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ede8c44ef2
This excludes dom/, otherwise the file size is too large for phabricator to handle. This is an autogenerated commit to handle scripts loading mochitest harness files, in the simple case where the script src is on the same line as the tag. This was generated with https://bug1544322.bmoattachments.org/attachment.cgi?id=9058170 using the `--part 2` argument. Differential Revision: https://phabricator.services.mozilla.com/D27456 --HG-- extra : moz-landing-system : lando
62 lines
1.8 KiB
HTML
62 lines
1.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1151421
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-->
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<head>
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<title>Test for Bug 1151421</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1151421">Mozilla Bug 1151421</a>
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<script type="application/javascript">
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/** Test for Bug 1151421 **/
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SimpleTest.waitForExplicitFinish();
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function childLoad() {
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// Spin the event loop so we leave the onload handler.
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SimpleTest.executeSoon(childLoad2);
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}
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function childLoad2() {
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let iframe = document.getElementById("iframe");
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let cw = iframe.contentWindow;
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let content = cw.document.getElementById("content");
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// Create a function to calculate an invariant.
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let topPlusOffset = function() {
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return Math.round(content.getBoundingClientRect().top + cw.pageYOffset);
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};
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let initialTPO = topPlusOffset();
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// Scroll the iframe to various positions, and check the TPO.
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// Scrolling down to the bottom will adjust the page offset by a fractional amount.
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let positions = [-100, 0.17, 0, 1.5, 10.41, 1e6, 12.1];
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// Run some tests with scrollTo() and ensure we have the same invariant after scrolling.
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positions.forEach(function(pos) {
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cw.scrollTo(0, pos);
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is(topPlusOffset(), initialTPO, "Top plus offset should remain invariant across scrolling.");
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});
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positions.reverse().forEach(function(pos) {
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cw.scrollTo(0, pos);
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is(topPlusOffset(), initialTPO, "(reverse) Top plus offset should remain invariant across scrolling.");
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});
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SimpleTest.finish();
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}
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</script>
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<!-- When the iframe loads, it calls childLoad(). -->
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<br>
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<iframe height='100px' id='iframe' src='file_bug1151421.html'></iframe>
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</body>
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</html>
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