The Tor Browser / file comparison
comparison: browser/base/content/test/general/browser_visibleLabel.js
browser/base/content/test/general/browser_visibleLabel.js
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 /* Tests: | |
| 5 * verify that the visibleLabel attribute works | |
| 6 * verify the TabLabelModified event works for both existing and new tabs | |
| 7 */ | |
| 8 | |
| 9 function test() { | |
| 10 waitForExplicitFinish(); | |
| 11 registerCleanupFunction(function() { | |
| 12 gBrowser.removeCurrentTab({animate: false}); | |
| 13 }); | |
| 14 let tab = gBrowser.selectedTab = gBrowser.addTab("about:blank", | |
| 15 {skipAnimation: true}); | |
| 16 tab.linkedBrowser.addEventListener("load", function onLoad(event) { | |
| 17 event.currentTarget.removeEventListener("load", onLoad, true); | |
| 18 executeSoon(afterLoad); | |
| 19 }, true); | |
| 20 } | |
| 21 | |
| 22 function afterLoad() { | |
| 23 let tab = gBrowser.selectedTab; | |
| 24 let xulLabel = document.getAnonymousElementByAttribute(tab, "anonid", | |
| 25 "tab-label"); | |
| 26 // Verify we're starting out on the right foot | |
| 27 is(tab.label, "New Tab", "Initial tab label is default"); | |
| 28 is(xulLabel.value, "New Tab", "Label element is default"); | |
| 29 is(tab.visibleLabel, "New Tab", "visibleLabel is default"); | |
| 30 | |
| 31 // Check that a normal label setting works correctly | |
| 32 tab.label = "Hello, world!"; | |
| 33 is(tab.label, "Hello, world!", "tab label attribute set via tab.label"); | |
| 34 is(xulLabel.value, "Hello, world!", "xul:label set via tab.label"); | |
| 35 is(tab.visibleLabel, "Hello, world!", "visibleLabel set via tab.label"); | |
| 36 | |
| 37 // Check that setting visibleLabel only affects the label element | |
| 38 tab.visibleLabel = "Goodnight, Irene"; | |
| 39 is(tab.label, "Hello, world!", "Tab.label unaffected by visibleLabel setter"); | |
| 40 is(xulLabel.value, "Goodnight, Irene", | |
| 41 "xul:label set by visibleLabel setter"); | |
| 42 is(tab.visibleLabel, "Goodnight, Irene", | |
| 43 "visibleLabel attribute set by visibleLabel setter"); | |
| 44 | |
| 45 // Check that setting the label property hits everything | |
| 46 tab.label = "One more label"; | |
| 47 is(tab.label, "One more label", | |
| 48 "Tab label set via label property after diverging from visibleLabel"); | |
| 49 is(xulLabel.value, "One more label", | |
| 50 "xul:label set via label property after diverging from visibleLabel"); | |
| 51 is(tab.visibleLabel, "One more label", | |
| 52 "visibleLabel set from label property after diverging from visibleLabel"); | |
| 53 | |
| 54 tab.addEventListener("TabLabelModified", overrideTabLabel, true); | |
| 55 tab.label = "This won't be the visibleLabel"; | |
| 56 } | |
| 57 | |
| 58 function overrideTabLabel(aEvent) { | |
| 59 aEvent.target.removeEventListener("TabLabelModified", overrideTabLabel, true); | |
| 60 aEvent.preventDefault(); | |
| 61 aEvent.stopPropagation(); | |
| 62 aEvent.target.visibleLabel = "Handler set this as the visible label"; | |
| 63 executeSoon(checkTabLabelModified); | |
| 64 } | |
| 65 | |
| 66 function checkTabLabelModified() { | |
| 67 let tab = gBrowser.selectedTab; | |
| 68 let xulLabel = document.getAnonymousElementByAttribute(tab, "anonid", | |
| 69 "tab-label"); | |
| 70 | |
| 71 is(tab.label, "This won't be the visibleLabel", | |
| 72 "Tab label set via label property that triggered event"); | |
| 73 is(xulLabel.value, "Handler set this as the visible label", | |
| 74 "xul:label set by TabLabelModified handler"); | |
| 75 is(tab.visibleLabel, "Handler set this as the visible label", | |
| 76 "visibleLabel set by TabLabelModified handler"); | |
| 77 | |
| 78 gBrowser.removeCurrentTab({animate: false}); | |
| 79 executeSoon(checkTabLabelModifiedOnNewTab); | |
| 80 } | |
| 81 | |
| 82 function checkTabLabelModifiedOnNewTab() { | |
| 83 gBrowser.tabContainer.addEventListener("TabLabelModified", | |
| 84 handleTabLabelModifiedOnNewTab, true); | |
| 85 let tab = gBrowser.selectedTab = gBrowser.addTab("about:blank", | |
| 86 {skipAnimation: true}); | |
| 87 } | |
| 88 | |
| 89 function handleTabLabelModifiedOnNewTab(aEvent) { | |
| 90 gBrowser.tabContainer.removeEventListener("TabLabelModified", | |
| 91 handleTabLabelModifiedOnNewTab, true); | |
| 92 ok(true, "Event received from new tab default being set"); | |
| 93 executeSoon(finish); | |
| 94 } |
