зеркало из https://github.com/mozilla/gecko-dev.git
189 строки
5.6 KiB
HTML
189 строки
5.6 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=199692
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-->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Popup in test for Bug 199692</title>
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<style type="text/css">
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#content * {
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border: 2px solid black;
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margin: 2px;
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clear: both;
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height: 20px;
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overflow: hidden;
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}
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#txt, #static, #fixed, #absolute, #relative, #hidden, #float, #empty, #static, #relative {
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width: 200px !important;
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}
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</style>
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</head>
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<!--
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Elements are styled in such a way that they don't overlap visually
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unless they also overlap structurally.
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This file is designed to be opened from test_bug199692.html in a popup
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window, to guarantee that the window in which document.elementFromPoint runs
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is large enough to display all the elements being tested.
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-->
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=199692">Mozilla Bug 199692</a>
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<div id="content" style="width: 500px; background-color: #ccc;">
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<!-- element containing text -->
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<div id="txt" style="height: 30px;">txt</div>
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<!-- element not containing text -->
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<div id="empty" style="border: 2px solid blue;"></div>
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<!-- element with only whitespace -->
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<p id="whitespace" style="border: 2px solid magenta;"> </p>
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<!-- position: static -->
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<span id="static" style="position: static; border-color: green;">static</span>
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<!-- floated element -->
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<div id="float" style="border-color: red; float: right;">float</div>
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<!-- position: fixed -->
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<span id="fixed" style="position: fixed; top: 500px; left: 100px; border: 3px solid yellow;">fixed</span>
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<!-- position: absolute -->
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<span id="absolute" style="position: absolute; top: 550px; left: 150px; border-color: orange;">abs</span>
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<!-- position: relative -->
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<div id="relative" style="position: relative; top: 200px; border-color: teal;">rel</div>
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<!-- visibility: hidden -->
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<div id="hidden-wrapper" style="border: 1px dashed teal;">
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<div id="hidden" style="opacity: 0.5; background-color: blue; visibility:hidden;">hidden</div>
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</div>
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<!-- iframe (within iframe) -->
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<iframe id="our-iframe" src="bug199692-nested.html" style="height: 100px; overflow: scroll;"></iframe>
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<input type="textbox" id="textbox" value="textbox"></input>
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</div>
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<!-- interaction with scrolling -->
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<iframe id="scrolled-iframe"
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src="bug199692-scrolled.html#down"
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style="position: absolute; top: 345px; left: 325px; height: 200px; width: 200px"></iframe>
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<script type="application/javascript">
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var SimpleTest = window.opener.SimpleTest;
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function ok() { window.opener.ok.apply(window.opener, arguments); }
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function is() { window.opener.is.apply(window.opener, arguments); }
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function todo() { window.opener.todo.apply(window.opener, arguments); }
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function todo_is() { window.opener.todo_is.apply(window.opener, arguments); }
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function $(id) { return document.getElementById(id); }
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/**
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* Like is, but for tests which don't always succeed or always fail on all
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* platforms.
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*/
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function random_fail(a, b, m)
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{
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if (a != b)
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todo_is(a, b, m);
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else
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is(a, b, m);
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}
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/* Test for Bug 199692 */
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function getCoords(elt)
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{
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var x = 0, y = 0;
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do
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{
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x += elt.offsetLeft;
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y += elt.offsetTop;
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} while ((elt = elt.offsetParent));
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return { x: x, y: y };
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}
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var elts = ["txt", "empty", "whitespace", "static", "fixed", "absolute",
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"relative", "float", "textbox"];
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function testPoints()
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{
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ok('elementFromPoint' in document, "document.elementFromPoint must exist");
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ok(typeof document.elementFromPoint === "function", "must be a function");
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var doc = document;
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doc.pt = doc.elementFromPoint; // for shorter lines
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is(doc.pt(-1, 0), null, "Negative coordinates (-1, 0) should return null");
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is(doc.pt(0, -1), null, "Negative coordinates (0, -1) should return null");
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is(doc.pt(-1, -1), null, "Negative coordinates (-1, -1) should return null");
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var pos;
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for (var i = 0; i < elts.length; i++)
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{
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var id = elts[i];
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var elt = $(id);
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// The upper left corner of an element (with a moderate offset) will
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// usually contain text, and the lower right corner usually won't.
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var pos = getCoords(elt);
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var x = pos.x, y = pos.y;
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var w = elt.offsetWidth, h = elt.offsetHeight;
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var d = 5;
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is(doc.pt(x + d, y + d), elt,
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"(" + (x + d) + "," + (y + d) + ") IDs should match (upper left " +
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"corner of " + id + ")");
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is(doc.pt(x + w - d, y + h - d), elt,
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"(" + (x + w - d) + "," + (y + h - d) + ") IDs should match (lower " +
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"right corner of " + id + ")");
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}
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// content
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var c = $("content");
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pos = getCoords(c);
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x = pos.x + c.offsetWidth / 2;
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y = pos.y;
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// This fails on some platforms but not others for unknown reasons
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random_fail(doc.pt(x, y), c, "Point to right of #txt should be #content");
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is(doc.pt(x, y + 1), c, "Point to right of #txt should be #content");
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random_fail(doc.pt(x + 1, y), c, "Point to right of #txt should be #content");
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is(doc.pt(x + 1, y + 1), c, "Point to right of #txt should be #content");
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// hidden
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c = $("hidden");
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pos = getCoords(c);
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x = pos.x, y = pos.y;
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is(doc.pt(x, y), $("hidden-wrapper"),
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"Hit testing should bypass hidden elements.");
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// iframe nested
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var iframe = $("our-iframe");
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pos = getCoords(iframe);
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x = pos.x, y = pos.y;
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is(doc.pt(x + 20, y + 20), $("our-iframe"),
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"Element from nested iframe returned is from calling document");
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// iframe, doubly nested
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is(doc.pt(x + 60, y + 60), $("our-iframe"),
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"Element from doubly nested iframe returned is from calling document");
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// scrolled iframe tests
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$("scrolled-iframe").contentWindow.runTests();
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SimpleTest.finish();
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window.close();
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}
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window.onload = testPoints;
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</script>
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</body>
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</html>
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