1 files changed, 81 insertions, 0 deletions
diff --git a/LayoutTests/fast/dom/TreeWalker/script-tests/acceptNode-filter.js b/LayoutTests/fast/dom/TreeWalker/script-tests/acceptNode-filter.js
new file mode 100644
index 0000000..79c26cc
--- /dev/null
+++ b/LayoutTests/fast/dom/TreeWalker/script-tests/acceptNode-filter.js
@@ -0,0 +1,81 @@
+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>';
+
+function filter(node)
+{
+    debug(" filtering node " + node.id);
+    if (node.id == "B1")
+        return NodeFilter.FILTER_SKIP;
+    return NodeFilter.FILTER_ACCEPT;
+}
+
+debug("Testing with raw function filter");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false);
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'");
+
+debug("<br>Testing with object filter");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, {
+    acceptNode : function(node) {
+      debug(" filtering node " + node.id);
+      if (node.id == "B1")
+          return NodeFilter.FILTER_SKIP;
+      return NodeFilter.FILTER_ACCEPT;
+    }
+  }, false);
+
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'");
+
+debug("<br>Testing with null filter");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, null, false);
+
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'B1'");
+
+debug("<br>Testing with undefined filter");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, undefined, false);
+
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'B1'");
+
+debug("<br>Testing with object lacking acceptNode property");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, {}, false);
+
+shouldThrow("walker.firstChild();");
+shouldBe("walker.currentNode.id;", "'root'");
+shouldThrow("walker.nextNode();");
+shouldBe("walker.currentNode.id;", "'root'");
+
+debug("<br>Testing with object with non-function acceptNode property");
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, { acceptNode: "foo" }, false);
+
+shouldThrow("walker.firstChild();");
+shouldBe("walker.currentNode.id;", "'root'");
+shouldThrow("walker.nextNode();");
+shouldBe("walker.currentNode.id;", "'root'");
+
+debug("<br>Testing with function having acceptNode function");
+var filter = function() { return NodeFilter.FILTER_ACCEPT; };
+filter.acceptNode = function(node) { return NodeFilter.FILTER_SKIP; };
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false);
+
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+shouldBe("walker.nextNode(); walker.currentNode.id", "'B1'");
+
+debug("<br>Testing acceptNode callee");
+var filter = {
+  acceptNode: function(node) {
+    debug('Callee: ' + arguments.callee);
+    return NodeFilter.FILTER_ACCEPT;
+  }
+};
+walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false);
+
+shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
+
+var successfullyParsed = true;