1 files changed, 15 insertions, 2 deletions
diff --git a/spec/ruby/core/dir/children_spec.rb b/spec/ruby/core/dir/children_spec.rb
index 03698cc246..0ad3df4669 100644
--- a/spec/ruby/core/dir/children_spec.rb
+++ b/spec/ruby/core/dir/children_spec.rb
@@ -47,7 +47,7 @@ describe "Dir.children" do
     encoding = Encoding.find("filesystem")
     encoding = Encoding::BINARY if encoding == Encoding::US_ASCII
     platform_is_not :windows do
-      children.should include("こんにちは.txt".force_encoding(encoding))
+      children.should include("こんにちは.txt".dup.force_encoding(encoding))
     end
     children.first.encoding.should equal(Encoding.find("filesystem"))
   end
@@ -113,7 +113,7 @@ describe "Dir#children" do
     encoding = Encoding.find("filesystem")
     encoding = Encoding::BINARY if encoding == Encoding::US_ASCII
     platform_is_not :windows do
-      children.should include("こんにちは.txt".force_encoding(encoding))
+      children.should include("こんにちは.txt".dup.force_encoding(encoding))
     end
     children.first.encoding.should equal(Encoding.find("filesystem"))
   end
@@ -131,4 +131,17 @@ describe "Dir#children" do
     children = @dir.children.sort
     children.first.encoding.should equal(Encoding::EUC_KR)
   end
+
+  it "returns the same result when called repeatedly" do
+    @dir = Dir.open DirSpecs.mock_dir
+
+    a = []
+    @dir.each {|dir| a << dir}
+
+    b = []
+    @dir.each {|dir| b << dir}
+
+    a.sort.should == b.sort
+    a.sort.should == DirSpecs.expected_paths
+  end
 end