p.158 "Replace Loop with Collection Closure Method";before refactoring.

chapter6/Replace_Loop_with_Collection_Closure_Method.rb

@@ -0,0 +1,24 @@
+class Employees
+  attr_reader :name
+  def initialize(name, ismanager)
+    @name = name
+    @manager = ismanager
+  end
+
+  def manager?
+    if @manager
+      true
+    else
+      false
+    end
+  end
+end
+
+def test_proc(employees)
+
+  managers = []
+  employees.each do |e|
+    managers << e if e.manager?
+  end
+  managers
+end

chapter6/TC_Replace_Loop_with_Collection_Closure_Method.rb

@@ -0,0 +1,36 @@
+require 'rubygems'
+require 'test/unit'
+require 'must'
+require 'kconv'
+require 'Replace_Loop_with_Collection_Closure_Method'
+
+$KCODE="UTF8"
+class Replace_Loop_with_Collection_Closure_Method < Test::Unit::TestCase
+
+  def assert(status,msg)
+    if(RUBY_PLATFORM.downcase =~ /mswin(?!ce)|mingw|cygwin|bccwin/)
+      msg=Kconv.tosjis(msg)
+    end
+    super(status,msg)
+  end
+
+
+  must "test_test_proc" do
+    employees = []
+    employees << Employees.new("Alan", true)
+    employees << Employees.new("Barbara", false)
+    employees << Employees.new("Charlie", false)
+    employees << Employees.new("Diana",true)
+
+    manager_name = []
+
+    test_proc(employees).each do |e|
+      manager_name << e.name
+    end
+
+    assert_not_nil( manager_name.index("Alan"))
+    assert_nil( manager_name.index("Barbara"))
+    assert_nil( manager_name.index("Charlie"))
+    assert_not_nil( manager_name.index("Diana"))
+  end
+end