<!doctype html> <html> <head> <title>Trivial mandatory constraint in getUserMedia</title> <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-NavigatorUserMedia-getUserMedia-void-MediaStreamConstraints-constraints-NavigatorUserMediaSuccessCallback-successCallback-NavigatorUserMediaErrorCallback-errorCallback"> </head> <body> <p class="instructions">When prompted, accept to share your video stream.</p> <h1 class="instructions">Description</h1> <p class="instructions">This test checks that setting a trivial mandatory constraint (width >=0) in getUserMedia works</p> <div id='log'></div> <script src=/resources/testharness.js></script> <script src=/resources/testharnessreport.js></script> <script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}]'></script> <script> var t = async_test("Tests that setting a trivial mandatory constraint in getUserMedia works", {timeout:10000}); t.step(function() { navigator.getUserMedia({video: {width: {min:0}}}, t.step_func(function (stream) { assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track"); t.done(); }), t.step_func(function(error) { assert_unreached("a Video stream of minimally zero width can always be created"); t.done(); })); }); </script> </body> </html>