1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/mallocC.test	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,107 @@
     1.4 +# 2007 Aug 13
     1.5 +#
     1.6 +# The author disclaims copyright to this source code.  In place of
     1.7 +# a legal notice, here is a blessing:
     1.8 +#
     1.9 +#    May you do good and not evil.
    1.10 +#    May you find forgiveness for yourself and forgive others.
    1.11 +#    May you share freely, never taking more than you give.
    1.12 +#
    1.13 +#***********************************************************************
    1.14 +# 
    1.15 +# This file tests aspects of the malloc failure while parsing
    1.16 +# CREATE TABLE statements in auto_vacuum mode.
    1.17 +#
    1.18 +# $Id: mallocC.test,v 1.9 2008/02/18 22:24:58 drh Exp $
    1.19 +
    1.20 +set testdir [file dirname $argv0]
    1.21 +source $testdir/tester.tcl
    1.22 +source $testdir/malloc_common.tcl
    1.23 +
    1.24 +# Only run these tests if memory debugging is turned on.
    1.25 +#
    1.26 +if {!$MEMDEBUG} {
    1.27 +   puts "Skipping mallocC tests: not compiled with -DSQLITE_MEMDEBUG..."
    1.28 +   finish_test
    1.29 +   return
    1.30 +}
    1.31 +
    1.32 +proc do_mallocC_test {tn args} {
    1.33 +  array set ::mallocopts $args
    1.34 +  #set sum [allcksum db]
    1.35 +
    1.36 +  for {set ::n 1} {true} {incr ::n} {
    1.37 +
    1.38 +    # Run the SQL. Malloc number $::n is set to fail. A malloc() failure
    1.39 +    # may or may not be reported.
    1.40 +    sqlite3_memdebug_fail $::n -repeat 1
    1.41 +    do_test mallocC-$tn.$::n.1 {
    1.42 +      set res [catchsql [string trim $::mallocopts(-sql)]]
    1.43 +      set rc [expr { 
    1.44 +        0==[string compare $res {1 {out of memory}}] ||
    1.45 +        [db errorcode] == 3082 ||
    1.46 +        0==[lindex $res 0]
    1.47 +      }]
    1.48 +      if {$rc!=1} {
    1.49 +        puts "Error: $res"
    1.50 +      }
    1.51 +      set rc
    1.52 +    } {1}
    1.53 +
    1.54 +    # If $::n is greater than the number of malloc() calls required to
    1.55 +    # execute the SQL, then this test is finished. Break out of the loop.
    1.56 +    set nFail [sqlite3_memdebug_fail -1]
    1.57 +    if {$nFail==0} {
    1.58 +      break
    1.59 +    }
    1.60 +
    1.61 +    # Recover from the malloc failure.
    1.62 +    #
    1.63 +    # Update: The new malloc() failure handling means that a transaction may
    1.64 +    # still be active even if a malloc() has failed. But when these tests were
    1.65 +    # written this was not the case. So do a manual ROLLBACK here so that the
    1.66 +    # tests pass.
    1.67 +    do_test mallocC-$tn.$::n.2 {
    1.68 +      catch {
    1.69 +        execsql {
    1.70 +          ROLLBACK;
    1.71 +        }
    1.72 +      }
    1.73 +      expr 0
    1.74 +    } {0}
    1.75 +
    1.76 +    # Checksum the database.
    1.77 +    #do_test mallocC-$tn.$::n.3 {
    1.78 +    #  allcksum db
    1.79 +    #} $sum
    1.80 +
    1.81 +    #integrity_check mallocC-$tn.$::n.4
    1.82 +  if {$::nErr>1} return
    1.83 +  }
    1.84 +  unset ::mallocopts
    1.85 +}
    1.86 +
    1.87 +sqlite3_extended_result_codes db 1
    1.88 +
    1.89 +execsql {
    1.90 +  PRAGMA auto_vacuum=1;
    1.91 +  CREATE TABLE t0(a, b, c);
    1.92 +}
    1.93 +do_mallocC_test 1 -sql {
    1.94 +  BEGIN;
    1.95 +  -- Allocate 32 new root pages. This will exercise the 'extract specific 
    1.96 +  -- page from the freelist' code when in auto-vacuum mode (see the
    1.97 +  -- allocatePage() routine in btree.c).
    1.98 +  CREATE TABLE t1(a UNIQUE, b UNIQUE, c UNIQUE);
    1.99 +  CREATE TABLE t2(a UNIQUE, b UNIQUE, c UNIQUE);
   1.100 +  CREATE TABLE t3(a UNIQUE, b UNIQUE, c UNIQUE);
   1.101 +  CREATE TABLE t4(a UNIQUE, b UNIQUE, c UNIQUE);
   1.102 +  CREATE TABLE t5(a UNIQUE, b UNIQUE, c UNIQUE);
   1.103 +  CREATE TABLE t6(a UNIQUE, b UNIQUE, c UNIQUE);
   1.104 +  CREATE TABLE t7(a UNIQUE, b UNIQUE, c UNIQUE);
   1.105 +  CREATE TABLE t8(a UNIQUE, b UNIQUE, c UNIQUE);
   1.106 +
   1.107 +  ROLLBACK;
   1.108 +}
   1.109 +
   1.110 +finish_test