<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=998893
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 998893 - Ensure that input.value changes affect autocomplete</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="text/javascript">
  /** Test for Bug 998893 **/
  add_task(async function waitForFocus() {
    await new Promise(resolve => SimpleTest.waitForFocus(resolve));
  });

  add_task(async function setup() {
    await new Promise(resolve => {
      let chromeScript = SpecialPowers.loadChromeScript(function() {
        /* eslint-env mozilla/chrome-script */
        const {FormHistory} = ChromeUtils.import("resource://gre/modules/FormHistory.jsm");
        FormHistory.update([
          { op: "bump", fieldname: "field1", value: "Default text option" },
          { op: "bump", fieldname: "field1", value: "New value option" },
        ]).then(() => {
          sendAsyncMessage("Test:Resume");
        });
      });

      chromeScript.addMessageListener("Test:Resume", function resumeListener() {
        chromeScript.removeMessageListener("Test:Resume", resumeListener);
        chromeScript.destroy();
        resolve();
      });
    });
  });

  add_task(async function runTest() {
    let promisePopupShown = new Promise(resolve => {
      let chromeScript = SpecialPowers.loadChromeScript(function() {
        /* eslint-env mozilla/chrome-script */
        let window = Services.wm.getMostRecentWindow("navigator:browser");
        let popup = window.document.getElementById("PopupAutoComplete");
        popup.addEventListener("popupshown", function() {
          sendAsyncMessage("Test:Resume");
        }, {once: true});
      });

      chromeScript.addMessageListener("Test:Resume", function resumeListener() {
        chromeScript.removeMessageListener("Test:Resume", resumeListener);
        chromeScript.destroy();
        resolve();
      });
    });

    let field = document.getElementById("field1");

    let promiseFieldFocus = new Promise(resolve => {
      field.addEventListener("focus", function onFocus() {
        info("field focused");
        field.value = "New value";
        sendKey("DOWN");
        resolve();
      });
    });

    let handleEnterPromise = new Promise(resolve => {
      function handleEnter(evt) {
        if (evt.keyCode != KeyEvent.DOM_VK_RETURN) {
          return;
        }
        info("RETURN received for phase: " + evt.eventPhase);
        is(evt.target.value, "New value option", "Check that the correct autocomplete entry was used");
        resolve();
      }

      SpecialPowers.addSystemEventListener(field, "keypress", handleEnter, true);
    });

    field.focus();

    await promiseFieldFocus;

    await promisePopupShown;

    synthesizeKey("KEY_ArrowDown");
    synthesizeKey("KEY_Enter");
    synthesizeKey("KEY_Enter");

    await handleEnterPromise;
  });
  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=998893">Mozilla Bug 998893</a>
<p id="display"><input id="field1" value="Default text"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
</body>
</html>
