Quelle test_nsIEditor_insertNode.html

Sprache: HTML

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

<!doctype>
<html>
<head>
<meta charset="utf-8">
<title>nsIEditor.insertNode</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script>
"use strict";

function stringifyInputEvent(aEvent) {
  if (!aEvent) {
    return "null";
  }
  return `${aEvent.type}: { inputType=${aEvent.inputType} }`;
}

function getRangeDescription(range) {
  function getNodeDescription(node) {
    if (!node) {
      return "null";
    }
    switch (node.nodeType) {
      case Node.TEXT_NODE:
        return `${node.nodeName} "${node.data}"`;
      case Node.ELEMENT_NODE:
        return `<${node.nodeName.toLowerCase()}>`;
      default:
        return `${node.nodeName}`;
    }
  }
  if (range === null) {
    return "null";
  }
  if (range === undefined) {
    return "undefined";
  }
  return range.startContainer == range.endContainer &&
    range.startOffset == range.endOffset
    ? `(${getNodeDescription(range.startContainer)}, ${range.startOffset})`
    : `(${getNodeDescription(range.startContainer)}, ${
        range.startOffset
      }) - (${getNodeDescription(range.endContainer)}, ${range.endOffset})`;
}

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(() => {
  const editingHost = document.querySelector("div[contenteditable]");
  const editor =
    SpecialPowers.wrap(window).docShell.editingSession.getEditorForWindow(window);

  editingHost.focus();

  let events = [];
  editingHost.addEventListener("input", event => events.push(event));

  (function test_insert_text_to_start() {
    editor.insertNode(document.createTextNode("abc"), editingHost, 0);
    is(
      editingHost.innerHTML,
      "abc<br>",
      "test_insert_text_to_start: insertNode() should insert new text node at start of the container"
    );
    is(
      events.length,
      1,
      "test_insert_text_to_start: Only one input event should be fired when insertNode() inserts a text node"
    );
    is(
      stringifyInputEvent(events[0]),
      stringifyInputEvent({ type: "input", inputType: "" }),
      "test_insert_text_to_start: input event should be fired when inserting a node"
    );
    is(
      getRangeDescription(getSelection().getRangeAt(0)),
      getRangeDescription({
        startContainer: editingHost,
        startOffset: 1,
        endContainer: editingHost,
        endOffset: 1,
      }),
      "test_insert_text_to_start: insertNode() should collapse selection after the inserted text node"
    );
  })();

  (function test_insert_span_to_big_index() {
    events = [];
    editingHost.innerHTML = "abc";
    const span = document.createElement("span");
    span.textContent = "def";
    editor.insertNode(span, editingHost, 1000);
    is(
      editingHost.innerHTML,
      "abc<span>def</span>",
      "test_insert_span_to_big_index: insertNode() with big index should insert new node at end of the container"
    );
    is(
      events.length,
      1,
      "test_insert_span_to_big_index: Only one input event should be fired when insertNode() inserts a node"
    );
    is(
      stringifyInputEvent(events[0]),
      stringifyInputEvent({ type: "input", inputType: "" }),
      "test_insert_span_to_big_index: input event should be fired when inserting a node"
    );
    is(
      getRangeDescription(getSelection().getRangeAt(0)),
      getRangeDescription({
        startContainer: editingHost,
        startOffset: 2,
        endContainer: editingHost,
        endOffset: 2,
      }),
      "test_insert_span_to_big_index: insertNode() should collapse selection after the inserted node"
    );
  })();

  (function test_preserve_selection() {
    events = [];
    editingHost.innerHTML = "abc";
    const span = document.createElement("span");
    span.textContent = "def";
    getSelection().collapse(editingHost, 0);
    editor.insertNode(span, editingHost, 1, true);
    is(
      editingHost.innerHTML,
      "abc<span>def</span>",
      "test_preserve_selection: insertNode() should insert new node at end of the container"
    );
    is(
      events.length,
      1,
      "test_preserve_selection: Only one input event should be fired when insertNode() inserts a node"
    );
    is(
      stringifyInputEvent(events[0]),
      stringifyInputEvent({ type: "input", inputType: "" }),
      "test_preserve_selection: input event should be fired when inserting a node"
    );
    is(
      getRangeDescription(getSelection().getRangeAt(0)),
      getRangeDescription({
        startContainer: editingHost,
        startOffset: 0,
        endContainer: editingHost,
        endOffset: 0,
      }),
      "test_preserve_selection: insertNode() should not collapse selection after the inserted node"
    );
  })();

  (function test_not_preserve_selection_nested_by_beforeinput() {
    editingHost.innerHTML = "abc";
    const span1 = document.createElement("span");
    span1.textContent = "def";
    const span2 = document.createElement("span");
    span2.textContent = "ghi";
    getSelection().collapse(editingHost, 0);
    editingHost.addEventListener("beforeinput", () => {
      editor.insertNode(span1, editingHost, 1);
    }, {once: true});
    editor.insertNode(span2, editingHost, 2, true);
    is(
      editingHost.innerHTML,
      "abc<span>def</span><span>ghi</span>",
      "test_not_preserve_selection_nested_by_beforeinput: both insertNode() should work"
    );
    is(
      getRangeDescription(getSelection().getRangeAt(0)),
      getRangeDescription({
        startContainer: editingHost,
        startOffset: 2,
        endContainer: editingHost,
        endOffset: 2,
      }),
      "test_not_preserve_selection_nested_by_beforeinput: only insertNode() called in beforeinput listener should update selection"
    );
  })();

  (function test_not_preserve_selection_nested_by_input() {
    editingHost.innerHTML = "abc";
    const span1 = document.createElement("span");
    span1.textContent = "def";
    const span2 = document.createElement("span");
    span2.textContent = "ghi";
    getSelection().collapse(editingHost, 0);
    editingHost.addEventListener("input", () => {
      editor.insertNode(span2, editingHost, 2);
    }, {once: true});
    editor.insertNode(span1, editingHost, 1, true);
    is(
      editingHost.innerHTML,
      "abc<span>def</span><span>ghi</span>",
      "test_not_preserve_selection_nested_by_input: both insertNode() should work"
    );
    is(
      getRangeDescription(getSelection().getRangeAt(0)),
      getRangeDescription({
        startContainer: editingHost,
        startOffset: 3,
        endContainer: editingHost,
        endOffset: 3,
      }),
      "test_not_preserve_selection_nested_by_input: only insertNode() called in input listener should update selection"
    );
  })();

  SimpleTest.finish();
});
</script>
</head>
<body><div contenteditable><br></div></body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.26 Sekunden (vorverarbeitet am 2026-06-05) ¤

Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.