test/libraries/common/PMA_pow_test.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Tests for PMA_pow() function from common.lib.php
   5  *
   6  * @package phpMyAdmin-test
   7  * @version $Id: PMA_pow_test.php
   8  * @group common.lib-tests
   9  */
  10
  11 /*
  12  * Include to test.
  13  */
  14 require_once 'libraries/common.lib.php';
  15
  16 class PMA_pow_test extends PHPUnit_Framework_TestCase
  17 {
  18     public function testIntOverflow()
  19     {
  20         $this->assertEquals('1267650600228229401496703205376',
  21             PMA_pow(2, 100));
  22     }
  23
  24     public function testBcpow()
  25     {
  26         if (function_exists('bcpow')) {
  27             $this->assertEquals('1267650600228229401496703205376',
  28                 PMA_pow(2, 100, 'bcpow'));
  29         } else {
  30             $this->markTestSkipped('function bcpow() does not exist');
  31         }
  32     }
  33
  34     public function testGmppow()
  35     {
  36         if (function_exists('gmp_pow')) {
  37             $this->assertEquals('1267650600228229401496703205376',
  38                 PMA_pow(2, 100, 'gmp_pow'));
  39         } else {
  40             $this->markTestSkipped('function gmp_pow() does not exist');
  41         }
  42     }
  43
  44     public function _testNegativeExp()
  45     {
  46         $this->assertEquals(0.25,
  47             PMA_pow(2, -2));
  48     }
  49
  50     public function _testNegativeExpPow()
  51     {
  52         if (function_exists('pow')) {
  53             $this->assertEquals(0.25,
  54                 PMA_pow(2, -2, 'pow'));
  55         } else {
  56             $this->markTestSkipped('function pow() does not exist');
  57         }
  58     }
  59
  60     public function _testNegativeExpBcpow()
  61     {
  62         if (function_exists('bcpow')) {
  63             $this->assertEquals(0.25,
  64                 PMA_pow(2, -2, 'bcpow'));
  65         } else {
  66             $this->markTestSkipped('function bcpow() does not exist');
  67         }
  68     }
  69
  70     public function _testNegativeExpGmppow()
  71     {
  72         if (function_exists('gmp_pow')) {
  73             $this->assertEquals(0.25,
  74                 PMA_pow(2, -2, 'gmp_pow'));
  75         } else {
  76             $this->markTestSkipped('function gmp_pow() does not exist');
  77         }
  78     }
  79 }
  80 ?>