| <!doctype html> |
| <html> |
| <head> |
| <meta content="text/html; charset=utf-8" http-equiv="content-type" /> |
| <title>2.7 Safe passing of structured data</title> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#safe-passing-of-structured-data" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id="log"></div> |
| |
| <script type="text/javascript"> |
| // Note, this test is designed to be in a similar style to |
| // html/infrastructure/safe-passing-of-structured-data/structuredclone_0.html |
| // It is in a separate file to avoid causing a syntax error on UAs which |
| // do not yet support BigInt, so the rest of the test can continue running. |
| |
| var worker; |
| var testCollection; |
| setup(function() |
| { |
| //the worker is used for each test in sequence |
| //worker's callback will be set for each test |
| //worker's internal onmessage echoes the data back to this thread through postMessage |
| worker = new Worker("./resources/echo-worker.js"); |
| testCollection = [ |
| function() { |
| var t = async_test("Primitive BigInt is cloned"); |
| t.id = 0; |
| worker.onmessage = t.step_func(function(e) {assert_equals(1n, e.data, "1n === event.data"); t.done(); }); |
| t.step(function() { worker.postMessage(1n);}); |
| }, |
| function() { |
| var t = async_test("Instance of BigInt is cloned"); |
| t.id = 1; |
| var obj; |
| t.step(function() {obj = Object(1n);}); |
| worker.onmessage = t.step_func(function(e) { |
| assert_equals(obj.constructor, e.data.constructor, "BigInt === event.data.constructor"); |
| assert_equals(obj.valueOf(), e.data.valueOf(), "(BigInt(1n)).valueOf() === event.data.valueOf()"); |
| t.done(); |
| }); |
| t.step(function() { worker.postMessage(obj);}); |
| }, |
| ]; |
| }, {explicit_done:true}); |
| |
| //Callback for result_callback |
| //queues the next test in the array testCollection |
| //serves to make test execution sequential from the async worker callbacks |
| //alternatively, we would have to create a worker for each test |
| function testFinished(test) { |
| if(test.id < testCollection.length - 1) { |
| //queue the function so that stack remains shallow |
| queue(testCollection[test.id+1]); |
| } else { |
| //when the last test has run, explicitly end test suite |
| done(); |
| } |
| } |
| function queue(func) { |
| step_timeout(func, 10); |
| } |
| |
| add_result_callback(testFinished); |
| //start the first test manually |
| queue(testCollection[0]); |
| |
| |
| |
| |
| </script> |
| </body> |
| </html> |
| |
