1 files changed, 51 insertions, 0 deletions
diff --git a/tests/parser_exception_test.php b/tests/parser_exception_test.php
new file mode 100644
index 0000000..d73f766
--- /dev/null
+++ b/tests/parser_exception_test.php
@@ -0,0 +1,51 @@
+<?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  2017 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 the algebra question parser.
+ *
+ * @copyright  2017 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 {
+    /**
+     * Test parsing an invalid exprssion
+     */
+    public function test_parser_invalid() {
+        $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(');
+    }
+}