diff --git a/mod/quiz/accessrules.php b/mod/quiz/accessmanager.php
similarity index 99%
rename from mod/quiz/accessrules.php
rename to mod/quiz/accessmanager.php
index d4b8fd35ca3..2bd90e38e27 100644
--- a/mod/quiz/accessrules.php
+++ b/mod/quiz/accessmanager.php
@@ -83,7 +83,7 @@ class quiz_access_manager {
                         $this->quizobj, $this->timenow);
                 $this->rules[] = $this->securewindowrule;
             } else if ($quiz->popup == 2) {
-                $this->safebrowserrule = new quizaccess_securebrowser(
+                $this->safebrowserrule = new quizaccess_safebrowser(
                         $this->quizobj, $this->timenow);
                 $this->rules[] = $this->safebrowserrule;
             }
diff --git a/mod/quiz/accessrule/delaybetweenattempts/simpletest/testrule.php b/mod/quiz/accessrule/delaybetweenattempts/simpletest/testrule.php
new file mode 100644
index 00000000000..dae92e8d476
--- /dev/null
+++ b/mod/quiz/accessrule/delaybetweenattempts/simpletest/testrule.php
@@ -0,0 +1,288 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_delaybetweenattempts plugin.
+ *
+ * @package    quizaccess
+ * @subpackage delaybetweenattempts
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/delaybetweenattempts/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_delaybetweenattempts plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_delaybetweenattempts_test extends UnitTestCase {
+    public function test_just_first_delay() {
+        $quiz = new stdClass();
+        $quiz->attempts = 3;
+        $quiz->timelimit = 0;
+        $quiz->delay1 = 1000;
+        $quiz->delay2 = 0;
+        $quiz->timeclose = 0;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->timefinish = 10000;
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 10000);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $attempt->timefinish = 9000;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $attempt->timefinish = 9001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+    }
+
+    public function test_just_second_delay() {
+        $quiz = new stdClass();
+        $quiz->attempts = 5;
+        $quiz->timelimit = 0;
+        $quiz->delay1 = 0;
+        $quiz->delay2 = 1000;
+        $quiz->timeclose = 0;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->timefinish = 10000;
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 10000);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(5, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $attempt->timefinish = 9000;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $attempt->timefinish = 9001;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+    }
+
+    public function test_just_both_delays() {
+        $quiz = new stdClass();
+        $quiz->attempts = 5;
+        $quiz->timelimit = 0;
+        $quiz->delay1 = 2000;
+        $quiz->delay2 = 1000;
+        $quiz->timeclose = 0;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->timefinish = 10000;
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 10000);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(5, $attempt));
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(12000)));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $attempt->timefinish = 8000;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $attempt->timefinish = 8001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(4, $attempt));
+        $attempt->timefinish = 9000;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $attempt->timefinish = 9001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11001)));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+    }
+
+    public function test_with_close_date() {
+        $quiz = new stdClass();
+        $quiz->attempts = 5;
+        $quiz->timelimit = 0;
+        $quiz->delay1 = 2000;
+        $quiz->delay2 = 1000;
+        $quiz->timeclose = 15000;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->timefinish = 13000;
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 10000);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $attempt->timefinish = 13000;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(15000)));
+        $attempt->timefinish = 13001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youcannotwait', 'quiz'));
+        $attempt->timefinish = 14000;
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(15000)));
+        $attempt->timefinish = 14001;
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youcannotwait', 'quiz'));
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 15000);
+        $attempt->timefinish = 13000;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $attempt->timefinish = 13001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youcannotwait', 'quiz'));
+        $attempt->timefinish = 14000;
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $attempt->timefinish = 14001;
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youcannotwait', 'quiz'));
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 15001);
+        $attempt->timefinish = 13000;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $attempt->timefinish = 13001;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $attempt->timefinish = 14000;
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $attempt->timefinish = 14001;
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+    }
+
+    public function test_time_limit_and_overdue() {
+        $quiz = new stdClass();
+        $quiz->attempts = 5;
+        $quiz->timelimit = 100;
+        $quiz->delay1 = 2000;
+        $quiz->delay2 = 1000;
+        $quiz->timeclose = 0;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->timestart = 9900;
+        $attempt->timefinish = 10100;
+
+        $rule = new quizaccess_delaybetweenattempts($quizobj, 10000);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(5, $attempt));
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(12000)));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $attempt->timestart = 7950;
+        $attempt->timefinish = 8000;
+        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $attempt->timestart = 7950;
+        $attempt->timefinish = 8001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(4, $attempt));
+        $attempt->timestart = 8950;
+        $attempt->timefinish = 9000;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $attempt->timestart = 8950;
+        $attempt->timefinish = 9001;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11001)));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $attempt->timestart = 8900;
+        $attempt->timefinish = 9100;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11000)));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
+        $attempt->timestart = 8901;
+        $attempt->timefinish = 9100;
+        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
+                get_string('youmustwait', 'quiz', userdate(11001)));
+        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
+                get_string('youmustwait', 'quiz', userdate(10001)));
+    }
+}
diff --git a/mod/quiz/accessrule/ipaddress/simpletest/testrule.php b/mod/quiz/accessrule/ipaddress/simpletest/testrule.php
new file mode 100644
index 00000000000..3b1c5a26f0c
--- /dev/null
+++ b/mod/quiz/accessrule/ipaddress/simpletest/testrule.php
@@ -0,0 +1,73 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_ipaddress plugin.
+ *
+ * @package    quizaccess
+ * @subpackage ipaddress
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/ipaddress/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_ipaddress plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_ipaddress_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/ipaddress/rule.php');
+
+    public function test_ipaddress_access_rule() {
+        $quiz = new stdClass();
+        $attempt = new stdClass();
+        $cm = new stdClass();
+        $cm->id = 0;
+
+        // Test the allowed case by getting the user's IP address. However, this
+        // does not always work, for example using the mac install package on my laptop.
+        $quiz->subnet = getremoteaddr(null);
+        if (!empty($quiz->subnet)) {
+            $quiz->questions = '';
+            $quizobj = new quiz($quiz, $cm, null);
+            $rule = new quizaccess_ipaddress($quizobj, 0);
+
+            $this->assertFalse($rule->prevent_access());
+            $this->assertFalse($rule->description());
+            $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+            $this->assertFalse($rule->is_finished(0, $attempt));
+            $this->assertFalse($rule->time_left($attempt, 1));
+        }
+
+        $quiz->subnet = '0.0.0.0';
+        $quiz->questions = '';
+        $quizobj = new quiz($quiz, $cm, null);
+        $rule = new quizaccess_ipaddress($quizobj, 0);
+
+        $this->assertTrue($rule->prevent_access());
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 1));
+    }
+}
diff --git a/mod/quiz/accessrule/numattempts/simpletest/testrule.php b/mod/quiz/accessrule/numattempts/simpletest/testrule.php
new file mode 100644
index 00000000000..9297731352e
--- /dev/null
+++ b/mod/quiz/accessrule/numattempts/simpletest/testrule.php
@@ -0,0 +1,68 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_numattempts plugin.
+ *
+ * @package    quizaccess
+ * @subpackage numattempts
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/numattempts/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_numattempts plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_numattempts_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/numattempts/rule.php');
+
+    public function test_num_attempts_access_rule() {
+        $quiz = new stdClass();
+        $quiz->attempts = 3;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $rule = new quizaccess_numattempts($quizobj, 0);
+        $attempt = new stdClass();
+
+        $this->assertEqual($rule->description(), get_string('attemptsallowedn', 'quiz', 3));
+
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
+        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
+                get_string('nomoreattempts', 'quiz'));
+        $this->assertEqual($rule->prevent_new_attempt(666, $attempt),
+                get_string('nomoreattempts', 'quiz'));
+
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->is_finished(2, $attempt));
+        $this->assertTrue($rule->is_finished(3, $attempt));
+        $this->assertTrue($rule->is_finished(666, $attempt));
+
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->time_left($attempt, 1));
+    }
+}
diff --git a/mod/quiz/accessrule/openclosedate/simpletest/testrule.php b/mod/quiz/accessrule/openclosedate/simpletest/testrule.php
new file mode 100644
index 00000000000..d5a14505ab0
--- /dev/null
+++ b/mod/quiz/accessrule/openclosedate/simpletest/testrule.php
@@ -0,0 +1,180 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_openclosedate plugin.
+ *
+ * @package    quizaccess
+ * @subpackage openclosedate
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/openclosedate/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_openclosedate plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_openclosedate_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/openclosedate/rule.php');
+
+    public function test_no_dates() {
+        $quiz = new stdClass();
+        $quiz->timeopen = 0;
+        $quiz->timeclose = 0;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->preview = 0;
+
+        $rule = new quizaccess_openclosedate($quizobj, 10000);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 10000));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $rule = new quizaccess_openclosedate($quizobj, 0);
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+    }
+
+    public function test_start_date() {
+        $quiz = new stdClass();
+        $quiz->timeopen = 10000;
+        $quiz->timeclose = 0;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->preview = 0;
+
+        $rule = new quizaccess_openclosedate($quizobj, 9999);
+        $this->assertEqual($rule->description(),
+                array(get_string('quiznotavailable', 'quiz', userdate(10000))));
+        $this->assertEqual($rule->prevent_access(),
+                get_string('notavailable', 'quiz'));
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+
+        $rule = new quizaccess_openclosedate($quizobj, 10000);
+        $this->assertEqual($rule->description(),
+                array(get_string('quizopenedon', 'quiz', userdate(10000))));
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 0));
+    }
+
+    public function test_close_date() {
+        $quiz = new stdClass();
+        $quiz->timeopen = 0;
+        $quiz->timeclose = 20000;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->preview = 0;
+
+        $rule = new quizaccess_openclosedate($quizobj, 20000);
+        $this->assertEqual($rule->description(),
+                array(get_string('quizcloseson', 'quiz', userdate(20000))));
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 20000 - QUIZ_SHOW_TIME_BEFORE_DEADLINE));
+        $this->assertEqual($rule->time_left($attempt, 19900), 100);
+        $this->assertEqual($rule->time_left($attempt, 20000), 0);
+        $this->assertEqual($rule->time_left($attempt, 20100), -100);
+
+        $rule = new quizaccess_openclosedate($quizobj, 20001);
+        $this->assertEqual($rule->description(),
+                array(get_string('quizclosed', 'quiz', userdate(20000))));
+        $this->assertEqual($rule->prevent_access(),
+                get_string('notavailable', 'quiz'));
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertTrue($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 20000 - QUIZ_SHOW_TIME_BEFORE_DEADLINE));
+        $this->assertEqual($rule->time_left($attempt, 19900), 100);
+        $this->assertEqual($rule->time_left($attempt, 20000), 0);
+        $this->assertEqual($rule->time_left($attempt, 20100), -100);
+    }
+
+    public function test_both_dates() {
+        $quiz = new stdClass();
+        $quiz->timeopen = 10000;
+        $quiz->timeclose = 20000;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $attempt = new stdClass();
+        $attempt->preview = 0;
+
+        $rule = new quizaccess_openclosedate($quizobj, 9999);
+        $this->assertEqual($rule->description(),
+                array(get_string('quiznotavailable', 'quiz', userdate(10000))));
+        $this->assertEqual($rule->prevent_access(),
+                get_string('notavailable', 'quiz'));
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+
+        $rule = new quizaccess_openclosedate($quizobj, 10000);
+        $this->assertEqual($rule->description(),
+                array(get_string('quizopenedon', 'quiz', userdate(10000)),
+                get_string('quizcloseson', 'quiz', userdate(20000))));
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+
+        $rule = new quizaccess_openclosedate($quizobj, 20000);
+        $this->assertEqual($rule->description(),
+                array(get_string('quizopenedon', 'quiz', userdate(10000)),
+                get_string('quizcloseson', 'quiz', userdate(20000))));
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+
+        $rule = new quizaccess_openclosedate($quizobj, 20001);
+        $this->assertEqual($rule->description(),
+                array(get_string('quizclosed', 'quiz', userdate(20000))));
+        $this->assertEqual($rule->prevent_access(),
+                get_string('notavailable', 'quiz'));
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertTrue($rule->is_finished(0, $attempt));
+
+        $this->assertFalse($rule->time_left($attempt, 20000 - QUIZ_SHOW_TIME_BEFORE_DEADLINE));
+        $this->assertEqual($rule->time_left($attempt, 19900), 100);
+        $this->assertEqual($rule->time_left($attempt, 20000), 0);
+        $this->assertEqual($rule->time_left($attempt, 20100), -100);
+    }
+}
diff --git a/mod/quiz/accessrule/password/simpletest/testrule.php b/mod/quiz/accessrule/password/simpletest/testrule.php
new file mode 100644
index 00000000000..6fb0e12a59b
--- /dev/null
+++ b/mod/quiz/accessrule/password/simpletest/testrule.php
@@ -0,0 +1,57 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_password plugin.
+ *
+ * @package    quizaccess
+ * @subpackage password
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/password/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_password plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_password_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/password/rule.php');
+
+    public function test_password_access_rule() {
+        $quiz = new stdClass();
+        $quiz->password = 'frog';
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $rule = new quizaccess_password($quizobj, 0);
+        $attempt = new stdClass();
+
+        $this->assertFalse($rule->prevent_access());
+        $this->assertEqual($rule->description(), get_string('requirepasswordmessage', 'quiz'));
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 1));
+    }
+}
diff --git a/mod/quiz/accessrule/safebrowser/rule.php b/mod/quiz/accessrule/safebrowser/rule.php
index 84ff0b8de24..9d65f27f954 100644
--- a/mod/quiz/accessrule/safebrowser/rule.php
+++ b/mod/quiz/accessrule/safebrowser/rule.php
@@ -35,9 +35,9 @@ require_once($CFG->dirroot . '/mod/quiz/accessrule/accessrulebase.php');
 * @copyright  2009 Oliver Rahs
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
-class safebrowser_access_rule extends quiz_access_rule_base {
+class quizaccess_safebrowser extends quiz_access_rule_base {
     public function prevent_access() {
-        if (!$this->quizobj->is_preview_user() && !quiz_check_safe_browser()) {
+        if (!$this->check_safe_browser()) {
             return get_string('safebrowsererror', 'quiz');
         } else {
             return false;
@@ -47,4 +47,13 @@ class safebrowser_access_rule extends quiz_access_rule_base {
     public function description() {
         return get_string("safebrowsernotice", "quiz");
     }
+
+    /**
+     * Checks if browser is safe browser
+     *
+     * @return true, if browser is safe browser else false
+     */
+    function check_safe_browser() {
+        return strpos($_SERVER['HTTP_USER_AGENT'], "SEB") !== false;
+    }
 }
diff --git a/mod/quiz/accessrule/safebrowser/simpletest/testrule.php b/mod/quiz/accessrule/safebrowser/simpletest/testrule.php
new file mode 100644
index 00000000000..57dd749a47c
--- /dev/null
+++ b/mod/quiz/accessrule/safebrowser/simpletest/testrule.php
@@ -0,0 +1,60 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_safebrowser plugin.
+ *
+ * @package    quizaccess
+ * @subpackage safebrowser
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/safebrowser/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_safebrowser plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_safebrowser_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/safebrowser/rule.php');
+
+    // Nothing very testable in this class, just test that it obeys the general access rule contact.
+    public function test_safebrowser_access_rule() {
+        $quiz = new stdClass();
+        $quiz->popup = 1;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $rule = new quizaccess_safebrowser($quizobj, 0);
+        $attempt = new stdClass();
+
+        // This next test assumes the unit tests are not being run using Safe Exam Browser!
+        $this->assertEqual(get_string('safebrowsererror', 'quiz'), $rule->prevent_access());
+
+        $this->assertEqual(get_string('safebrowsernotice', 'quiz'), $rule->description());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 1));
+    }
+}
diff --git a/mod/quiz/accessrule/securewindow/simpletest/testrule.php b/mod/quiz/accessrule/securewindow/simpletest/testrule.php
new file mode 100644
index 00000000000..04e08016805
--- /dev/null
+++ b/mod/quiz/accessrule/securewindow/simpletest/testrule.php
@@ -0,0 +1,58 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_securewindow plugin.
+ *
+ * @package    quizaccess
+ * @subpackage securewindow
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/securewindow/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_securewindow plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_securewindow_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/securewindow/rule.php');
+
+    // Nothing very testable in this class, just test that it obeys the general access rule contact.
+    public function test_securewindow_access_rule() {
+        $quiz = new stdClass();
+        $quiz->popup = 1;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $rule = new quizaccess_securewindow($quizobj, 0);
+        $attempt = new stdClass();
+
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->description());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+        $this->assertFalse($rule->time_left($attempt, 1));
+    }
+}
diff --git a/mod/quiz/accessrule/timelimit/simpletest/testrule.php b/mod/quiz/accessrule/timelimit/simpletest/testrule.php
new file mode 100644
index 00000000000..eb1332a8e87
--- /dev/null
+++ b/mod/quiz/accessrule/timelimit/simpletest/testrule.php
@@ -0,0 +1,63 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for the quizaccess_timelimit plugin.
+ *
+ * @package    quizaccess
+ * @subpackage timelimit
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/accessrule/timelimit/rule.php');
+
+
+/**
+ * Unit tests for the quizaccess_timelimit plugin.
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quizaccess_timelimit_test extends UnitTestCase {
+    public static $includecoverage = array('mod/quiz/accessrule/timelimit/rule.php');
+
+    public function test_time_limit_access_rule() {
+        $quiz = new stdClass();
+        $quiz->timelimit = 3600;
+        $quiz->questions = '';
+        $cm = new stdClass();
+        $cm->id = 0;
+        $quizobj = new quiz($quiz, $cm, null);
+        $rule = new quizaccess_timelimit($quizobj, 10000);
+        $attempt = new stdClass();
+
+        $this->assertEqual($rule->description(),
+                get_string('quiztimelimit', 'quiz', format_time(3600)));
+
+        $attempt->timestart = 10000;
+        $this->assertEqual($rule->time_left($attempt, 10000), 3600);
+        $this->assertEqual($rule->time_left($attempt, 12000), 1600);
+        $this->assertEqual($rule->time_left($attempt, 14000), -400);
+
+        $this->assertFalse($rule->prevent_access());
+        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
+        $this->assertFalse($rule->is_finished(0, $attempt));
+    }
+}
diff --git a/mod/quiz/lang/en/quiz.php b/mod/quiz/lang/en/quiz.php
index d8c965c2808..a155ee74bc5 100644
--- a/mod/quiz/lang/en/quiz.php
+++ b/mod/quiz/lang/en/quiz.php
@@ -656,7 +656,7 @@ $string['reviewresponsetoq'] = 'Review response (question {$a})';
 $string['reviewthisattempt'] = 'Review your responses to this attempt';
 $string['rqp'] = 'Remote question';
 $string['rqps'] = 'Remote questions';
-$string['safebrowsererror'] = 'This quiz has been set up so that it may only be attempted using the Safe Exam Browser. You cannot attempt it form this web browser.';
+$string['safebrowsererror'] = 'This quiz has been set up so that it may only be attempted using the Safe Exam Browser. You cannot attempt it from this web browser.';
 $string['safebrowsernotice'] = 'This quiz has been configured so that students may only attempt it using the Safe Exam Browser.';
 $string['sameasoverall'] = 'Same as for overall grades';
 $string['save'] = 'Save';
diff --git a/mod/quiz/locallib.php b/mod/quiz/locallib.php
index ae956d59f50..e5fa7f6cf30 100644
--- a/mod/quiz/locallib.php
+++ b/mod/quiz/locallib.php
@@ -33,7 +33,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 require_once($CFG->dirroot . '/mod/quiz/lib.php');
-require_once($CFG->dirroot . '/mod/quiz/accessrules.php');
+require_once($CFG->dirroot . '/mod/quiz/accessmanager.php');
 require_once($CFG->dirroot . '/mod/quiz/renderer.php');
 require_once($CFG->dirroot . '/mod/quiz/attemptlib.php');
 require_once($CFG->dirroot . '/question/editlib.php');
@@ -1283,15 +1283,6 @@ function quiz_attempt_submitted_handler($event) {
             get_context_instance(CONTEXT_MODULE, $cm->id), $cm);
 }
 
-/**
- * Checks if browser is safe browser
- *
- * @return true, if browser is safe browser else false
- */
-function quiz_check_safe_browser() {
-    return strpos($_SERVER['HTTP_USER_AGENT'], "SEB") !== false;
-}
-
 function quiz_get_js_module() {
     global $PAGE;
 
diff --git a/mod/quiz/simpletest/testaccessmanager.php b/mod/quiz/simpletest/testaccessmanager.php
new file mode 100644
index 00000000000..bc9887d2ee8
--- /dev/null
+++ b/mod/quiz/simpletest/testaccessmanager.php
@@ -0,0 +1,70 @@
+<?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 access manager class.
+ *
+ * @package    mod
+ * @subpackage quiz
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/quiz/locallib.php');
+
+
+/**
+ * Unit tests for the access manager class
+ *
+ * @copyright  2008 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class quiz_access_manager_test extends UnitTestCase {
+    public function test_cannot_review_message() {
+        $quiz = new stdClass();
+        $quiz->reviewattempt = 0x10010;
+        $quiz->timeclose = 0;
+        $quiz->attempts = 0;
+        $quiz->questions = '1,2,0,3,4,0';
+
+        $cm = new stdClass();
+        $cm->id = 123;
+
+        $quizobj = new quiz($quiz, $cm, new stdClass(), false);
+
+        $am = new quiz_access_manager($quizobj, time(), false);
+
+        $this->assertEqual('',
+                $am->cannot_review_message(mod_quiz_display_options::DURING));
+        $this->assertEqual('',
+                $am->cannot_review_message(mod_quiz_display_options::IMMEDIATELY_AFTER));
+        $this->assertEqual(get_string('noreview', 'quiz'),
+                $am->cannot_review_message(mod_quiz_display_options::LATER_WHILE_OPEN));
+        $this->assertEqual(get_string('noreview', 'quiz'),
+                $am->cannot_review_message(mod_quiz_display_options::AFTER_CLOSE));
+
+        $closetime = time() + 10000;
+        $quiz->timeclose = $closetime;
+        $quizobj = new quiz($quiz, $cm, new stdClass(), false);
+        $am = new quiz_access_manager($quizobj, time(), false);
+
+        $this->assertEqual(get_string('noreviewuntil', 'quiz', userdate($closetime)),
+                $am->cannot_review_message(mod_quiz_display_options::LATER_WHILE_OPEN));
+    }
+}
diff --git a/mod/quiz/simpletest/testaccessrules.php b/mod/quiz/simpletest/testaccessrules.php
deleted file mode 100644
index 8048b37a4cb..00000000000
--- a/mod/quiz/simpletest/testaccessrules.php
+++ /dev/null
@@ -1,614 +0,0 @@
-<?php
-// This file is part of Moodle - http://moodle.org/
-//
-// Moodle is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Moodle is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
-
-/**
- * Unit tests for (some of) mod/quiz/accessrules.php.
- *
- * @package    mod
- * @subpackage quiz
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-
-
-defined('MOODLE_INTERNAL') || die();
-
-require_once($CFG->dirroot . '/mod/quiz/locallib.php');
-
-
-/**
- * Unit tests for (some of) mod/quiz/accessrules.php.
- *
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class simple_rules_test extends UnitTestCase {
-    public static $includecoverage = array('mod/quiz/locallib.php');
-    public function test_num_attempts_access_rule() {
-        $quiz = new stdClass();
-        $quiz->attempts = 3;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $rule = new num_attempts_access_rule($quizobj, 0);
-        $attempt = new stdClass();
-
-        $this->assertEqual($rule->description(), get_string('attemptsallowedn', 'quiz', 3));
-
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
-                get_string('nomoreattempts', 'quiz'));
-        $this->assertEqual($rule->prevent_new_attempt(666, $attempt),
-                get_string('nomoreattempts', 'quiz'));
-
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->is_finished(2, $attempt));
-        $this->assertTrue($rule->is_finished(3, $attempt));
-        $this->assertTrue($rule->is_finished(666, $attempt));
-
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->time_left($attempt, 1));
-    }
-
-    public function test_ipaddress_access_rule() {
-        $quiz = new stdClass();
-        $attempt = new stdClass();
-        $cm = new stdClass();
-        $cm->id = 0;
-
-        // Test the allowed case by getting the user's IP address. However, this
-        // does not always work, for example using the mac install package on my laptop.
-        $quiz->subnet = getremoteaddr(null);
-        if (!empty($quiz->subnet)) {
-            $quiz->questions = '';
-            $quizobj = new quiz($quiz, $cm, null);
-            $rule = new ipaddress_access_rule($quizobj, 0);
-            $this->assertFalse($rule->prevent_access());
-            $this->assertFalse($rule->description());
-            $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-            $this->assertFalse($rule->is_finished(0, $attempt));
-            $this->assertFalse($rule->time_left($attempt, 1));
-        }
-
-        $quiz->subnet = '0.0.0.0';
-        $quiz->questions = '';
-        $quizobj = new quiz($quiz, $cm, null);
-        $rule = new ipaddress_access_rule($quizobj, 0);
-        $this->assertTrue($rule->prevent_access());
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 1));
-    }
-
-    public function test_time_limit_access_rule() {
-        $quiz = new stdClass();
-        $quiz->timelimit = 3600;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $rule = new time_limit_access_rule($quizobj, 10000);
-        $attempt = new stdClass();
-
-        $this->assertEqual($rule->description(),
-                get_string('quiztimelimit', 'quiz', format_time(3600)));
-
-        $attempt->timestart = 10000;
-        $this->assertEqual($rule->time_left($attempt, 10000), 3600);
-        $this->assertEqual($rule->time_left($attempt, 12000), 1600);
-        $this->assertEqual($rule->time_left($attempt, 14000), -400);
-
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-    }
-}
-
-
-/**
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class open_close_date_access_rule_test extends UnitTestCase {
-    public function test_no_dates() {
-        $quiz = new stdClass();
-        $quiz->timeopen = 0;
-        $quiz->timeclose = 0;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->preview = 0;
-
-        $rule = new open_close_date_access_rule($quizobj, 10000);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 10000));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $rule = new open_close_date_access_rule($quizobj, 0);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-    }
-
-    public function test_start_date() {
-        $quiz = new stdClass();
-        $quiz->timeopen = 10000;
-        $quiz->timeclose = 0;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->preview = 0;
-
-        $rule = new open_close_date_access_rule($quizobj, 9999);
-        $this->assertEqual($rule->description(),
-                array(get_string('quiznotavailable', 'quiz', userdate(10000))));
-        $this->assertEqual($rule->prevent_access(),
-                get_string('notavailable', 'quiz'));
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $rule = new open_close_date_access_rule($quizobj, 10000);
-        $this->assertEqual($rule->description(),
-                array(get_string('quizopenedon', 'quiz', userdate(10000))));
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-    }
-
-    public function test_close_date() {
-        $quiz = new stdClass();
-        $quiz->timeopen = 0;
-        $quiz->timeclose = 20000;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->preview = 0;
-
-        $rule = new open_close_date_access_rule($quizobj, 20000);
-        $this->assertEqual($rule->description(),
-                array(get_string('quizcloseson', 'quiz', userdate(20000))));
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 20000 - QUIZ_SHOW_TIME_BEFORE_DEADLINE));
-        $this->assertEqual($rule->time_left($attempt, 19900), 100);
-        $this->assertEqual($rule->time_left($attempt, 20000), 0);
-        $this->assertEqual($rule->time_left($attempt, 20100), -100);
-
-        $rule = new open_close_date_access_rule($quizobj, 20001);
-        $this->assertEqual($rule->description(),
-                array(get_string('quizclosed', 'quiz', userdate(20000))));
-        $this->assertEqual($rule->prevent_access(),
-                get_string('notavailable', 'quiz'));
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertTrue($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 20000 - QUIZ_SHOW_TIME_BEFORE_DEADLINE));
-        $this->assertEqual($rule->time_left($attempt, 19900), 100);
-        $this->assertEqual($rule->time_left($attempt, 20000), 0);
-        $this->assertEqual($rule->time_left($attempt, 20100), -100);
-    }
-
-    public function test_both_dates() {
-        $quiz = new stdClass();
-        $quiz->timeopen = 10000;
-        $quiz->timeclose = 20000;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->preview = 0;
-
-        $rule = new open_close_date_access_rule($quizobj, 9999);
-        $this->assertEqual($rule->description(),
-                array(get_string('quiznotavailable', 'quiz', userdate(10000))));
-        $this->assertEqual($rule->prevent_access(),
-                get_string('notavailable', 'quiz'));
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-
-        $rule = new open_close_date_access_rule($quizobj, 10000);
-        $this->assertEqual($rule->description(),
-                array(get_string('quizopenedon', 'quiz', userdate(10000)),
-                get_string('quizcloseson', 'quiz', userdate(20000))));
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-
-        $rule = new open_close_date_access_rule($quizobj, 20000);
-        $this->assertEqual($rule->description(),
-                array(get_string('quizopenedon', 'quiz', userdate(10000)),
-                get_string('quizcloseson', 'quiz', userdate(20000))));
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-
-        $rule = new open_close_date_access_rule($quizobj, 20001);
-        $this->assertEqual($rule->description(),
-                array(get_string('quizclosed', 'quiz', userdate(20000))));
-        $this->assertEqual($rule->prevent_access(),
-                get_string('notavailable', 'quiz'));
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertTrue($rule->is_finished(0, $attempt));
-
-        $this->assertFalse($rule->time_left($attempt, 20000 - QUIZ_SHOW_TIME_BEFORE_DEADLINE));
-        $this->assertEqual($rule->time_left($attempt, 19900), 100);
-        $this->assertEqual($rule->time_left($attempt, 20000), 0);
-        $this->assertEqual($rule->time_left($attempt, 20100), -100);
-    }
-}
-
-
-/**
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class inter_attempt_delay_access_rule_test extends UnitTestCase {
-    public function test_just_first_delay() {
-        $quiz = new stdClass();
-        $quiz->attempts = 3;
-        $quiz->timelimit = 0;
-        $quiz->delay1 = 1000;
-        $quiz->delay2 = 0;
-        $quiz->timeclose = 0;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->timefinish = 10000;
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 10000);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $attempt->timefinish = 9000;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $attempt->timefinish = 9001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-    }
-
-    public function test_just_second_delay() {
-        $quiz = new stdClass();
-        $quiz->attempts = 5;
-        $quiz->timelimit = 0;
-        $quiz->delay1 = 0;
-        $quiz->delay2 = 1000;
-        $quiz->timeclose = 0;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->timefinish = 10000;
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 10000);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(5, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $attempt->timefinish = 9000;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $attempt->timefinish = 9001;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-    }
-
-    public function test_just_both_delays() {
-        $quiz = new stdClass();
-        $quiz->attempts = 5;
-        $quiz->timelimit = 0;
-        $quiz->delay1 = 2000;
-        $quiz->delay2 = 1000;
-        $quiz->timeclose = 0;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->timefinish = 10000;
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 10000);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(5, $attempt));
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(12000)));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $attempt->timefinish = 8000;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $attempt->timefinish = 8001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(4, $attempt));
-        $attempt->timefinish = 9000;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $attempt->timefinish = 9001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11001)));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-    }
-
-    public function test_with_close_date() {
-        $quiz = new stdClass();
-        $quiz->attempts = 5;
-        $quiz->timelimit = 0;
-        $quiz->delay1 = 2000;
-        $quiz->delay2 = 1000;
-        $quiz->timeclose = 15000;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->timefinish = 13000;
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 10000);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $attempt->timefinish = 13000;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(15000)));
-        $attempt->timefinish = 13001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youcannotwait', 'quiz'));
-        $attempt->timefinish = 14000;
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(15000)));
-        $attempt->timefinish = 14001;
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youcannotwait', 'quiz'));
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 15000);
-        $attempt->timefinish = 13000;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $attempt->timefinish = 13001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youcannotwait', 'quiz'));
-        $attempt->timefinish = 14000;
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $attempt->timefinish = 14001;
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youcannotwait', 'quiz'));
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 15001);
-        $attempt->timefinish = 13000;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $attempt->timefinish = 13001;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $attempt->timefinish = 14000;
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $attempt->timefinish = 14001;
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-    }
-
-    public function test_time_limit_and_overdue() {
-        $quiz = new stdClass();
-        $quiz->attempts = 5;
-        $quiz->timelimit = 100;
-        $quiz->delay1 = 2000;
-        $quiz->delay2 = 1000;
-        $quiz->timeclose = 0;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $attempt = new stdClass();
-        $attempt->timestart = 9900;
-        $attempt->timefinish = 10100;
-
-        $rule = new inter_attempt_delay_access_rule($quizobj, 10000);
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 0));
-
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(5, $attempt));
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(12000)));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertEqual($rule->prevent_new_attempt(3, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $attempt->timestart = 7950;
-        $attempt->timefinish = 8000;
-        $this->assertFalse($rule->prevent_new_attempt(1, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $attempt->timestart = 7950;
-        $attempt->timefinish = 8001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(4, $attempt));
-        $attempt->timestart = 8950;
-        $attempt->timefinish = 9000;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $attempt->timestart = 8950;
-        $attempt->timefinish = 9001;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11001)));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $attempt->timestart = 8900;
-        $attempt->timefinish = 9100;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11000)));
-        $this->assertFalse($rule->prevent_new_attempt(2, $attempt));
-        $this->assertFalse($rule->prevent_new_attempt(3, $attempt));
-        $attempt->timestart = 8901;
-        $attempt->timefinish = 9100;
-        $this->assertEqual($rule->prevent_new_attempt(1, $attempt),
-                get_string('youmustwait', 'quiz', userdate(11001)));
-        $this->assertEqual($rule->prevent_new_attempt(2, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-        $this->assertEqual($rule->prevent_new_attempt(4, $attempt),
-                get_string('youmustwait', 'quiz', userdate(10001)));
-    }
-}
-
-
-/**
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class password_access_rule_test extends UnitTestCase {
-    public function test_password_access_rule() {
-        $quiz = new stdClass();
-        $quiz->password = 'frog';
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $rule = new password_access_rule($quizobj, 0);
-        $attempt = new stdClass();
-
-        $this->assertFalse($rule->prevent_access());
-        $this->assertEqual($rule->description(), get_string('requirepasswordmessage', 'quiz'));
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 1));
-    }
-}
-
-
-/**
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class securewindow_access_rule_test extends UnitTestCase {
-    // Nothing very testable in this class, just test that it obeys the general access rule contact.
-
-    public function test_securewindow_access_rule() {
-        $quiz = new stdClass();
-        $quiz->popup = 1;
-        $quiz->questions = '';
-        $cm = new stdClass();
-        $cm->id = 0;
-        $quizobj = new quiz($quiz, $cm, null);
-        $rule = new securewindow_access_rule($quizobj, 0);
-        $attempt = new stdClass();
-
-        $this->assertFalse($rule->prevent_access());
-        $this->assertFalse($rule->description());
-        $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
-        $this->assertFalse($rule->is_finished(0, $attempt));
-        $this->assertFalse($rule->time_left($attempt, 1));
-    }
-}
-
-
-/**
- * @copyright  2008 The Open University
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class quiz_access_manager_test extends UnitTestCase {
-    public function test_cannot_review_message() {
-        $quiz = new stdClass();
-        $quiz->reviewattempt = 0x10010;
-        $quiz->timeclose = 0;
-        $quiz->attempts = 0;
-        $quiz->questions = '1,2,0,3,4,0';
-
-        $cm = new stdClass();
-        $cm->id = 123;
-
-        $quizobj = new quiz($quiz, $cm, new stdClass(), false);
-
-        $am = new quiz_access_manager($quizobj, time(), false);
-
-        $this->assertEqual('',
-                $am->cannot_review_message(mod_quiz_display_options::DURING));
-        $this->assertEqual('',
-                $am->cannot_review_message(mod_quiz_display_options::IMMEDIATELY_AFTER));
-        $this->assertEqual(get_string('noreview', 'quiz'),
-                $am->cannot_review_message(mod_quiz_display_options::LATER_WHILE_OPEN));
-        $this->assertEqual(get_string('noreview', 'quiz'),
-                $am->cannot_review_message(mod_quiz_display_options::AFTER_CLOSE));
-
-        $closetime = time() + 10000;
-        $quiz->timeclose = $closetime;
-        $quizobj = new quiz($quiz, $cm, new stdClass(), false);
-        $am = new quiz_access_manager($quizobj, time(), false);
-
-        $this->assertEqual(get_string('noreviewuntil', 'quiz', userdate($closetime)),
-                $am->cannot_review_message(mod_quiz_display_options::LATER_WHILE_OPEN));
-    }
-}