As you can see, for the following widgets, the textDir is disabled, it's overridden by dijit.form.RangeBoundTextBox
Test DateTextBox Widget with _BidiSupport
Test NumberSpinner Widget with _BidiSupport
Try typing values, and use the up/down arrow keys and/or the arrow push buttons
Test CurrencyTextBox Widget with _BidiSupport
Test TimeTextBox Widget with _BidiSupport