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

     1  # 2005 September 19
     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 implements regression tests for SQLite library.  The
    12  # focus of this script is testing the ALTER TABLE statement and
    13  # specifically out-of-memory conditions within that command.
    14  #
    15  # $Id: altermalloc.test,v 1.10 2008/10/30 17:21:13 danielk1977 Exp $
    16  #
    17  
    18  set testdir [file dirname $argv0]
    19  source $testdir/tester.tcl
    20  
    21  # If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
    22  ifcapable !altertable {
    23    finish_test
    24    return
    25  }
    26  
    27  source $testdir/malloc_common.tcl
    28  
    29  do_malloc_test altermalloc-1 -tclprep {
    30    db close
    31  } -tclbody {
    32    if {[catch {sqlite3 db test.db}]} {
    33      error "out of memory"
    34    }
    35    sqlite3_db_config_lookaside db 0 0 0
    36    sqlite3_extended_result_codes db 1
    37  } -sqlbody {
    38    CREATE TABLE t1(a int);
    39    ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL;
    40    ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text';
    41    ALTER TABLE t1 RENAME TO t2;
    42    ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD';
    43  }
    44  
    45  # Test malloc() failure on an ALTER TABLE on a virtual table.
    46  #
    47  ifcapable vtab {
    48    do_malloc_test altermalloc-vtab -tclprep {
    49      sqlite3 db2 test.db 
    50      sqlite3_db_config_lookaside db2 0 0 0
    51      sqlite3_extended_result_codes db2 1
    52      register_echo_module [sqlite3_connection_pointer db2]
    53      db2 eval {
    54        CREATE TABLE t1(a, b VARCHAR, c INTEGER);
    55        CREATE VIRTUAL TABLE t1echo USING echo(t1);
    56      }
    57      db2 close
    58  
    59      register_echo_module [sqlite3_connection_pointer db]
    60    } -tclbody {
    61      set rc [catch {db eval { ALTER TABLE t1echo RENAME TO t1_echo }} msg]
    62      if {$msg eq "vtable constructor failed: t1echo"} {
    63        set msg "out of memory"
    64      }
    65      if {$rc} {
    66        error $msg
    67      }
    68    }
    69  }
    70  
    71  finish_test