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JS - make window.pageYOffset/pageXOffset/scrollX/scrollY double

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This commit is contained in:
janekptacijarabaci 2017-08-10 18:01:49 +02:00 • committed by Roy Tam
commit 49ffafc979
16 changed files with 133 additions and 55 deletions
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19
docshell/test/file_bug1151421.html Normal file
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@ -0,0 +1,19 @@
<html>
<head>
<style>
body, html {
height: 100%;
}
.spacer {
height: 80%;
}
</style>
</head>
<body onload='(parent || opener).childLoad()'>
<div class="spacer"></div>
<div id="content">content</div>
<div class="spacer"></div>
</body>
</html>

2
docshell/test/mochitest.ini
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@ -32,6 +32,7 @@ support-files =
file_bug680257.html
file_bug703855.html
file_bug728939.html
file_bug1151421.html
file_pushState_after_document_open.html
historyframes.html
@ -85,6 +86,7 @@ support-files = file_bug668513.html
[test_bug797909.html]
[test_bug1045096.html]
[test_bug1121701.html]
[test_bug1151421.html]
[test_bug1186774.html]
[test_forceinheritprincipal_overrule_owner.html]
[test_framedhistoryframes.html]

14
docshell/test/navigation/file_scrollRestoration.html
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@ -26,7 +26,7 @@
}
case 2: {
opener.is(event.persisted, false, "Shouldn't have persisted session history entry.");
opener.isnot(window.scrollY, 0, "Should have restored scrolling.");
opener.isnot(Math.round(window.scrollY), 0, "Should have restored scrolling.");
opener.is(history.scrollRestoration, "auto", "Should have the same scrollRestoration as before reload.");
history.scrollRestoration = "manual";
window.onunload = function() {} // Disable bfcache.
@ -45,7 +45,7 @@
}
case 4: {
opener.is(event.persisted, true, "Should have persisted session history entry.");
opener.isnot(window.scrollY, 0, "Should have kept the old scroll position.");
opener.isnot(Math.round(window.scrollY), 0, "Should have kept the old scroll position.");
opener.is(history.scrollRestoration, "manual", "Should have the same scrollRestoration as before reload.");
window.scrollTo(0, 0);
window.location.hash = "hash";
@ -53,7 +53,7 @@
break;
}
case 5: {
opener.isnot(window.scrollY, 0, "Should have scrolled to #hash.");
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled to #hash.");
opener.is(history.scrollRestoration, "manual", "Should have the same scrollRestoration mode as before fragment navigation.");
window.onunload = function() {} // Disable bfcache.
opener.setTimeout("is(testWindow.history.scrollRestoration, 'auto'); testWindow.history.back();", 250);
@ -70,7 +70,7 @@
history.pushState({ state: "state2" }, "state2");
window.scrollTo(0, 0);
history.back();
opener.isnot(window.scrollY, 0, "Should have scrolled back to the state1's position");
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled back to the state1's position");
opener.is(history.state.state, "state1", "Unexpected state.");
history.scrollRestoration = "manual";
@ -79,17 +79,17 @@
history.pushState({ state: "state4" }, "state4");
window.scrollTo(0, 0);
history.back();
opener.is(window.scrollY, 0, "Shouldn't have scrolled back to the state3's position");
opener.is(Math.round(window.scrollY), 0, "Shouldn't have scrolled back to the state3's position");
opener.is(history.state.state, "state3", "Unexpected state.");
history.pushState({ state: "state5" }, "state5");
history.scrollRestoration = "auto";
document.getElementById("bottom").scrollIntoView();
opener.isnot(window.scrollY, 0, "Should have scrolled to 'bottom'.");
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled to 'bottom'.");
history.back();
window.scrollTo(0, 0);
history.forward();
opener.isnot(window.scrollY, 0, "Should have scrolled back to the state5's position");
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled back to the state5's position");
var ifr = document.createElement("iframe");
ifr.src = "data:text/html,";

61
docshell/test/test_bug1151421.html Normal file
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@ -0,0 +1,61 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1151421
-->
<head>
<title>Test for Bug 1151421</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1151421">Mozilla Bug 1151421</a>
<script type="application/javascript">
/** Test for Bug 1151421 **/
SimpleTest.waitForExplicitFinish();
function childLoad() {
// Spin the event loop so we leave the onload handler.
SimpleTest.executeSoon(childLoad2);
}
function childLoad2() {
let cw = iframe.contentWindow;
let content = cw.document.getElementById("content");
// Create a function to calculate an invariant.
let topPlusOffset = function()
{
return Math.round(content.getBoundingClientRect().top + cw.pageYOffset);
}
let initialTPO = topPlusOffset();
// Scroll the iframe to various positions, and check the TPO.
// Scrolling down to the bottom will adjust the page offset by a fractional amount.
let positions = [-100, 0.17, 0, 1.5, 10.41, 1e6, 12.1];
// Run some tests with scrollTo() and ensure we have the same invariant after scrolling.
positions.forEach(function(pos) {
cw.scrollTo(0, pos);
is(topPlusOffset(), initialTPO, "Top plus offset should remain invariant across scrolling.");
});
positions.reverse().forEach(function(pos) {
cw.scrollTo(0, pos);
is(topPlusOffset(), initialTPO, "(reverse) Top plus offset should remain invariant across scrolling.");
});
SimpleTest.finish();
}
</script>
<!-- When the iframe loads, it calls childLoad(). -->
<br>
<iframe height='100px' id='iframe' src='file_bug1151421.html'></iframe>
</body>
</html>

2
docshell/test/test_bug1186774.html
View file

@ -28,7 +28,7 @@ function runTest() {
}
child.onpopstate = function() {
is(child.scrollY, 6000, "Shouldn't have scrolled before popstate");
is(Math.round(child.scrollY), 6000, "Shouldn't have scrolled before popstate");
child.close();
SimpleTest.finish();
}

16
docshell/test/test_bug590573.html
View file

@ -147,21 +147,21 @@ function* testBody()
popup.scroll(0, 100);
popup.history.pushState('', '', '?pushed');
is(popup.scrollY, 100, "test 2");
is(Math.round(popup.scrollY), 100, "test 2");
popup.scroll(0, 200); // set state-2's position to 200
popup.history.back();
is(popup.scrollY, 100, "test 3");
is(Math.round(popup.scrollY), 100, "test 3");
popup.scroll(0, 150); // set original page's position to 150
popup.history.forward();
is(popup.scrollY, 200, "test 4");
is(Math.round(popup.scrollY), 200, "test 4");
popup.history.back();
is(popup.scrollY, 150, "test 5");
is(Math.round(popup.scrollY), 150, "test 5");
popup.history.forward();
is(popup.scrollY, 200, "test 6");
is(Math.round(popup.scrollY), 200, "test 6");
// At this point, the history looks like:
// PATH POSITION
@ -202,13 +202,13 @@ function* testBody()
is(popup.location.search, "?pushed");
ok(popup.document.getElementById('div1'), 'page should have div1.');
is(popup.scrollY, 200, "test 8");
is(Math.round(popup.scrollY), 200, "test 8");
popup.history.back();
is(popup.scrollY, 150, "test 9");
is(Math.round(popup.scrollY), 150, "test 9");
popup.history.forward();
is(popup.scrollY, 200, "test 10");
is(Math.round(popup.scrollY), 200, "test 10");
// Spin one last time...
setTimeout(pageLoad, 0);

4
docshell/test/test_bug653741.html
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@ -27,7 +27,7 @@ function childLoad2() {
// Save the Y offset. For sanity's sake, make sure it's not 0, because we
// should be at the bottom of the page!
let origYOffset = cw.pageYOffset;
let origYOffset = Math.round(cw.pageYOffset);
ok(origYOffset != 0, 'Original Y offset is not 0.');
// Scroll the iframe to the top, then navigate to #bottom again.
@ -37,7 +37,7 @@ function childLoad2() {
// bottom again.
cw.location = cw.location + '';
is(cw.pageYOffset, origYOffset, 'Correct offset after reloading page.');
is(Math.round(cw.pageYOffset), origYOffset, 'Correct offset after reloading page.');
SimpleTest.finish();
}

2
docshell/test/test_bug662170.html
View file

@ -32,7 +32,7 @@ function childLoad2() {
cw.scrollTo(0, 300);
// Did we actually scroll somewhere?
isnot(cw.pageYOffset, 0, 'Y offset should be non-zero after scrolling.');
isnot(Math.round(cw.pageYOffset), 0, 'Y offset should be non-zero after scrolling.');
// Now load file_bug662170.html#, which should take us to the top of the
// page.