HistCompareTest.php

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<?php

use PHPUnit\Framework\TestCase;

class HistCompareTest extends TestCase
{
    //protected $backupGlobals = false;

    protected function setUp(): void
    {
        parent::setUp();
    }

    protected function tearDown(): void
    {
    }

    public function testCompare(): void
    {
        $this->assertEquals(
            -1,
            ilHistory::_compareHistArray(
                ["date" => "2021-12-01"],
                ["date" => "2021-12-03"],
            )
        );
    }

    public function testCompare2(): void
    {
        $this->assertEquals(
            1,
            ilHistory::_compareHistArray(
                ["date" => "2021-12-01"],
                ["date" => "2021-11-03"],
            )
        );
    }

    public function testCompare3(): void
    {
        $this->assertEquals(
            0,
            ilHistory::_compareHistArray(
                ["date" => "2021-12-03"],
                ["date" => "2021-12-03"],
            )
        );
    }
}