1 files changed, 34 insertions, 0 deletions
diff --git a/spec/rubyspec/core/hash/to_h_spec.rb b/spec/rubyspec/core/hash/to_h_spec.rb
new file mode 100644
index 0000000000..366fd58e8a
--- /dev/null
+++ b/spec/rubyspec/core/hash/to_h_spec.rb
@@ -0,0 +1,34 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Hash#to_h" do
+  it "returns self for Hash instances" do
+    h = {}
+    h.to_h.should equal(h)
+  end
+
+  describe "when called on a subclass of Hash" do
+    before :each do
+      @h = HashSpecs::MyHash.new
+      @h[:foo] = :bar
+    end
+
+    it "returns a new Hash instance" do
+      @h.to_h.should be_an_instance_of(Hash)
+      @h.to_h.should == @h
+      @h[:foo].should == :bar
+    end
+
+    it "copies the default" do
+      @h.default = 42
+      @h.to_h.default.should == 42
+      @h[:hello].should == 42
+    end
+
+    it "copies the default_proc" do
+      @h.default_proc = prc = Proc.new{ |h, k| h[k] = 2 * k }
+      @h.to_h.default_proc.should == prc
+      @h[42].should == 84
+    end
+  end
+end