mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
337 lines
11 KiB
HTML
337 lines
11 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=542058
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-->
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<head>
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<title>Test for MediaQueryList (Bug 542058)</title>
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<script type="application/javascript" 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 onload="run()">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=542058">Mozilla Bug 542058</a>
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<iframe id="subdoc" src="about:blank"></iframe>
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<div id="content" style="display:none"></div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for MediaQueryList (Bug 542058) **/
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SimpleTest.waitForExplicitFinish();
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function run() {
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var iframe = document.getElementById("subdoc");
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var subdoc = iframe.contentDocument;
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var subwin = iframe.contentWindow;
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var subroot = subdoc.documentElement;
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var content_div = document.getElementById("content");
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content_div.style.font = "initial";
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var em_size =
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getComputedStyle(content_div, "").fontSize.match(/^(\d+)px$/)[1];
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var w = Math.floor(em_size * 9.3);
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var h = Math.floor(em_size * 4.2);
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iframe.style.width = w + "px";
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iframe.style.height = h + "px";
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subroot.offsetWidth; // flush layout
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function setup_mql(str) {
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var obj = {
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str: str,
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mql: subwin.matchMedia(str),
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notifyCount: 0,
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listener: function(mql) {
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is(mql, obj.mql,
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"correct argument to listener: " + obj.str);
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++obj.notifyCount;
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// Test the last match result only on odd
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// notifications.
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if (obj.notifyCount & 1) {
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obj.lastOddMatchResult = mql.matches;
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}
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}
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}
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obj.mql.addListener(obj.listener);
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return obj;
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}
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function finish_mql(obj) {
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obj.mql.removeListener(obj.listener);
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}
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var w_exact_w = setup_mql("(width: " + w + "px)");
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var w_min_9em = setup_mql("(min-width : 9em)");
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var w_min_10em = setup_mql("( min-width: 10em ) ");
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var w_max_9em = setup_mql("(max-width: 9em)");
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var w_max_10em = setup_mql("(max-width: 10em)");
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is(w_exact_w.mql.media, "(width: " + w + "px)", "serialization");
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is(w_min_9em.mql.media, "(min-width: 9em)", "serialization");
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is(w_min_10em.mql.media, "(min-width: 10em)", "serialization");
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is(w_max_9em.mql.media, "(max-width: 9em)", "serialization");
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is(w_max_10em.mql.media, "(max-width: 10em)", "serialization");
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function check_match(obj, expected, desc) {
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is(obj.mql.matches, expected,
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obj.str + " media query list .matches " + desc);
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if (obj.notifyCount & 1) { // odd notifications only
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is(obj.lastOddMatchResult, expected,
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obj.str + " media query list last notify result " + desc);
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}
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}
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function check_notify(obj, expected, desc) {
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is(obj.notifyCount, expected,
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obj.str + " media query list .notify count " + desc);
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}
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check_match(w_exact_w, true, "initially");
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check_notify(w_exact_w, 0, "initially");
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check_match(w_min_9em, true, "initially");
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check_notify(w_min_9em, 0, "initially");
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check_match(w_min_10em, false, "initially");
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check_notify(w_min_10em, 0, "initially");
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check_match(w_max_9em, false, "initially");
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check_notify(w_max_9em, 0, "initially");
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check_match(w_max_10em, true, "initially");
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check_notify(w_max_10em, 0, "initially");
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var w2 = Math.floor(em_size * 10.3);
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iframe.style.width = w2 + "px";
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subroot.offsetWidth; // flush layout
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check_match(w_exact_w, false, "after width increase to around 10.3em");
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check_notify(w_exact_w, 1, "after width increase to around 10.3em");
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check_match(w_min_9em, true, "after width increase to around 10.3em");
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check_notify(w_min_9em, 0, "after width increase to around 10.3em");
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check_match(w_min_10em, true, "after width increase to around 10.3em");
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check_notify(w_min_10em, 1, "after width increase to around 10.3em");
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check_match(w_max_9em, false, "after width increase to around 10.3em");
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check_notify(w_max_9em, 0, "after width increase to around 10.3em");
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check_match(w_max_10em, false, "after width increase to around 10.3em");
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check_notify(w_max_10em, 1, "after width increase to around 10.3em");
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var w3 = w * 2;
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iframe.style.width = w3 + "px";
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subroot.offsetWidth; // flush layout
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check_match(w_exact_w, false, "after width double from original");
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check_notify(w_exact_w, 1, "after width double from original");
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check_match(w_min_9em, true, "after width double from original");
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check_notify(w_min_9em, 0, "after width double from original");
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check_match(w_min_10em, true, "after width double from original");
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check_notify(w_min_10em, 1, "after width double from original");
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check_match(w_max_9em, false, "after width double from original");
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check_notify(w_max_9em, 0, "after width double from original");
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check_match(w_max_10em, false, "after width double from original");
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check_notify(w_max_10em, 1, "after width double from original");
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SpecialPowers.setFullZoom(subwin, 2.0);
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subroot.offsetWidth; // flush layout
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check_match(w_exact_w, true, "after zoom");
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check_notify(w_exact_w, 2, "after zoom");
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check_match(w_min_9em, true, "after zoom");
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check_notify(w_min_9em, 0, "after zoom");
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check_match(w_min_10em, false, "after zoom");
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check_notify(w_min_10em, 2, "after zoom");
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check_match(w_max_9em, false, "after zoom");
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check_notify(w_max_9em, 0, "after zoom");
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check_match(w_max_10em, true, "after zoom");
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check_notify(w_max_10em, 2, "after zoom");
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SpecialPowers.setFullZoom(subwin, 1.0);
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finish_mql(w_exact_w);
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finish_mql(w_min_9em);
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finish_mql(w_min_10em);
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finish_mql(w_max_9em);
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finish_mql(w_max_10em);
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// Additional tests of listener mutation.
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(function() {
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var received = [];
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var received_mql = [];
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function listener1(mql) {
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received.push(1);
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received_mql.push(mql);
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}
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function listener2(mql) {
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received.push(2);
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received_mql.push(mql);
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}
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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var mql = subwin.matchMedia("(min-width: 150px)");
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mql.addListener(listener1);
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mql.addListener(listener1);
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mql.addListener(listener2);
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is(JSON.stringify(received), "[]", "listeners before notification");
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iframe.style.width = "100px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(received), "[1,2]", "duplicate listeners removed");
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received = [];
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mql.removeListener(listener1);
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(received), "[2]", "listener removal");
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received = [];
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mql.addListener(listener1);
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iframe.style.width = "100px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(received), "[2,1]", "listeners notified in order");
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received = [];
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mql.addListener(listener2);
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(received), "[2,1]", "add of existing listener is no-op");
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received = [];
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mql.addListener(listener1);
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iframe.style.width = "100px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(received), "[2,1]", "add of existing listener is no-op");
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mql.removeListener(listener2);
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received = [];
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received_mql = [];
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var mql2 = subwin.matchMedia("(min-width: 160px)");
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mql2.addListener(listener1);
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mql.addListener(listener2);
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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// mql (1, 2), mql2 (1)
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is(JSON.stringify(received), "[1,2,1]",
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"notification of lists in order created");
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is(received_mql[0], mql,
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"notification of lists in order created");
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is(received_mql[1], mql,
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"notification of lists in order created");
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is(received_mql[2], mql2,
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"notification of lists in order created");
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received = [];
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received_mql = [];
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function removing_listener(mql) {
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received.push(3);
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received_mql.push(mql);
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mql.removeListener(listener2);
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mql2.removeListener(listener1);
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}
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mql.addListener(removing_listener);
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mql.removeListener(listener2);
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mql.addListener(listener2); // after removing_listener (3)
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iframe.style.width = "100px";
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subroot.offsetWidth; // flush layout
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// mql(1, 3, 2) mql2(1)
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is(JSON.stringify(received), "[1,3,2,1]",
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"listeners still notified after removed if change was before");
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is(received_mql[0], mql,
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"notification order (removal tests)");
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is(received_mql[1], mql,
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"notification order (removal tests)");
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is(received_mql[2], mql,
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"notification order (removal tests)");
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is(received_mql[3], mql2,
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"notification order (removal tests)");
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received = [];
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received_mql = [];
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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// mql(1, 3)
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is(JSON.stringify(received), "[1,3]",
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"listeners not notified for changes after their removal");
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is(received_mql[0], mql,
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"notification order (removal tests)");
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is(received_mql[1], mql,
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"notification order (removal tests)");
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})();
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/* Bug 716751: null-dereference crash */
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(function() {
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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var mql = subwin.matchMedia("(min-width: 150px)");
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mql.addListener(null);
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iframe.style.width = "100px";
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subroot.offsetWidth; // flush layout
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// With the bug, we crash here. No need for test assertions.
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mql.removeListener(null);
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mql.removeListener(null);
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})();
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/* Bug 753777: test that things work in a freshly-created iframe */
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(function() {
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var iframe = document.createElement("iframe");
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document.body.appendChild(iframe);
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is(iframe.contentWindow.matchMedia("(min-width: 1px)").matches, true,
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"(min-width: 1px) should match in newly-created iframe");
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is(iframe.contentWindow.matchMedia("(max-width: 1px)").matches, false,
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"(max-width: 1px) should not match in newly-created iframe");
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document.body.removeChild(iframe);
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})();
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/* Bug 716751: listeners lost due to GC */
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var gc_received = [];
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(function() {
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var received = [];
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var listener1 = function(mql) {
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gc_received.push(1);
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}
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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var mql = subwin.matchMedia("(min-width: 150px)");
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mql.addListener(listener1);
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is(JSON.stringify(gc_received), "[]", "GC test: before notification");
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iframe.style.width = "100px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(gc_received), "[1]", "GC test: after notification 1");
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// Because of conservative GC, we need to go back to the event loop
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// to GC properly.
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setTimeout(step2, 0);
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})();
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function step2() {
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SpecialPowers.DOMWindowUtils.garbageCollect();
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iframe.style.width = "200px";
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subroot.offsetWidth; // flush layout
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is(JSON.stringify(gc_received), "[1,1]", "GC test: after notification 2");
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SimpleTest.finish();
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}
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}
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</script>
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</pre>
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</body>
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</html>
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