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+
+
+################## mysql-test\t\tmpdir_basic.test #############################
+# #
+# Variable Name: tmpdir #
+# Scope: Global #
+# Access Type: Static #
+# Data Type: filename #
+# #
+# #
+# Creation Date: 2008-02-07 #
+# Author : Sharique Abdullah #
+# #
+# #
+# Description:Test Cases of Dynamic System Variable tmpdir #
+# that checks the behavior of this variable in the following ways #
+# * Value Check #
+# * Scope Check #
+# #
+# Reference: http://dev.mysql.com/doc/refman/5.1/en/ #
+# server-system-variables.html #
+# #
+###############################################################################
+
+--echo '#---------------------BS_STVARS_052_01----------------------#'
+####################################################################
+# Displaying default value #
+####################################################################
+SELECT COUNT(@@GLOBAL.tmpdir);
+--echo 1 Expected
+
+
+--echo '#---------------------BS_STVARS_052_02----------------------#'
+####################################################################
+# Check if Value can set #
+####################################################################
+
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SET @@GLOBAL.tmpdir=1;
+--echo Expected error 'Read only variable'
+
+SELECT COUNT(@@GLOBAL.tmpdir);
+--echo 1 Expected
+
+
+
+
+--echo '#---------------------BS_STVARS_052_03----------------------#'
+#################################################################
+# Check if the value in GLOBAL Table matches value in variable #
+#################################################################
+
+SELECT @@GLOBAL.tmpdir = VARIABLE_VALUE
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
+WHERE VARIABLE_NAME='tmpdir';
+--echo 1 Expected
+
+SELECT COUNT(@@GLOBAL.tmpdir);
+--echo 1 Expected
+
+SELECT COUNT(VARIABLE_VALUE)
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
+WHERE VARIABLE_NAME='tmpdir';
+--echo 1 Expected
+
+
+
+--echo '#---------------------BS_STVARS_052_04----------------------#'
+################################################################################
+# Check if accessing variable with and without GLOBAL point to same variable #
+################################################################################
+SELECT @@tmpdir = @@GLOBAL.tmpdir;
+--echo 1 Expected
+
+
+
+--echo '#---------------------BS_STVARS_052_05----------------------#'
+################################################################################
+# Check if tmpdir can be accessed with and without @@ sign #
+################################################################################
+
+SELECT COUNT(@@tmpdir);
+--echo 1 Expected
+
+--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SELECT COUNT(@@local.tmpdir);
+--echo Expected error 'Variable is a GLOBAL variable'
+
+--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SELECT COUNT(@@SESSION.tmpdir);
+--echo Expected error 'Variable is a GLOBAL variable'
+
+SELECT COUNT(@@GLOBAL.tmpdir);
+--echo 1 Expected
+
+--Error ER_BAD_FIELD_ERROR
+SELECT tmpdir = @@SESSION.tmpdir;
+--echo Expected error 'Readonly variable'
+
+