Nice() public method

public Nice ( )
 public function testField()
 {
     ShopCurrency::config()->currency_symbol = "X";
     ShopCurrency::config()->decimal_delimiter = "|";
     ShopCurrency::config()->thousand_delimiter = "-";
     ShopCurrency::config()->negative_value_format = "- %s";
     $field = new ShopCurrency("Price");
     $field->setValue(-12345.56);
     $this->assertEquals("- X12-345|56", $field->Nice());
 }