layout/generic/test/test_bug263683.html
author Emilio Cobos Álvarez <emilio@crisal.io>
Sat, 03 Dec 2022 13:53:24 +0100
changeset 644613 d17c3b5d62f062cb82f540a210afb05ff87f9c70
parent 469643 4c15baa5aa95c93096d6b0d7050aab8bb0fc2e8e
permissions -rw-r--r--
Bug 1638052 - Another test that uses buttonborder is expected to fail on macOS too. MANUAL PUSH: Orange fix CLOSED TREE

<!DOCTYPE HTML>
<!-- 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/. -->
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=263683
-->

<head>
  <title>Test for Bug 263683</title>
  <script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>

<body onload="onLoad();" onunload="onUnload();">
  <a target="_blank"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=263683">
    Mozilla Bug 263683
  </a>
  <p id="display"></p>
  <div id="content" style="display: none">
  </div>

  <pre id="test">
    <script type="application/javascript">

      /** Test for Bug 263683 **/
    
      SimpleTest.waitForExplicitFinish();

      var userSetBG = false;
      var userValueBG = null;
      var prefNameBG = "ui.textHighlightBackground";
      var userSetFG = false;
      var userValueFG = null;
      var prefNameFG = "ui.textHighlightForeground";

      function onLoad() {
        SpecialPowers.pushPrefEnv({'set': [[prefNameBG, "#EF0FFF"], [prefNameFG, "#FFFFFF"]]}, startTest);
      }

      function startTest() {
        var textToSelect = document.getElementById("selecttext");

        // Take a snapshot now. This will be used to check that removing the
        // ranges removes the highlighting correctly
        var noHighlight = snapshotWindow(window);

        var controller = SpecialPowers.wrap(window).
           docShell.
           QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor).
           getInterface(SpecialPowers.Ci.nsISelectionDisplay).
           QueryInterface(SpecialPowers.Ci.nsISelectionController);

        // Get selection
        var findSelection = controller.getSelection(controller.SELECTION_FIND);

        // Lastly add range
        var range = document.createRange();
        range.selectNodeContents(textToSelect);
        findSelection.addRange(range);

        // Take a snapshot of the highlighting
        var highlighted = snapshotWindow(window);

        // Clear the highlighting, and take another snapshot
        findSelection.removeAllRanges();
        var removedHighlight = snapshotWindow(window);

        // Manually "highlight" the text so we can check the rendering
        textToSelect.style.backgroundColor="#EF0FFF";
        textToSelect.style.color="#FFFFFF";
        var manualHighlight = snapshotWindow(window);

        // Test 1: Did the highlighting render correctly?
        var res = compareSnapshots(highlighted, manualHighlight, true);
        ok(res[0], "SELECTION_FIND highlighting renders correctly");

        // Test 2: Does removing the ranges from the SELECTION_FIND selection
        // work as expected?
        res = compareSnapshots(removedHighlight, noHighlight, true);
        ok(res[0], "Removing ranges from FIND_SELECTION works correctly");

        SimpleTest.finish();
      }

    </script>
  </pre>

  <p><span id="selecttext">Text to be selected</span></p>
</body>
</html>