Portablity fix

mysql-test/r/have_met_timezone.require

-Variable_name	Value
-timezone	MET
+FROM_UNIXTIME(24*3600)
+1970-01-02 01:00:00

mysql-test/r/mysqldump.result

@@ -32,6 +32,6 @@ CREATE TABLE t1 (
   a double default NULL
 ) TYPE=MyISAM;
 
-INSERT INTO t1 VALUES (NULL);
+INSERT INTO t1 VALUES (RES);
 
 DROP TABLE t1;

mysql-test/r/timezone.result

 DROP TABLE IF EXISTS t1;
+show variables like "timezone";
+Variable_name	Value
+timezone	MET
+select @a:=FROM_UNIXTIME(1);
+@a:=FROM_UNIXTIME(1)
+1970-01-01 01:00:01
+select unix_timestamp(@a);
+unix_timestamp(@a)
+1
 CREATE TABLE t1 (ts int);
 INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 01:00'));
 INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
@@ -23,9 +32,3 @@ ts	from_unixtime(ts)
 1048989599	2003-03-30 03:59:59
 1048989601	2003-03-30 04:00:01
 DROP TABLE t1;
-select @a:=FROM_UNIXTIME(1);
-@a:=FROM_UNIXTIME(1)
-1970-01-01 01:00:01
-select unix_timestamp(@a);
-unix_timestamp(@a)
-1

mysql-test/t/mysqldump.test

@@ -25,5 +25,8 @@ DROP TABLE t1;
 
 CREATE TABLE t1 (a double);
 INSERT INTO t1 VALUES (-9e999999);
+# The following replaces is here because some systems replaces the above
+# double with '-inf' and others with MAX_DOUBLE
+--replace_result (-1.79769313486232e+308) (RES) (NULL) (RES)
 --exec $MYSQL_DUMP --skip-comments test t1
 DROP TABLE t1;

mysql-test/t/timezone.test

@@ -3,7 +3,7 @@
 
 -- require r/have_met_timezone.require
 disable_query_log;
-show variables like "timezone";
+select FROM_UNIXTIME(24*3600);
 enable_query_log;
 
 # Initialization
@@ -11,6 +11,17 @@ enable_query_log;
 DROP TABLE IF EXISTS t1;
 --enable_warnings
 
+show variables like "timezone";
+
+#
+# Test unix timestamp
+#
+select @a:=FROM_UNIXTIME(1);
+select unix_timestamp(@a);
+
+#
+# Test of some values, including some with daylight saving time
+#
 
 CREATE TABLE t1 (ts int);
 INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 01:00'));
@@ -27,8 +38,3 @@ INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 04:00:01'));
 SELECT ts,from_unixtime(ts) FROM t1;
 DROP TABLE t1;
 
-#
-# Test unix timestamp
-#
-select @a:=FROM_UNIXTIME(1);
-select unix_timestamp(@a);