+++ /dev/null
-require File.join(File.dirname(__FILE__), *%w[spec_helper])
-
-shared_examples_for "non-empty Stack" do
-
- it { @stack.should_not be_empty }
-
- it "should return the top item when sent #peek" do
- @stack.peek.should == @last_item_added
- end
-
- it "should NOT remove the top item when sent #peek" do
- @stack.peek.should == @last_item_added
- @stack.peek.should == @last_item_added
- end
-
- it "should return the top item when sent #pop" do
- @stack.pop.should == @last_item_added
- end
-
- it "should remove the top item when sent #pop" do
- @stack.pop.should == @last_item_added
- unless @stack.empty?
- @stack.pop.should_not == @last_item_added
- end
- end
-
-end
-
-shared_examples_for "non-full Stack" do
-
- it { @stack.should_not be_full }
-
- it "should add to the top when sent #push" do
- @stack.push "newly added top item"
- @stack.peek.should == "newly added top item"
- end
-
-end
\ No newline at end of file