github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/mallocB.test (about)

     1  # 2007 May 30
     2  #
     3  # The author disclaims copyright to this source code.  In place of
     4  # a legal notice, here is a blessing:
     5  #
     6  #    May you do good and not evil.
     7  #    May you find forgiveness for yourself and forgive others.
     8  #    May you share freely, never taking more than you give.
     9  #
    10  #***********************************************************************
    11  # This file contains additional out-of-memory checks (see malloc.tcl).
    12  # These were all discovered by fuzzy generation of SQL. Apart from
    13  # that they have little in common.
    14  #
    15  #
    16  # $Id: mallocB.test,v 1.9 2008/02/18 22:24:58 drh Exp $
    17  
    18  set testdir [file dirname $argv0]
    19  source $testdir/tester.tcl
    20  source $testdir/malloc_common.tcl
    21  
    22  # Only run these tests if memory debugging is turned on.
    23  #
    24  if {!$MEMDEBUG} {
    25     puts "Skipping mallocB tests: not compiled with -DSQLITE_MEMDEBUG..."
    26     finish_test
    27     return
    28  }
    29  source $testdir/malloc_common.tcl
    30  
    31  do_malloc_test mallocB-1 -sqlbody {SELECT - 456}
    32  do_malloc_test mallocB-2 -sqlbody {SELECT - 456.1}
    33  do_malloc_test mallocB-3 -sqlbody {SELECT random()}
    34  do_malloc_test mallocB-4 -sqlbody {SELECT length(zeroblob(1000))}
    35  ifcapable subquery {
    36    do_malloc_test mallocB-5 -sqlbody {SELECT * FROM (SELECT 1) GROUP BY 1;}
    37  }
    38  
    39  # The following test checks that there are no resource leaks following a
    40  # malloc() failure in sqlite3_set_auxdata().
    41  #
    42  # Note: This problem was not discovered by fuzzy generation of SQL. Not
    43  # that it really matters.
    44  #
    45  do_malloc_test mallocB-6 -sqlbody { SELECT test_auxdata('hello world'); }
    46  
    47  do_malloc_test mallocB-7 -sqlbody {
    48    SELECT strftime(hex(randomblob(50)) || '%Y', 'now')
    49  }
    50  
    51  finish_test