usa	2017-05-15 16:35:26 +0900 (Mon, 15 May 2017)

  New Revision: 58726

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58726

  Log:
    Should call `ln_s` only when symlink is available
    
    * test/fileutils/test_fileutils.rb (test_ln_s): skip if symlink is not
      available.
    
    * test/fileutils/test_fileutils.rb (test_ln_s): remove created symlink
      certainly.

  Modified files:
    trunk/test/fileutils/test_fileutils.rb
Index: test/fileutils/test_fileutils.rb
===================================================================
--- test/fileutils/test_fileutils.rb	(revision 58725)
+++ test/fileutils/test_fileutils.rb	(revision 58726)
@@ -785,12 +785,14 @@ class TestFileUtils < Test::Unit::TestCa https://github.com/ruby/ruby/blob/trunk/test/fileutils/test_fileutils.rb#L785
 
     TARGETS.each do |fname|
       fname = "../#{fname}"
-      ln_s fname, 'tmp/lnsdest'
-      assert FileTest.symlink?('tmp/lnsdest'), 'not symlink'
-      assert_equal fname, File.readlink('tmp/lnsdest')
-      rm_f 'tmp/lnsdest'
+      lnfname = 'tmp/lnsdest'
+      ln_s fname, lnfname
+      assert FileTest.symlink?(lnfname), 'not symlink'
+      assert_equal fname, File.readlink(lnfname)
+    ensure
+      rm_f lnfname
     end
-  end
+  end if have_symlink? and !no_broken_symlink?
 
   def test_ln_s_broken_symlink
     assert_nothing_raised {

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