gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/mallocG.test (about)

     1  # 2007 Aug 29
     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  #
    12  # This test script checks malloc failures in various obscure operations.
    13  # 
    14  # $Id: mallocG.test,v 1.5 2008/08/01 18:47:02 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 mallocG tests: not compiled with -DSQLITE_MEMDEBUG..."
    24     finish_test
    25     return
    26  }
    27  
    28  # Malloc failures while opening a database connection.
    29  #
    30  do_malloc_test mallocG-1 -tclbody {
    31    db close
    32    sqlite3 db test.db
    33  }
    34  
    35  do_malloc_test mallocG-2 -sqlprep {
    36    CREATE TABLE t1(x, y);
    37    CREATE TABLE t2(x INTEGER PRIMARY KEY);
    38  } -sqlbody {
    39    SELECT y FROM t1 WHERE x IN t2;
    40  }
    41  
    42  do_malloc_test mallocG-3 -sqlprep {
    43    CREATE TABLE t1(x UNIQUE);
    44    INSERT INTO t1 VALUES ('hello');
    45    INSERT INTO t1 VALUES ('out there');
    46  } -sqlbody {
    47    SELECT * FROM t1
    48     WHERE x BETWEEN 'a' AND 'z'
    49       AND x BETWEEN 'c' AND 'w'
    50       AND x BETWEEN 'e' AND 'u'
    51       AND x BETWEEN 'g' AND 'r'
    52       AND x BETWEEN 'i' AND 'q'
    53       AND x BETWEEN 'i' AND 'm'
    54  }
    55  
    56  ifcapable !utf16 {
    57    finish_test
    58    return
    59  }
    60  
    61  proc utf16 {utf8} {
    62    set utf16 [encoding convertto unicode $utf8]
    63    append utf16 "\x00\x00"
    64    return $utf16
    65  }
    66  
    67  do_malloc_test mallocG-4 -tclbody {
    68    set rc [sqlite3_complete16 [utf16 "SELECT * FROM t1;"]]
    69    if {$rc==1} {set rc 0} {error "out of memory"}
    70    set rc
    71  }
    72  
    73  finish_test