public function testGetLengthOfGeographicalAreaCode()
{
// Google MTV, which has area code "650".
$this->assertEquals(3, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$usNumber));
// A North America toll-free number, which has no area code.
$this->assertEquals(0, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$usTollFree));
// Google London, which has area code "20".
$this->assertEquals(2, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$gbNumber));
// A UK mobile phone, which has no area code.
$this->assertEquals(0, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$gbMobile));
// Google Buenos Aires, which has area code "11".
$this->assertEquals(2, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$arNumber));
// Google Sydney, which has area code "2".
$this->assertEquals(1, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$auNumber));
// Google Singapore. Singapore has no area code and no national prefix.
$this->assertEquals(0, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$sgNumber));
// An invalid US number (1 digit shorter), which has no area code.
$this->assertEquals(0, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$usShortByOneNumber));
// An international toll free number, which has no area code.
$this->assertEquals(0, $this->phoneUtil->getLengthOfGeographicalAreaCode(self::$internationalTollFree));
}
