test (1 + 1 == 2, "one and one are two"); //test to see if there is a calculator class test (class_exists('Calculator'), "There is a calculator class"); //create an instance of the calculator $calculator = new Calculator; //test to find an instance of the calculator test ($calculator != null, "An instance of the calculator exists"); //test to see if the calculator is set to zero test ($calculator->register == 0, "The calculator is set to zero"); //test to see if you can use the public functions in tandem test ($calculator->roman_numerals (41) == "Error: number too large to calculate", "The calculator can reject numbers too high to calculate"); //test to see if the calculator can return 40 test ($calculator->roman_numerals (40) == "XL", "The calculator can return 40."); //test for less than 40 test ($calculator->roman_numerals (39) == "XXX", "The calculator can return less than 40."); /* //test to see if the calculator can reject too large a number test ($calculator->too_high (41) == "Error: number too large to calculate", "The calculator can reject numbers too high to calculate"); test ($calculator->too_high (40) == "Error: number too large to calculate", "The calculator can reject numbers too high to calculate"); //test to see if the calculator can return 40 test ($calculator->equals_fourty (40) == "XL", "The calculator can return the Roman number 40"); //test to see if the calculator can calculate the correct number of Xs
//test to see if the calculator can return 40 test ($calculator->equals_fourty (40) == "XL", "The calculator can return the Roman number 40"); //test to see if the calculator can calculate the correct number of Xs test ($calculator->count_tens (30) == "XXX", "The calculator counts the correct number of tens 30"); test ($calculator->count_tens (20) == "XX", "The calculator counts the correct number of tens 20"); test ($calculator->count_tens (10) == "X", "The calculator counts the correct number of tens 10"); test ($calculator->count_tens (39) == "XXX", "The calculator counts the correct number of tens 39"); //test to see if calculator can return 9 test ($calculator->equals_nine (9) == "IX", "The calculator can return the Roman number 9"); //test to see if the calculator can return the correct number of Vs test ($calculator->count_fives (5) == "V", "The calculator counts the correct number of fives 5"); test ($calculator->count_fives (15) == "VVV", "The calculator counts the correct number of fives 15"); //test to see if calculator can return 4 test ($calculator->equals_four (4) == "IV", "The calculator can return the Roman number 4"); //test to see if the calculator can return the correct number of Is test ($calculator->count_ones (3) == "III", "The calculator counts the correct number of ones 3"); test ($calculator->count_ones (2) == "II", "The calculator counts the correct number of ones 2"); test ($calculator->count_ones (1) == "I", "The calculator counts the correct number of ones 1"); //test to reject 0 test ($calculator->reject_zero (0) == "The Romans never learned of zero", "The calculator can reject zero as input"); //test whole shebang test ($calculator->roman_numerals (0) == 3, "The calculator can calculate any number from 0 to 40");
//write a generic test function function test($assertion, $message = null) { echo (@assert($assertion) ? "pass " : "fail ") . $message . "\n"; } test(1 + 1 == 2, "one and one are two"); //test to see if there is a calculator class test(class_exists('Calculator'), "There is a calculator class"); //create an instance of the calculator $calculator = new Calculator(); //test to find an instance of the calculator test($calculator != null, "An instance of the calculator exists"); //test to see if the calculator is set to zero test($calculator->register == 0, "The calculator is set to zero"); //test to see if you can use the public functions in tandem test($calculator->roman_numerals(41) == "Error: number too large to calculate", "The calculator can reject numbers too high to calculate"); //test to see if the calculator can return 40 test($calculator->roman_numerals(40) == "XL", "The calculator can return 40."); //test for returning number of correct Xs test($calculator->roman_numerals(30) == "XXX", "The calculator can return XXX for 30."); echo $calculator->roman_numerals(30) . "\n"; //test to return 39 test($calculator->roman_numerals(39) == "XXXIX", "The calculator can return XXXIX for 39."); echo $calculator->roman_numerals(39) . "\n"; //test to return 35 test($calculator->roman_numerals(35) == "XXXV", "The calculator can return for 35."); echo $calculator->roman_numerals(35) . "\n"; //test to return 34 test($calculator->roman_numerals(34) == "XXXIV", "The calculator can return for 34."); echo $calculator->roman_numerals(34) . "\n"; //test some 20s