# 2017 July 09
#
# 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 this script is testing the server mode of SQLite.
# Specifically, that "BEGIN READONLY" starts a read-only MVCC
# transaction.
#


set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
set testprefix server4

source $testdir/server_common.tcl
return_if_no_server

server_reset_db
server_sqlite3 db2 test.db

do_execsql_test 1.0 {
  CREATE TABLE t1(x);
  INSERT INTO t1 VALUES(1);
  CREATE TABLE t2(x);
  INSERT INTO t2 VALUES(1);
  BEGIN;
    INSERT INTO t1 VALUES(2);
    INSERT INTO t2 VALUES(2);
}

do_execsql_test -db db2 1.1 {
  BEGIN READONLY;
    SELECT * FROM t1;
} {1}

do_execsql_test 1.2 {
  COMMIT;
  INSERT INTO t1 VALUES(3);
  SELECT * FROM t1;
} {1 2 3}

do_execsql_test 1.2a {
  INSERT INTO t2 VALUES(3);
} {}

do_execsql_test -db db2 1.3 {
  SELECT * FROM t2;
} {1}

do_execsql_test -db db2 1.4 {
  ROLLBACK;
  SELECT * FROM t1;
} {1 2 3}

finish_test

