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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: dom/file/tests/xpcshell.toml
"use strict";
const { XPCShellContentUtils } = ChromeUtils.importESModule(
);
XPCShellContentUtils.init(this);
function childFrameScript() {
addMessageListener("test:ipcClonedMessage", function (message) {
if (!Blob.isInstance(message.json)) {
sendAsyncMessage(message.name, message.json);
return;
}
let reader = new FileReader();
reader.addEventListener("load", function () {
let response =
reader.result == "this is a great success!" ? message.json : "error";
sendAsyncMessage(message.name, response);
});
reader.readAsText(message.json);
});
}
add_task(async function test() {
let page = await XPCShellContentUtils.loadContentPage("about:blank", {
remote: true,
});
page.loadFrameScript(childFrameScript);
const blobString = "this is a great success!";
const messages = [
"hi!",
"",
2,
-0.04,
34329873249872400000000000000,
true,
false,
null,
0,
// Make sure this one is always last.
new Blob(["this ", "is ", "a ", "great ", "success!"], {
type: "text/plain",
}),
];
let receivedMessageIndex = 0;
let mm = page.browser.messageManager;
let done = new Promise(resolve => {
mm.addMessageListener("test:ipcClonedMessage", async message => {
let data = message.json;
if (Blob.isInstance(data)) {
equal(receivedMessageIndex, messages.length - 1, "Blob is last");
equal(
data.size,
messages[receivedMessageIndex].size,
"Correct blob size"
);
equal(
data.type,
messages[receivedMessageIndex].type,
"Correct blob type"
);
let reader1 = new FileReader();
reader1.readAsText(data);
let reader2 = new FileReader();
reader2.readAsText(messages[receivedMessageIndex]);
await Promise.all([
new Promise(res => (reader1.onload = res)),
new Promise(res => (reader2.onload = res)),
]);
equal(reader1.result, blobString, "Result 1");
equal(reader2.result, blobString, "Result 2");
resolve();
} else {
equal(
data,
messages[receivedMessageIndex++],
"Got correct round-tripped response"
);
}
});
});
for (let message of messages) {
mm.sendAsyncMessage("test:ipcClonedMessage", message);
}
await done;
await page.close();
});