/**
* @group utility
*/
function testIsCurrency()
{
$this->assertFalse(InputValidator::isCurrency(""));
$this->assertFalse(InputValidator::isCurrency(123));
$this->assertFalse(InputValidator::isCurrency("notvalid"));
$this->assertFalse(InputValidator::isCurrency("eur"));
$this->assertFalse(InputValidator::isCurrency("NotValid"));
$this->assertFalse(InputValidator::isCurrency("nv"));
$this->assertTrue(InputValidator::isCurrency("EUR"));
}