Import SQLite 3.8.7.4.

third_party/sqlite/src/test/incrvacuum2.test

 # 2007 May 04
 #
 # 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.
 #
 #***********************************************************************
@@ skipping 52 matching lines @@
   execsql {
     PRAGMA incremental_vacuum(1000);
   }
   file size test.db
 } {3072}
 
 # Make sure incremental vacuum works on attached databases.
 #
 ifcapable attach {
   do_test incrvacuum2-2.1 {
-    file delete -force test2.db test2.db-journal
+    forcedelete test2.db test2.db-journal
     execsql {
       ATTACH DATABASE 'test2.db' AS aux;
       PRAGMA aux.auto_vacuum=incremental;
       CREATE TABLE aux.t2(x);
       INSERT INTO t2 VALUES(zeroblob(30000));
       INSERT INTO t1 SELECT * FROM t2;
       DELETE FROM t2;
       DELETE FROM t1;
     }
     list [file size test.db] [file size test2.db]
@@ skipping 100 matching lines @@
     DELETE FROM t1;
   }
 
   do_test 4.2 {
     execsql { 
       PRAGMA journal_mode = WAL;
       PRAGMA incremental_vacuum(1);
       PRAGMA wal_checkpoint;
     }
     file size test.db-wal
-  } {1640}
+  } [expr {32+2*(512+24)}]
 
   do_test 4.3 {
     db close
     sqlite3 db test.db
     set maxsz 0
     while {[file size test.db] > [expr 512*3]} {
       execsql { PRAGMA journal_mode = WAL }
       execsql { PRAGMA wal_checkpoint }
       execsql { PRAGMA incremental_vacuum(1) }
       set newsz [file size test.db-wal]
       if {$newsz>$maxsz} {set maxsz $newsz}
     }
     set maxsz 
-  } {2176}
+  } [expr {32+3*(512+24)}]
 }
 
 finish_test