src/third_party/web_platform_tests/IndexedDB/idbdatabase_transaction4.htm - cobalt - Git at Google

 <!DOCTYPE html>
 <title>IDBDatabase.transaction() - attempt to open a transaction with invalid mode </title>
 <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="support.js"></script>

 <script>
     var db,
       t = async_test(document.title, {timeout: 10000}),
       open_rq = createdb(t);

     open_rq.onupgradeneeded = function(e) {
         db = e.target.result;
         db.createObjectStore('test');
     };

     open_rq.onsuccess = function(e) {
         assert_throws({ name: 'TypeError' },
             function() { db.transaction('test', 'whatever'); });

         t.done();
     };
 </script>

 <div id="log"></div>
	<!DOCTYPE html>
	<title>IDBDatabase.transaction() - attempt to open a transaction with invalid mode </title>
	<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script src="support.js"></script>

	<script>
	var db,
	t = async_test(document.title, {timeout: 10000}),
	open_rq = createdb(t);

	open_rq.onupgradeneeded = function(e) {
	db = e.target.result;
	db.createObjectStore('test');
	};

	open_rq.onsuccess = function(e) {
	assert_throws({ name: 'TypeError' },
	function() { db.transaction('test', 'whatever'); });

	t.done();
	};
	</script>

	<div id="log"></div>