Get io.test to work even if auto_vacuum is on by default and we are

running with a reduced maximum page size. (CVS 4463)

FossilOrigin-Name: 0d05f3fbaad44a0d3723cd543b865326acddf883

test/io.test

@@ -13,7 +13,7 @@
 # IO traffic generated by SQLite (making sure SQLite is not writing out
 # more database pages than it has to, stuff like that).
 #
-# $Id: io.test,v 1.10 2007/09/12 17:01:45 danielk1977 Exp $
+# $Id: io.test,v 1.11 2007/10/03 21:18:20 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -57,6 +57,7 @@ proc nSync {} {
 
 do_test io-1.1 {
   execsql {
+    PRAGMA auto_vacuum = OFF;
     PRAGMA page_size = 1024;
     CREATE TABLE abc(a,b);
   }
@@ -295,6 +296,7 @@ do_test io-2.9.2 {
   file delete -force test.db test.db-journal
   sqlite3 db test.db
   execsql {
+    PRAGMA auto_vacuum = OFF;
     PRAGMA page_size = 2048;
     CREATE TABLE abc(a, b);
   }
@@ -366,6 +368,9 @@ ifcapable pager_pragmas {
     db close
     file delete -force test.db test.db-journal
     sqlite3 db test.db
+    db eval {
+      PRAGMA auto_vacuum=OFF;
+    }
     file size test.db
   } {0}
   do_test io-3.2 {
@@ -521,10 +526,14 @@ foreach {char                 sectorsize pgsize} {
          {atomic64K}            512      1024
 } {
   incr tn
+  if {$pgsize>$::SQLITE_MAX_PAGE_SIZE} continue
   db close
   file delete -force test.db test.db-journal
   sqlite3_simulate_device -char $char -sectorsize $sectorsize
   sqlite3 db test.db
+  db eval {
+    PRAGMA auto_vacuum=OFF;
+  }
   ifcapable !atomicwrite {
     if {[regexp {^atomic} $char]} continue
   }