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1 # 2011 July 11 | |
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 # 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. | |
14 # | |
15 | |
16 if {$tcl_platform(platform)!="windows"} return | |
17 | |
18 set testdir [file dirname $argv0] | |
19 source $testdir/tester.tcl | |
20 | |
21 set testprefix win32lock | |
22 | |
23 db close | |
24 sqlite3_shutdown | |
25 test_sqlite3_log xLog | |
26 proc xLog {error_code msg} { | |
27 lappend ::log $msg | |
28 } | |
29 sqlite3 db test.db | |
30 db eval {PRAGMA mmap_size=0} | |
31 | |
32 do_test win32lock-1.1 { | |
33 db eval { | |
34 PRAGMA cache_size=10; | |
35 CREATE TABLE t1(x,y); | |
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; | |
41 } | |
42 } {1 100000 2 50000 3 25000 4 12500} | |
43 | |
44 unset -nocomplain delay1 rc msg | |
45 set old_pending_byte [sqlite3_test_control_pending_byte 0x40000000] | |
46 | |
47 set win32_lock_ok [list] | |
48 set win32_lock_error [list] | |
49 set delay1 25 | |
50 while {1} { | |
51 lock_win32_file test.db 0 $::delay1 | |
52 set ::log {} | |
53 set rc [catch {db eval {SELECT x, length(y) FROM t1 ORDER BY rowid}} msg] | |
54 if {$rc} { | |
55 lappend win32_lock_error $::delay1 | |
56 do_test win32lock-1.2-$delay1-error { | |
57 set ::msg | |
58 } {disk I/O error} | |
59 } else { | |
60 lappend win32_lock_ok $::delay1 | |
61 do_test win32lock-1.2-$delay1-ok { | |
62 set ::msg | |
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 | |
67 regsub { at line \d+} $x "" x | |
68 set x | |
69 } {{delayed #ms for lock/sharing conflict}} | |
70 } | |
71 } | |
72 if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break | |
73 incr delay1 25 | |
74 if {$delay1 > 12500} { | |
75 puts "Timed out waiting for \"ok\" and \"error\" results." | |
76 break | |
77 } | |
78 sqlite3_sleep 10 | |
79 } | |
80 | |
81 do_test win32lock-2.0 { | |
82 file_control_win32_av_retry db -1 -1 | |
83 } {0 10 25} | |
84 do_test win32lock-2.1 { | |
85 file_control_win32_av_retry db 1 1 | |
86 } {0 1 1} | |
87 | |
88 # | |
89 # NOTE: It is known that the win32lock-2.2-* tests may fail if the system is | |
90 # experiencing heavy load (i.e. they are very timing sensitive). This is | |
91 # primarily due to the AV retry delay being set to 1 millisecond in the | |
92 # win32lock-2.1 test (above). While it is important to test this corner | |
93 # case for the AV retry logic, a failure of this test should probably not | |
94 # be interpreted as a bug in SQLite or these test cases. | |
95 # | |
96 set win32_lock_ok [list] | |
97 set win32_lock_error [list] | |
98 set delay1 1 | |
99 while {1} { | |
100 lock_win32_file test.db 0 $::delay1 | |
101 set ::log {} | |
102 set rc [catch {db eval {SELECT x, length(y) FROM t1 ORDER BY rowid}} msg] | |
103 if {$rc} { | |
104 lappend win32_lock_error $::delay1 | |
105 do_test win32lock-2.2-$delay1-error { | |
106 set ::msg | |
107 } {disk I/O error} | |
108 } else { | |
109 lappend win32_lock_ok $::delay1 | |
110 do_test win32lock-2.2-$delay1-ok { | |
111 set ::msg | |
112 } {1 100000 2 50000 3 25000 4 12500} | |
113 if {[info exists ::log] && $::log!=""} { | |
114 do_test win32lock-2.2-$delay1-log1 { | |
115 regsub {\d+} $::log # x | |
116 regsub { at line \d+} $x "" x | |
117 set x | |
118 } {{delayed #ms for lock/sharing conflict}} | |
119 } | |
120 } | |
121 if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break | |
122 incr delay1 1 | |
123 if {$delay1 > 500} { | |
124 puts "Timed out waiting for \"ok\" and \"error\" results." | |
125 break | |
126 } | |
127 sqlite3_sleep 10 | |
128 } | |
129 | |
130 file_control_win32_av_retry db 10 25 | |
131 sqlite3_test_control_pending_byte $old_pending_byte | |
132 db close | |
133 forcedelete test.db | |
134 | |
135 sqlite3 db test.db | |
136 sqlite3 db2 test.db | |
137 | |
138 do_test win32lock-3.0 { | |
139 db eval { | |
140 CREATE TABLE t1(x); | |
141 INSERT INTO t1 VALUES(1); | |
142 INSERT INTO t1 VALUES(2); | |
143 INSERT INTO t1 VALUES(3); | |
144 } | |
145 } {} | |
146 | |
147 do_test win32lock-3.1 { | |
148 db eval { | |
149 BEGIN EXCLUSIVE; | |
150 INSERT INTO t1 VALUES(4); | |
151 } | |
152 } {} | |
153 | |
154 do_test win32lock-3.2 { | |
155 catchsql { | |
156 BEGIN EXCLUSIVE; | |
157 INSERT INTO t1 VALUES(5); | |
158 COMMIT; | |
159 } db2 | |
160 } {1 {database is locked}} | |
161 | |
162 do_test win32lock-3.3 { | |
163 db eval { | |
164 COMMIT; | |
165 } | |
166 } {} | |
167 | |
168 do_test win32lock-3.4 { | |
169 set handle [lindex [file_control_win32_set_handle db 0] end] | |
170 list [catchsql { | |
171 BEGIN EXCLUSIVE; | |
172 INSERT INTO t1 VALUES(6); | |
173 COMMIT; | |
174 }] [file_control_win32_set_handle db $handle] [sqlite3_extended_errcode db] | |
175 } {{1 {disk I/O error}} {0 0} SQLITE_IOERR_LOCK} | |
176 | |
177 db2 close | |
178 db close | |
179 sqlite3_shutdown | |
180 test_sqlite3_log | |
181 sqlite3_initialize | |
182 finish_test | |
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