firefox/toolkit/content/tests/chrome/test_autocomplete4.xhtml

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>

<window title="Autocomplete Widget Test 4"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        xmlns:html="http://www.w3.org/1999/xhtml">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>

<html:input id="autocomplete"
            is="autocomplete-input"
            completedefaultindex="true"
            autocompletesearch="simple"/>

<script class="testbody" type="application/javascript">
<![CDATA[

// Set to indicate whether or not we want autoCompleteSimple to return a result
var returnResult = true;

const IS_MAC = navigator.platform.includes("Mac");

const ACR = Ci.nsIAutoCompleteResult;

// This result can't be constructed in-line, because otherwise we leak memory.
function nsAutoCompleteSimpleResult(aString)
{
  this.searchString = aString;
  if (returnResult) {
    this.searchResult = ACR.RESULT_SUCCESS;
    this.matchCount = 1;
    this._param = "Result";
  }
}

nsAutoCompleteSimpleResult.prototype = {
 _param: "",
 searchString: null,
 searchResult: ACR.RESULT_FAILURE,
 defaultIndex: 0,
 errorDescription: null,
 matchCount: 0,
 getValueAt() { return this._param; },
 getCommentAt() { return null; },
 getStyleAt() { return null; },
 getImageAt() { return null; },
 getFinalCompleteValueAt() { return this.getValueAt(); },
 getLabelAt() { return null; },
 removeValueAt() {}
};

// A basic autocomplete implementation that either returns one result or none
var autoCompleteSimpleID = Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca");
var autoCompleteSimpleName = "@mozilla.org/autocomplete/search;1?name=simple"
var autoCompleteSimple = {
  QueryInterface: ChromeUtils.generateQI(["nsIFactory", "nsIAutoCompleteSearch"]),

  createInstance(iid) {
    return this.QueryInterface(iid);
  },

  startSearch(aString, aParam, aResult, aListener) {
    var result = new nsAutoCompleteSimpleResult(aString);
    aListener.onSearchResult(this, result);
  },

  stopSearch() {}
};

var componentManager = Components.manager
                                 .QueryInterface(Ci.nsIComponentRegistrar);
componentManager.registerFactory(autoCompleteSimpleID, "Test Simple Autocomplete",
                                 autoCompleteSimpleName, autoCompleteSimple);

let element = document.getElementById("autocomplete");

// Create stub to intercept `onSearchComplete` event.
element.onSearchComplete = function(original) {
  return function() {
    original.apply(this, arguments);
    searchComplete();
  };
}(element.onSearchComplete);

// Test Bug 325842 - completeDefaultIndex

SimpleTest.waitForExplicitFinish();

setTimeout(nextTest, 0);

var currentTest = null;

// Note the entries for these tests (key) are incremental.
const tests = [
  {
    desc: "HOME key remove selection",
    key: "KEY_Home",
    removeSelection: true,
    result: "re",
    start: 0, end: 0
  },
  {
    desc: "LEFT key remove selection",
    key: "KEY_ArrowLeft",
    removeSelection: true,
    result: "re",
    start: 1, end: 1
  },
  { desc: "RIGHT key remove selection",
    key: "KEY_ArrowRight",
    removeSelection: true,
    result: "re",
    start: 2, end: 2
  },
  { desc: "ENTER key remove selection",
    key: "KEY_Enter",
    removeSelection: true,
    result: "re",
    start: 2, end: 2
  },
  {
    desc: "HOME key",
    key: "KEY_Home",
    removeSelection: false,
    result: "Result",
    start: 0, end: 0
  },
  {
    desc: "LEFT key",
    key: "KEY_ArrowLeft",
    removeSelection: false,
    result: "Result",
    start: 5, end: 5
  },
  { desc: "RIGHT key",
    key: "KEY_ArrowRight",
    removeSelection: false,
    result: "Result",
    start: 6, end: 6
  },
  { desc: "RETURN key",
    key: "KEY_Enter",
    removeSelection: false,
    result: "Result",
    start: 6, end: 6
  },
  { desc: "TAB key should confirm suggestion when forcecomplete is set",
    key: "KEY_Tab",
    removeSelection: false,
    forceComplete: true,
    result: "Result",
    start: 6, end: 6
  },

  { desc: "RIGHT key complete from middle",
    key: "KEY_ArrowRight",
    forceComplete: true,
    completeFromMiddle: true,
    result: "Result",
    start: 6, end: 6
  },
  {
    desc: "RIGHT key w/ minResultsForPopup=2",
    key: "KEY_ArrowRight",
    removeSelection: false,
    minResultsForPopup: 2,
    result: "Result",
    start: 6, end: 6
  },
];

function nextTest() {
  if (!tests.length) {
    // No more tests to run, finish.
    setTimeout(function() {
      // Unregister the factory so that we don't get in the way of other tests
      componentManager.unregisterFactory(autoCompleteSimpleID, autoCompleteSimple);
      SimpleTest.finish();
    }, 0);
    return;
  }

  var autocomplete = $("autocomplete");
  autocomplete.value = "";
  currentTest = tests.shift();

  // HOME key works differently on Mac, so we skip tests using it.
  if (currentTest.key == "KEY_Home" && IS_MAC)
    nextTest();
  else
    setTimeout(runCurrentTest, 0);
}

function runCurrentTest() {
  var autocomplete = $("autocomplete");
  if ("minResultsForPopup" in currentTest)
    autocomplete.setAttribute("minresultsforpopup", currentTest.minResultsForPopup)
  else
    autocomplete.removeAttribute("minresultsforpopup");

  autocomplete.focus();

  if (!currentTest.completeFromMiddle) {
    sendString("re");
  }
  else {
    sendString("lt");
  }
}

function searchComplete() {
  var autocomplete = $("autocomplete");
  autocomplete.setAttribute("forcecomplete", currentTest.forceComplete);

  if (currentTest.completeFromMiddle) {
    if (!currentTest.forceComplete) {
      synthesizeKey(currentTest.key);
    }
    else if (!/ >> /.test(autocomplete.value)) {
      // At this point we should have a value like "lt >> Result" showing.
      throw new Error("Expected an middle-completed value, got " + autocomplete.value);
    }

    // For forceComplete a blur should cause a value from the results to get
    // completed to. E.g. "lt >> Result" will turn into "Result".
    if (currentTest.forceComplete)
      autocomplete.blur();

    checkResult();
    return;
  }

  is(autocomplete.value, "result",
     "Test '" + currentTest.desc + "': autocomplete.value should equal 'result'");

  if (autocomplete.selectionStart == 2) {  // Finished inserting "re" string.
    if (currentTest.removeSelection) {
      // remove current selection
      synthesizeKey("KEY_Delete");
    }

    synthesizeKey(currentTest.key);

    checkResult();
  }
}

function checkResult() {
  var autocomplete = $("autocomplete");

  is(autocomplete.value, currentTest.result,
     "Test '" + currentTest.desc + "': autocomplete.value should equal '" +
     currentTest.result + "'");

  is(autocomplete.selectionStart, currentTest.start,
     "Test '" + currentTest.desc + "': autocomplete selection should start at " +
     currentTest.start);

  is(autocomplete.selectionEnd, currentTest.end,
     "Test '" + currentTest.desc + "': autocomplete selection should end at " +
     currentTest.end);

  setTimeout(nextTest, 0);
}

]]>
</script>

<body xmlns="http://www.w3.org/1999/xhtml">
<p id="display">
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>

</window>