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    $tz_handling = !empty($tz_handling) ? $tz_handling : 'site';

  /**

   * Creates a date field from an array of settings values.

   *

   * All values have defaults, only need to specify values that need to be

   * different.

   */

  protected function createMultiDateField($values = array()) {

    extract($values);

    $field_name = !empty($field_name) ? $field_name : 'field_test';

    $entity_type = !empty($entity_type) ? $entity_type : 'node';

    $bundle = !empty($bundle) ? $bundle : 'story';

    $label = !empty($label) ? $label : 'Test';

    $field_type = !empty($field_type) ? $field_type : 'datetime';

    $repeat = !empty($repeat) ? $repeat : 0;

    $todate = !empty($todate) ? $todate : 'optional';

    $widget_type = !empty($widget_type) ? $widget_type : 'date_select';

    $this->verbose(!empty($tz_handling));

    $tz_handling = !empty($tz_handling) ? $tz_handling : 'site';

    $granularity = !empty($granularity) ? $granularity : array('year', 'month', 'day', 'hour', 'minute');

    $year_range = !empty($year_range) ? $year_range : '2010:+1';

    $input_format = !empty($input_format) ? $input_format : date_default_format($widget_type);

    $input_format_custom = !empty($input_format_custom) ? $input_format_custom : '';

    $text_parts = !empty($text_parts) ? $text_parts : array();

    $increment = !empty($increment) ? $increment : 15;

    $default_value = !empty($default_value) ? $default_value : 'now';

    $default_value2 = !empty($default_value2) ? $default_value2 : 'blank';

    $default_format = !empty($default_format) ? $default_format : 'long';

    $cache_enabled = !empty($cache_enabled);

    $cache_count = !empty($cache_count) ? $cache_count : 4;

    $cardinality = !empty($cardinality) ? $cardinality : 1;

    $field = array(

      'field_name' => $field_name,

      'type' => $field_type,

      'cardinality' => $cardinality,

      'settings' => array(

        'granularity' => $granularity,

        'tz_handling' => $tz_handling,

        'timezone_db' => date_get_timezone_db($tz_handling),

        'repeat' => $repeat,

        'todate' => $todate,

        'cache_enabled' => $cache_enabled,

        'cache_count' => $cache_count,

      ),

    );

    $instance = array(

      'entity_type' => $entity_type,

      'field_name' => $field_name,

      'label' => $label,

      'bundle' => $bundle,

      // Move the date right below the title.

      'weight' => -4,

      'widget' => array(

        'type' => $widget_type,

        // Increment for minutes and seconds, can be 1, 5, 10, 15, or 30.

        'settings' => array(

          'increment' => $increment,

          // The number of years to go back and forward in drop-down year

          // selectors.

          'year_range' => $year_range,

          'input_format' => $input_format,

          'input_format_custom' => $input_format_custom,

          'text_parts' => $text_parts,

          'label_position' => 'above',

          'repeat_collapsed' => 0,

        ),

        'weight' => -4,

      ),

      'settings' => array(

        'default_value' => $default_value,

        'default_value2' => $default_value2,

      ),

    );

    $instance['display'] = array(

      'default' => array(

        'label' => 'above',

        'type' => 'date_default',

        'settings' => array(

          'format_type' => $default_format,

          'show_repeat_rule' => 'show',

          'multiple_number' => '',

          'multiple_from' => '',

          'multiple_to' => '',

          'fromto' => 'both',

        ),

        'module' => 'date',

        'weight' => 0 ,

      ),

      'teaser' => array(

        'label' => 'above',

        'type' => 'date_default',

        'weight' => 0,

        'settings' => array(

          'format_type' => $default_format,

          'show_repeat_rule' => 'show',

          'multiple_number' => '',

          'multiple_from' => '',

          'multiple_to' => '',

          'fromto' => 'both',

        ),

        'module' => 'date',

      ),

    );

    $field = field_create_field($field);

    $instance = field_create_instance($instance);

    field_info_cache_clear(TRUE);

    field_cache_clear(TRUE);

    // Look at how the field got configured.

    $this->drupalGet("admin/structure/types/manage/$bundle/fields/$field_name");

    $this->drupalGet("admin/structure/types/manage/$bundle/display");

  }