rt-thread/components/external/SQLite-3.8.1/test/shortread1.test

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# 2007 Sep 13
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file attempts to duplicate an error scenario seen on a
# customer system using version 3.2.2. The problem appears to
# have been fixed (perhaps by accident) with check-in [3503].
# These tests will prevent an accidental recurrance.
#
# $Id: shortread1.test,v 1.1 2007/09/14 01:48:12 drh Exp $
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test shortread1-1.1 {
execsql {
CREATE TABLE t1(a TEXT);
BEGIN;
INSERT INTO t1 VALUES(hex(randomblob(5000)));
INSERT INTO t1 VALUES(hex(randomblob(100)));
PRAGMA freelist_count;
}
} {0}
do_test shortread1-1.2 {
execsql {
DELETE FROM t1 WHERE rowid=1;
PRAGMA freelist_count;
}
} {11}
do_test shortread1-1.3 {
sqlite3_release_memory [expr {1024*9}]
execsql {
INSERT INTO t1 VALUES(hex(randomblob(5000)));
PRAGMA freelist_count;
}
} {0}
do_test shortread1-1.4 {
execsql {
COMMIT;
SELECT count(*) FROM t1;
}
} {2}
finish_test