xpcom/tests/unit/test_ioutil.js


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/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
/* 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/. */

const util = Cc["@mozilla.org/io-util;1"].getService(Ci.nsIIOUtil);

function run_test() {
  try {
    util.inputStreamIsBuffered(null);
    do_throw("inputStreamIsBuffered should have thrown");
  } catch (e) {
    Assert.equal(e.result, Cr.NS_ERROR_INVALID_POINTER);
  }

  try {
    util.outputStreamIsBuffered(null);
    do_throw("outputStreamIsBuffered should have thrown");
  } catch (e) {
    Assert.equal(e.result, Cr.NS_ERROR_INVALID_POINTER);
  }

  var s = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
    Ci.nsIStringInputStream
  );
  var body = "This is a test";
  s.setData(body, body.length);
  Assert.equal(util.inputStreamIsBuffered(s), true);
}