mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
ba8841c136
Note that this does not change the IID of nsIDOMMozCSSKeyframesRule since neither the method signature nor semantics have changed; only the name is different.
116 lines
3.2 KiB
HTML
116 lines
3.2 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<!--
|
|
https://bugzilla.mozilla.org/show_bug.cgi?id=634373
|
|
-->
|
|
<head>
|
|
<title>Test for Bug 634373</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=634373">Mozilla Bug 634373</a>
|
|
<p id="display"></p>
|
|
<div id="content" style="display: none">
|
|
|
|
</div>
|
|
<pre id="test">
|
|
<script type="application/javascript">
|
|
|
|
/** Test for Bug 634373 **/
|
|
|
|
function make_rule_and_remove_sheet(text, getter) {
|
|
var style = document.createElement("style");
|
|
style.setAttribute("type", "text/css");
|
|
style.appendChild(document.createTextNode(text));
|
|
document.head.appendChild(style);
|
|
var result = style.sheet.cssRules[0];
|
|
if (getter) {
|
|
result = getter(result);
|
|
}
|
|
document.head.removeChild(style);
|
|
style = null;
|
|
SpecialPowers.DOMWindowUtils.garbageCollect();
|
|
return result;
|
|
}
|
|
|
|
var gDisplayCS = getComputedStyle(document.getElementById("display"), "");
|
|
|
|
function keep_rule_alive_by_matching(rule) {
|
|
// It's the caller's job to guarantee that the rule matches a p.
|
|
// This just causes a style flush, which in turn keeps the rule alive
|
|
// until the next style flush.
|
|
var color = gDisplayCS.color;
|
|
return rule;
|
|
}
|
|
|
|
function get_rule_and_child(rule) {
|
|
return [rule, rule.cssRules[0]];
|
|
}
|
|
|
|
function get_only_child(rule) {
|
|
return rule.cssRules[0];
|
|
}
|
|
|
|
var rule;
|
|
|
|
// In this case, the rule goes away immediately, so we're testing
|
|
// the DOM wrapper's handling of a null rule, rather than the rule's
|
|
// handling of a null sheet.
|
|
rule = make_rule_and_remove_sheet("p { color: blue }");
|
|
rule.style.color = "";
|
|
try {
|
|
rule.style.color = "fuchsia";
|
|
} catch(ex) {}
|
|
|
|
rule = make_rule_and_remove_sheet("p { color: blue }",
|
|
keep_rule_alive_by_matching);
|
|
try {
|
|
rule.style.color = "";
|
|
} catch(ex) {}
|
|
try {
|
|
rule.style.color = "fuchsia";
|
|
} catch(ex) {}
|
|
|
|
rule = make_rule_and_remove_sheet("@media screen { p { color: blue } }",
|
|
get_rule_and_child);
|
|
rule[1].style.color = "";
|
|
try {
|
|
rule[1].style.color = "fuchsia";
|
|
} catch(ex) {}
|
|
|
|
// In this case, the rule goes away immediately, so we're testing
|
|
// the DOM wrapper's handling of a null rule, rather than the rule's
|
|
// handling of a null sheet.
|
|
rule = make_rule_and_remove_sheet("@media screen { p { color: blue } }",
|
|
get_only_child);
|
|
rule.style.color = "";
|
|
try {
|
|
rule.style.color = "fuchsia";
|
|
} catch(ex) {}
|
|
|
|
rule = make_rule_and_remove_sheet("@media screen { p { color: blue } }",
|
|
function(rule) {
|
|
return keep_rule_alive_by_matching(
|
|
get_only_child(rule));
|
|
});
|
|
try {
|
|
rule.style.color = "";
|
|
} catch(ex) {}
|
|
try {
|
|
rule.style.color = "fuchsia";
|
|
} catch(ex) {}
|
|
|
|
rule = make_rule_and_remove_sheet("@keyframes a { from { color: blue } }");
|
|
rule.appendRule("from { color: fuchsia}");
|
|
rule.deleteRule("from");
|
|
rule.name = "b";
|
|
rule.cssRules[0].keyText = "50%";
|
|
|
|
ok(true, "didn't crash");
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|