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| 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 1.3 2009/08/10 04:26:39 danielk1977 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 |
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