[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/tkt2854.test

-# 2007 December 20
-#
-# 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.
-#
-#***********************************************************************
-#
-# $Id: tkt2854.test,v 1.4 2009/03/16 13:19:36 danielk1977 Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-db close
-
-ifcapable !shared_cache {
-  finish_test
-  return
-}
-
-set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
-
-# Open 3 database connections. Connection "db" and "db2" share a cache.
-# Connection "db3" has its own cache.
-#
-do_test tkt2854-1.1 {
-  sqlite3 db test.db
-  sqlite3 db2 test.db
-
-  # This is taken from shared.test.  The Windows VFS expands 
-  # ./test.db (and test.db) to be the same thing so the path
-  # matches and they share a cache.  By changing the case 
-  # for Windows platform, we get around this and get a separate
-  # connection.
-  if {$::tcl_platform(platform)=="unix"} {
-    sqlite3 db3 ./test.db
-  } else {
-    sqlite3 db3 TEST.DB
-  }
-
-  db eval {
-    CREATE TABLE abc(a, b, c);
-  }
-} {}
-
-# Check that an exclusive lock cannot be obtained if some other 
-# shared-cache connection has a read-lock on a table.
-#
-do_test tkt2854-1.2 {
-  execsql { 
-    BEGIN;
-    SELECT * FROM abc;
-  } db2
-} {}
-do_test tkt2854-1.3 {
-  catchsql { BEGIN EXCLUSIVE } db
-} {1 {database table is locked}}
-do_test tkt2854-1.4 {
-  execsql { SELECT * FROM abc } db3
-} {}
-do_test tkt2854-1.5 {
-  catchsql { INSERT INTO abc VALUES(1, 2, 3) } db3
-} {1 {database is locked}}
-do_test tkt2854-1.6 {
-  execsql { COMMIT } db2
-} {}
-
-# Check that an exclusive lock prevents other shared-cache users from
-# starting a transaction.
-#
-do_test tkt2854-1.7 {
-  set ::DB2 [sqlite3_connection_pointer db2]
-  set ::STMT1 [sqlite3_prepare $DB2 "SELECT * FROM abc" -1 TAIL]
-  set ::STMT2 [sqlite3_prepare $DB2 "BEGIN EXCLUSIVE" -1 TAIL]
-  set ::STMT3 [sqlite3_prepare $DB2 "BEGIN IMMEDIATE" -1 TAIL]
-  set ::STMT4 [sqlite3_prepare $DB2 "BEGIN" -1 TAIL]
-  set ::STMT5 [sqlite3_prepare $DB2 "COMMIT" -1 TAIL]
-  execsql { BEGIN EXCLUSIVE } db
-} {}
-do_test tkt2854-1.8 {
-  catchsql { BEGIN EXCLUSIVE } db2
-} {1 {database schema is locked: main}}
-do_test tkt2854-1.9 {
-  catchsql { BEGIN IMMEDIATE } db2
-} {1 {database schema is locked: main}}
-do_test tkt2854-1.10 {
-  # This fails because the schema of main cannot be verified.
-  catchsql { BEGIN } db2
-} {1 {database schema is locked: main}}
-
-# Check that an exclusive lock prevents other shared-cache users from
-# reading the database. Use stored statements so that the error occurs
-# at the b-tree level, not the schema level.
-#
-do_test tkt2854-1.11 {
-  list [sqlite3_step $::STMT1] [sqlite3_finalize $::STMT1]
-} {SQLITE_ERROR SQLITE_LOCKED}
-do_test tkt2854-1.12 {
-  list [sqlite3_step $::STMT2] [sqlite3_finalize $::STMT2]
-} {SQLITE_ERROR SQLITE_LOCKED}
-do_test tkt2854-1.13 {
-  list [sqlite3_step $::STMT3] [sqlite3_finalize $::STMT3]
-} {SQLITE_ERROR SQLITE_LOCKED}
-do_test tkt2854-1.14 {
-  # A regular "BEGIN" doesn't touch any databases. So it succeeds.
-  list [sqlite3_step $::STMT4] [sqlite3_finalize $::STMT4]
-} {SQLITE_DONE SQLITE_OK}
-do_test tkt2854-1.15 {
-  # As does a COMMIT.
-  list [sqlite3_step $::STMT5] [sqlite3_finalize $::STMT5]
-} {SQLITE_DONE SQLITE_OK}
-
-# Try to read the database using connection "db3" (which does not share
-# a cache with "db"). The database should be locked.
-do_test tkt2854-1.16 {
-  catchsql { SELECT * FROM abc } db3
-} {1 {database is locked}}
-do_test tkt2854-1.17 {
-  execsql { COMMIT } db
-} {}
-do_test tkt2854-1.18 {
-  execsql { SELECT * FROM abc } db2
-} {}
-
-# Check that if an attempt to obtain an exclusive lock fails because an
-# attached db cannot be locked, the internal exclusive flag used by
-# shared-cache users is correctly cleared.
-do_test tkt2854-1.19 {
-  forcedelete test2.db test2.db-journal
-  sqlite3 db4 test2.db
-  execsql { CREATE TABLE def(d, e, f) } db4
-  execsql { ATTACH 'test2.db' AS aux } db
-} {}
-do_test tkt2854-1.20 {
-  execsql {BEGIN IMMEDIATE} db4
-  catchsql {BEGIN EXCLUSIVE} db
-} {1 {database table is locked}}
-do_test tkt2854-1.21 {
-  execsql {SELECT * FROM abc} db2
-} {}
-
-db close
-db2 close
-db3 close
-db4 close
-sqlite3_enable_shared_cache $::enable_shared_cache
-finish_test