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diff --git a/testing/web-platform/tests/IndexedDB/idbcursor-advance-invalid.htm b/testing/web-platform/tests/IndexedDB/idbcursor-advance-invalid.htm
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+++ b/testing/web-platform/tests/IndexedDB/idbcursor-advance-invalid.htm
@@ -0,0 +1,192 @@
+<!DOCTYPE html>
+<title>IDBCursor.advance() - invalid</title>
+<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
+<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-advance-void-unsigned-long-count">
+<link rel=assert title="If the value for count is 0 (zero) or a negative number, this method must throw a JavaScript TypeError exception.">
+<link rel=assert title="TypeError The value passed into the count parameter was zero or a negative number.">
+<link rel=assert title="InvalidStateError The cursor is currently being iterated, or has iterated past its end.">
+<link rel=assert title="Calling this method more than once before new cursor data has been loaded is not allowed and results in a DOMException of type InvalidStateError being thrown. For example, calling advance() twice from the same onsuccess handler results in a DOMException of type InvalidStateError being thrown on the second call.">
+<link rel=assert title="Before this method returns, unless an exception was thrown, it sets the got value flag on the cursor to false.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/support.js"></script>
+
+<script>
+
+function upgrade_func(t, db, tx) {
+  var objStore = db.createObjectStore("test");
+  objStore.createIndex("index", "");
+
+  objStore.add("data",  1);
+  objStore.add("data2", 2);
+}
+
+indexeddb_test(
+  upgrade_func,
+  function(t, db) {
+    var count = 0;
+    var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
+
+    rq.onsuccess = t.step_func(function(e) {
+      if (!e.target.result) {
+        assert_equals(count, 2, 'count');
+        t.done();
+        return;
+      }
+      var cursor = e.target.result;
+
+      cursor.advance(1);
+
+      // Second try
+      assert_throws_dom('InvalidStateError',
+                        function() { cursor.advance(1); }, 'second advance');
+
+      assert_throws_dom('InvalidStateError',
+                        function() { cursor.advance(3); }, 'third advance');
+
+      count++;
+    });
+    rq.onerror = t.unreached_func("unexpected error")
+  },
+  document.title + " - attempt to call advance twice"
+);
+
+indexeddb_test(
+  upgrade_func,
+  function(t, db) {
+    var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
+
+    rq.onsuccess = t.step_func(function(e) {
+      var cursor = e.target.result;
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(document); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance({}); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance([]); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(""); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance("1 2"); });
+
+      t.done();
+    });
+    rq.onerror = t.unreached_func("unexpected error")
+  },
+  document.title + " - pass something other than number"
+);
+
+
+indexeddb_test(
+  upgrade_func,
+  function(t, db) {
+    var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
+
+    rq.onsuccess = t.step_func(function(e) {
+      var cursor = e.target.result;
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(null); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(undefined); });
+
+      var myvar = null;
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(myvar); });
+
+      t.done();
+    });
+    rq.onerror = t.unreached_func("unexpected error")
+  },
+  document.title + " - pass null/undefined"
+);
+
+
+indexeddb_test(
+  upgrade_func,
+  function(t, db) {
+    var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
+
+    rq.onsuccess = t.step_func(function(e) {
+      var cursor = e.target.result;
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(); });
+
+      t.done();
+    });
+    rq.onerror = t.unreached_func("unexpected error")
+  },
+  document.title + " - missing argument"
+);
+
+indexeddb_test(
+  upgrade_func,
+  function(t, db) {
+    var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
+
+    rq.onsuccess = t.step_func(function(e) {
+      var cursor = e.target.result;
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(-1); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(NaN); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(0); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(-0); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(Infinity); });
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(-Infinity); });
+
+      var myvar = -999999;
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(myvar); });
+
+      t.done();
+    });
+    rq.onerror = t.unreached_func("unexpected error")
+  },
+  document.title + " - pass negative numbers"
+);
+
+indexeddb_test(
+  upgrade_func,
+  function(t, db) {
+    var count = 0;
+    var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
+
+    rq.onsuccess = t.step_func(function(e) {
+      var cursor = e.target.result;
+      if (!cursor)
+        {
+          assert_equals(count, 2, "count runs");
+          t.done();
+          return;
+        }
+
+      assert_throws_js(TypeError,
+                       function() { cursor.advance(0); });
+
+      cursor.advance(1);
+      count++;
+    });
+    rq.onerror = t.unreached_func("unexpected error")
+  },
+  document.title + " - got value not set on exception"
+);
+
+</script>