Quelle test_bug629172.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/editor/libeditor/tests/test_bug629172.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 629172</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=629172">Mozilla Bug 629172</a>
<p id="display"></p>
<div id="content">
<textarea id="ltr-ref">test.</textarea>
<textarea id="rtl-ref" style="display: none; direction: rtl">test.</textarea>
</div>
<pre id="test">
<script>

/** Test for Bug 629172 **/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async function() {
  await SpecialPowers.pushPrefEnv({
    set: [["test.events.async.enabled", true]],
  });

  let LTRRef = document.getElementById("ltr-ref");
  let RTLRef = document.getElementById("rtl-ref");
  let ReferenceScreenshots = {};

  // generate the reference screenshots
  document.body.clientWidth;
  ReferenceScreenshots.ltr = snapshotWindow(window);
  LTRRef.remove();
  RTLRef.style.display = "";
  document.body.clientWidth;
  ReferenceScreenshots.rtl = snapshotWindow(window);
  RTLRef.remove();

  async function testDirection(initialDir) {
    function revertDir(aDir) {
      return aDir == "rtl" ? "ltr" : "rtl";
    }

    function promiseFormatSetBlockTextDirectionInputEvent(aElement) {
      return new Promise(resolve => {
        function handler(aEvent) {
          if (aEvent.inputType !== "formatSetBlockTextDirection") {
            ok(false, `Unexpected input event received: inputType="${aEvent.inputType}"`);
          } else {
            aElement.removeEventListener("input", handler, true);
            SimpleTest.executeSoon(resolve);
          }
        }
        aElement.addEventListener("input", handler, true);
      });
    }

    let textarea = document.createElement("textarea");
    textarea.setAttribute("dir", initialDir);
    textarea.value = "test.";
    document.getElementById("content").appendChild(textarea);
    document.body.clientWidth;
    assertSnapshots(snapshotWindow(window), ReferenceScreenshots[initialDir],
                    /* expectEqual = */ true, /* fuzz = */ null,
                    `<textarea dir="${initialDir}"> before Accel+Shift+X`,
                    `<textarea dir="${initialDir}">`);
    textarea.focus();
    let waitForInputEvent = promiseFormatSetBlockTextDirectionInputEvent(textarea);
    synthesizeKey("X", {accelKey: true, shiftKey: true});
    await waitForInputEvent;
    is(textarea.getAttribute("dir"), revertDir(initialDir),
       "The dir attribute must be correctly updated with first Accel+Shift+X");
    textarea.blur();
    assertSnapshots(snapshotWindow(window), ReferenceScreenshots[revertDir(initialDir)],
                    /* expectEqual = */ true, /* fuzz = */ null,
                    `<textarea dir="${initialDir}"> after first Accel+Shift+X`,
                    `<textarea dir="${revertDir(initialDir)}">`);
    textarea.focus();
    waitForInputEvent = promiseFormatSetBlockTextDirectionInputEvent(textarea);
    synthesizeKey("X", {accelKey: true, shiftKey: true});
    await waitForInputEvent;
    is(textarea.getAttribute("dir"), initialDir,
       "The dir attribute must be correctly recovered with second Accel+Shift+X");
    textarea.blur();
    assertSnapshots(snapshotWindow(window), ReferenceScreenshots[initialDir],
                    /* expectEqual = */ true, /* fuzz = */ null,
                    `<textarea dir="${initialDir}"> after second Accel+Shift+X`,
                    `<textarea dir="${initialDir}">`);
    textarea.remove();
  }

  await testDirection("ltr");
  await testDirection("rtl");

  SimpleTest.finish();
});

</script>
</pre>
</body>
</html>

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