diff options
Diffstat (limited to 'spec/ruby/core/enumerable/reverse_each_spec.rb')
-rw-r--r-- | spec/ruby/core/enumerable/reverse_each_spec.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/reverse_each_spec.rb b/spec/ruby/core/enumerable/reverse_each_spec.rb new file mode 100644 index 0000000000..62c3c0daef --- /dev/null +++ b/spec/ruby/core/enumerable/reverse_each_spec.rb @@ -0,0 +1,26 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/enumerable_enumeratorized', __FILE__) + +describe "Enumerable#reverse_each" do + it "traverses enum in reverse order and pass each element to block" do + a=[] + EnumerableSpecs::Numerous.new.reverse_each { |i| a << i } + a.should == [4, 1, 6, 3, 5, 2] + end + + it "returns an Enumerator if no block given" do + enum = EnumerableSpecs::Numerous.new.reverse_each + enum.should be_an_instance_of(Enumerator) + enum.to_a.should == [4, 1, 6, 3, 5, 2] + end + + it "gathers whole arrays as elements when each yields multiple" do + multi = EnumerableSpecs::YieldsMulti.new + yielded = [] + multi.reverse_each {|e| yielded << e } + yielded.should == [[6, 7, 8, 9], [3, 4, 5], [1, 2]] + end + + it_behaves_like :enumerable_enumeratorized_with_origin_size, :reverse_each +end |