* test/etc/test_etc.rb(test_getpwnam, test_getgrgid, test_getgrnam):

  support an envirionment that has duplicative entries.  a patch from
  Tomoyuki Chikanaga <chikanag at nippon-control-system.co.jp> in
  [ruby-dev:37882].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 9 deletions

diff --git a/test/etc/test_etc.rb b/test/etc/test_etc.rb
index add7d63652..4e44eda19a 100644
--- a/test/etc/test_etc.rb
+++ b/test/etc/test_etc.rb
@@ -37,9 +37,9 @@ class TestEtc < Test::Unit::TestCase
   end
 
   def test_getpwnam
-    passwd = []
-    Etc.passwd {|s| passwd << s }
-    passwd.each do |s|
+    passwd = {}
+    Etc.passwd {|s| passwd[s.name] = s unless passwd[s.name] }
+    passwd.values.each do |s|
       assert_equal(s, Etc.getpwnam(s.name))
     end
   end
@@ -67,22 +67,26 @@ class TestEtc < Test::Unit::TestCase
   end
 
   def test_getgrgid
-    groups = []
+    groups = {}
     Etc.group do |s|
-      groups << s
+      unless groups[s.gid]
+        groups[s.gid] = s
+      end
     end
-    groups.each do |s|
+    groups.values.each do |s|
       assert_equal(s, Etc.getgrgid(s.gid))
       assert_equal(s, Etc.getgrgid) if Process.egid == s.gid
     end
   end
 
   def test_getgrnam
-    groups = []
+    groups = {}
     Etc.group do |s|
-      groups << s
+      unless groups[s.name]
+        groups[s.name] = s
+      end
     end
-    groups.each do |s|
+    groups.values.each do |s|
       assert_equal(s, Etc.getgrnam(s.name))
     end
   end