Return to mallocI.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

sqlite3

    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: mallocI.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   15: 
   16: set testdir [file dirname $argv0]
   17: source $testdir/tester.tcl
   18: source $testdir/malloc_common.tcl
   19: 
   20: # Malloc failures in a view.
   21: #
   22: do_malloc_test mallocI-1 -sqlprep {
   23:   CREATE TABLE t1(a,b,c,d);
   24:   CREATE VIEW v1 AS SELECT a*b, c*d FROM t1 ORDER BY b-d;
   25: } -sqlbody {
   26:   SELECT * FROM v1
   27: }
   28: 
   29: # Malloc failure while trying to service a pragma on a TEMP database.
   30: #
   31: do_malloc_test mallocI-2 -sqlbody {
   32:   PRAGMA temp.page_size
   33: }
   34: 
   35: # Malloc failure while creating a table from a SELECT statement.
   36: #
   37: do_malloc_test mallocI-3 -sqlprep {
   38:   CREATE TABLE t1(a,b,c);
   39: } -sqlbody {
   40:   CREATE TABLE t2 AS SELECT b,c FROM t1;
   41: }
   42: 
   43: # This tests that a malloc failure that occurs while passing the schema
   44: # does not result in a SHARED lock being left on the database file.
   45: #
   46: do_malloc_test mallocI-4 -tclprep {
   47:   sqlite3 db2 test.db
   48:   db2 eval {
   49:     CREATE TABLE t1(a, b, c);
   50:     CREATE TABLE t2(a, b, c);
   51:   }
   52: } -sqlbody {
   53:   SELECT * FROM t1
   54: } -cleanup {
   55:   do_test mallocI-4.$::n.2 {
   56:     # If this INSERT is possible then [db] does not hold a shared lock
   57:     # on the database file.
   58:     catchsql { INSERT INTO t1 VALUES(1, 2, 3) } db2
   59:   } {0 {}}
   60:   catch {db2 close}
   61: }
   62: catch { db2 close }
   63: 
   64: finish_test