test_createFile.js

Enable keyboard shortcuts

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,

);

  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 });

  Assert.notEqual(a.size, 0, "The size is correctly set");

  let b = await File.createFromNsIFile(unknownFile, { existenceCheck: false });

  Assert.equal(b.size, 0, "The size is 0 for unknown file");

  let c = await File.createFromNsIFile(existingFile, { existenceCheck: true });

  Assert.notEqual(c.size, 0, "The size is correctly set");

  let d = await File.createFromNsIFile(unknownFile, {

    existenceCheck: true,

  }).then(

    _ => true,

    _ => false

);

  Assert.strictEqual(d, false, "Exception thrown");

  existingFile.remove(true);

  ok(!existingFile.exists(), "exists.js doesn't exist anymore");

});