Tests applyConstraints on a video stream track.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS stream.getVideoTracks().length is 1
PASS stream.getAudioTracks().length is 0
PASS video.videoTracks.length is 1
PASS video.audioTracks.length is 0

** Constraint: {"width":640,"height":480} - setup width and height.
PASS settings['width'] is 640
PASS settings['height'] is 480

** Constraint: {"width":{"min":320},"height":{"min":240},"advanced":[{"width":1920,"height":1280}]} - advanced width and height are too big, minimums are less than current, nothing is changed.
PASS settings['width'] is 640
PASS settings['height'] is 480

** Constraint: {"width":{"min":640},"height":{"min":480},"advanced":[{"width":1920,"height":1280},{"width":960,"height":720}]} - first width and height in advanced are too big, second is used.
PASS settings['width'] is 960
PASS settings['height'] is 720

** Constraint: {"width":320,"height":240} - reset width and height.
PASS settings['width'] is 320
PASS settings['height'] is 240

** Constraint: {"width":{"min":640},"height":{"min":480},"advanced":[{"width":1920,"height":1280}]} - advanced width and height are too big, fall back to required minimums.
PASS settings['width'] is 640
PASS settings['height'] is 480

** Constraint: {"width":320,"height":240} - reset width and height.
PASS settings['width'] is 320
PASS settings['height'] is 240

** Constraint: {"width":{"min":640},"height":{"min":480},"advanced":[{"width":1920,"height":1280},{"aspectRatio":1.777777}]} - advanced width and height are too big, aspectRatio is used.
PASS settings['width'] is 640
PASS settings['height'] is 360

** Constraint: {"advanced":[{"facingMode":"left"},{"facingMode":"right"},{"facingMode":"environment"},{"facingMode":"user"}]} - no required constraints, advanced constraints are ignored.
PASS settings['facingMode'] is "user"

** Constraint: {"width":{"min":640},"advanced":[{"facingMode":"left"},{"facingMode":"right"},{"facingMode":"user"}]} - first two advanced facingModes are not supported, third is used.
PASS settings['facingMode'] is "user"

PASS successfullyParsed is true

TEST COMPLETE