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<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test that filling an empty username into a form does not highlight the username element</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script type="text/javascript" src="pwmgr_common.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<script>
</script>
<body>
<p id="display"></p>
<div id="content">
<pre id="test">
<script>
add_setup(async () => {
  await setStoredLoginsAsync(
    [window.location.origin, "https://autofill", null, "", "pass1", "", ""]
  );
});

add_task(async function test_field_highlight_on_autofill() {
  let win = window.open("about:blank");
  SimpleTest.registerCleanupFunction(() => win.close());
  await loadFormIntoWindow(window.location.origin, `
    <form id="form1" action="https://autofill" onsubmit="return false;">
      <input  type="text"       id="uname">
      <input  type="password"   id="pword">
      <button type="submit">Submit</button>
    </form>`, win);

  await SpecialPowers.spawn(win, [], async function() {
    let EventUtils = ContentTaskUtils.getEventUtils(this.content);
    let doc = this.content.document;
    let username = doc.getElementById("uname");
    let password = doc.getElementById("pword");
    ok(!username.matches(":autofill"),
          "Highlight was not applied to the username field on page load autofill");
    ok(password.matches(":autofill"),
          "Highlight was successfully applied to the password field on page load autofill");

    // Test that initiating a change on the input value will remove the highlight. We check by pressing
    // the tab key after backspace(by shifting focus to the next element) because the tab key is known to
    // cause a bug where the highlight is applied once again.
    username.focus();
    await EventUtils.synthesizeKey("U", {}, this.content);
    await EventUtils.synthesizeKey("KEY_Tab", {}, this.content);

    ok(!username.matches(":autofill"), "Highlight is still not present on username element");

    await EventUtils.synthesizeKey("KEY_Backspace", {}, this.content);
    await EventUtils.synthesizeKey("KEY_Tab", {}, this.content);
    ok(!password.matches(":autofill"), "Highlight was successfully removed on change in value of password input element");
  });
});
</script>
</body>
</html>