zijiehe 8eef7aa7cf Add DesktopRectTest for UnionWith() function
DesktopRect::UnionWith() function has been added by change
https://codereview.webrtc.org/2845213002. This change adds test cases to cover
the newly added logic. More specifically, union between an empty rectangle and a
non-empty one or two empty rectangles.

BUG=webrtc:7541

Review-Url: https://codereview.webrtc.org/2891593003
Cr-Commit-Position: refs/heads/master@{#18201}
2017-05-18 19:27:16 +00:00
..
2016-11-16 19:11:38 +00:00
2016-10-19 01:22:25 +00:00
2016-10-19 01:22:25 +00:00