3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this script is recovery from transient manditory locks
13 # that sometimes appear on database files due to anti-virus software.
16 if {$tcl_platform(platform)!="windows"} return
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
21 set testprefix win32lock
26 proc xLog {error_code msg} {
30 db eval {PRAGMA mmap_size=0}
32 do_test win32lock-1.1 {
36 INSERT INTO t1 VALUES(1,randomblob(100000));
37 INSERT INTO t1 VALUES(2,randomblob(50000));
38 INSERT INTO t1 VALUES(3,randomblob(25000));
39 INSERT INTO t1 VALUES(4,randomblob(12500));
40 SELECT x, length(y) FROM t1 ORDER BY rowid;
42 } {1 100000 2 50000 3 25000 4 12500}
44 unset -nocomplain delay1 rc msg
45 set old_pending_byte [sqlite3_test_control_pending_byte 0x40000000]
47 set win32_lock_ok [list]
48 set win32_lock_error [list]
51 lock_win32_file test.db 0 $::delay1
53 set rc [catch {db eval {SELECT x, length(y) FROM t1 ORDER BY rowid}} msg]
55 lappend win32_lock_error $::delay1
56 do_test win32lock-1.2-$delay1-error {
60 lappend win32_lock_ok $::delay1
61 do_test win32lock-1.2-$delay1-ok {
63 } {1 100000 2 50000 3 25000 4 12500}
64 if {[info exists ::log] && $::log!=""} {
65 do_test win32lock-1.2-$delay1-log1 {
66 regsub {\d+} $::log # x
68 } {{delayed #ms for lock/sharing conflict}}
71 if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break
73 if {$delay1 > 12500} {
74 puts "Timed out waiting for \"ok\" and \"error\" results."
80 do_test win32lock-2.0 {
81 file_control_win32_av_retry db -1 -1
83 do_test win32lock-2.1 {
84 file_control_win32_av_retry db 1 1
88 # NOTE: It is known that the win32lock-2.2-* tests may fail if the system is
89 # experiencing heavy load (i.e. they are very timing sensitive). This is
90 # primarily due to the AV retry delay being set to 1 millisecond in the
91 # win32lock-2.1 test (above). While it is important to test this corner
92 # case for the AV retry logic, a failure of this test should probably not
93 # be interpreted as a bug in SQLite or these test cases.
95 set win32_lock_ok [list]
96 set win32_lock_error [list]
99 lock_win32_file test.db 0 $::delay1
101 set rc [catch {db eval {SELECT x, length(y) FROM t1 ORDER BY rowid}} msg]
103 lappend win32_lock_error $::delay1
104 do_test win32lock-2.2-$delay1-error {
108 lappend win32_lock_ok $::delay1
109 do_test win32lock-2.2-$delay1-ok {
111 } {1 100000 2 50000 3 25000 4 12500}
112 if {[info exists ::log] && $::log!=""} {
113 do_test win32lock-2.2-$delay1-log1 {
114 regsub {\d+} $::log # x
116 } {{delayed #ms for lock/sharing conflict}}
119 if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break
122 puts "Timed out waiting for \"ok\" and \"error\" results."
128 file_control_win32_av_retry db 10 25
129 sqlite3_test_control_pending_byte $old_pending_byte
136 do_test win32lock-3.0 {
139 INSERT INTO t1 VALUES(1);
140 INSERT INTO t1 VALUES(2);
141 INSERT INTO t1 VALUES(3);
145 do_test win32lock-3.1 {
148 INSERT INTO t1 VALUES(4);
152 do_test win32lock-3.2 {
155 INSERT INTO t1 VALUES(5);
158 } {1 {database is locked}}
160 do_test win32lock-3.3 {
166 do_test win32lock-3.4 {
167 set handle [lindex [file_control_win32_set_handle db 0] end]
170 INSERT INTO t1 VALUES(6);
172 }] [file_control_win32_set_handle db $handle] [sqlite3_extended_errcode db]
173 } {{1 {disk I/O error}} {0 0} SQLITE_IOERR_LOCK}