gecko/toolkit/components/console/hudservice/tests/browser/browser_webconsole_completion.js

/* vim:set ts=2 sw=2 sts=2 et: */
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 *  Patrick Walton <pcwalton@mozilla.com>
 *  Julian Viereck <jviereck@mozilla.com>
 *  Mihai Sucan <mihai.sucan@gmail.com>
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// Tests that code completion works properly.

const TEST_URI = "http://example.com/browser/toolkit/components/console/hudservice/tests/browser/test-console.html";

function test() {
  addTab(TEST_URI);
  browser.addEventListener("DOMContentLoaded", testCompletion, false);
}

function testCompletion() {
  browser.removeEventListener("DOMContentLoaded", testCompletion, false);

  openConsole();

  hudId = HUDService.displaysIndex()[0];

  var HUD = HUDService.hudReferences[hudId];
  var jsterm = HUD.jsterm;
  var input = jsterm.inputNode;

  // Test typing 'docu'.
  input.value = "docu";
  input.setSelectionRange(4, 4);
  jsterm.complete(jsterm.COMPLETE_HINT_ONLY);
  is(input.value, "document", "'docu' completion");
  is(input.selectionStart, 4, "start selection is alright");
  is(input.selectionEnd, 8, "end selection is alright");

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

  // Test typing 'document.getElem'.
  input.value = "document.getElem";
  input.setSelectionRange(16, 16);
  jsterm.complete(jsterm.COMPLETE_HINT_ONLY);
  is(input.value, "document.getElementById", "'document.getElem' completion");
  is(input.selectionStart, 16, "start selection is alright");
  is(input.selectionEnd, 23, "end selection is alright");

  // Test pressing tab another time.
  jsterm.complete(jsterm.COMPLETE_FORWARD);
  is(input.value, "document.getElementsByClassName", "'document.getElem' another tab completion");
  is(input.selectionStart, 16, "start selection is alright");
  is(input.selectionEnd, 31, "end selection is alright");

  // Test pressing shift_tab.
  jsterm.complete(jsterm.COMPLETE_BACKWARD);
  is(input.value, "document.getElementById", "'document.getElem' untab completion");
  is(input.selectionStart, 16, "start selection is alright");
  is(input.selectionEnd, 23, "end selection is alright");

  jsterm.clearOutput();
  jsterm.history.splice(0);   // workaround for bug 592552

  HUD = jsterm = input = null;
  finishTest();
}