1 <svg xmlns=
"http://www.w3.org/2000/svg" width=
"200" height=
"200">
2 <title>Testcase for mask with empty size
</title>
3 <mask id=
"m1" width=
"1" height=
"0">
4 <rect x=
"0" y=
"0" width=
"100" height=
"100" style=
"stroke:none; fill: #ffffff"/>
6 <!-- Since the size of m1 is empty, the following rect should be invisible. -->
7 <rect width=
"100" height=
"100" fill=
"blue" mask=
"url(#m1)"/>