gecko/content/base/test/test_ipc_messagemanager_blob.html

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<!DOCTYPE HTML>
<html>
<head>
<title>Test for OOP Blobs in MessageManager</title>
<script type="application/javascript"
src="/tests/SimpleTest/SimpleTest.js">
</script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript;version=1.7">
"use strict";
SimpleTest.waitForExplicitFinish();
const childFrameURL =
"data:text/html,<!DOCTYPE HTML><html><body></body></html>";
function childFrameScript() {
"use strict";
addMessageListener("test:ipcClonedMessage", function(message) {
if (!(message.json instanceof Components.interfaces.nsIDOMBlob)) {
sendAsyncMessage(message.name, message.json);
return;
}
let reader =
Components.classes["@mozilla.org/files/filereader;1"]
.createInstance(Components.interfaces.nsIDOMFileReader);
reader.addEventListener("load", function() {
let response = reader.result == "this is a great success!" ?
message.json :
"error";
sendAsyncMessage(message.name, response);
});
reader.readAsText(message.json);
});
}
function runTests() {
ok("Browser prefs set.");
let iframe = document.createElement("iframe");
iframe.mozbrowser = true;
iframe.id = "iframe";
iframe.src = childFrameURL;
iframe.addEventListener("mozbrowserloadend", function() {
ok(true, "Got iframe load event.");
const messages = [
"hi!",
"",
2,
-.04,
3432987324987239872948732982,
true,
false,
null,
0,
new Blob(["this ", "is ", "a ", "great ", "success!"],
{"type" : "text\/plain"}),
];
let receivedMessageIndex = 0;
let mm = SpecialPowers.getBrowserFrameMessageManager(iframe);
mm.addMessageListener("test:ipcClonedMessage", function(message) {
// We need to wrap to access message.json, and unwrap to do the
// identity check.
is(SpecialPowers.unwrap(SpecialPowers.wrap(message).json),
messages[receivedMessageIndex++],
"Got correct round-tripped response");
if (receivedMessageIndex == messages.length) {
SpecialPowers.removePermission("browser", document);
SimpleTest.finish();
}
});
mm.loadFrameScript("data:,(" + childFrameScript.toString() + ")();",
false);
for each (let message in messages) {
mm.sendAsyncMessage("test:ipcClonedMessage", message);
}
});
document.body.appendChild(iframe);
}
addEventListener("load", function() {
info("Got load event.");
SpecialPowers.addPermission("browser", true, document);
SpecialPowers.pushPrefEnv({
"set": [
["dom.ipc.browser_frames.oop_by_default", true],
["dom.mozBrowserFramesEnabled", true],
["browser.pageThumbs.enabled", false]
]
}, runTests);
});
</script>
</body>
</html>