[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/shared6.test

-# 2009 April 01
-#
-# 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: shared6.test,v 1.4 2009/06/05 17:09:12 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-ifcapable !shared_cache { finish_test ; return }
-
-do_test shared6-1.1.1 {
-  execsql {
-    CREATE TABLE t1(a, b);
-    CREATE TABLE t2(c, d);
-    CREATE TABLE t3(e, f);
-  }
-  db close
-} {}
-do_test shared6-1.1.2 {
-  set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
-  sqlite3_enable_shared_cache
-} {1}
-
-do_test shared6-1.1.3 {
-  sqlite3 db1 test.db
-  sqlite3 db2 test.db
-} {}
-
-# Exclusive shared-cache locks. Test the following:
-#
-#   1.2.1: If [db1] has an exclusive lock, [db2] cannot read.
-#   1.2.2: If [db1] has an exclusive lock, [db1] can read.
-#   1.2.3: If [db1] has a non-exclusive write-lock, [db2] can read.
-# 
-do_test shared6-1.2.1 {
-  execsql { SELECT * FROM t1 } db2    ;# Cache a compiled statement
-  execsql { BEGIN EXCLUSIVE } db1
-  catchsql { SELECT * FROM t1 } db2   ;# Execute the cached compiled statement
-} {1 {database table is locked}}
-do_test shared6-1.2.2 {
-  execsql { SELECT * FROM t1 } db1
-} {}
-do_test shared6-1.2.3 {
-  execsql {
-    COMMIT;
-    BEGIN;
-    INSERT INTO t2 VALUES(3, 4);
-  } db1
-  execsql { SELECT * FROM t1 } db2
-} {}
-do_test shared6-1.2.X {
-  execsql { COMMIT } db1
-} {}
-
-# Regular shared-cache locks. Verify the following:
-#
-#   1.3.1: If [db1] has a write-lock on t1, [db1] can read from t1.
-#   1.3.2: If [db1] has a write-lock on t1, [db2] can read from t2.
-#   1.3.3: If [db1] has a write-lock on t1, [db2] cannot read from t1.
-#   1.3.4: If [db1] has a write-lock on t1, [db2] cannot write to t1.
-#   1.3.5: If [db1] has a read-lock on t1, [db2] can read from t1.
-#   1.3.6: If [db1] has a read-lock on t1, [db2] cannot write to t1.
-#
-do_test shared6-1.3.1 {
-  execsql {
-    BEGIN;
-    INSERT INTO t1 VALUES(1, 2);
-  } db1
-  execsql { SELECT * FROM t1 } db1
-} {1 2}
-do_test shared6-1.3.2 {
-  execsql { SELECT * FROM t2 } db2
-} {3 4}
-do_test shared6-1.3.3 {
-  catchsql { SELECT * FROM t1 } db2
-} {1 {database table is locked: t1}}
-do_test shared6-1.3.4 {
-  catchsql { INSERT INTO t2 VALUES(1, 2) } db2
-} {1 {database table is locked}}
-do_test shared6-1.3.5 {
-  execsql {
-    COMMIT;
-    BEGIN;
-    SELECT * FROM t1;
-  } db1
-  execsql { SELECT * FROM t1 } db2
-} {1 2}
-do_test shared6-1.3.5 {
-  catchsql { INSERT INTO t1 VALUES(5, 6) } db2
-} {1 {database table is locked: t1}}
-do_test shared6-1.3.X {
-  execsql { COMMIT } db1
-} {}
-
-# Read-uncommitted mode.
-#
-# For these tests, connection [db2] is in read-uncommitted mode.
-#
-#   1.4.1: If [db1] has a write-lock on t1, [db2] can still read from t1.
-#   1.4.2: If [db1] has a write-lock on the db schema (sqlite_master table), 
-#          [db2] cannot read from the schema.
-#   1.4.3: If [db1] has a read-lock on t1, [db2] cannot write to t1.
-#
-do_test shared6-1.4.1 {
-  execsql { PRAGMA read_uncommitted = 1 } db2
-  execsql {
-    BEGIN;
-    INSERT INTO t1 VALUES(5, 6);
-  } db1
-  execsql { SELECT * FROM t1 } db2
-} {1 2 5 6}
-do_test shared6-1.4.2 {
-  execsql { CREATE TABLE t4(a, b) } db1
-  catchsql { SELECT * FROM t1 } db2
-} {1 {database table is locked}}
-do_test shared6-1.4.3 {
-  execsql {
-    COMMIT;
-    BEGIN;
-    SELECT * FROM t1;
-  } db1
-  catchsql { INSERT INTO t1 VALUES(7, 8) } db2
-} {1 {database table is locked: t1}}
-
-do_test shared6-1.X {
-  db1 close
-  db2 close
-} {}
-
-#-------------------------------------------------------------------------
-# The following tests - shared6-2.* - test that two database connections
-# that connect to the same file using different VFS implementations do
-# not share a cache.
-#
-if {$::tcl_platform(platform) eq "unix"} {
-  do_test shared6-2.1 {
-    sqlite3 db1 test.db -vfs unix
-    sqlite3 db2 test.db -vfs unix
-    sqlite3 db3 test.db -vfs unix-none
-    sqlite3 db4 test.db -vfs unix-none
-  } {}
-
-  do_test shared6-2.2 {
-    execsql { BEGIN; INSERT INTO t1 VALUES(9, 10); } db1
-    catchsql { SELECT * FROM t1 } db2
-  } {1 {database table is locked: t1}}
-  do_test shared6-2.3 {
-    execsql { SELECT * FROM t1 } db3
-  } {1 2 5 6}
-
-  do_test shared6-2.3 {
-    execsql { COMMIT } db1
-    execsql { BEGIN; INSERT INTO t1 VALUES(11, 12); } db3
-    catchsql { SELECT * FROM t1 } db4
-  } {1 {database table is locked: t1}}
-
-  do_test shared6-2.4 {
-    execsql { SELECT * FROM t1 } db1
-  } {1 2 5 6 9 10}
-
-  do_test shared6-2.5 {
-    execsql { COMMIT } db3
-  } {}
-
-  do_test shared6-2.X {
-    db1 close
-    db2 close
-    db3 close
-    db4 close
-  } {}
-}
-
-#-------------------------------------------------------------------------
-# Test that it is possible to open an exclusive transaction while 
-# already holding a read-lock on the database file. And that it is
-# not possible if some other connection holds such a lock.
-#
-do_test shared6-3.1 {
-  sqlite3 db1 test.db
-  sqlite3 db2 test.db
-  sqlite3 db3 test.db
-} {}
-db1 eval {SELECT * FROM t1} {
-  # Within this block [db1] is holding a read-lock on t1. Test that
-  # this means t1 cannot be written by [db2].
-  #
-  do_test shared6-3.2 {
-    catchsql { INSERT INTO t1 VALUES(1, 2) } db2
-  } {1 {database table is locked: t1}}
-
-  do_test shared6-3.3 {
-    execsql { BEGIN EXCLUSIVE } db1
-  } {}
-  break
-}
-do_test shared6-3.4 {
-  catchsql { SELECT * FROM t1 } db2
-} {1 {database schema is locked: main}}
-do_test shared6-3.5 {
-  execsql COMMIT db1
-} {}
-db2 eval {SELECT * FROM t1} {
-  do_test shared6-3.6 {
-    catchsql { BEGIN EXCLUSIVE } db1
-  } {1 {database table is locked}}
-  break
-}
-do_test shared6-3.7 {
-  execsql { BEGIN } db1
-  execsql { BEGIN } db2
-} {}
-db2 eval {SELECT * FROM t1} {
-  do_test shared6-3.8 {
-    catchsql { INSERT INTO t1 VALUES(1, 2) } db1
-  } {1 {database table is locked: t1}}
-  break
-}
-do_test shared6-3.9 {
-  execsql { BEGIN ; ROLLBACK } db3
-} {}
-do_test shared6-3.10 {
-  catchsql { SELECT * FROM t1 } db3
-} {1 {database table is locked}}
-do_test shared6-3.X {
-  db1 close
-  db2 close
-  db3 close
-} {}
-
-do_test shared6-4.1 {
-  #forcedelete test.db test.db-journal
-  sqlite3 db1 test.db
-  sqlite3 db2 test.db
-
-  set ::STMT [sqlite3_prepare_v2 db1 "SELECT * FROM t1" -1 DUMMY]
-  execsql { CREATE TABLE t5(a, b) } db2
-} {}
-do_test shared6-4.2 {
-  sqlite3_finalize $::STMT
-} {SQLITE_OK}
-do_test shared6-4.X {
-  
-  db1 close
-  db2 close
-} {}
-
-sqlite3_enable_shared_cache $::enable_shared_cache
-finish_test