public function testDecomposeFail()  {
		$this->expectException();
		try {
			Locale::decompose('deee_DE');
			$this->assert(false);
		} catch (Exception $e) {
			$this->assert(true);
		}

		$this->expectException();
		try {
			Locale::decompose('ZH-HANS-HK_REVISED_INVALID');
			$this->assert(false);
		} catch (Exception $e) {
			$this->assert(true);
		}
	}