1 Test calling getPropertyValue on computed styles for background-position properties.
3 background-position: 0;
5 getPropertyValue: 0px 50%
10 background-position: 0 0;
12 getPropertyValue: 0px 0px
18 background-position: 15px;
20 getPropertyValue: 15px 50%
22 getPropertyValue: 15px
25 background-position: 10px 20px;
27 getPropertyValue: 10px 20px
29 getPropertyValue: 10px
31 getPropertyValue: 20px
33 No background-position set
35 getPropertyValue: 0% 0%