The Tor Browser / file comparison
comparison: browser/devtools/netmonitor/test/browser_net_autoscroll.js
browser/devtools/netmonitor/test/browser_net_autoscroll.js
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| -1:000000000000 | 0:89da7945a836 |
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 /** | |
| 5 * Bug 863102 - Automatically scroll down upon new network requests. | |
| 6 */ | |
| 7 | |
| 8 function test() { | |
| 9 requestLongerTimeout(2); | |
| 10 let monitor, debuggee, requestsContainer, scrollTop; | |
| 11 | |
| 12 initNetMonitor(INFINITE_GET_URL).then(([aTab, aDebuggee, aMonitor]) => { | |
| 13 monitor = aMonitor; | |
| 14 debuggee = aDebuggee; | |
| 15 let win = monitor.panelWin; | |
| 16 let topNode = win.document.getElementById("requests-menu-contents"); | |
| 17 requestsContainer = topNode.getElementsByTagName("scrollbox")[0]; | |
| 18 ok(!!requestsContainer, "Container element exists as expected."); | |
| 19 }) | |
| 20 | |
| 21 // (1) Check that the scroll position is maintained at the bottom | |
| 22 // when the requests overflow the vertical size of the container. | |
| 23 .then(() => { | |
| 24 return waitForRequestsToOverflowContainer(monitor, requestsContainer); | |
| 25 }) | |
| 26 .then(() => { | |
| 27 ok(scrolledToBottom(requestsContainer), "Scrolled to bottom on overflow."); | |
| 28 }) | |
| 29 | |
| 30 // (2) Now set the scroll position somewhere in the middle and check | |
| 31 // that additional requests do not change the scroll position. | |
| 32 .then(() => { | |
| 33 let children = requestsContainer.childNodes; | |
| 34 let middleNode = children.item(children.length / 2); | |
| 35 middleNode.scrollIntoView(); | |
| 36 ok(!scrolledToBottom(requestsContainer), "Not scrolled to bottom."); | |
| 37 scrollTop = requestsContainer.scrollTop; // save for comparison later | |
| 38 return waitForNetworkEvents(monitor, 8); | |
| 39 }) | |
| 40 .then(() => { | |
| 41 is(requestsContainer.scrollTop, scrollTop, "Did not scroll."); | |
| 42 }) | |
| 43 | |
| 44 // (3) Now set the scroll position back at the bottom and check that | |
| 45 // additional requests *do* cause the container to scroll down. | |
| 46 .then(() => { | |
| 47 requestsContainer.scrollTop = requestsContainer.scrollHeight; | |
| 48 ok(scrolledToBottom(requestsContainer), "Set scroll position to bottom."); | |
| 49 return waitForNetworkEvents(monitor, 8); | |
| 50 }) | |
| 51 .then(() => { | |
| 52 ok(scrolledToBottom(requestsContainer), "Still scrolled to bottom."); | |
| 53 }) | |
| 54 | |
| 55 // (4) Now select an item in the list and check that additional requests | |
| 56 // do not change the scroll position. | |
| 57 .then(() => { | |
| 58 monitor.panelWin.NetMonitorView.RequestsMenu.selectedIndex = 0; | |
| 59 return waitForNetworkEvents(monitor, 8); | |
| 60 }) | |
| 61 .then(() => { | |
| 62 is(requestsContainer.scrollTop, 0, "Did not scroll."); | |
| 63 }) | |
| 64 | |
| 65 // Done; clean up. | |
| 66 .then(() => { | |
| 67 return teardown(monitor).then(finish); | |
| 68 }) | |
| 69 | |
| 70 // Handle exceptions in the chain of promises. | |
| 71 .then(null, (err) => { | |
| 72 ok(false, err); | |
| 73 finish(); | |
| 74 }); | |
| 75 | |
| 76 function waitForRequestsToOverflowContainer (aMonitor, aContainer) { | |
| 77 return waitForNetworkEvents(aMonitor, 1).then(() => { | |
| 78 if (aContainer.scrollHeight > aContainer.clientHeight) { | |
| 79 // Wait for some more just for good measure. | |
| 80 return waitForNetworkEvents(aMonitor, 8); | |
| 81 } else { | |
| 82 return waitForRequestsToOverflowContainer(aMonitor, aContainer); | |
| 83 } | |
| 84 }); | |
| 85 } | |
| 86 | |
| 87 function scrolledToBottom(aElement) { | |
| 88 return aElement.scrollTop + aElement.clientHeight >= aElement.scrollHeight; | |
| 89 } | |
| 90 } |
