MDL-9643 mathslib.php library, unit tests, removed e and pi constants

2007-05-25 06:50:09 +00:00
parent 2d53fa5031
commit ffaa6c4abd
4 changed files with 115 additions and 4 deletions
@@ -0,0 +1,56 @@
+<?php
+
+/* $Id$ */
+
+if (!defined('MOODLE_INTERNAL')) {
+    die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
+}
+
+global $CFG;
+require_once($CFG->libdir . '/simpletestlib.php');
+require_once($CFG->libdir . '/mathslib.php');
+
+class mathsslib_test extends UnitTestCase {
+
+    /**
+     * Tests the basic formula execition
+     */
+    function test__basic() {
+        $calc = new calc_formula('=1+2');
+        $res = $calc->evaluate();
+        $this->assertEqual($res, 3, '3+1 is: %s');
+    }
+
+    /**
+     * Tests the formula params
+     */
+    function test__params() {
+        $calc = new calc_formula('=a+b+c', array('a'=>10,'b'=>20,'c'=>30));
+        $res = $calc->evaluate();
+        $this->assertEqual($res, 60, '10+20+30 is: %s');
+    }
+
+    /**
+     * Tests the formula params
+     */
+    function test__calc_function() {
+        $calc = new calc_formula('=sum(a,b,c)', array('a'=>10,'b'=>20,'c'=>30));
+        $res = $calc->evaluate();
+        $this->assertEqual($res, 60, 'sum(a,b,c) is: %s');
+    }
+
+    /**
+     * Tests the formula changed params
+     */
+    function test__changing_params() {
+        $calc = new calc_formula('=a+b+c', array('a'=>10,'b'=>20,'c'=>30));
+        $res = $calc->evaluate();
+        $this->assertEqual($res, 60, '10+20+30 is: %s');
+        $calc->set_params(array('a'=>1,'b'=>2,'c'=>3));
+        $res = $calc->evaluate();
+        $this->assertEqual($res, 6, '1+2+3 is: %s');
+    }
+
+}
+
+?>