sqlite/test/tkt2920.test
drh 755beb4564 Add more test cases to prove that ticket #2920 does not exist in
CVS HEAD.  The problem was previously fixed by the changes to
ticket #2686.  Ticket #2920 is a duplicate of #2686. (CVS 4772)

FossilOrigin-Name: b3259e872124fd7e17bbc23e582aa4d802044837
2008-02-02 02:48:52 +00:00

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# 2008 Feb 1
#
# 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 is to test that ticket #2920 is fixed.
#
# $Id: tkt2920.test,v 1.1 2008/02/02 02:48:52 drh Exp $
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Create a database file that is full.
#
do_test tkt2920-1.1 {
db eval {
PRAGMA page_size=1024;
PRAGMA max_page_count=40;
PRAGMA auto_vacuum=0;
CREATE TABLE filler (fill);
}
file size test.db
} {2048}
do_test tkt2920-1.2 {
db eval BEGIN
for {set i 0} {$i<34} {incr i} {
db eval {INSERT INTO filler VALUES(randomblob(1024))}
}
db eval COMMIT
} {}
# Try to add a single new page to the full database. We get
# a disk full error. But this does not corrupt the database.
#
do_test tkt2920-1.3 {
db eval BEGIN
catchsql {
INSERT INTO filler VALUES(randomblob(1024))
}
} {1 {database or disk is full}}
integrity_check tkt2920-1.4
# Increase the maximum size of the database file by 1 page,
# but then try to add a two-page record. This also fails.
#
do_test tkt2920-1.5 {
db eval {PRAGMA max_page_count=41}
catchsql {
INSERT INTO filler VALUES(randomblob(2048))
}
} {1 {database or disk is full}}
integrity_check tkt2920-1.6
# Increase the maximum size of the database by one more page.
# This time the insert works.
#
do_test tkt2920-1.7 {
db eval {PRAGMA max_page_count=42}
catchsql {
INSERT INTO filler VALUES(randomblob(2048))
}
} {0 {}}
integrity_check tkt2920-1.8
# The previous errors cancelled the transaction.
#
do_test tkt2920-1.9 {
catchsql {COMMIT}
} {1 {cannot commit - no transaction is active}}
finish_test