diff options
Diffstat (limited to 'spec/ruby/core/enumerator/new_spec.rb')
-rw-r--r-- | spec/ruby/core/enumerator/new_spec.rb | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/spec/ruby/core/enumerator/new_spec.rb b/spec/ruby/core/enumerator/new_spec.rb index 86d2d38022..170809dbc1 100644 --- a/spec/ruby/core/enumerator/new_spec.rb +++ b/spec/ruby/core/enumerator/new_spec.rb @@ -1,6 +1,41 @@ require_relative '../../spec_helper' -require_relative '../../shared/enumerator/new' describe "Enumerator.new" do - it_behaves_like :enum_new, :new + it "creates a new custom enumerator with the given object, iterator and arguments" do + enum = Enumerator.new(1, :upto, 3) + enum.should be_an_instance_of(Enumerator) + end + + it "creates a new custom enumerator that responds to #each" do + enum = Enumerator.new(1, :upto, 3) + enum.respond_to?(:each).should == true + end + + it "creates a new custom enumerator that runs correctly" do + Enumerator.new(1, :upto, 3).map{|x|x}.should == [1,2,3] + end + + it "aliases the second argument to :each" do + Enumerator.new(1..2).to_a.should == Enumerator.new(1..2, :each).to_a + end + + it "doesn't check for the presence of the iterator method" do + Enumerator.new(nil).should be_an_instance_of(Enumerator) + end + + it "uses the latest define iterator method" do + class StrangeEach + def each + yield :foo + end + end + enum = Enumerator.new(StrangeEach.new) + enum.to_a.should == [:foo] + class StrangeEach + def each + yield :bar + end + end + enum.to_a.should == [:bar] + end end |