According to http://dev.w3.org/2009/dap/file-system/pub/FileSystem/#idl-def-Entry , the first argument (parent) to the moveTo() and copyTo() methods is required. This test calls the method without the required parameter and logs the result. WebKit passes this test.
Created attachment 110171 [details] Patch
Oops, bad filenames for the test files. Reuploading...
Created attachment 110173 [details] Patch
Comment on attachment 110173 [details] Patch This is redundant with http://trac.webkit.org/browser/trunk/LayoutTests/fast/filesystem/not-enough-arguments.html