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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* Test of accessing over 2 GiB local folder. */
const { PromiseTestUtils } = ChromeUtils.importESModule(
);
// Find hdr for message whose offset is over 2 GiB.
function findHugeMessageHdr(folder) {
//getMessageHdr() {
for (const header of folder.msgDatabase.enumerateMessages()) {
if (header.messageOffset >= 0x80000000) {
return header;
}
}
do_throw("Over 2 GiB msgkey was not found!");
return null; // This won't ever happen, but we're keeping the linter happy.
}
let gInboxFile;
let gInbox;
const gSmallMsgFile = do_get_file("../../../data/bugmail10");
add_setup(async function () {
// Make sure we're using mbox.
Services.prefs.setCharPref(
"mail.serverDefaultStoreContractID",
"@mozilla.org/msgstore/berkeleystore;1"
);
localAccountUtils.loadLocalMailAccount();
gInbox = localAccountUtils.inboxFolder;
gInboxFile = gInbox.filePath;
const neededFreeSpace = 0x100000000;
const freeDiskSpace = gInboxFile.diskSpaceAvailable;
info("Free disk space = " + mailTestUtils.toMiBString(freeDiskSpace));
if (freeDiskSpace < neededFreeSpace) {
throw new Error(
"This test needs " +
mailTestUtils.toMiBString(neededFreeSpace) +
" free space to run. Aborting."
);
}
});
// Extend mbox file to over 2 GiB.
add_task(async function extendPast2GiB() {
const outputStream = Cc["@mozilla.org/network/file-output-stream;1"]
.createInstance(Ci.nsIFileOutputStream)
.QueryInterface(Ci.nsISeekableStream);
// Open in write-only mode, no truncate.
outputStream.init(gInboxFile, 0x02, -1, 0);
// seek past 2GB.
outputStream.seek(0, 0x80000010);
// Write a "space" character.
outputStream.write(" ", 1);
outputStream.close();
});
// Copy another (normal sized) message into the local folder.
// This message should be past the 2GiB position.
add_task(async function appendSmallMessage() {
// Remember initial mbox file size.
const initialInboxSize = gInbox.filePath.fileSize;
info(`Local inbox size (before copyFileMessage()) = ${initialInboxSize}`);
const copyListener = new PromiseTestUtils.PromiseCopyListener();
MailServices.copy.copyFileMessage(
gSmallMsgFile,
gInbox,
null /* msgToReplace*/,
false /* isDraftOrTemplate */,
0 /* message flags */,
"" /* keywords */,
copyListener,
null /* window */
);
await copyListener.promise;
// Make sure inbox file grew (i.e., we were not writing over data).
const localInboxSize = gInbox.filePath.fileSize;
info(
"Local inbox size (after copyFileMessageInLocalFolder()) = " +
localInboxSize
);
Assert.greater(localInboxSize, initialInboxSize);
});
// Copy the huge message into a subfolder.
add_task(async function copyHugeMessage() {
const trash =
localAccountUtils.incomingServer.rootMsgFolder.getChildNamed("Trash");
const copyListener = new PromiseTestUtils.PromiseCopyListener();
MailServices.copy.copyMessages(
gInbox,
[findHugeMessageHdr(gInbox)],
trash /* destFolder */,
false,
copyListener,
null,
false
);
await copyListener.promise;
});
// Read out the smaller message beyond the 2 GiB offset and make sure
// it matches what we expect.
add_task(async function verifySmallMessage() {
const msghdr = findHugeMessageHdr(gInbox);
const msgURI = msghdr.folder.getUriForMsg(msghdr);
const msgServ = MailServices.messageServiceFromURI(msgURI);
const streamListener = new PromiseTestUtils.PromiseStreamListener();
msgServ.streamMessage(msgURI, streamListener, null, null, false, "", true);
const got = await streamListener.promise;
const expected = await IOUtils.readUTF8(gSmallMsgFile.path);
Assert.equal(got, expected);
});
add_task(async function cleanup() {
// Free up disk space - if you want to look at the file after running
// this test, comment out this line.
gInbox.filePath.remove(false);
});