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Check the value of the schema cookie before reading the sqlite_master table. (CVS 1585)

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FossilOrigin-Name: 80c299f8839d920c61854f575498340b28db98d7
This commit is contained in:
danielk1977
2004-06-14 08:26:35 +00:00
parent 19bea40160
commit f9d19a6b3f
7 changed files with 103 additions and 33 deletions
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test/thread1.test
+13 -7
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@@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this script is multithreading behavior
#
# $Id: thread1.test,v 1.5 2004/06/10 05:59:25 danielk1977 Exp $
# $Id: thread1.test,v 1.6 2004/06/14 08:26:37 danielk1977 Exp $
set testdir [file dirname $argv0]
@@ -96,14 +96,20 @@ do_test thread1-1.12 {
} {t1 t2}
# Under this scenario:
#
# read-lock A
# read-lock B
# unlock A
# write-lock C
# The following tests - thread1-2.* - test the following scenario:
#
# Make sure the write-lock fails with SQLITE_BUSY
# 1: Read-lock thread A
# 2: Read-lock thread B
# 3: Attempt to write in thread C -> SQLITE_BUSY
# 4: Check db write failed from main thread.
# 5: Unlock from thread A.
# 6: Attempt to write in thread C -> SQLITE_BUSY
# 7: Check db write failed from main thread.
# 8: Unlock from thread B.
# 9: Attempt to write in thread C -> SQLITE_DONE
# 10: Finalize the write from thread C
# 11: Check db write succeeded from main thread.
#
do_test thread1-2.1 {
thread_halt *