lib/simpletest/testmathslib.php

   1 <?php
   2
   3 if (!defined('MOODLE_INTERNAL')) {
   4     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   5 }
   6
   7 require_once($CFG->libdir . '/mathslib.php');
   8
   9 /**
  10  * Unit tests of mathslib wrapper and underlying EvalMath library.
  11  *
  12  * @author Petr Skoda (skodak)
  13  * @version $Id$
  14  */
  15 class mathsslib_test extends UnitTestCase {
  16
  17     /**
  18      * Tests the basic formula evaluation
  19      */
  20     function test__basic() {
  21         $formula = new calc_formula('=1+2');
  22         $res = $formula->evaluate();
  23         $this->assertEqual($res, 3, '3+1 is: %s');
  24     }
  25
  26     /**
  27      * Tests the formula params
  28      */
  29     function test__params() {
  30         $formula = new calc_formula('=a+b+c', array('a'=>10,'b'=>20,'c'=>30));
  31         $res = $formula->evaluate();
  32         $this->assertEqual($res, 60, '10+20+30 is: %s');
  33     }
  34
  35     /**
  36      * Tests the changed params
  37      */
  38     function test__changing_params() {
  39         $formula = new calc_formula('=a+b+c', array('a'=>10,'b'=>20,'c'=>30));
  40         $res = $formula->evaluate();
  41         $this->assertEqual($res, 60, '10+20+30 is: %s');
  42         $formula->set_params(array('a'=>1,'b'=>2,'c'=>3));
  43         $res = $formula->evaluate();
  44         $this->assertEqual($res, 6, 'changed params 1+2+3 is: %s');
  45     }
  46
  47     /**
  48      * Tests the spreadsheet emulation function in formula
  49      */
  50     function test__calc_function() {
  51         $formula = new calc_formula('=sum(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
  52         $res = $formula->evaluate();
  53         $this->assertEqual($res, 60, 'sum(a,b,c) is: %s');
  54     }
  55
  56     /**
  57      * Tests the min and max functions
  58      */
  59     function test__minmax_function() {
  60         $formula = new calc_formula('=min(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
  61         $res = $formula->evaluate();
  62         $this->assertEqual($res, 10, 'minimum is: %s');
  63         $formula = new calc_formula('=max(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
  64         $res = $formula->evaluate();
  65         $this->assertEqual($res, 30, 'maximum is: %s');
  66     }
  67
  68     /**
  69      * Tests special chars
  70      */
  71     function test__specialchars() {
  72         $formula = new calc_formula('=gi1 + gi2 + gi11', array('gi1'=>10,'gi2'=>20,'gi11'=>30));
  73         $res = $formula->evaluate();
  74         $this->assertEqual($res, 60, 'sum is: %s');
  75     }
  76
  77 }
  78
  79 ?>