diff --git a/LayoutTests/imported/w3c/ChangeLog b/LayoutTests/imported/w3c/ChangeLog
index 2b6a67d..57300c4 100644
--- a/LayoutTests/imported/w3c/ChangeLog
+++ b/LayoutTests/imported/w3c/ChangeLog
@@ -1,3 +1,18 @@
+2020-06-29  Pinki Gyanchandani  <pgyanchandani@apple.com>
+
+        Add a new Web Platform Test in LayoutTest/imported/w3c/web-platform-tests/dom/ranges
+        https://bugs.webkit.org/show_bug.cgi?id=213667
+
+        Reviewed by Darin Adler.
+
+        Adding a Web Platfotm Test to test the handling of Ranges, when range is associated with a parentless node, and this parentless node moves to
+        new document.
+
+        This test has been provided by Darin Adler.
+
+        * web-platform-tests/dom/ranges/Range-adopt-test-expected.txt: Added.
+        * web-platform-tests/dom/ranges/Range-adopt-test.html: Added.
+
 2020-06-28  Rob Buis  <rbuis@igalia.com>
 
         Setting url.search="??" (two questionmarks) has incorrect behavior
diff --git a/LayoutTests/imported/w3c/web-platform-tests/dom/ranges/Range-adopt-test-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/dom/ranges/Range-adopt-test-expected.txt
new file mode 100644
index 0000000..79fc23b
--- /dev/null
+++ b/LayoutTests/imported/w3c/web-platform-tests/dom/ranges/Range-adopt-test-expected.txt
@@ -0,0 +1,6 @@
+
+PASS Range in document: Removing the only element in the range must collapse the range 
+PASS Parented range container moved to another document with appendChild: Moving the element to the other document must collapse the range 
+PASS Parentless range container moved to another document with appendChild: Removing the only element in the range must collapse the range 
+PASS Range container's parentless container moved to another document with appendChild: Removing the only element in the range must collapse the range 
+
diff --git a/LayoutTests/imported/w3c/web-platform-tests/dom/ranges/Range-adopt-test.html b/LayoutTests/imported/w3c/web-platform-tests/dom/ranges/Range-adopt-test.html
new file mode 100644
index 0000000..3735fc3
--- /dev/null
+++ b/LayoutTests/imported/w3c/web-platform-tests/dom/ranges/Range-adopt-test.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<script>
+function createRangeWithUnparentedContainerOfSingleElement() {
+    const range = document.createRange();
+    const container = document.createElement("container");
+    const element = document.createElement("element");
+    container.appendChild(element);
+    range.selectNode(element);
+    return range;
+}
+function nestRangeInOuterContainer(range) {
+    range.startContainer.ownerDocument.createElement("outer").appendChild(range.startContainer);
+}
+function moveNodeToNewlyCreatedDocumentWithAppendChild(node) {
+    document.implementation.createDocument(null, null).appendChild(node);
+}
+
+//Tests removing only element
+test(()=>{
+    const range = createRangeWithUnparentedContainerOfSingleElement();
+    range.startContainer.removeChild(range.startContainer.firstChild);
+    assert_equals(range.endOffset, 0);
+}, "Range in document: Removing the only element in the range must collapse the range");
+
+
+//Tests removing only element after parented container moved to another document
+test(()=>{
+    const range = createRangeWithUnparentedContainerOfSingleElement();
+    nestRangeInOuterContainer(range);
+    moveNodeToNewlyCreatedDocumentWithAppendChild(range.startContainer);
+    assert_equals(range.endOffset, 0);
+}, "Parented range container moved to another document with appendChild: Moving the element to the other document must collapse the range");
+
+//Tests removing only element after parentless container moved oo another document
+test(()=>{
+    const range = createRangeWithUnparentedContainerOfSingleElement();
+    moveNodeToNewlyCreatedDocumentWithAppendChild(range.startContainer);
+    range.startContainer.removeChild(range.startContainer.firstChild);
+    assert_equals(range.endOffset, 0);
+}, "Parentless range container moved to another document with appendChild: Removing the only element in the range must collapse the range");
+
+//Tests removing only element after parentless container of container moved to another document
+test(()=>{
+    const range = createRangeWithUnparentedContainerOfSingleElement();
+    nestRangeInOuterContainer(range);
+    moveNodeToNewlyCreatedDocumentWithAppendChild(range.startContainer.parentNode);
+    range.startContainer.removeChild(range.startContainer.firstChild);
+    assert_equals(range.endOffset, 0);
+}, "Range container's parentless container moved to another document with appendChild: Removing the only element in the range must collapse the range");
+</script>