1 files changed, 23 insertions, 0 deletions
diff --git a/LayoutTests/fast/dom/TreeWalker/script-tests/previousSiblingLastChildSkip.js b/LayoutTests/fast/dom/TreeWalker/script-tests/previousSiblingLastChildSkip.js
new file mode 100644
index 0000000..ed7c577
--- /dev/null
+++ b/LayoutTests/fast/dom/TreeWalker/script-tests/previousSiblingLastChildSkip.js
@@ -0,0 +1,23 @@
+description('Test for a specific problem with previousSibling that failed in older versions of WebKit.');
+
+var testElement = document.createElement("div");
+testElement.innerHTML='<div id="A1"><div id="B1"><div id="C1"></div><div id="C2"><div id="D1"></div><div id="D2"></div></div></div><div id="B2"><div id="C3"></div><div id="C4"></div></div></div>';
+
+function filter(node)
+{
+    if (node.id == "B1")
+        return NodeFilter.FILTER_SKIP;
+    return NodeFilter.FILTER_ACCEPT;
+}
+
+var walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false);
+
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'C1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'C2'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'D1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'D2'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'");
+shouldBe("walker.previousSibling(); walker.currentNode.id", "'C2'");
+
+var successfullyParsed = true;