LayoutTests/fast/mediastream/webkitGetUserMedia-shadowing-then.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="UTF-8">
     <title>Shadowing then()</title>
 </head>
 <body>
 <!--
 This test verifies that the implementation of navigator.webkitGetUserMedia does not use public promise APIs.
 -->
 <p id="output"></p>
 <script>
     if (window.testRunner) {
         testRunner.dumpAsText();
         testRunner.waitUntilDone();
     }

     function endTest(testStatus) {
         document.getElementById("output").textContent = testStatus;
         testRunner.notifyDone();
     }

     // Shadow Promise.prototype.then
     Promise.prototype.then = (function () {
         const realThen = Promise.prototype.then;
         return function () {
             endTest("FAIL: Executed shadowed, public .then()");
         }
     })();

     function gotUserMedia(mediaStream) {
         endTest("FAIL: Got user media");
     }

     function userMediaError(error) {
         endTest("PASS");
     }

     var options = { audio: false, video: false };
     navigator.webkitGetUserMedia(options, gotUserMedia, userMediaError);

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Shadowing then()</title>
	</head>
	<body>
	<!--
	This test verifies that the implementation of navigator.webkitGetUserMedia does not use public promise APIs.
	-->
	<p id="output"></p>
	<script>
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	function endTest(testStatus) {
	document.getElementById("output").textContent = testStatus;
	testRunner.notifyDone();
	}

	// Shadow Promise.prototype.then
	Promise.prototype.then = (function () {
	const realThen = Promise.prototype.then;
	return function () {
	endTest("FAIL: Executed shadowed, public .then()");
	}
	})();

	function gotUserMedia(mediaStream) {
	endTest("FAIL: Got user media");
	}

	function userMediaError(error) {
	endTest("PASS");
	}

	var options = { audio: false, video: false };
	navigator.webkitGetUserMedia(options, gotUserMedia, userMediaError);

	</script>
	</body>
	</html>