2 QUnit
.module( 'jquery.hidpi', QUnit
.newMwEnvironment() );
4 QUnit
.test( 'devicePixelRatio', 1, function ( assert
) {
5 var devicePixelRatio
= $.devicePixelRatio();
6 assert
.equal( typeof devicePixelRatio
, 'number', '$.devicePixelRatio() returns a number' );
9 QUnit
.test( 'bracketedDevicePixelRatio', 1, function ( assert
) {
10 var devicePixelRatio
= $.devicePixelRatio();
11 assert
.equal( typeof devicePixelRatio
, 'number', '$.bracketedDevicePixelRatio() returns a number' );
14 QUnit
.test( 'bracketDevicePixelRatio', 8, function ( assert
) {
15 assert
.equal( $.bracketDevicePixelRatio( 0.75 ), 1, '0.75 gives 1' );
16 assert
.equal( $.bracketDevicePixelRatio( 1 ), 1, '1 gives 1' );
17 assert
.equal( $.bracketDevicePixelRatio( 1.25 ), 1.5, '1.25 gives 1.5' );
18 assert
.equal( $.bracketDevicePixelRatio( 1.5 ), 1.5, '1.5 gives 1.5' );
19 assert
.equal( $.bracketDevicePixelRatio( 1.75 ), 2, '1.75 gives 2' );
20 assert
.equal( $.bracketDevicePixelRatio( 2 ), 2, '2 gives 2' );
21 assert
.equal( $.bracketDevicePixelRatio( 2.5 ), 2, '2.5 gives 2' );
22 assert
.equal( $.bracketDevicePixelRatio( 3 ), 2, '3 gives 2' );
25 QUnit
.test( 'matchSrcSet', 6, function ( assert
) {
26 var srcset
= 'onefive.png 1.5x, two.png 2x';
29 assert
.equal( $.matchSrcSet( 1, srcset
), null, '1.0 gives no match' );
30 assert
.equal( $.matchSrcSet( 1.5, srcset
), 'onefive.png', '1.5 gives match' );
31 assert
.equal( $.matchSrcSet( 2, srcset
), 'two.png', '2 gives match' );
33 // Non-exact matches; should return the next-biggest specified
34 assert
.equal( $.matchSrcSet( 1.25, srcset
), null, '1.25 gives no match' );
35 assert
.equal( $.matchSrcSet( 1.75, srcset
), 'onefive.png', '1.75 gives match to 1.5' );
36 assert
.equal( $.matchSrcSet( 2.25, srcset
), 'two.png', '2.25 gives match to 2' );