+++ /dev/null
-require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + "/stack"
-require File.dirname(__FILE__) + '/shared_stack_examples'
-
-describe Stack, " (empty)" do
- before(:each) do
- @stack = Stack.new
- end
-
- # NOTE that this one auto-generates the description "should be empty"
- it { @stack.should be_empty }
-
- it_should_behave_like "non-full Stack"
-
- it "should complain when sent #peek" do
- lambda { @stack.peek }.should raise_error(StackUnderflowError)
- end
-
- it "should complain when sent #pop" do
- lambda { @stack.pop }.should raise_error(StackUnderflowError)
- end
-end
-
-describe Stack, " (with one item)" do
- before(:each) do
- @stack = Stack.new
- @stack.push 3
- @last_item_added = 3
- end
-
- it_should_behave_like "non-empty Stack"
- it_should_behave_like "non-full Stack"
-
-end
-
-describe Stack, " (with one item less than capacity)" do
- before(:each) do
- @stack = Stack.new
- (1..9).each { |i| @stack.push i }
- @last_item_added = 9
- end
-
- it_should_behave_like "non-empty Stack"
- it_should_behave_like "non-full Stack"
-end
-
-describe Stack, " (full)" do
- before(:each) do
- @stack = Stack.new
- (1..10).each { |i| @stack.push i }
- @last_item_added = 10
- end
-
- # NOTE that this one auto-generates the description "should be full"
- it { @stack.should be_full }
-
- it_should_behave_like "non-empty Stack"
-
- it "should complain on #push" do
- lambda { @stack.push Object.new }.should raise_error(StackOverflowError)
- end
-
-end