GUM-impossible-constraint.https.html (1792B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>Trivial mandatory constraint in getUserMedia</title> 5 <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> 6 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-NavigatorUserMedia-getUserMedia-void-MediaStreamConstraints-constraints-NavigatorUserMediaSuccessCallback-successCallback-NavigatorUserMediaErrorCallback-errorCallback"> 7 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-NavigatorUserMediaError"> 8 </head> 9 <body> 10 <p class="instructions">When prompted, accept to share your video stream.</p> 11 <h1 class="instructions">Description</h1> 12 <p class="instructions">This test checks that setting an impossible mandatory 13 constraint (width >=1G) in getUserMedia works</p> 14 15 <div id='log'></div> 16 <script src=/resources/testharness.js></script> 17 <script src=/resources/testharnessreport.js></script> 18 <script src=/resources/testdriver.js></script> 19 <script src=/resources/testdriver-vendor.js></script> 20 <script src=permission-helper.js></script> 21 <script> 22 promise_test(async () => { 23 await setMediaPermission("granted", ["camera"]); 24 // Note - integer conversion is weird for +inf and numbers > 2^32, so we 25 // use a number less than 2^32 for testing. 26 try { 27 await navigator.mediaDevices.getUserMedia({video: {width: {min:100000000}}}); 28 assert_unreached("a Video stream of width 100M cannot be created"); 29 30 } catch (error) { 31 assert_equals(error.name, "OverconstrainedError", "An impossible constraint triggers a OverconstrainedError"); 32 assert_equals(error.constraint, "width", "The name of the not satisfied error is given in error.constraint"); 33 } 34 }, "Tests that setting an impossible constraint in getUserMedia fails"); 35 </script> 36 </body> 37 </html>