<?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/>.

namespace core\output\progress_trace;

/**
 * Tests for \core\progress_trace\null_progress_trace.
 *
 * @package    core
 * @category   test
 * @copyright  2024 Andrew Lyons <andrew@nicols.co.uk>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @covers \core\progress_trace\null_progress_trace
 */
final class null_progress_trace_test extends \advanced_testcase {
    /**
     * Tests for the trace.
     */
    public function test_trace(): void {
        $trace = new null_progress_trace();
        $trace->output('do');
        $trace->output('re', 1);
        $trace->output('mi', 2);
        $trace->finished();
        $output = ob_get_contents();
        $this->assertSame('', $output);
        $this->expectOutputString('');
    }
}
