# 2011 July 11
#
# 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 implements regression tests for SQLite library. The
# focus of this script is recovery from transient manditory locks
# that sometimes appear on database files due to anti-virus software.
#
if {$tcl_platform(platform)!="windows"} return
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix win32lock
do_test win32lock-1.1 {
db eval {
PRAGMA cache_size=10;
CREATE TABLE t1(x,y);
INSERT INTO t1 VALUES(1,randomblob(100000));
INSERT INTO t1 VALUES(2,randomblob(50000));
INSERT INTO t1 VALUES(3,randomblob(25000));
INSERT INTO t1 VALUES(4,randomblob(12500));
SELECT x, length(y) FROM t1 ORDER BY rowid;
}
} {1 100000 2 50000 3 25000 4 12500}
unset -nocomplain delay1 rc msg
set delay1 50
set rc 0
set old_pending_byte [sqlite3_test_control_pending_byte 0x40000000]
while {1} {
sqlite3_sleep 10
lock_win32_file test.db 0 $::delay1
set rc [catch {db eval {SELECT x, length(y) FROM t1 ORDER BY rowid}} msg]
if {$rc} {
do_test win32lock-1.2-$delay1-fin {
set ::msg
} {disk I/O error}
break
} else {
do_test win32lock-1.2-$delay1 {
set ::msg
} {1 100000 2 50000 3 25000 4 12500}
incr delay1 50
}
}
sqlite3_test_control_pending_byte $old_pending_byte
finish_test