LayoutTests/fetch/header-constructor-is-array.html - WebKit - Git at Google

 <!DOCTYPE HTML>
 <html>
 <head>
 <script src="../resources/js-test-pre.js"></script>
 </head>
 <body>
 <iframe></iframe>
 <script>
 description("This test should create a Headers with strange Array, but the constructor should recognize it as an Array.");

 {
     let array = [ [ 'hello', 'world' ] ];
     array.__proto__ = null;
     var headers = new Headers(array);
     shouldBeEqualToString("headers.get('hello')", "world");
 }

 {
     // From the other realm.
     let frame = frames[0];
     let array = new frame.Array();
     array.push([ 'hello', 'world' ]);
     var headers = new Headers(array);
     shouldBeEqualToString("headers.get('hello')", "world");
 }

 </script>
 <script src="../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="../resources/js-test-pre.js"></script>
	</head>
	<body>
	<iframe></iframe>
	<script>
	description("This test should create a Headers with strange Array, but the constructor should recognize it as an Array.");

	{
	let array = [ [ 'hello', 'world' ] ];
	array.__proto__ = null;
	var headers = new Headers(array);
	shouldBeEqualToString("headers.get('hello')", "world");
	}

	{
	// From the other realm.
	let frame = frames[0];
	let array = new frame.Array();
	array.push([ 'hello', 'world' ]);
	var headers = new Headers(array);
	shouldBeEqualToString("headers.get('hello')", "world");
	}

	</script>
	<script src="../resources/js-test-post.js"></script>
	</body>
	</html>