tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Range-adopt-test.html (2551B)

      1 <!DOCTYPE html>
      2 <script src='/resources/testharness.js'></script>
      3 <script src='/resources/testharnessreport.js'></script>
      4 <script>
      5 function createRangeWithUnparentedContainerOfSingleElement() {
      6    const range = document.createRange();
      7    const container = document.createElement("container");
      8    const element = document.createElement("element");
      9    container.appendChild(element);
     10    range.selectNode(element);
     11    return range;
     12 }
     13 function nestRangeInOuterContainer(range) {
     14    range.startContainer.ownerDocument.createElement("outer").appendChild(range.startContainer);
     15 }
     16 function moveNodeToNewlyCreatedDocumentWithAppendChild(node) {
     17    document.implementation.createDocument(null, null).appendChild(node);
     18 }
     19 
     20 //Tests removing only element
     21 test(()=>{
     22    const range = createRangeWithUnparentedContainerOfSingleElement();
     23    range.startContainer.removeChild(range.startContainer.firstChild);
     24    assert_equals(range.endOffset, 0);
     25 }, "Range in document: Removing the only element in the range must collapse the range");
     26 
     27 
     28 //Tests removing only element after parented container moved to another document
     29 test(()=>{
     30    const range = createRangeWithUnparentedContainerOfSingleElement();
     31    nestRangeInOuterContainer(range);
     32    moveNodeToNewlyCreatedDocumentWithAppendChild(range.startContainer);
     33    assert_equals(range.endOffset, 0);
     34 }, "Parented range container moved to another document with appendChild: Moving the element to the other document must collapse the range");
     35 
     36 //Tests removing only element after parentless container moved oo another document
     37 test(()=>{
     38    const range = createRangeWithUnparentedContainerOfSingleElement();
     39    moveNodeToNewlyCreatedDocumentWithAppendChild(range.startContainer);
     40    range.startContainer.removeChild(range.startContainer.firstChild);
     41    assert_equals(range.endOffset, 0);
     42 }, "Parentless range container moved to another document with appendChild: Removing the only element in the range must collapse the range");
     43 
     44 //Tests removing only element after parentless container of container moved to another document
     45 test(()=>{
     46    const range = createRangeWithUnparentedContainerOfSingleElement();
     47    nestRangeInOuterContainer(range);
     48    moveNodeToNewlyCreatedDocumentWithAppendChild(range.startContainer.parentNode);
     49    range.startContainer.removeChild(range.startContainer.firstChild);
     50    assert_equals(range.endOffset, 0);
     51 }, "Range container's parentless container moved to another document with appendChild: Removing the only element in the range must collapse the range");
     52 </script>