Import SQLite 3.7.6.3.

third_party/sqlite/src/test/lookaside.test

 # 2008 August 01
 #
 # The author disclaims copyright to this source code.  In place of
 # a legal notice, here is a blessing:
 #
 #    May you do good and not evil.
 #    May you find forgiveness for yourself and forgive others.
 #    May you share freely, never taking more than you give.
 #
 #***********************************************************************
 #
 # Tests for the lookaside memory allocator.
 #
 # $Id: lookaside.test,v 1.10 2009/04/09 01:23:49 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
 ifcapable !lookaside {
   finish_test
   return
 }
 
+# The tests in this file configure the lookaside allocator after a 
+# connection is opened. This will not work if there is any "presql"
+# configured (SQL run within the [sqlite3] wrapper in tester.tcl).
+if {[info exists ::G(perm:presql)]} {
+  finish_test
+  return
+}
+
 catch {db close}
 sqlite3_shutdown
 sqlite3_config_pagecache 0 0
 sqlite3_config_scratch 0 0
 sqlite3_initialize
 autoinstall_test_functions
 sqlite3 db test.db
 
 # Make sure sqlite3_db_config() and sqlite3_db_status are working.
 #
 do_test lookaside-1.1 {
   catch {sqlite3_config_error db}
 } {0}
+
 do_test lookaside-1.2 {
   sqlite3_db_config_lookaside db 1 18 18
 } {0}
-do_test lookaside-1.3 {
-  sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0
+do_test lookaside-1.3.1 {
+  sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0
 } {0 0 0}
+do_test lookaside-1.3.2 {
+  sqlite3_db_status db DBSTATUS_LOOKASIDE_HIT 0
+} {0 0 0}
+do_test lookaside-1.3.3 {
+  sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_SIZE 0
+} {0 0 0}
+do_test lookaside-1.3.4 {
+  sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_FULL 0
+} {0 0 0}
+
 do_test lookaside-1.4 {
   db eval {CREATE TABLE t1(w,x,y,z);}
-  foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
-  expr {$x==0 && $y<$z && $z==18}
+  foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
+  set p [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_HIT 0] 2]
+  set q [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_SIZE 0] 2]
+  set r [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_FULL 0] 2]
+  expr {$x==0 && $y<$z && $z==18 && $p>0 && $q>0 && $r>0}
 } {0}
 do_test lookaside-1.5 {
-  foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break
+  foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 1] break
   expr {$x==0 && $y<$z && $z==18}
 } {0}
 do_test lookaside-1.6 {
-  foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
+  foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
   expr {$x==0 && $y==$z && $y<18}
 } {1}
 do_test lookaside-1.7 {
   db cache flush
-  foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
+  foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
   expr {$x==0 && $y==0 && $z<18}
 } {1}
 do_test lookaside-1.8 {
   db cache flush
-  foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break
+  foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 1] break
   expr {$x==0 && $y==0 && $z<18}
 } {1}
 do_test lookaside-1.9 {
   db cache flush
-  sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0
+  sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0
 } {0 0 0}
 
 do_test lookaside-2.1 {
   sqlite3_db_config_lookaside db 0 100 1000
 } {0}
 do_test lookaside-2.2 {
   db eval {CREATE TABLE t2(x);}
-  foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
+  foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
   expr {$x==0 && $y<$z && $z>10 && $z<100}
 } {1}
 do_test lookaside-2.3 {
   sqlite3_db_config_lookaside db 0 50 50
 } {5}  ;# SQLITE_BUSY
 do_test lookaside-2.4 {
   db cache flush
   sqlite3_db_config_lookaside db 0 50 50
 } {0}  ;# SQLITE_OK
 do_test lookaside-2.5 {
@@ skipping 14 matching lines @@
 #
 do_test lookaside-4.1 {
   db close
   sqlite3_shutdown
   catch sqlite3_config_error
 } {0}
 sqlite3_initialize
 autoinstall_test_functions
 
 finish_test