#
#    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 handling read only and 
# read write open of the same database in BDB SQL
#

set testdir [file dirname $argv0]/../../lang/sql/sqlite/test
source $testdir/tester.tcl
reset_db

# Test bdb_rdonly-1
# 1. Create a table for test.
# 2. Open a read write connection.
# 3. Open another connection readonly and ensure that it cannot update
# 4. Ensure that the first connection still can update
do_test bdb_rdonly-1.1 {
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(1);
    SELECT * FROM t1;
  }
} {1}
 
# Ensure that the readonly connection can not update
do_test bdb_rdonly-1.2 {
  sqlite3 dbr test.db -readonly 1
  catchsql {
    INSERT INTO t1 VALUES(2);
  } dbr
} {1 {attempt to write a readonly database}}

# Ensure that the read write connection still can update
do_test bdb_rdonly-1.3 {
  catchsql {
    INSERT INTO t1 VALUES(2);
    SELECT * FROM t1;
  }
} {0 {1 2}}
catch {dbr close}
reset_db

# Test bdb_rdonly-2
# 1. Create a table for test.
# 2. Open a readonly connection.
# 3. Ensure that the read write connection still can update
# 4. Ensure that the first connection can not update
do_test bdb_rdonly-2.1 {
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(1);
    SELECT * FROM t1;
  }
} {1}
 
# Ensure that the read write connection still can update
do_test bdb_rdonly-2.2 {
  sqlite3 dbr test.db -readonly 1
  catchsql {
    INSERT INTO t1 VALUES(2);
    SELECT * FROM t1;
  }
} {0 {1 2}}

# Ensure that the readonly connection can not update
do_test bdb_rdonly-2.3 {
  catchsql {
    INSERT INTO t1 VALUES(2);
  } dbr
} {1 {attempt to write a readonly database}}
catch {dbr close}
reset_db
 
finish_test