test_file2.js - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

Cu.importGlobalProperties(['File']);

add_task(async function() {

  // throw if anything goes wrong

  // find the current directory path

  var file = Cc["@mozilla.org/file/directory_service;1"]

             .getService(Ci.nsIProperties)

             .get("CurWorkD", Ci.nsIFile);

  file.append("xpcshell.toml");

  // should be able to construct a file

  var f1 = await File.createFromFileName(file.path);

  // and with nsIFiles

  var f2 = await File.createFromNsIFile(file);

  // do some tests

  Assert.ok(f1 instanceof File, "Should be a DOM File");

  Assert.ok(f2 instanceof File, "Should be a DOM File");

  Assert.ok(f1.name == "xpcshell.toml", "Should be the right file");

  Assert.ok(f2.name == "xpcshell.toml", "Should be the right file");

  Assert.ok(f1.type == "", "Should be the right type");

  Assert.ok(f2.type == "", "Should be the right type");

  var threw = false;

  try {

    // Needs a ctor argument

    var f7 = File();

  } catch (e) {

    threw = true;

  Assert.ok(threw, "No ctor arguments should throw");

  var threw = false;

  try {

    // Needs a valid ctor argument

    var f7 = File(Date(132131532));

  } catch (e) {

    threw = true;

  Assert.ok(threw, "Passing a random object should fail");

  var threw = false

  try {

    // Directories fail

    var dir = Cc["@mozilla.org/file/directory_service;1"]

                .getService(Ci.nsIProperties)

                .get("CurWorkD", Ci.nsIFile);

    var f7 = await File.createFromNsIFile(dir)

  } catch (e) {

    threw = true;

  Assert.ok(threw, "Can't create a File object for a directory");

});