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diff --git a/libraries/sqlite/unix/sqlite-3.5.1/test/exclusive.test b/libraries/sqlite/unix/sqlite-3.5.1/test/exclusive.test
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+# 2007 March 24
+#
+# 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 implements regression tests for SQLite library. The focus
+# of these tests is exclusive access mode (i.e. the thing activated by 
+# "PRAGMA locking_mode = EXCLUSIVE").
+#
+# $Id: exclusive.test,v 1.6 2007/08/12 20:07:59 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable {!pager_pragmas} {
+  finish_test
+  return
+}
+
+file delete -force test2.db-journal
+file delete -force test2.db
+file delete -force test3.db-journal
+file delete -force test3.db
+file delete -force test4.db-journal
+file delete -force test4.db
+
+# The locking mode for the TEMP table is always "exclusive" for
+# on-disk tables and "normal" for in-memory tables.
+#
+if {[info exists TEMP_STORE] && $TEMP_STORE>=2} {
+  set temp_mode normal
+} else {
+  set temp_mode exclusive
+}
+
+#----------------------------------------------------------------------
+# Test cases exclusive-1.X test the PRAGMA logic.
+#
+do_test exclusive-1.0 {
+  execsql {
+    pragma locking_mode;
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+  } 
+} [list normal normal $temp_mode]
+do_test exclusive-1.1 {
+  execsql {
+    pragma locking_mode = exclusive;
+  } 
+} {exclusive}
+do_test exclusive-1.2 {
+  execsql {
+    pragma locking_mode;
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+  } 
+} [list exclusive exclusive $temp_mode]
+do_test exclusive-1.3 {
+  execsql {
+    pragma locking_mode = normal;
+  } 
+} {normal}
+do_test exclusive-1.4 {
+  execsql {
+    pragma locking_mode;
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+  } 
+} [list normal normal $temp_mode]
+do_test exclusive-1.5 {
+  execsql {
+    pragma locking_mode = invalid;
+  } 
+} {normal}
+do_test exclusive-1.6 {
+  execsql {
+    pragma locking_mode;
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+  } 
+} [list normal normal $temp_mode]
+do_test exclusive-1.7 {
+  execsql {
+    pragma locking_mode = exclusive;
+    ATTACH 'test2.db' as aux;
+  }
+  execsql {
+    pragma main.locking_mode;
+    pragma aux.locking_mode;
+  }
+} {exclusive exclusive}
+do_test exclusive-1.8 {
+  execsql {
+    pragma main.locking_mode = normal;
+  }
+  execsql {
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+    pragma aux.locking_mode;
+  }
+} [list normal $temp_mode exclusive]
+do_test exclusive-1.9 {
+  execsql {
+    pragma locking_mode;
+  }
+} {exclusive}
+do_test exclusive-1.10 {
+  execsql {
+    ATTACH 'test3.db' as aux2;
+  }
+  execsql {
+    pragma main.locking_mode;
+    pragma aux.locking_mode;
+    pragma aux2.locking_mode;
+  }
+} {normal exclusive exclusive}
+do_test exclusive-1.11 {
+  execsql {
+    pragma aux.locking_mode = normal;
+  }
+  execsql {
+    pragma main.locking_mode;
+    pragma aux.locking_mode;
+    pragma aux2.locking_mode;
+  }
+} {normal normal exclusive}
+do_test exclusive-1.12 {
+  execsql {
+    pragma locking_mode = normal;
+  }
+  execsql {
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+    pragma aux.locking_mode;
+    pragma aux2.locking_mode;
+  }
+} [list normal $temp_mode normal normal]
+do_test exclusive-1.13 {
+  execsql {
+    ATTACH 'test4.db' as aux3;
+  }
+  execsql {
+    pragma main.locking_mode;
+    pragma temp.locking_mode;
+    pragma aux.locking_mode;
+    pragma aux2.locking_mode;
+    pragma aux3.locking_mode;
+  }
+} [list normal $temp_mode normal normal normal]
+
+do_test exclusive-1.99 {
+  execsql {
+    DETACH aux;
+    DETACH aux2;
+    DETACH aux3;
+  }
+} {}
+
+#----------------------------------------------------------------------
+# Test cases exclusive-2.X verify that connections in exclusive 
+# locking_mode do not relinquish locks.
+#
+do_test exclusive-2.0 {
+  execsql {
+    CREATE TABLE abc(a, b, c);
+    INSERT INTO abc VALUES(1, 2, 3);
+    PRAGMA locking_mode = exclusive;
+  }
+} {exclusive}
+do_test exclusive-2.1 {
+  sqlite3 db2 test.db
+  execsql {
+    INSERT INTO abc VALUES(4, 5, 6);
+    SELECT * FROM abc;
+  } db2
+} {1 2 3 4 5 6}
+do_test exclusive-2.2 {
+  # This causes connection 'db' (in exclusive mode) to establish 
+  # a shared-lock on the db. The other connection should now be
+  # locked out as a writer.
+  execsql {
+    SELECT * FROM abc;
+  } db
+} {1 2 3 4 5 6}
+do_test exclusive-2.4 {
+  execsql {
+    SELECT * FROM abc;
+  } db2
+} {1 2 3 4 5 6}
+do_test exclusive-2.5 {
+  catchsql {
+    INSERT INTO abc VALUES(7, 8, 9);
+  } db2
+} {1 {database is locked}}
+sqlite3_soft_heap_limit 0
+do_test exclusive-2.6 {
+  # Because connection 'db' only has a shared-lock, the other connection
+  # will be able to get a RESERVED, but will fail to upgrade to EXCLUSIVE.
+  execsql {
+    BEGIN;
+    INSERT INTO abc VALUES(7, 8, 9);
+  } db2
+  catchsql {
+    COMMIT
+  } db2
+} {1 {database is locked}}
+do_test exclusive-2.7 {
+  catchsql {
+    COMMIT
+  } db2
+} {1 {database is locked}}
+do_test exclusive-2.8 {
+  execsql {
+    ROLLBACK;
+  } db2
+} {}
+sqlite3_soft_heap_limit $soft_limit
+
+do_test exclusive-2.9 {
+  # Write the database to establish the exclusive lock with connection 'db.
+  execsql {
+    INSERT INTO abc VALUES(7, 8, 9);
+  } db
+  catchsql {
+    SELECT * FROM abc;
+  } db2
+} {1 {database is locked}}
+do_test exclusive-2.10 {
+  # Changing the locking-mode does not release any locks.
+  execsql {
+    PRAGMA locking_mode = normal;
+  } db
+  catchsql {
+    SELECT * FROM abc;
+  } db2
+} {1 {database is locked}}
+do_test exclusive-2.11 {
+  # After changing the locking mode, accessing the db releases locks.
+  execsql {
+    SELECT * FROM abc;
+  } db
+  execsql {
+    SELECT * FROM abc;
+  } db2
+} {1 2 3 4 5 6 7 8 9}
+db2 close
+
+#----------------------------------------------------------------------
+# Tests exclusive-3.X - test that a connection in exclusive mode 
+# truncates instead of deletes the journal file when committing 
+# a transaction.
+#
+proc filestate {fname} {
+  set exists 0
+  set content 0
+  if {[file exists $fname]} {
+    set exists 1
+    set content [expr {[file size $fname] > 0}]
+  }
+  list $exists $content
+}
+do_test exclusive-3.0 {
+  filestate test.db-journal
+} {0 0}
+do_test exclusive-3.1 {
+  execsql {
+    PRAGMA locking_mode = exclusive;
+    BEGIN;
+    DELETE FROM abc;
+  }
+  filestate test.db-journal
+} {1 1}
+do_test exclusive-3.2 {
+  execsql {
+    COMMIT;
+  }
+  filestate test.db-journal
+} {1 0}
+do_test exclusive-3.3 {
+  execsql {
+    INSERT INTO abc VALUES('A', 'B', 'C');
+    SELECT * FROM abc;
+  }
+} {A B C}
+do_test exclusive-3.4 {
+  execsql {
+    BEGIN;
+    UPDATE abc SET a = 1, b = 2, c = 3;
+    ROLLBACK;
+    SELECT * FROM abc;
+  }
+} {A B C}
+do_test exclusive-3.5 {
+  filestate test.db-journal
+} {1 0}
+do_test exclusive-3.6 {
+  execsql {
+    PRAGMA locking_mode = normal;
+    SELECT * FROM abc;
+  }
+  filestate test.db-journal
+} {0 0}
+
+#----------------------------------------------------------------------
+# Tests exclusive-4.X - test that rollback works correctly when
+# in exclusive-access mode.
+#
+
+# The following procedure computes a "signature" for table "t3".  If
+# T3 changes in any way, the signature should change.  
+#
+# This is used to test ROLLBACK.  We gather a signature for t3, then
+# make lots of changes to t3, then rollback and take another signature.
+# The two signatures should be the same.
+#
+proc signature {} {
+  return [db eval {SELECT count(*), md5sum(x) FROM t3}]
+}
+
+do_test exclusive-4.0 {
+  execsql { PRAGMA locking_mode = exclusive; }
+  execsql { PRAGMA default_cache_size = 10; }
+  execsql {
+    BEGIN;
+    CREATE TABLE t3(x TEXT);
+    INSERT INTO t3 VALUES(randstr(10,400));
+    INSERT INTO t3 VALUES(randstr(10,400));
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    COMMIT;
+  }
+  execsql {SELECT count(*) FROM t3;}
+} {32}
+
+set ::X [signature]
+do_test exclusive-4.1 {
+  execsql {
+    BEGIN;
+    DELETE FROM t3 WHERE random()%10!=0;
+    INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+    INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+    SELECT count(*) FROM t3;
+    ROLLBACK;
+  }
+  signature
+} $::X
+
+do_test exclusive-4.2 {
+  execsql {
+    BEGIN;
+    DELETE FROM t3 WHERE random()%10!=0;
+    INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+    DELETE FROM t3 WHERE random()%10!=0;
+    INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+    ROLLBACK;
+  }
+  signature
+} $::X
+
+do_test exclusive-4.3 {
+  execsql {
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
+  }
+} {}
+
+do_test exclusive-4.4 {
+  catch {set ::X [signature]}
+} {0}
+do_test exclusive-4.5 {
+  execsql {
+    PRAGMA locking_mode = NORMAL;
+    DROP TABLE t3;
+    DROP TABLE abc;
+  }
+} {normal}
+
+#----------------------------------------------------------------------
+# Tests exclusive-5.X - test that statement journals are truncated
+# instead of deleted when in exclusive access mode.
+#
+
+# Close and reopen the database so that the temp database is no
+# longer active.
+#
+db close
+sqlite db test.db
+
+
+do_test exclusive-5.0 {
+  execsql {
+    CREATE TABLE abc(a UNIQUE, b UNIQUE, c UNIQUE);
+    BEGIN;
+    INSERT INTO abc VALUES(1, 2, 3);
+    INSERT INTO abc SELECT a+1, b+1, c+1 FROM abc;
+  }
+} {}
+do_test exclusive-5.1 {
+  # Three files are open: The db, journal and statement-journal.
+  set sqlite_open_file_count
+} {3}
+do_test exclusive-5.2 {
+  execsql {
+    COMMIT;
+  }
+  # One file open: the db.
+  set sqlite_open_file_count
+} {1}
+do_test exclusive-5.3 {
+  execsql {
+    PRAGMA locking_mode = exclusive;
+    BEGIN;
+    INSERT INTO abc VALUES(5, 6, 7);
+  }
+  # Two files open: the db and journal.
+  set sqlite_open_file_count
+} {2}
+do_test exclusive-5.4 {
+  execsql {
+    INSERT INTO abc SELECT a+10, b+10, c+10 FROM abc;
+  }
+  # Three files are open: The db, journal and statement-journal.
+  set sqlite_open_file_count
+} {3}
+do_test exclusive-5.5 {
+  execsql {
+    COMMIT;
+  }
+  # Three files are still open: The db, journal and statement-journal.
+  set sqlite_open_file_count
+} {3}
+do_test exclusive-5.6 {
+  execsql {
+    PRAGMA locking_mode = normal;
+    SELECT * FROM abc;
+  }
+} {normal 1 2 3 2 3 4 5 6 7 11 12 13 12 13 14 15 16 17}
+do_test exclusive-5.7 {
+  # Just the db open.
+  set sqlite_open_file_count
+} {1}
+
+finish_test