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

     1  # 2008 August 01
     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: mallocH.test,v 1.2 2008/08/01 20:10:09 drh Exp $
    15  
    16  set testdir [file dirname $argv0]
    17  source $testdir/tester.tcl
    18  source $testdir/malloc_common.tcl
    19  
    20  # Malloc failures in journaling of in-memory databases.
    21  #
    22  do_malloc_test mallocH-1 -tclprep {
    23    db close
    24    sqlite3 db :memory:
    25    db eval {
    26      CREATE TABLE t1(x UNIQUE, y);
    27      INSERT INTO t1 VALUES(1,2);
    28    }
    29  } -sqlbody {
    30    INSERT INTO t1 SELECT x+1, y+100 FROM t1;
    31  }
    32  
    33  # Malloc failures while parsing a CASE expression.
    34  #
    35  do_malloc_test mallocH-2 -sqlbody {
    36     SELECT CASE WHEN 1 THEN 1 END;
    37  }
    38  
    39  # Malloc failures while parsing a EXISTS(SELECT ...)
    40  #
    41  do_malloc_test mallocH-3 -sqlbody {
    42     SELECT 3+EXISTS(SELECT * FROM sqlite_master);
    43  }
    44  
    45  # Malloc failures within the replace() function.
    46  #
    47  do_malloc_test mallocH-3 -sqlbody {
    48     SELECT replace('ababa','a','xyzzy');
    49  }
    50  
    51  # Malloc failures during EXPLAIN.
    52  #
    53  ifcapable explain {
    54    do_malloc_test mallocH-4 -sqlprep {
    55       CREATE TABLE abc(a PRIMARY KEY, b, c);
    56    } -sqlbody {
    57       EXPLAIN SELECT * FROM abc AS t2 WHERE rowid=1;
    58       EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE rowid=1;
    59    }
    60  }
    61  
    62  # Malloc failure during integrity_check pragma.
    63  #
    64  do_malloc_test mallocH-5 -sqlprep {
    65     CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
    66     CREATE TABLE t2(x,y);
    67     INSERT INTO t1 VALUES(1,2);
    68     INSERT INTO t2 SELECT * FROM t1;
    69  } -sqlbody {
    70     PRAGMA integrity_check;
    71  }
    72  
    73  finish_test