test_sexp.rb: test for fname

* test/ripper/test_sexp.rb (test_def_fname): test for fname in def
  statement.  [ruby-core:83089] [Bug #13967]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ripper/test_sexp.rb

@@ -75,6 +75,18 @@ eot
     assert_equal("z", z[1])
   end
 
+  def test_def_fname
+    sexp = Ripper.sexp("def t; end")
+    _, (type, fname,) = search_sexp(:def, sexp)
+    assert_equal(:@ident, type)
+    assert_equal("t", fname)
+
+    sexp = Ripper.sexp("def <<; end")
+    _, (type, fname,) = search_sexp(:def, sexp)
+    assert_equal(:@op, type)
+    assert_equal("<<", fname)
+  end
+
   def search_sexp(sym, sexp)
     return sexp if !sexp or sexp[0] == sym
     sexp.find do |e|