LayoutTests/fast/dom/Range/range-modifycontents_t01.dart

/*
 * Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @description Test modification of contents of a range
 */
import "dart:html";
import "../../../../Utils/expect.dart";
import "../../../testcommon.dart";

main() {
  description("Test modification of contents of a range");
  var r;

  // TEST 1: Initial values
  debug('<span>Start test 1</span>');
  r = document.createRange();
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 0);
  shouldBe(r.startContainer, document);
  shouldBe(r.endContainer, document);
  shouldBeTrue(r.collapsed);
  shouldBe(r.commonAncestorContainer, document);

  // TEST 2: Insert a comment into the document
  debug('<span>Start test 2</span>');
  r.insertNode(new Comment("test comment"));
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 1);
  shouldBe(r.startContainer, document);
  shouldBe(r.endContainer, document);
  shouldBeFalse(r.collapsed);
  shouldBe(r.commonAncestorContainer, document);

  // TEST 3: Remove the comment again
  debug('<span>Start test 3</span>');
  r.deleteContents();
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 0);
  shouldBe(r.startContainer, document);
  shouldBe(r.endContainer, document);
  shouldBeTrue(r.collapsed);
  shouldBe(r.commonAncestorContainer, document);

  // TEST 4: Insert a document fragment
  debug('<span>Start test 4</span>');
  var f = document.createDocumentFragment();
  var c = document.getElementById("description");
  r.setStart(c, 0);
  f.append(new Text("test text node"));
  f.append(new Comment("another text comment"));
  f.append(new Text("another test text node"));
  r.insertNode(f);
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 3);
  shouldBe(r.startContainer, c);
  shouldBe(r.endContainer, c);
  shouldBeFalse(r.collapsed);
  shouldBe(r.commonAncestorContainer, c);

  // TEST 5: Remove the fragment again
  debug('<span>Start test 5</span>');
  r.deleteContents();
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 0);
  shouldBe(r.startContainer, c);
  shouldBe(r.endContainer, c);
  shouldBeTrue(r.collapsed);
  shouldBe(r.commonAncestorContainer, c);

  // TEST 6: Insert an empty document fragment
  debug('<span>Start test 6</span>');
  f = document.createDocumentFragment();
  r.insertNode(f);
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 0);
  shouldBe(r.startContainer, c);
  shouldBe(r.endContainer, c);
  shouldBeTrue(r.collapsed);
  shouldBe(r.commonAncestorContainer, c);

  // TEST 7: Insert a div
  debug('<span>Start test 7</span>');
  var d = document.createElement("div");
  d.append(new Text("test text node"));
  d.append(new Comment("another text comment"));
  d.append(new Text("another test text node"));
  r.insertNode(d);
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 1);
  shouldBe(r.startContainer, c);
  shouldBe(r.endContainer, c);
  shouldBeFalse(r.collapsed);
  shouldBe(r.commonAncestorContainer, c);

  // TEST 8: Remove the div
  debug('<span>Start test 8</span>');
  r.deleteContents();
  shouldBe(r.startOffset, 0);
  shouldBe(r.endOffset, 0);
  shouldBe(r.startContainer, c);
  shouldBe(r.endContainer, c);
  shouldBeTrue(r.collapsed);
  shouldBe(r.commonAncestorContainer, c);
}