite3_initialize
 autoinstall_test_functions
+
+test_restore_config_pagecache
 finish_test