1 files changed, 12 insertions, 0 deletions
diff --git a/spec/ruby/shared/enumerator/enum_cons.rb b/spec/ruby/shared/enumerator/enum_cons.rb
new file mode 100644
index 0000000000..59eed949d8
--- /dev/null
+++ b/spec/ruby/shared/enumerator/enum_cons.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../../../fixtures/enumerator/classes', __FILE__)
+
+describe :enum_cons, shared: true do
+  it "returns an enumerator of the receiver with iteration of each_cons for each array of n concecutive elements" do
+    a = []
+    enum = EnumSpecs::Numerous.new.enum_cons(3)
+    enum.each {|x| a << x}
+    enum.should be_an_instance_of(Enumerator)
+    a.should == [[2, 5, 3], [5, 3, 6], [3, 6, 1], [6, 1, 4]]
+  end
+end