PHPUnit tests for a prime number calculator.

test.php

---- test.php ----


/**
*   Unit tests for the prime number calculator included 
*
*   
*/

<?php
require_once 'PHPUnit.php';
require_once 'calcprime.php';

class PrimeTest extends PHPUnit_TestCase
{
     // constructor of the test suite
    function PrimeTest($name) {
       $this->PHPUnit_TestCase($name);
    }

    public function testSinglePrimeNumbers()
    {
        // Check known prime.
        $number = '1409';
        $this->assertTrue(isPrime($number));
    }

    public function testSingleNonPrimeNumbers()
    {
        // Check known non-prime.
        $number = '4';
        $this->assertFalse(isPrime($number));
    }

    public function testNextTen() 
    {
        //Check known list of ten primes.
        $primes = array(547,557,563,569,571,577,587,593,599,601);
        $foundprimes = nextPrimes(546);
        $this->assertEquals($primes, $foundprimes);

        //Fail the test to make sure we are doing as we expect
        $foundprimes = nextPrimes(563);
        $this->assertFalse($primes == $foundprimes);

        //Check upper bound
        //See http://primes.utm.edu/lists/small/10000.txt
        $primes = array(99991);
        $foundprimes = nextPrimes(99990);
        $this->assertEquals($primes, $foundprimes);
    }

    public function testInRange()
    {
        //strings should fail
        $this->assertFalse(checkInRange('bob'));
        //negative numbers should fail
        $this->assertFalse(checkInRange(-5));
        //zero should fail
        $this->assertFalse(checkInRange(0));
        //positive integer less than 100,000 should pass
        $this->assertTrue(checkInRange(5));
        //numbers greater than 100,000 should fail
        $this->assertFalse(checkInRange(500000));
        //string values with commas should pass
        $this->assertTrue(checkInRange('1,200'));
    }
}

$suite  = new PHPUnit_TestSuite("PrimeTest");
$result = PHPUnit::run($suite);

echo $result -> toString();

?>