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-rw-r--r--spec/ruby/core/enumerator/new_spec.rb39
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