async_test(t => { const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.onload = t.step_func(() => { frame.onload = null; let happened = false; const client = new frame.contentWindow.XMLHttpRequest(); client.open("GET", "/common/blank.html"); client.onload = t.step_func_done(e => { assert_true(happened); }); client.onerror = t.unreached_func("XMLHttpRequest should have succeeded"); client.onabort = t.unreached_func("XMLHttpRequest should have succeeded"); client.ontimeout = t.unreached_func("XMLHttpRequest should have succeeded"); client.send(); frame.contentDocument.open(); happened = true; }); frame.src = "/common/blank.html"; }, "document.open() does not abort documents that are not navigating (XMLHttpRequest)"); async_test(t => { const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.onload = t.step_func(() => { frame.onload = null; let happened = false; frame.contentWindow.fetch("/common/blank.html").then( t.step_func_done(() => { assert_true(happened); }), t.unreached_func("Fetch should have succeeded") ); frame.contentDocument.open(); happened = true; }); frame.src = "/common/blank.html"; }, "document.open() does not abort documents that are not navigating (fetch())"); async_test(t => { const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.onload = t.step_func(() => { frame.onload = null; let happened = false; const img = frame.contentDocument.createElement("img"); img.src = new URL("resources/slow-png.py", document.URL); img.onload = t.step_func_done(() => { assert_true(happened); }); img.onerror = t.unreached_func("Image loading should not have errored"); // The image fetch starts in a microtask, so let's be sure to test after // the fetch has started. t.step_timeout(() => { frame.contentDocument.open(); happened = true; }); }); frame.src = "/common/blank.html"; }, "document.open() does not abort documents that are not navigating (image loading)"); async_test(t => { const __SERVER__NAME = "{{host}}"; const __PORT = {{ports[ws][0]}}; const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.onload = t.step_func(() => { frame.onload = null; let happened = false; const ws = new frame.contentWindow.WebSocket(`ws://${__SERVER__NAME}:${__PORT}/echo`); ws.onopen = t.step_func_done(() => { assert_true(happened); }); ws.onclose = t.unreached_func("WebSocket fetch should have succeeded"); ws.onerror = t.unreached_func("WebSocket should have no error"); frame.contentDocument.open(); happened = true; }); frame.src = "/common/blank.html"; }, "document.open() does not abort documents that are not navigating (establish a WebSocket connection)"); // An already established WebSocket connection shouldn't be terminated during // an "abort a document" anyway. Test just for completeness. async_test(t => { const __SERVER__NAME = "{{host}}"; const __PORT = {{ports[ws][0]}}; const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.onload = t.step_func(() => { frame.onload = null; let happened = false; const ws = new frame.contentWindow.WebSocket(`ws://${__SERVER__NAME}:${__PORT}/echo`); ws.onopen = t.step_func(() => { t.step_timeout(t.step_func_done(() => { assert_true(happened); }), 100); frame.contentDocument.open(); happened = true; }); ws.onclose = t.unreached_func("WebSocket should not be closed"); ws.onerror = t.unreached_func("WebSocket should have no error"); }); frame.src = "/common/blank.html"; }, "document.open() does not abort documents that are not navigating (already established WebSocket connection)");