diff --git a/src/testdir/test_gf.vim b/src/testdir/test_gf.vim
new file mode 100644
index 0000000..c4aa6f9
--- /dev/null
+++ b/src/testdir/test_gf.vim
@@ -0,0 +1,33 @@
+
+" This is a test if a URL is recognized by "gf", with the cursor before and
+" after the "://".  Also test ":\\".
+function! Test_gf_url()
+  enew!
+  call append(0, [
+      \ "first test for URL://machine.name/tmp/vimtest2a and other text",
+      \ "second test for URL://machine.name/tmp/vimtest2b. And other text",
+      \ "third test for URL:\\\\machine.name\\vimtest2c and other text",
+      \ "fourth test for URL:\\\\machine.name\\tmp\\vimtest2d, and other text"
+      \ ])
+  call cursor(1,1)
+  call search("^first")
+  call search("tmp")
+  call assert_equal("URL://machine.name/tmp/vimtest2a", expand("<cfile>"))
+  call search("^second")
+  call search("URL")
+  call assert_equal("URL://machine.name/tmp/vimtest2b", expand("<cfile>"))
+  if has("ebcdic")
+      set isf=@,240-249,/,.,-,_,+,,,$,:,~,\
+  else
+      set isf=@,48-57,/,.,-,_,+,,,$,:,~,\
+  endif
+  call search("^third")
+  call search("name")
+  call assert_equal("URL:\\\\machine.name\\vimtest2c", expand("<cfile>"))
+  call search("^fourth")
+  call search("URL")
+  call assert_equal("URL:\\\\machine.name\\tmp\\vimtest2d", expand("<cfile>"))
+
+  set isf&vim
+  enew!
+endfunction