LayoutTests/http/tests/fetch/clone-response-body.html - WebKit - Git at Google

 <!doctype html>
 <html>
   <head>
     <meta charset="utf-8">
     <title>Response clone after load is finished</title>
     <script src="/resources/testharness.js"></script>
     <script src="/resources/testharnessreport.js"></script>
   </head>
   <body>
     <script>
 promise_test(function(t) {
     var clone;
     return fetch('/resources/testharnessreport.js').then(function(res) {
         assert_equals(res.status, 200);
         var resolveFunction;
         var promise = new Promise((resolve) => {
             resolveFunction = resolve;
         });
         setTimeout(() => {
             // Load should be finished by now
             clone = res.clone();
             var string;
             return res.text().then((value) => {
                  string = value;
                  return clone.text();
             }).then((value) => {
                 assert_equals(value, string);
                 resolveFunction();
             });
         }, 1000);
         return promise;
     });
 }, 'Ensure that cloning works when load is finished');

 promise_test(function(t) {
     var clone;
     return fetch('/resources/download-json-with-delay.py?iteration=2&delay=100').then(function(res) {
         assert_equals(res.status, 200);
         // All data should not be enqueued yet.
         clone = res.clone();
         var string;
         return res.text().then((value) => {
             string = value;
             return clone.text();
         }).then((value) => {
             assert_equals(value, string);
         });
     });
 }, 'Ensure that cloning works when load is ongoing');

     </script>
   </body>
 </html>
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Response clone after load is finished</title>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	</head>
	<body>
	<script>
	promise_test(function(t) {
	var clone;
	return fetch('/resources/testharnessreport.js').then(function(res) {
	assert_equals(res.status, 200);
	var resolveFunction;
	var promise = new Promise((resolve) => {
	resolveFunction = resolve;
	});
	setTimeout(() => {
	// Load should be finished by now
	clone = res.clone();
	var string;
	return res.text().then((value) => {
	string = value;
	return clone.text();
	}).then((value) => {
	assert_equals(value, string);
	resolveFunction();
	});
	}, 1000);
	return promise;
	});
	}, 'Ensure that cloning works when load is finished');

	promise_test(function(t) {
	var clone;
	return fetch('/resources/download-json-with-delay.py?iteration=2&delay=100').then(function(res) {
	assert_equals(res.status, 200);
	// All data should not be enqueued yet.
	clone = res.clone();
	var string;
	return res.text().then((value) => {
	string = value;
	return clone.text();
	}).then((value) => {
	assert_equals(value, string);
	});
	});
	}, 'Ensure that cloning works when load is ongoing');

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