[sql] Import reference version of SQLite 3.10.2.

third_party/sqlite/sqlite-src-3100200/test/pcache2.test

Index: third_party/sqlite/sqlite-src-3100200/test/pcache2.test
diff --git a/third_party/sqlite/src/test/pcache2.test b/third_party/sqlite/sqlite-src-3100200/test/pcache2.test
similarity index 90%
copy from third_party/sqlite/src/test/pcache2.test
copy to third_party/sqlite/sqlite-src-3100200/test/pcache2.test
index 77e7a2613273030c10ba4a76e0825804444d3f8b..a0d7496c865de19801257b455dd1f5bee20cf681 100644
--- a/third_party/sqlite/src/test/pcache2.test
+++ b/third_party/sqlite/sqlite-src-3100200/test/pcache2.test
@@ -16,6 +16,8 @@
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
+test_set_config_pagecache 0 0
+
 # Set up a pcache memory pool so that we can easily track how many
 # pages are being used for cache.
 #
@@ -24,6 +26,7 @@ do_test pcache2-1.1 {
   sqlite3_reset_auto_extension
   sqlite3_shutdown
   sqlite3_config_pagecache 6000 100
+  sqlite3_config singlethread
   sqlite3_initialize
   autoinstall_test_functions
   sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
@@ -35,13 +38,13 @@ do_test pcache2-1.1 {
 do_test pcache2-1.2 {
   forcedelete test.db test.db-journal
   sqlite3 db test.db
-  db eval {PRAGMA cache_size=10}
+  db eval {PRAGMA cache_size=10; SELECT 1 FROM sqlite_master;}
   lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
 } {2}
 do_test pcache2-1.3 {
   forcedelete test2.db test2.db-journal
   sqlite3 db2 test2.db
-  db2 eval {PRAGMA cache_size=50}
+  db2 eval {PRAGMA cache_size=50; SELECT 1 FROM sqlite_master;}
   lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
 } {4}
 
@@ -73,7 +76,9 @@ catch {db2 close}
 sqlite3_reset_auto_extension
 sqlite3_shutdown
 sqlite3_config_pagecache 0 0
+sqlite3_config serialized
 sqlite3_initialize
 autoinstall_test_functions
 
+test_restore_config_pagecache
 finish_test