htmlpurifier/tests/HTMLPurifier/AttrDef/CSS/BackgroundPositionTest.php

<?php

class HTMLPurifier_AttrDef_CSS_BackgroundPositionTest extends HTMLPurifier_AttrDefHarness
{

    function test() {

        $this->def = new HTMLPurifier_AttrDef_CSS_BackgroundPosition();

        // explicitly cited in spec
        $this->assertDef('0% 0%');
        $this->assertDef('100% 100%');
        $this->assertDef('14% 84%');
        $this->assertDef('2cm 1cm');
        $this->assertDef('top');
        $this->assertDef('left');
        $this->assertDef('center');
        $this->assertDef('right');
        $this->assertDef('bottom');
        $this->assertDef('left top');
        $this->assertDef('center top');
        $this->assertDef('right top');
        $this->assertDef('left center');
        $this->assertDef('right center');
        $this->assertDef('left bottom');
        $this->assertDef('center bottom');
        $this->assertDef('right bottom');

        // reordered due to internal impl details
        $this->assertDef('top left', 'left top');
        $this->assertDef('top center', 'center top');
        $this->assertDef('top right', 'right top');
        $this->assertDef('center left', 'left center');
        $this->assertDef('center center', 'center'); // two centers collide
        $this->assertDef('center right', 'right center');
        $this->assertDef('bottom left', 'left bottom');
        $this->assertDef('bottom center', 'center bottom');
        $this->assertDef('bottom right', 'right bottom');

        // more cases from the defined syntax
        $this->assertDef('1.32in 4ex');
        $this->assertDef('-14% -84.65%');
        $this->assertDef('-1in -4ex');
        $this->assertDef('-1pc 2.3%');

        // keyword mixing
        $this->assertDef('3em top');
        $this->assertDef('left 50%');

        // fixable keyword mixing
        $this->assertDef('top 3em', '3em top');
        $this->assertDef('50% left', 'left 50%');

        // whitespace collapsing
        $this->assertDef('3em  top', '3em top');
        $this->assertDef("left\n \t foo  ", 'left');

        // invalid uses (we're going to be strict on these)
        $this->assertDef('foo bar', false);
        $this->assertDef('left left', 'left');
        $this->assertDef('left right top bottom center left', 'left bottom');
        $this->assertDef('0fr 9%', '9%');

    }

}