github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/malloc7.test (about)

     1  # 2006 July 26
     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  # added to expose a bug in out-of-memory handling for sqlite3_prepare16().
    13  #
    14  # $Id: malloc7.test,v 1.5 2008/02/18 22:24:58 drh Exp $
    15  
    16  set testdir [file dirname $argv0]
    17  source $testdir/tester.tcl
    18  source $testdir/malloc_common.tcl
    19  
    20  # Only run these tests if memory debugging is turned on.
    21  #
    22  if {!$MEMDEBUG} {
    23     puts "Skipping malloc7 tests: not compiled with -DSQLITE_MEMDEBUG..."
    24     finish_test
    25     return
    26  }
    27  
    28  
    29  do_malloc_test malloc7-1 -sqlprep {
    30    CREATE TABLE t1(a,b,c,d);
    31    CREATE INDEX i1 ON t1(b,c);
    32  } -tclbody {
    33    set sql16 [encoding convertto unicode "SELECT * FROM sqlite_master"]
    34    append sql16 "\00\00"
    35    set nbyte [string length $sql16]
    36    set ::STMT [sqlite3_prepare16 db $sql16 $nbyte DUMMY]
    37    sqlite3_finalize $::STMT
    38  } 
    39  
    40  
    41  # Ensure that no file descriptors were leaked.
    42  do_test malloc-99.X {
    43    catch {db close}
    44    set sqlite_open_file_count
    45  } {0}
    46  
    47  puts open-file-count=$sqlite_open_file_count
    48  finish_test