1 files changed, 32 insertions, 0 deletions
diff --git a/LayoutTests/fast/dom/TreeWalker/script-tests/filter-throw.js b/LayoutTests/fast/dom/TreeWalker/script-tests/filter-throw.js
new file mode 100644
index 0000000..1127f77
--- /dev/null
+++ b/LayoutTests/fast/dom/TreeWalker/script-tests/filter-throw.js
@@ -0,0 +1,32 @@
+description('Test JS objects as NodeFilters.');
+
+var walker;
+var testElement = document.createElement("div");
+testElement.id = 'root';
+testElement.innerHTML='<div id="A1"><div id="B1"></div><div id="B2"></div></div>';
+debug("Testing with object filter");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, function(node) {
+  throw('filter exception');
+  return NodeFilter.FILTER_ACCEPT;
+}, false);
+
+debug("Test with filter function");
+shouldThrow("walker.firstChild();");
+shouldBe("walker.currentNode.id", "'root'")
+shouldThrow("walker.nextNode();walker.currentNode.id");
+shouldBe("walker.currentNode.id", "'root'")
+
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, {
+    acceptNode : function(node) {
+      throw('filter exception');
+      return NodeFilter.FILTER_ACCEPT;
+    }
+  }, false);
+
+debug("<br>Test with filter object");
+shouldThrow("walker.firstChild();");
+shouldBe("walker.currentNode.id", "'root'")
+shouldThrow("walker.nextNode();walker.currentNode.id");
+shouldBe("walker.currentNode.id", "'root'")
+
+var successfullyParsed = true;