IsValid() public static method

public static IsValid ( string number ) : bool
number string
return bool
 public void TestIsValidNormalCases()
 {
     Assert.IsTrue(Accounts.IsValid("123456789"));
     Assert.IsFalse(Accounts.IsValid("123456788"));
 }
 public void TestEmptyString()
 {
     Assert.IsFalse(Accounts.IsValid(""));
 }