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add_task(async function test() {
await SpecialPowers.pushPrefEnv({
set: [["browser.tabs.remote.separateFileUriProcess", true]],
});
let fileData = "";
for (var i = 0; i < 100; ++i) {
fileData += "hello world!";
}
let file = Services.dirsvc.get("ProfD", Ci.nsIFile);
file.append("file.txt");
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
let outStream = Cc[
"@mozilla.org/network/file-output-stream;1"
].createInstance(Ci.nsIFileOutputStream);
outStream.init(
file,
0x02 | 0x08 | 0x20, // write, create, truncate
// eslint-disable-next-line no-octal
0666,
0
);
outStream.write(fileData, fileData.length);
outStream.close();
let fileHandler = Services.io
.getProtocolHandler("file")
.QueryInterface(Ci.nsIFileProtocolHandler);
let fileURL = fileHandler.getURLSpecFromActualFile(file);
info("Opening url: " + fileURL);
let tab = BrowserTestUtils.addTab(gBrowser, fileURL);
let browser = gBrowser.getBrowserForTab(tab);
await BrowserTestUtils.browserLoaded(browser);
let blob = await SpecialPowers.spawn(
browser,
[file.leafName],
function (fileName) {
return new content.window.Promise(resolve => {
let xhr = new content.window.XMLHttpRequest();
xhr.responseType = "blob";
xhr.open("GET", fileName);
xhr.send();
xhr.onload = function () {
resolve(xhr.response);
};
});
}
);
ok(File.isInstance(blob), "We have a file");
is(blob.size, file.fileSize, "The size matches");
is(blob.name, file.leafName, "The name is correct");
file.remove(false);
gBrowser.removeTab(tab);
});
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