tenfourfox/dom/settings/tests/test_settings_observer_killer.html
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

69 lines
2.1 KiB
HTML

<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1193469
-->
<head>
<title>Test for Bug 1193469 Settings API</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/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=1193469">Mozilla Bug 1193469</a>
<p id="display"></p>
<div id="content" style="display: none">
<iframe></iframe>
</div>
<pre id="test">
<script class="testbody" type="text/javascript;version=1.7">
var url = SimpleTest.getTestFileURL("file_loadserver.js");
var script = SpecialPowers.loadChromeScript(url);
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPermissions([
{type: "settings-api-read", allow: 1, context: document},
{type: "settings-api-write", allow: 1, context: document},
{type: "settings-read", allow: 1, context: document},
{type: "settings-write", allow: 1, context: document},
{type: "settings-clear", allow: 1, context: document}
], function() {
SpecialPowers.pushPrefEnv({
set: [["dom.mozSettings.enabled", true]]
},
function () {
ok(true, "abusing observers");
var obs;
for (obs = 0; obs < 9; obs++) {
navigator.mozSettings.addObserver("fake.setting.key", function(v) {
// nothing to do for real ...
ok(false, "should not be called");
});
ok(true, "first: added observer #" + obs);
}
ok(true, "adding first observers, should not have thrown");
try {
ok(true, "second: adding new observer");
navigator.mozSettings.addObserver("fake.setting.key", function(v) {
// nothing to do for real ...
ok(false, "should not be called");
});
ok(false, "adding too many observers should have thrown");
} catch (ex) {
ok(true, "got exception when trying to add too many observers");
}
SimpleTest.finish();
});
});
</script>
</pre>
</body>
</html>