1 files changed, 64 insertions, 0 deletions
diff --git a/spec/ruby/core/dir/each_spec.rb b/spec/ruby/core/dir/each_spec.rb
new file mode 100644
index 0000000000..534691ff58
--- /dev/null
+++ b/spec/ruby/core/dir/each_spec.rb
@@ -0,0 +1,64 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+require File.expand_path('../shared/closed', __FILE__)
+
+describe "Dir#each" do
+  before :all do
+    DirSpecs.create_mock_dirs
+  end
+
+  after :all do
+    DirSpecs.delete_mock_dirs
+  end
+
+  before :each do
+    @dir = Dir.open DirSpecs.mock_dir
+  end
+
+  after :each do
+    @dir.close
+  end
+
+  it "yields each directory entry in succession" do
+    a = []
+    @dir.each {|dir| a << dir}
+
+    a.sort.should == DirSpecs.expected_paths
+  end
+
+  it "returns the directory which remains open" do
+    # an FS does not necessarily impose order
+    ls = Dir.entries(DirSpecs.mock_dir)
+    @dir.each {}.should == @dir
+    @dir.read.should == nil
+    @dir.rewind
+    ls.should include(@dir.read)
+  end
+
+  describe "when no block is given" do
+    it "returns an Enumerator" do
+      @dir.each.should be_an_instance_of(Enumerator)
+      @dir.each.to_a.sort.should == DirSpecs.expected_paths
+    end
+
+    describe "returned Enumerator" do
+      describe "size" do
+        it "should return nil" do
+          @dir.each.size.should == nil
+        end
+      end
+    end
+  end
+end
+
+describe "Dir#each" do
+  before :all do
+    DirSpecs.create_mock_dirs
+  end
+
+  after :all do
+    DirSpecs.delete_mock_dirs
+  end
+
+  it_behaves_like :dir_closed, :each
+end