From 08a64f9e3139851fd65c7ba6969ee590b4afea6a Mon Sep 17 00:00:00 2001
From: Louise Crow <louise.crow@gmail.com>
Date: Thu, 24 Feb 2011 15:10:14 +0000
Subject: Adding rspec gem.

---
 vendor/gems/rspec-1.3.1/examples/passing/stack.rb | 36 +++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 vendor/gems/rspec-1.3.1/examples/passing/stack.rb

(limited to 'vendor/gems/rspec-1.3.1/examples/passing/stack.rb')

diff --git a/vendor/gems/rspec-1.3.1/examples/passing/stack.rb b/vendor/gems/rspec-1.3.1/examples/passing/stack.rb
new file mode 100644
index 000000000..407173f7b
--- /dev/null
+++ b/vendor/gems/rspec-1.3.1/examples/passing/stack.rb
@@ -0,0 +1,36 @@
+class StackUnderflowError < RuntimeError
+end
+
+class StackOverflowError < RuntimeError
+end
+
+class Stack
+  
+  def initialize
+    @items = []
+  end
+  
+  def push object
+    raise StackOverflowError if @items.length == 10
+    @items.push object
+  end
+  
+  def pop
+    raise StackUnderflowError if @items.empty?
+    @items.delete @items.last
+  end
+  
+  def peek
+    raise StackUnderflowError if @items.empty?
+    @items.last
+  end
+  
+  def empty?
+    @items.empty?
+  end
+
+  def full?
+    @items.length == 10
+  end
+  
+end
-- 
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