The Tor Browser / file comparison
comparison: toolkit/content/tests/browser/browser_bug295977_autoscroll_overflow.js
toolkit/content/tests/browser/browser_bug295977_autoscroll_overflow.js
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| -1:000000000000 | 0:087bf0692a11 |
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| 1 function test() | |
| 2 { | |
| 3 const kPrefName_AutoScroll = "general.autoScroll"; | |
| 4 Services.prefs.setBoolPref(kPrefName_AutoScroll, true); | |
| 5 | |
| 6 gBrowser.selectedTab = gBrowser.addTab(); | |
| 7 | |
| 8 const expectScrollNone = 0; | |
| 9 const expectScrollVert = 1; | |
| 10 const expectScrollHori = 2; | |
| 11 const expectScrollBoth = 3; | |
| 12 | |
| 13 var allTests = [ | |
| 14 {dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body><style type="text/css">div { display: inline-block; }</style>\ | |
| 15 <div id="a" style="width: 100px; height: 100px; overflow: hidden;"><div style="width: 200px; height: 200px;"></div></div>\ | |
| 16 <div id="b" style="width: 100px; height: 100px; overflow: auto;"><div style="width: 200px; height: 200px;"></div></div>\ | |
| 17 <div id="c" style="width: 100px; height: 100px; overflow-x: auto; overflow-y: hidden;"><div style="width: 200px; height: 200px;"></div></div>\ | |
| 18 <div id="d" style="width: 100px; height: 100px; overflow-y: auto; overflow-x: hidden;"><div style="width: 200px; height: 200px;"></div></div>\ | |
| 19 <select id="e" style="width: 100px; height: 100px;" multiple="multiple"><option>aaaaaaaaaaaaaaaaaaaaaaaa</option><option>a</option><option>a</option>\ | |
| 20 <option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option>\ | |
| 21 <option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option></select>\ | |
| 22 <select id="f" style="width: 100px; height: 100px;"><option>a</option><option>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</option><option>a</option>\ | |
| 23 <option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option>\ | |
| 24 <option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option></select>\ | |
| 25 <div id="g" style="width: 99px; height: 99px; border: 10px solid black; margin: 10px; overflow: auto;"><div style="width: 100px; height: 100px;"></div></div>\ | |
| 26 <div id="h" style="width: 100px; height: 100px; overflow: -moz-hidden-unscrollable;"><div style="width: 200px; height: 200px;"></div></div>\ | |
| 27 <iframe id="iframe" style="display: none;"></iframe>\ | |
| 28 </body></html>'}, | |
| 29 {elem: 'a', expected: expectScrollNone}, | |
| 30 {elem: 'b', expected: expectScrollBoth}, | |
| 31 {elem: 'c', expected: expectScrollHori}, | |
| 32 {elem: 'd', expected: expectScrollVert}, | |
| 33 {elem: 'e', expected: expectScrollVert}, | |
| 34 {elem: 'f', expected: expectScrollNone}, | |
| 35 {elem: 'g', expected: expectScrollBoth}, | |
| 36 {elem: 'h', expected: expectScrollNone}, | |
| 37 {dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body id="i" style="overflow-y: scroll"><div style="height: 2000px"></div>\ | |
| 38 <iframe id="iframe" style="display: none;"></iframe>\ | |
| 39 </body></html>'}, | |
| 40 {elem: 'i', expected: expectScrollVert}, // bug 695121 | |
| 41 {dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><style>html, body { width: 100%; height: 100%; overflow-x: hidden; overflow-y: scroll; }</style>\ | |
| 42 <body id="j"><div style="height: 2000px"></div>\ | |
| 43 <iframe id="iframe" style="display: none;"></iframe>\ | |
| 44 </body></html>'}, | |
| 45 {elem: 'j', expected: expectScrollVert} // bug 914251 | |
| 46 ]; | |
| 47 | |
| 48 var doc; | |
| 49 | |
| 50 function nextTest() { | |
| 51 var test = allTests.shift(); | |
| 52 if (!test) { | |
| 53 endTest(); | |
| 54 return; | |
| 55 } | |
| 56 | |
| 57 if (test.dataUri) { | |
| 58 startLoad(test.dataUri); | |
| 59 return; | |
| 60 } | |
| 61 | |
| 62 var elem = doc.getElementById(test.elem); | |
| 63 | |
| 64 let firstTimestamp = undefined; | |
| 65 function checkScroll(timestamp) { | |
| 66 if (firstTimestamp === undefined) { | |
| 67 firstTimestamp = timestamp; | |
| 68 } | |
| 69 | |
| 70 // This value is calculated similarly to the value of the same name in | |
| 71 // ClickEventHandler.autoscrollLoop, except here it's cumulative across | |
| 72 // all frames after the first one instead of being based only on the | |
| 73 // current frame. | |
| 74 let timeCompensation = (timestamp - firstTimestamp) / 20; | |
| 75 info("timestamp=" + timestamp + " firstTimestamp=" + firstTimestamp + | |
| 76 " timeCompensation=" + timeCompensation); | |
| 77 | |
| 78 // Try to wait until enough time has passed to allow the scroll to happen. | |
| 79 // autoscrollLoop incrementally scrolls during each animation frame, but | |
| 80 // due to how its calculations work, when a frame is very close to the | |
| 81 // previous frame, no scrolling may actually occur during that frame. | |
| 82 // After 20ms's worth of frames, timeCompensation will be 1, making it | |
| 83 // more likely that the accumulated scroll in autoscrollLoop will be >= 1, | |
| 84 // although it also depends on acceleration, which here in this test | |
| 85 // should be > 1 due to how it synthesizes mouse events below. | |
| 86 if (timeCompensation < 1) { | |
| 87 window.mozRequestAnimationFrame(checkScroll); | |
| 88 return; | |
| 89 } | |
| 90 | |
| 91 // Close the autoscroll popup by synthesizing Esc. | |
| 92 EventUtils.synthesizeKey("VK_ESCAPE", {}, gBrowser.contentWindow); | |
| 93 var scrollVert = test.expected & expectScrollVert; | |
| 94 ok((scrollVert && elem.scrollTop > 0) || | |
| 95 (!scrollVert && elem.scrollTop == 0), | |
| 96 test.elem+' should'+(scrollVert ? '' : ' not')+' have scrolled vertically'); | |
| 97 var scrollHori = test.expected & expectScrollHori; | |
| 98 ok((scrollHori && elem.scrollLeft > 0) || | |
| 99 (!scrollHori && elem.scrollLeft == 0), | |
| 100 test.elem+' should'+(scrollHori ? '' : ' not')+' have scrolled horizontally'); | |
| 101 | |
| 102 // Before continuing the test, we need to ensure that the IPC | |
| 103 // message that stops autoscrolling has had time to arrive. | |
| 104 executeSoon(nextTest); | |
| 105 }; | |
| 106 EventUtils.synthesizeMouse(elem, 50, 50, { button: 1 }, | |
| 107 gBrowser.contentWindow); | |
| 108 | |
| 109 // This ensures bug 605127 is fixed: pagehide in an unrelated document | |
| 110 // should not cancel the autoscroll. | |
| 111 var iframe = gBrowser.contentDocument.getElementById("iframe"); | |
| 112 var e = iframe.contentDocument.createEvent("pagetransition"); | |
| 113 e.initPageTransitionEvent("pagehide", true, true, false); | |
| 114 iframe.contentDocument.dispatchEvent(e); | |
| 115 iframe.contentDocument.documentElement.dispatchEvent(e); | |
| 116 | |
| 117 EventUtils.synthesizeMouse(elem, 100, 100, | |
| 118 { type: "mousemove", clickCount: "0" }, | |
| 119 gBrowser.contentWindow); | |
| 120 | |
| 121 // Start checking for the scroll. | |
| 122 window.mozRequestAnimationFrame(checkScroll); | |
| 123 } | |
| 124 | |
| 125 waitForExplicitFinish(); | |
| 126 | |
| 127 nextTest(); | |
| 128 | |
| 129 function startLoad(dataUri) { | |
| 130 gBrowser.selectedBrowser.addEventListener("pageshow", onLoad, false); | |
| 131 gBrowser.loadURI(dataUri); | |
| 132 } | |
| 133 | |
| 134 function onLoad() { | |
| 135 gBrowser.selectedBrowser.removeEventListener("pageshow", onLoad, false); | |
| 136 waitForFocus(onFocus, content); | |
| 137 } | |
| 138 | |
| 139 function onFocus() { | |
| 140 doc = gBrowser.contentDocument; | |
| 141 nextTest(); | |
| 142 } | |
| 143 | |
| 144 function endTest() { | |
| 145 // restore the changed prefs | |
| 146 if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll)) | |
| 147 Services.prefs.clearUserPref(kPrefName_AutoScroll); | |
| 148 | |
| 149 // cleaning-up | |
| 150 gBrowser.removeCurrentTab(); | |
| 151 | |
| 152 // waitForFocus() fixes a failure in the next test if the latter runs too soon. | |
| 153 waitForFocus(finish); | |
| 154 } | |
| 155 } |
