test for File#lstat.

* test/ruby/test_file_exhaustive.rb (test_lstat): Add lacking test
  for File#lstat.  [Fix GH-1231]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun Jan 31 12:19:15 2016  Kuniaki IGARASHI  <igaiga@gmail.com>
+
+	* test/ruby/test_file_exhaustive.rb (test_lstat): Add lacking test
+	  for File#lstat.  [Fix GH-1231]
+
 Sun Jan 31 12:15:33 2016  Prayag Verma  <prayag.verma@gmail.com>
 
 	* doc/standard_library.rdoc: fix typo  [Fix GH-1230]

test/ruby/test_file_exhaustive.rb

@@ -255,6 +255,16 @@ class TestFileExhaustive < Test::Unit::TestCase
     end
   end if NTFS
 
+  def test_lstat
+    return unless symlinkfile
+    assert_equal(false, File.stat(symlinkfile).symlink?)
+    assert_equal(true, File.lstat(symlinkfile).symlink?)
+    f = File.new(symlinkfile)
+    assert_equal(false, f.stat.symlink?)
+    assert_equal(true, f.lstat.symlink?)
+    f.close
+  end
+
   def test_directory_p
     assert_file.directory?(@dir)
     assert_file.not_directory?(@dir+"/...")