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accesslib_has_capability_test....	29.73 KB	-rw-rw-r--
accesslib_test.php	219.29 KB	-rw-rw-r--
adhoc_task_test.php	18.44 KB	-rw-rw-r--
adminlib_test.php	4.38 KB	-rw-rw-r--
admintree_test.php	17.32 KB	-rw-r--r--
ajaxlib_test.php	4.36 KB	-rw-rw-r--
analysers_test.php	12.95 KB	-rw-r--r--
antivirus_test.php	8.69 KB	-rw-rw-r--
authlib_test.php	19.91 KB	-rw-r--r--
blocklib_test.php	35.27 KB	-rw-rw-r--
calendar_cron_task_test.php	2.69 KB	-rw-rw-r--
check_test.php	1.97 KB	-rw-r--r--
client_test.php	4.34 KB	-rw-r--r--
collator_test.php	11.99 KB	-rw-r--r--
completion_daily_task_test.php	5.24 KB	-rw-r--r--
completionlib_test.php	62.1 KB	-rw-rw-r--
component_test.php	40.17 KB	-rw-rw-r--
componentlib_test.php	6.64 KB	-rw-r--r--
configonlylib_test.php	6.15 KB	-rw-r--r--
content_test.php	4.77 KB	-rw-r--r--
core_media_player_native_test....	6.54 KB	-rw-r--r--
core_renderer_template_exploit...	17.28 KB	-rw-r--r--
coverage.php	1.93 KB	-rw-rw-r--
cronlib_test.php	6.89 KB	-rw-r--r--
csslib_test.php	1.79 KB	-rw-r--r--
csvclass_test.php	5.57 KB	-rw-r--r--
curl_security_helper_test.php	14.71 KB	-rw-r--r--
customcontext_test.php	3.79 KB	-rw-r--r--
dataformat_test.php	3.74 KB	-rw-r--r--
datalib_test.php	47.8 KB	-rw-r--r--
datalib_update_with_unique_ind...	6.31 KB	-rw-r--r--
date_legacy_test.php	13.9 KB	-rw-r--r--
date_test.php	24.48 KB	-rw-rw-r--
editorlib_test.php	2.01 KB	-rw-r--r--
encryption_test.php	8.68 KB	-rw-r--r--
environment_test.php	8.54 KB	-rw-r--r--
event_context_locked_test.php	4.11 KB	-rw-r--r--
event_course_module_instance_l...	2.7 KB	-rw-r--r--
event_course_module_viewed.php	3.33 KB	-rw-r--r--
event_deprecated_test.php	1.49 KB	-rw-r--r--
event_grade_deleted_test.php	3.25 KB	-rw-r--r--
event_profile_field_test.php	12.44 KB	-rw-r--r--
event_unknown_logged_test.php	1.92 KB	-rw-r--r--
event_user_graded_test.php	10.07 KB	-rw-r--r--
event_user_password_updated_te...	2.89 KB	-rw-r--r--
exporter_test.php	11.02 KB	-rw-r--r--
externallib_test.php	29.7 KB	-rw-r--r--
filelib_test.php	70.92 KB	-rw-rw-r--
filestorage_zip_archive_test.p...	2.75 KB	-rw-r--r--
filetypes_test.php	10.2 KB	-rw-r--r--
filter_manager_test.php	3.48 KB	-rw-r--r--
filterlib_test.php	36.72 KB	-rw-r--r--
formslib_test.php	39.6 KB	-rw-r--r--
gdlib_test.php	5.92 KB	-rw-r--r--
googlelib_test.php	1.54 KB	-rw-r--r--
gradelib_test.php	9.74 KB	-rw-r--r--
grades_externallib_test.php	24.66 KB	-rw-rw-r--
grading_externallib_test.php	26.27 KB	-rw-r--r--
grouplib_test.php	84.23 KB	-rw-rw-r--
h5p_clean_orphaned_records_tas...	3.12 KB	-rw-r--r--
h5p_get_content_types_task_tes...	2.69 KB	-rw-r--r--
html2text_test.php	7.58 KB	-rw-r--r--
html_writer_test.php	8.74 KB	-rw-rw-r--
htmlpurifier_test.php	22.67 KB	-rw-r--r--
ip_utils_test.php	14.27 KB	-rw-r--r--
jquery_test.php	1.76 KB	-rw-r--r--
ldaplib_test.php	17.72 KB	-rw-r--r--
licenselib_test.php	11.58 KB	-rw-r--r--
lock_config_test.php	3.39 KB	-rw-r--r--
lock_test.php	5.5 KB	-rw-r--r--
markdown_test.php	2.45 KB	-rw-r--r--
mathslib_test.php	11.12 KB	-rw-r--r--
medialib_test.php	20.19 KB	-rw-rw-r--
message_test.php	12.46 KB	-rw-rw-r--
messageinbound_test.php	5.89 KB	-rw-r--r--
messagelib_test.php	56.39 KB	-rw-rw-r--
minify_test.php	3.14 KB	-rw-r--r--
modinfolib_test.php	44.15 KB	-rw-rw-r--
moodle_page_test.php	29.58 KB	-rw-rw-r--
moodle_url_test.php	12.85 KB	-rw-r--r--
moodlelib_test.php	216.85 KB	-rw-rw-r--
mustache_template_finder_test....	7.4 KB	-rw-r--r--
mustache_template_source_loade...	18.06 KB	-rw-r--r--
myprofilelib_test.php	10.44 KB	-rw-r--r--
navigationlib_test.php	26.28 KB	-rw-rw-r--
notification_test.php	4.61 KB	-rw-r--r--
oauth2_test.php	17.57 KB	-rw-r--r--
output_mustache_helper_collect...	8.09 KB	-rw-r--r--
outputcomponents_test.php	29.67 KB	-rw-r--r--
outputfactories_test.php	6.8 KB	-rw-r--r--
outputrequirementslib_test.php	5.38 KB	-rw-r--r--
pdflib_test.php	1.51 KB	-rw-r--r--
persistent_test.php	19.95 KB	-rw-rw-r--
plugin_manager_test.php	27.39 KB	-rw-r--r--
portfoliolib_test.php	8.4 KB	-rw-r--r--
progress_display_test.php	3.75 KB	-rw-r--r--
progress_test.php	14.48 KB	-rw-r--r--
qrcode_test.php	1.88 KB	-rw-r--r--
questionlib_test.php	96.9 KB	-rw-rw-r--
regex_test.php	1.88 KB	-rw-r--r--
report_helper_test.php	3.68 KB	-rw-rw-r--
requirejs_test.php	3.73 KB	-rw-r--r--
rsslib_test.php	6.9 KB	-rw-r--r--
rtlcss_test.php	56.86 KB	-rw-r--r--
sample_questions.ser	141.76 KB	-rw-r--r--
sample_questions.xml	102.62 KB	-rw-r--r--
sample_questions_with_old_imag...	4.85 KB	-rw-r--r--
sample_questions_with_old_imag...	4.08 KB	-rw-r--r--
sample_questions_wrong.xml	102.57 KB	-rw-r--r--
scheduled_task_test.php	29.98 KB	-rw-rw-r--
scss_test.php	4.26 KB	-rw-r--r--
session_manager_test.php	33.96 KB	-rw-r--r--
session_redis_test.php	13.27 KB	-rw-r--r--
sessionlib_test.php	11.86 KB	-rw-r--r--
setuplib_test.php	19.63 KB	-rw-r--r--
statslib_test.php	26.75 KB	-rw-r--r--
string_manager_standard_test.p...	10.05 KB	-rw-rw-r--
tablelib_test.php	23.53 KB	-rw-r--r--
task_database_logger_test.php	20.15 KB	-rw-r--r--
task_logging_test.php	17.31 KB	-rw-r--r--
task_manager_test.php	11.2 KB	-rw-r--r--
task_running_test.php	6.58 KB	-rw-r--r--
text_test.php	21.09 KB	-rw-rw-r--
theme_config_test.php	9.81 KB	-rw-rw-r--
time_splittings_test.php	15.09 KB	-rw-r--r--
update_api_test.php	6.75 KB	-rw-r--r--
update_checker_test.php	10.86 KB	-rw-r--r--
update_code_manager_test.php	9.06 KB	-rw-r--r--
update_validator_test.php	18.44 KB	-rw-r--r--
upgrade_util_test.php	5.65 KB	-rw-r--r--
upgradelib_test.php	69.1 KB	-rw-rw-r--
user_menu_test.php	3.82 KB	-rw-rw-r--
user_test.php	32.36 KB	-rw-rw-r--
useragent_test.php	83.88 KB	-rw-rw-r--
weblib_format_text_test.php	12.11 KB	-rw-r--r--
weblib_test.php	35.1 KB	-rw-rw-r--
xhprof_test.php	3.32 KB	-rw-r--r--
xhtml_container_stack_test.php	4.16 KB	-rw-r--r--
xmlize_test.php	2.72 KB	-rw-r--r--

Code Editor : mathslib_test.php

<?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 of mathslib wrapper and underlying EvalMath library.
 *
 * @package    core
 * @category   phpunit
 * @copyright  2007 Petr Skoda {@link http://skodak.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

global $CFG;
require_once($CFG->libdir . '/mathslib.php');

class core_mathslib_testcase extends basic_testcase {

/**
     * Tests the basic formula evaluation.
     */
    public function test__basic() {
        $formula = new calc_formula('=1+2');
        $res = $formula->evaluate();
        $this->assertSame($res, 3, '3+1 is: %s');
    }

/**
     * Tests the formula params.
     */
    public function test__params() {
        $formula = new calc_formula('=a+b+c', array('a'=>10, 'b'=>20, 'c'=>30));
        $res = $formula->evaluate();
        $this->assertSame(60, $res, '10+20+30 is: %s');
    }

/**
     * Tests the changed params.
     */
    public function test__changing_params() {
        $formula = new calc_formula('=a+b+c', array('a'=>10, 'b'=>20, 'c'=>30));
        $res = $formula->evaluate();
        $this->assertSame(60, $res, '10+20+30 is: %s');
        $formula->set_params(array('a'=>1, 'b'=>2, 'c'=>3));
        $res = $formula->evaluate();
        $this->assertSame(6, $res, 'changed params 1+2+3 is: %s');
    }

/**
     * Tests the spreadsheet emulation function in formula.
     */
    public function test__calc_function() {
        $formula = new calc_formula('=sum(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30));
        $res = $formula->evaluate();
        $this->assertSame(60, $res, 'sum(a, b, c) is: %s');
    }

public function test_other_functions() {
        $formula = new calc_formula('=average(1,2,3)');
        $this->assertSame(2, $formula->evaluate());

$formula = new calc_formula('=mod(10,3)');
        $this->assertSame(1, $formula->evaluate());

$formula = new calc_formula('=power(2,3)');
        $this->assertSame(8, $formula->evaluate());
    }

public function test_conditional_functions() {
        // Test ifthenelse.
        $formula = new calc_formula('=ifthenelse(1,2,3)');
        $this->assertSame(2, (int)$formula->evaluate());

$formula = new calc_formula('=ifthenelse(0,2,3)');
        $this->assertSame(3, (int) $formula->evaluate());

$formula = new calc_formula('=ifthenelse(2<3,2,3)');
        $this->assertSame(2, (int) $formula->evaluate());

// Test synonym if.
        $formula = new calc_formula('=if(1,2,3)');
        $this->assertSame(2, (int)$formula->evaluate());

$formula = new calc_formula('=if(0,2,3)');
        $this->assertSame(3, (int) $formula->evaluate());

$formula = new calc_formula('=if(2<3,2,3)');
        $this->assertSame(2, (int) $formula->evaluate());

// Test cond_and.
        $formula = new calc_formula('=cond_and(1,1,1)');
        $this->assertSame(1, (int)$formula->evaluate());

$formula = new calc_formula('=cond_and(1,1,0)');
        $this->assertSame(0, (int) $formula->evaluate());

$formula = new calc_formula('=cond_and(0,0,0)');
        $this->assertSame(0, (int) $formula->evaluate());

// Test synonym and.
        $formula = new calc_formula('=and(1,1,1)');
        $this->assertSame(1, (int)$formula->evaluate());

$formula = new calc_formula('=and(1,1,0)');
        $this->assertSame(0, (int) $formula->evaluate());

$formula = new calc_formula('=and(0,0,0)');
        $this->assertSame(0, (int) $formula->evaluate());

// Test cond_or.
        $formula = new calc_formula('=cond_or(1,1,1)');
        $this->assertSame(1, (int)$formula->evaluate());

$formula = new calc_formula('=cond_or(1,1,0)');
        $this->assertSame(1, (int) $formula->evaluate());

$formula = new calc_formula('=cond_or(0,0,0)');
        $this->assertSame(0, (int) $formula->evaluate());

// Test synonym or.
        $formula = new calc_formula('=or(1,1,1)');
        $this->assertSame(1, (int)$formula->evaluate());

$formula = new calc_formula('=or(1,1,0)');
        $this->assertSame(1, (int) $formula->evaluate());

$formula = new calc_formula('=or(0,0,0)');
        $this->assertSame(0, (int) $formula->evaluate());
    }

public function test_conditional_operators() {
        $formula = new calc_formula('=2==2');
        $this->assertSame(1, $formula->evaluate());

$formula = new calc_formula('=2>3');
        $this->assertSame(0, $formula->evaluate());
        $formula = new calc_formula('=2<3');
        $this->assertSame(1, $formula->evaluate());

$formula = new calc_formula('=(2<=3)');
        $this->assertSame(1, $formula->evaluate());

$formula = new calc_formula('=(2<=3)*10');
        $this->assertSame(10, $formula->evaluate());

$formula = new calc_formula('=(2>=3)*10');
        $this->assertSame(0, $formula->evaluate());
        $formula = new calc_formula('=2<3*10');
        $this->assertSame(10, $formula->evaluate());
    }
    /**
     * Tests the min and max functions.
     */
    public function test__minmax_function() {
        $formula = new calc_formula('=min(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30));
        $res = $formula->evaluate();
        $this->assertSame(10, $res, 'minimum is: %s');
        $formula = new calc_formula('=max(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30));
        $res = $formula->evaluate();
        $this->assertSame(30, $res, 'maximum is: %s');
    }

/**
     * Tests special chars.
     */
    public function test__specialchars() {
        $formula = new calc_formula('=gi1 + gi2 + gi11', array('gi1'=>10, 'gi2'=>20, 'gi11'=>30));
        $res = $formula->evaluate();
        $this->assertSame(60, $res, 'sum is: %s');
    }

/**
     * Tests some slightly more complex expressions.
     */
    public function test__more_complex_expressions() {
        $formula = new calc_formula('=pi() + a', array('a'=>10));
        $res = $formula->evaluate();
        $this->assertSame(pi()+10, $res);
        $formula = new calc_formula('=pi()^a', array('a'=>10));
        $res = $formula->evaluate();
        $this->assertSame(pow(pi(), 10), $res);
        $formula = new calc_formula('=-8*(5/2)^2*(1-sqrt(4))-8');
        $res = $formula->evaluate();
        $this->assertSame(-8*pow((5/2), 2)*(1-sqrt(4))-8, $res);
    }

/**
     * Tests some slightly more complex expressions.
     */
    public function test__error_handling() {
        $formula = new calc_formula('=pi( + a', array('a'=>10));
        $res = $formula->evaluate();
        $this->assertFalse($res);
        $this->assertSame(get_string('unexpectedoperator', 'mathslib', '+'), $formula->get_error());

$formula = new calc_formula('=pi(');
        $res = $formula->evaluate();
        $this->assertSame($res, false);
        $this->assertSame(get_string('expectingaclosingbracket', 'mathslib'), $formula->get_error());

$formula = new calc_formula('=pi()^');
        $res = $formula->evaluate();
        $this->assertSame($res, false);
        $this->assertSame(get_string('operatorlacksoperand', 'mathslib', '^'), $formula->get_error());

}

public function test_rounding_function() {
        // Rounding to the default number of decimal places.
        // The default == 0.

$formula = new calc_formula('=round(2.5)');
        $this->assertSame(3.0, $formula->evaluate());

$formula = new calc_formula('=round(1.5)');
        $this->assertSame(2.0, $formula->evaluate());

$formula = new calc_formula('=round(-1.49)');
        $this->assertSame(-1.0, $formula->evaluate());

$formula = new calc_formula('=round(-2.49)');
        $this->assertSame(-2.0, $formula->evaluate());

$formula = new calc_formula('=round(-1.5)');
        $this->assertSame(-2.0, $formula->evaluate());

$formula = new calc_formula('=round(-2.5)');
        $this->assertSame(-3.0, $formula->evaluate());

$formula = new calc_formula('=ceil(2.5)');
        $this->assertSame(3.0, $formula->evaluate());

$formula = new calc_formula('=ceil(1.5)');
        $this->assertSame(2.0, $formula->evaluate());

$formula = new calc_formula('=ceil(-1.49)');
        $this->assertSame(-1.0, $formula->evaluate());

$formula = new calc_formula('=ceil(-2.49)');
        $this->assertSame(-2.0, $formula->evaluate());

$formula = new calc_formula('=ceil(-1.5)');
        $this->assertSame(-1.0, $formula->evaluate());

$formula = new calc_formula('=ceil(-2.5)');
        $this->assertSame(-2.0, $formula->evaluate());

$formula = new calc_formula('=floor(2.5)');
        $this->assertSame(2.0, $formula->evaluate());

$formula = new calc_formula('=floor(1.5)');
        $this->assertSame(1.0, $formula->evaluate());

$formula = new calc_formula('=floor(-1.49)');
        $this->assertSame(-2.0, $formula->evaluate());

$formula = new calc_formula('=floor(-2.49)');
        $this->assertSame(-3.0, $formula->evaluate());

$formula = new calc_formula('=floor(-1.5)');
        $this->assertSame(-2.0, $formula->evaluate());

$formula = new calc_formula('=floor(-2.5)');
        $this->assertSame(-3.0, $formula->evaluate());

// Rounding to an explicit number of decimal places.

$formula = new calc_formula('=round(2.5, 1)');
        $this->assertSame(2.5, $formula->evaluate());

$formula = new calc_formula('=round(2.5, 0)');
        $this->assertSame(3.0, $formula->evaluate());

$formula = new calc_formula('=round(1.2345, 2)');
        $this->assertSame(1.23, $formula->evaluate());

$formula = new calc_formula('=round(123.456, -1)');
        $this->assertSame(120.0, $formula->evaluate());
    }

public function test_scientific_notation() {
        $formula = new calc_formula('=10e10');
        $this->assertEqualsWithDelta(1e11, $formula->evaluate(), 1e11 * 1e-15);

$formula = new calc_formula('=10e-10');
        $this->assertEqualsWithDelta(1e-9, $formula->evaluate(), 1e11 * 1e-15);

$formula = new calc_formula('=10e+10');
        $this->assertEqualsWithDelta(1e11, $formula->evaluate(), 1e11 * 1e-15);

$formula = new calc_formula('=10e10*5');
        $this->assertEqualsWithDelta(5e11, $formula->evaluate(), 1e11 * 1e-15);

$formula = new calc_formula('=10e10^2');
        $this->assertEqualsWithDelta(1e22, $formula->evaluate(), 1e22 * 1e-15);
    }

public function test_rand_float() {
        $formula = new calc_formula('=rand_float()');
        $result = $formula->evaluate();
        $this->assertTrue(is_float($result));
    }
}

${this.title}

Code Editor : mathslib_test.php