public void Password_checker_should_check_first_rules() { var input1 = new PasswordChecker("1-3 a: abcde"); var output1 = input1.isPasswordValidFirstRuleSet(); Assert.True(output1); var input2 = new PasswordChecker("1-3 b: cdefg"); var output2 = input2.isPasswordValidFirstRuleSet(); Assert.False(output2); var input3 = new PasswordChecker("2-9 c: ccccccccc"); var output3 = input3.isPasswordValidFirstRuleSet(); Assert.True(output3); }