-C Add\sadditional\srandomness\sto\scrash\stests.\s(CVS\s4694)
-D 2008-01-08T15:18:52
+C Add\scrash4.test\swith\sadditional\scrash\stesting.\s(CVS\s4695)
+D 2008-01-08T16:03:50
F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
F Makefile.in 30789bf70614bad659351660d76b8e533f3340e9
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
F test/crash.test 1b6ac8410689ff78028887f445062dc897c9ac89
F test/crash2.test 26d7a4c5520201e5de2c696ea51ab946b59dc0e9
F test/crash3.test 0b09687ae1a3ccbcefdfaeb4b963e26e36255d76
+F test/crash4.test 97c5b44f432b7b00d58edea76b8e9823e38ce825
F test/crashtest1.c 09c1c7d728ccf4feb9e481671e29dda5669bbcc2
F test/createtab.test 199cf68f44e5d9e87a0b8afc7130fdeb4def3272
F test/date.test b2bd57ff2ab6185b9322306f7b68fa647d63c857
F test/tableapi.test 92651a95c23cf955e92407928e640536402fa3cc
F test/tclsqlite.test 3fac87cb1059c46b8fa8a60b553f4f1adb0fb6d9
F test/temptable.test 19b851b9e3e64d91e9867619b2a3f5fffee6e125
-F test/tester.tcl cfe051326b216c5a6ade6fa6e4d2ee4fd460a0aa
+F test/tester.tcl 669599b9f84ecdba979ebf202fde11dfa405fe1a
F test/thread001.test 8fbd9559da0bbdc273e00318c7fd66c162020af7
F test/thread002.test 2c4ad2c386f60f6fe268cd91c769ee35b3c1fd0b
F test/thread1.test 776c9e459b75ba905193b351926ac4019b049f35
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P b9bf509e39f5ac38c2149d2a648f68e5df5ae9e3
-R f86b7697fbcfb346b78b785f78b0e5e6
+P 3ccce1f58be46787f8a35f0fa6d738ed126c0f07
+R 08ffd7abd6eb20dcba62b11485234765
U drh
-Z 70a8e75efdd2439fff3e31be8bea7e10
+Z 5dde2337304e00b23d140f7351ff735d
--- /dev/null
+# 2008 January 8
+#
+# 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 contains additional tests to verify that SQLite database
+# file survive a power loss or OS crash.
+#
+# $Id: crash4.test,v 1.1 2008/01/08 16:03:50 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !crashtest {
+ finish_test
+ return
+}
+
+# Generate a checksum based on the contents of the database. If the
+# checksum of two databases is the same, and the integrity-check passes
+# for both, the two databases are identical.
+#
+proc cksum {db} {
+ set ret [list]
+ ifcapable tempdb {
+ set sql {
+ SELECT name FROM sqlite_master WHERE type = 'table' UNION
+ SELECT name FROM sqlite_temp_master WHERE type = 'table' UNION
+ SELECT 'sqlite_master' UNION
+ SELECT 'sqlite_temp_master'
+ }
+ } else {
+ set sql {
+ SELECT name FROM sqlite_master WHERE type = 'table' UNION
+ SELECT 'sqlite_master'
+ }
+ }
+ set tbllist [$db eval $sql]
+ set txt {}
+ foreach tbl $tbllist {
+ append txt [$db eval "SELECT * FROM $tbl"]
+ }
+ return [md5 $txt]
+}
+
+# A sequence of SQL commands:
+#
+set sql_cmd_list {
+ {CREATE TABLE a(id INTEGER, name CHAR(50))}
+ {INSERT INTO a(id,name) VALUES(1,'one')}
+ {INSERT INTO a(id,name) VALUES(2,'two')}
+ {INSERT INTO a(id,name) VALUES(3,'three')}
+ {INSERT INTO a(id,name) VALUES(4,'four')}
+ {INSERT INTO a(id,name) VALUES(5,'five')}
+ {INSERT INTO a(id,name) VALUES(6,'six')}
+ {INSERT INTO a(id,name) VALUES(7,'seven')}
+ {INSERT INTO a(id,name) VALUES(8,'eight')}
+ {INSERT INTO a(id,name) VALUES(9,'nine')}
+ {INSERT INTO a(id,name) VALUES(10,'ten')}
+ {UPDATE A SET name='new text for row 3' WHERE id=3}
+}
+
+# Assume that a database is created by evaluating the SQL statements
+# in $sql_cmd_list. Compute a set of checksums that capture the state
+# of the database after each statement. Also include a checksum for
+# the state of the database prior to any of these statements.
+#
+set crash4_cksum_set {}
+lappend crash4_cksum_set [cksum db]
+foreach cmd $sql_cmd_list {
+ db eval $cmd
+ lappend crash4_cksum_set [cksum db]
+}
+
+# Run the sequence of SQL statements shown above repeatedly.
+# Close and reopen the database right before the UPDATE statement.
+# On each repetition, introduce database corruption typical of
+# what might be seen in a power loss or OS crash.
+#
+# Slowly increase the delay before the crash, repeating the test
+# over and over. Stop testing when the entire sequence of SQL
+# statements runs to completing without hitting the crash.
+#
+for {set cnt 1; set fin 0} {!$fin} {incr cnt} {
+ db close
+ file delete -force test.db test.db-journal
+ do_test crash4-1.$cnt.1 {
+ set seed [expr {int(abs(rand()*10000))}]
+ set delay [expr {int($cnt/50)+1}]
+ set file [expr {($cnt&1)?"test.db":"test.db-journal"}]
+ set c [crashsql -delay $delay -file $file -seed $seed -tclbody {
+ db eval {CREATE TABLE a(id INTEGER, name CHAR(50))}
+ db eval {INSERT INTO a(id,name) VALUES(1,'one')}
+ db eval {INSERT INTO a(id,name) VALUES(2,'two')}
+ db eval {INSERT INTO a(id,name) VALUES(3,'three')}
+ db eval {INSERT INTO a(id,name) VALUES(4,'four')}
+ db eval {INSERT INTO a(id,name) VALUES(5,'five')}
+ db eval {INSERT INTO a(id,name) VALUES(6,'six')}
+ db eval {INSERT INTO a(id,name) VALUES(7,'seven')}
+ db eval {INSERT INTO a(id,name) VALUES(8,'eight')}
+ db eval {INSERT INTO a(id,name) VALUES(9,'nine')}
+ db eval {INSERT INTO a(id,name) VALUES(10,'ten')}
+ db close
+ sqlite3 db test.db
+ db eval {UPDATE A SET name='new text for row 3' WHERE id=3}
+ db close
+ } {}]
+ if {$c==[list 0 {}]} {
+ set ::fin 1
+ set c [list 1 {child process exited abnormally}]
+ }
+ set c
+ } {1 {child process exited abnormally}}
+ sqlite3 db test.db
+ integrity_check crash4-1.$cnt.2
+ do_test crash4-1.$cnt.3 {
+ set x [lsearch $::crash4_cksum_set [cksum db]]
+ expr {$x>=0}
+ } {1}
+}
+
+finish_test