/* vim:set ts=2 sw=2 sts=2 et: */
/* 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/. */

// Tests that code completion works properly.

const TEST_URI = "data:text/html;charset=utf8,<p>test code completion";

let jsterm;

let test = asyncTest(function* () {
  yield loadTab(TEST_URI);

  let hud = yield openConsole();

  jsterm = hud.jsterm;
  let input = jsterm.inputNode;

  // Test typing 'docu'.
  input.value = "docu";
  input.setSelectionRange(4, 4);
  yield complete(jsterm.COMPLETE_HINT_ONLY);

  is(input.value, "docu", "'docu' completion (input.value)");
  is(jsterm.completeNode.value, "    ment", "'docu' completion (completeNode)");

  // Test typing 'docu' and press tab.
  input.value = "docu";
  input.setSelectionRange(4, 4);
  yield complete(jsterm.COMPLETE_FORWARD);

  is(input.value, "document", "'docu' tab completion");
  is(input.selectionStart, 8, "start selection is alright");
  is(input.selectionEnd, 8, "end selection is alright");
  is(jsterm.completeNode.value.replace(/ /g, ""), "", "'docu' completed");

  // Test typing 'window.Ob' and press tab.  Just 'window.O' is
  // ambiguous: could be window.Object, window.Option, etc.
  input.value = "window.Ob";
  input.setSelectionRange(9, 9);
  yield complete(jsterm.COMPLETE_FORWARD);

  is(input.value, "window.Object", "'window.Ob' tab completion");

  // Test typing 'document.getElem'.
  input.value = "document.getElem";
  input.setSelectionRange(16, 16);
  yield complete(jsterm.COMPLETE_FORWARD);

  is(input.value, "document.getElem", "'document.getElem' completion");
  is(jsterm.completeNode.value, "                entsByTagNameNS", "'document.getElem' completion");

  // Test pressing tab another time.
  yield jsterm.complete(jsterm.COMPLETE_FORWARD);

  is(input.value, "document.getElem", "'document.getElem' completion");
  is(jsterm.completeNode.value, "                entsByTagName", "'document.getElem' another tab completion");

  // Test pressing shift_tab.
  complete(jsterm.COMPLETE_BACKWARD);

  is(input.value, "document.getElem", "'document.getElem' untab completion");
  is(jsterm.completeNode.value, "                entsByTagNameNS", "'document.getElem' completion");

  jsterm.clearOutput();

  input.value = "docu";
  yield complete(jsterm.COMPLETE_HINT_ONLY);

  is(jsterm.completeNode.value, "    ment", "'docu' completion");
  yield jsterm.execute();
  is(jsterm.completeNode.value, "", "clear completion on execute()");

  // Test multi-line completion works
  input.value =                 "console.log('one');\nconsol";
  yield complete(jsterm.COMPLETE_HINT_ONLY);

  is(jsterm.completeNode.value, "                   \n      e", "multi-line completion");

  // Test non-object autocompletion.
  input.value = "Object.name.sl";
  yield complete(jsterm.COMPLETE_HINT_ONLY);

  is(jsterm.completeNode.value, "              ice", "non-object completion");

  // Test string literal autocompletion.
  input.value = "'Asimov'.sl";
  yield complete(jsterm.COMPLETE_HINT_ONLY);

  is(jsterm.completeNode.value, "           ice", "string literal completion");

  jsterm = null;
});


function complete(type) {
  let updated = jsterm.once("autocomplete-updated");
  jsterm.complete(type);
  return updated;
}