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diff --git a/ext/date/tests/DateTimeZone_construct_variation1.phpt b/ext/date/tests/DateTimeZone_construct_variation1.phpt
new file mode 100644
index 0000000..65e575e
--- /dev/null
+++ b/ext/date/tests/DateTimeZone_construct_variation1.phpt
@@ -0,0 +1,200 @@
+--TEST--
+Test DateTime::__construct() function : usage variation - Passing unexpected values to first argument $timezone.
+--FILE--
+<?php
+/* Prototype  : DateTimeZone::__construct  ( string $timezone  )
+ * Description: Returns new DateTimeZone object
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing DateTime::__construct() : usage variation -  unexpected values to first argument \$timezone***\n";
+
+//Set the default time zone 
+date_default_timezone_set("Europe/London");
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// add arrays
+$index_array = array (1, 2, 3);
+$assoc_array = array ('one' => 1, 'two' => 2);
+
+// resource
+$file_handle = fopen(__FILE__, 'r');
+
+//array of values to iterate over
+$inputs = array(
+
+      // int data
+      'int 0' => 0,
+      'int 1' => 1,
+      'int 12345' => 12345,
+      'int -12345' => -12345,
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float .5' => .5,
+
+      // array data
+      'empty array' => array(),
+      'int indexed array' => $index_array,
+      'associative array' => $assoc_array,
+      'nested arrays' => array('foo', $index_array, $assoc_array),
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // empty data
+      'empty string DQ' => "",
+      'empty string SQ' => '',
+
+      // string data
+      'string DQ' => "string",
+      'string SQ' => 'string',
+      'mixed case string' => "sTrInG",
+      'heredoc' => $heredoc,
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+      
+      // resource 
+      'resource' => $file_handle
+);
+
+foreach($inputs as $variation =>$timezone) {
+      echo "\n-- $variation --\n";
+      try {
+      	var_dump( new DateTimezone($timezone) );
+      } catch(Exception $e) {
+      	  $msg = $e->getMessage();
+      	  echo "FAILED: " . $msg . "\n";
+      }	
+      
+};
+
+// closing the resource
+fclose( $file_handle );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing DateTime::__construct() : usage variation -  unexpected values to first argument $timezone***
+
+-- int 0 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (0)
+
+-- int 1 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (1)
+
+-- int 12345 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (12345)
+
+-- int -12345 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (-12345)
+
+-- float 10.5 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (10.5)
+
+-- float -10.5 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (-10.5)
+
+-- float .5 --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (0.5)
+
+-- empty array --
+FAILED: DateTimeZone::__construct() expects parameter 1 to be string, array given
+
+-- int indexed array --
+FAILED: DateTimeZone::__construct() expects parameter 1 to be string, array given
+
+-- associative array --
+FAILED: DateTimeZone::__construct() expects parameter 1 to be string, array given
+
+-- nested arrays --
+FAILED: DateTimeZone::__construct() expects parameter 1 to be string, array given
+
+-- uppercase NULL --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- lowercase null --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- lowercase true --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (1)
+
+-- lowercase false --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- uppercase TRUE --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (1)
+
+-- uppercase FALSE --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- empty string DQ --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- empty string SQ --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- string DQ --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (string)
+
+-- string SQ --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (string)
+
+-- mixed case string --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (sTrInG)
+
+-- heredoc --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (hello world)
+
+-- instance of classWithToString --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone (Class A object)
+
+-- instance of classWithoutToString --
+FAILED: DateTimeZone::__construct() expects parameter 1 to be string, object given
+
+-- undefined var --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- unset var --
+FAILED: DateTimeZone::__construct(): Unknown or bad timezone ()
+
+-- resource --
+FAILED: DateTimeZone::__construct() expects parameter 1 to be string, resource given
+===DONE===