/* 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/. */

function run_test() {

  var cps = new ContentPrefInstance(null);

  // Make sure disk synchronization checking is turned off by default.
  var statement = cps.DBConnection.createStatement("PRAGMA synchronous");
  statement.executeStep();
  do_check_eq(0, statement.getInt32(0));

  // These are the different types of aGroup arguments we'll test.
  var anObject = {"foo":"bar"};                                // a simple object
  var uri = ContentPrefTest.getURI("http://www.example.com/"); // nsIURI
  var stringURI = "www.example.com";                           // typeof = "string"
  var stringObjectURI = new String("www.example.com");         // typeof = "object"

  // First check that all the methods work or don't work.
  function simple_test_methods(aGroup, shouldThrow) {
    var prefName = "test.pref.0";
    var prefValue = Math.floor(Math.random() * 100);

    if (shouldThrow) {
      do_check_thrown(function() { cps.getPref(aGroup, prefName); });
      do_check_thrown(function() { cps.setPref(aGroup, prefName, prefValue); });
      do_check_thrown(function() { cps.hasPref(aGroup, prefName); });
      do_check_thrown(function() { cps.removePref(aGroup, prefName); });
      do_check_thrown(function() { cps.getPrefs(aGroup); });
    } else {
      do_check_eq(cps.setPref(aGroup, prefName, prefValue), undefined);
      do_check_true(cps.hasPref(aGroup, prefName));
      do_check_eq(cps.getPref(aGroup, prefName), prefValue);
      do_check_eq(cps.removePref(aGroup, prefName), undefined);
      do_check_false(cps.hasPref(aGroup, prefName));
    }
  }

  simple_test_methods(cps, true); // arbitrary nsISupports object, should throw too
  simple_test_methods(anObject, true);
  simple_test_methods(uri, false);
  simple_test_methods(stringURI, false);
  simple_test_methods(stringObjectURI, false);

  // Now we'll check that each argument produces the same result.
  function complex_test_methods(aGroup) {
    var prefName = "test.pref.1";
    var prefValue = Math.floor(Math.random() * 100);

    do_check_eq(cps.setPref(aGroup, prefName, prefValue), undefined);

    do_check_true(cps.hasPref(uri, prefName));
    do_check_true(cps.hasPref(stringURI, prefName));
    do_check_true(cps.hasPref(stringObjectURI, prefName));

    do_check_eq(cps.getPref(uri, prefName), prefValue);
    do_check_eq(cps.getPref(stringURI, prefName), prefValue);
    do_check_eq(cps.getPref(stringObjectURI, prefName), prefValue);

    do_check_eq(cps.removePref(aGroup, prefName), undefined);

    do_check_false(cps.hasPref(uri, prefName));
    do_check_false(cps.hasPref(stringURI, prefName));
    do_check_false(cps.hasPref(stringObjectURI, prefName));
  }

  complex_test_methods(uri);
  complex_test_methods(stringURI);
  complex_test_methods(stringObjectURI);

  // test getPrefs returns the same prefs
  do_check_eq(cps.setPref(stringObjectURI, "test.5", 5), undefined);
  do_check_eq(cps.setPref(stringURI, "test.2", 2), undefined);
  do_check_eq(cps.setPref(uri, "test.1", 1), undefined);

  enumerateAndCheck(cps.getPrefs(uri), 8, ["test.1", "test.2", "test.5"]);
  enumerateAndCheck(cps.getPrefs(stringURI), 8, ["test.1", "test.2", "test.5"]);
  enumerateAndCheck(cps.getPrefs(stringObjectURI), 8, ["test.1", "test.2", "test.5"]);

  do_check_eq(cps.setPref(uri, "test.4", 4), undefined);
  do_check_eq(cps.setPref(stringObjectURI, "test.0", 0), undefined);

  enumerateAndCheck(cps.getPrefs(uri), 12, ["test.0", "test.1", "test.2", "test.4", "test.5"]);
  enumerateAndCheck(cps.getPrefs(stringURI), 12, ["test.0", "test.1", "test.2", "test.4", "test.5"]);
  enumerateAndCheck(cps.getPrefs(stringObjectURI), 12, ["test.0", "test.1", "test.2", "test.4", "test.5"]);

  do_check_eq(cps.setPref(stringURI, "test.3", 3), undefined);

  enumerateAndCheck(cps.getPrefs(uri), 15, ["test.0", "test.1", "test.2", "test.3", "test.4", "test.5"]);
  enumerateAndCheck(cps.getPrefs(stringURI), 15, ["test.0", "test.1", "test.2", "test.3", "test.4", "test.5"]);
  enumerateAndCheck(cps.getPrefs(stringObjectURI), 15, ["test.0", "test.1", "test.2", "test.3", "test.4", "test.5"]);
}

function do_check_thrown(aCallback) {
  var exThrown = false;
  try {
    aCallback();
    do_throw("NS_ERROR_ILLEGAL_VALUE should have been thrown here");
  } catch (e) {
    do_check_eq(e.result, Cr.NS_ERROR_ILLEGAL_VALUE);
    exThrown = true;
  }
  do_check_true(exThrown);
}

function enumerateAndCheck(prefs, expectedSum, expectedNames) {
  var enumerator = prefs.enumerator;
  var sum = 0;
  while (enumerator.hasMoreElements()) {
    var property = enumerator.getNext().QueryInterface(Components.interfaces.nsIProperty);
    sum += parseInt(property.value);

    // remove the pref name from the list of expected names
    var index = expectedNames.indexOf(property.name);
    do_check_true(index >= 0);
    expectedNames.splice(index, 1);
  }
  do_check_eq(sum, expectedSum);
  // check all pref names have been removed from the array
  do_check_eq(expectedNames.length, 0);
}
