| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/test-only-api.js"></script> |
| <script src="resources/fake-devices.js"></script> |
| <script src="resources/usb-helpers.js"></script> |
| <script> |
| 'use strict'; |
| |
| async function sleep(timeout) { |
| return new Promise(resolve => { |
| step_timeout(() => { |
| resolve(); |
| }, timeout); |
| }); |
| } |
| |
| async function connectInIframe() { |
| let iframe = document.createElement('iframe'); |
| let opened = false; |
| |
| iframe.src = 'resources/open-in-iframe.html'; |
| document.body.appendChild(iframe); |
| |
| await navigator.usb.test.attachToContext(iframe); |
| function nextIFrameMessage() { |
| return new Promise(resolve => window.addEventListener( |
| 'message', e => resolve(e.data))); |
| } |
| iframe.contentWindow.postMessage('ConnectEvent', '*'); |
| |
| assert_equals('Ready', (await nextIFrameMessage())); |
| let fakeDevice = navigator.usb.test.addFakeDevice(fakeDeviceInit); |
| let closedPromise = new Promise(resolve => fakeDevice.onclose = resolve) |
| .then(() => assert_true(opened)); |
| |
| assert_equals('Success', (await nextIFrameMessage())); |
| opened = true; |
| return { iframe, closedPromise }; |
| } |
| |
| usb_test(async () => { |
| let { iframe, closedPromise } = await connectInIframe(); |
| document.body.removeChild(iframe); |
| await closedPromise; |
| }, 'detaching iframe disconnects device.'); |
| |
| usb_test(async () => { |
| let { iframe, closedPromise } = await connectInIframe(); |
| iframe.src = 'about:blank'; |
| await closedPromise; |
| }, 'navigating iframe disconnects device.'); |
| |
| usb_test(async (t) => { |
| let iframe = document.createElement('iframe'); |
| iframe.src = 'resources/open-in-iframe.html'; |
| iframe.allow = 'usb \'none\''; |
| |
| await Promise.all([ |
| new Promise(resolve => { |
| document.body.appendChild(iframe); |
| iframe.addEventListener('load', resolve); |
| }), |
| // This will wait for ReadyForAttachment event from iframe loading. |
| navigator.usb.test.attachToContext(iframe), |
| ]); |
| |
| let messageWatcher = new EventWatcher(t, window, 'message'); |
| iframe.contentWindow.postMessage('ConnectEvent', '*'); |
| let messageEvent = await messageWatcher.wait_for('message'); |
| assert_equals(messageEvent.data, 'Ready'); |
| |
| // This isn't necessary as the expected scenario shouldn't send any mojo |
| // request. However, in order to capture a bug that doesn't reject adding |
| // event listener, time delay here is to allow mojo request to be intercepted |
| // after iframe adding connect event listener. |
| await sleep(100); |
| |
| // If device connect event fires, EventWatcher will assert for an unexpected |
| // event. |
| navigator.usb.test.addFakeDevice(fakeDeviceInit); |
| // Time delay here is to allow event to be fired if any. |
| await sleep(100); |
| }, 'Connect event is not fired in iframe with usb disallowed.'); |
| |
| </script> |
