test_nsIEditor_documentCharacterSet.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta http-equiv="Content-Type" content="text/html,charset=utf-8">

  <title>Tests of nsIEditor#documentCharacterSet</title>

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

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

  <script>

    SimpleTest.waitForExplicitFinish();

    SimpleTest.waitForFocus(() => {

      const originalBody = document.body.innerHTML;

      (function test_with_text_editor() {

        for (const test of [

              tag: "input",

              innerHTML: "<input>",

},

              tag: "textarea",

              innerHTML: "<textarea></textarea>",

},

          ]) {

            document.body.innerHTML = test.innerHTML;

            const textControl = document.body.querySelector(test.tag);

            const editor = SpecialPowers.wrap(textControl).editor;

            try {

              editor.documentCharacterSet;

              ok(false, `TextEditor::GetDocumentCharacterSet() for <${test.tag}> should throw an exception`);

            } catch (e) {

              ok(true, `TextEditor::GetDocumentCharacterSet() for <${test.tag}> should throw an exception`);

            try {

              editor.documentCharacterSet = "windows-1252";

              ok(false, `TextEditor::SetDocumentCharacterSet() for <${test.tag}> should throw an exception`);

            } catch (e) {

              ok(true, `TextEditor::SetDocumentCharacterSet() for <${test.tag}> should throw an exception`);

      })();

      function getHTMLEditor(win = window) {

        const editingSession = SpecialPowers.wrap(win).docShell.editingSession;

        if (!editingSession) {

          return null;

        return editingSession.getEditorForWindow(win);

      (function test_with_contenteditable() {

        document.body.innerHTML = "<div contenteditable><p>abc</p></div>";

        const editor = getHTMLEditor();

        is(editor.documentCharacterSet, "UTF-8",

          "HTMLEditor::GetDocumentCharacterSet() should return \"UTF-8\"");

        editor.documentCharacterSet = "windows-1252";

        is(document.querySelector("meta[http-equiv]").getAttribute("content"), "text/html,charset=windows-1252",

          "HTMLEditor::SetDocumentCharacterSet() should add <meta> element whose \"http-equiv\" attribute has \"windows-1252\"");

        is(editor.documentCharacterSet, "windows-1252",

          "HTMLEditor::GetDocumentCharacterSet() should return \"windows-1252\" after setting the value");

        editor.documentCharacterSet = "utf-8";

        is(document.querySelector("meta[http-equiv]").getAttribute("content"), "text/html,charset=utf-8",

          "HTMLEditor::SetDocumentCharacterSet() should add <meta> element whose \"http-equiv\" attribute has \"utf-8\"");

        is(editor.documentCharacterSet, "UTF-8",

          "HTMLEditor::GetDocumentCharacterSet() should return \"UTF-8\" after setting the value");

      })();

      (function test_with_designMode() {

        while (document.querySelector("meta")) {

          document.querySelector("meta").remove();

        document.body.innerHTML = "<iframe></iframe>";

        const editdoc = document.querySelector("iframe").contentDocument;

        editdoc.designMode = "on";

        const editor = getHTMLEditor(document.querySelector("iframe").contentWindow);

        editor.documentCharacterSet = "us-ascii";

        const metaWithHttpEquiv = editdoc.getElementsByTagName("meta")[0];

        is(metaWithHttpEquiv.getAttribute("http-equiv"), "Content-Type",

          "meta element should have http-equiv");

        is(metaWithHttpEquiv.getAttribute("content"), "text/html;charset=us-ascii",

          "charset should be set as us-ascii");

        const dummyMeta = editdoc.createElement("meta");

        dummyMeta.setAttribute("name", "keywords");

        dummyMeta.setAttribute("content", "test");

        metaWithHttpEquiv.parentNode.insertBefore(dummyMeta, metaWithHttpEquiv);

        editor.documentCharacterSet = "utf-8";

        is(dummyMeta, editdoc.getElementsByTagName("meta")[0],

          "<meta> element shouldn't be touched");

        isnot(dummyMeta.getAttribute("http-equiv"), "Content-Type",

          "first meta element shouldn't have http-equiv");

        is(metaWithHttpEquiv, editdoc.getElementsByTagName("meta")[1],

          "The second <meta> element should be reused");

        is(metaWithHttpEquiv.getAttribute("http-equiv"), "Content-Type",

          "second meta element should have http-equiv");

        is(metaWithHttpEquiv.getAttribute("content"), "text/html;charset=utf-8",

          "charset should be set as utf-8");

      })();

      document.body.innerHTML = originalBody;

      SimpleTest.finish();

});

  </script>

</head>

<body>

<p id="display"></p>

<div id="content" style="display: none"></div>

<pre id="test"></pre>

</body>

</html>