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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Unit tests for the short answer question definition class.
*
* @package qtype_algebra
* @copyright 2018 Jean-Michel Vedrine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
require_once($CFG->dirroot . '/question/type/algebra/tests/helper.php');
require_once($CFG->dirroot . '/question/type/algebra/parser.php');
/**
* Unit tests for exceptions of the algebra question parser.
*
* @copyright 2018 Jean-Michel Vedrine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_algebra_parser_exception_test extends advanced_testcase {
/**
* No close bracket.
*/
public function test_parser_mismatched_brackets() {
$this->expectException('parser_exception');
$this->expectExceptionMessage('Mismatched brackets: Open bracket without a close bracket found');
$p = new qtype_algebra_parser;
$expr = $p->parse('sin(2x) + cos(');
}
/**
* Wrong number of arguments for function.
*/
public function test_parser_wrong_arguments_number() {
$this->expectException('parser_exception');
$this->expectExceptionMessage('Syntax Error: Operator '^' requires two arguments');
$p = new qtype_algebra_parser;
$expr = $p->parse('x^');
}
/**
* Plus or minus in an invalid location.
*/
public function test_parser_invalid_minus() {
$this->expectException('parser_exception');
$this->expectExceptionMessage('Found a + or - in an invalid location');
$p = new qtype_algebra_parser;
$expr = $p->parse('(-)');
}
/**
* Operator missing one argument.
*/
public function test_parser_invalid_minus() {
$this->expectException('parser_exception');
$this->expectExceptionMessage('Syntax Error: Operator '-' requires two arguments');
$p = new qtype_algebra_parser;
$expr = $p->parse('x-');
}
}
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