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add_task(async function () {
do_get_profile();
let existingFile = Services.dirsvc
.QueryInterface(Ci.nsIProperties)
.get("ProfD", Ci.nsIFile);
existingFile.append("exists.js");
existingFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
var outStream = Cc[
"@mozilla.org/network/file-output-stream;1"
].createInstance(Ci.nsIFileOutputStream);
outStream.init(
existingFile,
0x02 | 0x08 | 0x20, // write, create, truncate
0o666,
0
);
var fileData = "Hello World!";
outStream.write(fileData, fileData.length);
outStream.close();
ok(existingFile.exists(), "exists.js exists");
let unknownFile = Services.dirsvc
.QueryInterface(Ci.nsIProperties)
.get("TmpD", Ci.nsIFile);
unknownFile.append("wow.txt");
ok(!unknownFile.exists(), unknownFile.path + " doesn't exist");
let a = await File.createFromNsIFile(existingFile, { existenceCheck: false });
ok(a.size != 0, "The size is correctly set");
let b = await File.createFromNsIFile(unknownFile, { existenceCheck: false });
ok(b.size == 0, "The size is 0 for unknown file");
let c = await File.createFromNsIFile(existingFile, { existenceCheck: true });
ok(c.size != 0, "The size is correctly set");
let d = await File.createFromNsIFile(unknownFile, {
existenceCheck: true,
}).then(
_ => true,
_ => false
);
ok(d === false, "Exception thrown");
existingFile.remove(true);
ok(!existingFile.exists(), "exists.js doesn't exist anymore");
});
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