diff options
Diffstat (limited to 'spec/ruby/core/hash/to_h_spec.rb')
-rw-r--r-- | spec/ruby/core/hash/to_h_spec.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/to_h_spec.rb b/spec/ruby/core/hash/to_h_spec.rb new file mode 100644 index 0000000000..366fd58e8a --- /dev/null +++ b/spec/ruby/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 |