HtmlTest::testConvDate PHP Method

    public function testConvDate()
    {
        $this->assertNull(Html::convDate(null));
        $this->assertNull(Html::convDate('NULL'));
        $mydate = date('Y-m-d H:i:s');
        $expected = date('Y-m-d');
        unset($_SESSION['glpidate_format']);
        $this->assertEquals($expected, Html::convDate($mydate));
        $_SESSION['glpidate_format'] = 0;
        $this->assertEquals($expected, Html::convDate($mydate));
        $this->assertEquals($expected, Html::convDate(date('Y-m-d')));
        $expected = date('d-m-Y');
        $this->assertEquals($expected, Html::convDate($mydate, 1));
        $expected = date('m-d-Y');
        $this->assertEquals($expected, Html::convDate($mydate, 2));
    }