added RSpec and RSpec on Rails

vendor/gems/rspec-1.1.2/examples/pure/nested_classes_example.rb

@@ -0,0 +1,36 @@
+require File.dirname(__FILE__) + '/spec_helper'
+require File.dirname(__FILE__) + '/stack'
+
+class StackExamples < Spec::ExampleGroup
+  describe(Stack)
+  before(:each) do
+    @stack = Stack.new
+  end
+end
+
+class EmptyStackExamples < StackExamples
+  describe("when empty")
+  it "should be empty" do
+    @stack.should be_empty
+  end
+end
+
+class AlmostFullStackExamples < StackExamples
+  describe("when almost full")
+  before(:each) do
+    (1..9).each {|n| @stack.push n}
+  end
+  it "should be full" do
+    @stack.should_not be_full
+  end
+end
+
+class FullStackExamples < StackExamples
+  describe("when full")
+  before(:each) do
+    (1..10).each {|n| @stack.push n}
+  end
+  it "should be full" do
+    @stack.should be_full
+  end
+end