test_paste_as_quote_in_text_control.html

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<!doctype html>

<html>

<head>

<meta charset="utf-8">

<title>Testing "paste" event dispatching for cmd_pasteQuote command</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

<script>

"use strict";

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(async () => {

  info("Waiting for initializing clipboard...");

  await SimpleTest.promiseClipboardChange(

    "plain text",

    () => SpecialPowers.clipboardCopyString("plain text")

);

  for (let selector of ["input", "textarea"]) {

    const textControl = document.querySelector(selector);

    textControl.focus();

    textControl.addEventListener(

      "paste",

      event => event.preventDefault(),

      {once: true}

);

    SpecialPowers.doCommand(window, "cmd_pasteQuote");

is(

      textControl.value,

"",

      `<${selector}> should not have pasted text because "paste" event should've been canceled`

);

    SpecialPowers.doCommand(window, "cmd_pasteQuote");

is(

      textControl.value.replace(/\n/g, ""),

      "> plain text",

      `<${selector}> should have pasted text with a ">"`

);

  SimpleTest.finish();

});

</script>

</head>

<body>

<input><textarea></textarea>

</body>

</html>