moodle/lib/simpletest/testmathslib.php

82 lines
2.3 KiB
PHP
Executable File

<?php
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
}
require_once($CFG->libdir . '/mathslib.php');
/**
* Unit tests of mathslib wrapper and underlying EvalMath library.
*
* @author Petr Skoda (skodak)
* @version $Id$
*/
class mathsslib_test extends UnitTestCase {
public static $includecoverage = array('lib/mathslib.php');
/**
* Tests the basic formula evaluation
*/
function test__basic() {
$formula = new calc_formula('=1+2');
$res = $formula->evaluate();
$this->assertEqual($res, 3, '3+1 is: %s');
}
/**
* Tests the formula params
*/
function test__params() {
$formula = new calc_formula('=a+b+c', array('a'=>10,'b'=>20,'c'=>30));
$res = $formula->evaluate();
$this->assertEqual($res, 60, '10+20+30 is: %s');
}
/**
* Tests the changed params
*/
function test__changing_params() {
$formula = new calc_formula('=a+b+c', array('a'=>10,'b'=>20,'c'=>30));
$res = $formula->evaluate();
$this->assertEqual($res, 60, '10+20+30 is: %s');
$formula->set_params(array('a'=>1,'b'=>2,'c'=>3));
$res = $formula->evaluate();
$this->assertEqual($res, 6, 'changed params 1+2+3 is: %s');
}
/**
* Tests the spreadsheet emulation function in formula
*/
function test__calc_function() {
$formula = new calc_formula('=sum(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
$res = $formula->evaluate();
$this->assertEqual($res, 60, 'sum(a,b,c) is: %s');
}
/**
* Tests the min and max functions
*/
function test__minmax_function() {
$formula = new calc_formula('=min(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
$res = $formula->evaluate();
$this->assertEqual($res, 10, 'minimum is: %s');
$formula = new calc_formula('=max(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
$res = $formula->evaluate();
$this->assertEqual($res, 30, 'maximum is: %s');
}
/**
* Tests special chars
*/
function test__specialchars() {
$formula = new calc_formula('=gi1 + gi2 + gi11', array('gi1'=>10,'gi2'=>20,'gi11'=>30));
$res = $formula->evaluate();
$this->assertEqual($res, 60, 'sum is: %s');
}
}
?>