p.151 Remove Assignments to Parameters; Before refactoring.

chapter6/Remove_Assignments_to_Parameters.rb

@@ -0,0 +1,7 @@
+
+def discount(input_val, quantity, year_to_date)
+  input_val -= 2 if input_val > 50
+  input_val -= 1 if quantity > 100
+  input_val -= 4 if year_to_date > 10000
+  input_val
+end

chapter6/TC_Remove_Assignments_to_Parameters.rb

@@ -0,0 +1,23 @@
+require 'rubygems'
+require 'test/unit'
+require 'must'
+require 'kconv'
+require 'Remove_Assignments_to_Parameters'
+
+$KCODE="UTF8"
+class TC_Remove_Assignments_to_Parameters < 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 "test1" do
+    assert_equal(50, discount(50,100,1000))
+    assert_equal(49, discount(51, 100, 1000))
+    assert_equal(48, discount(51, 101, 1000))
+    assert_equal(44, discount(51, 101, 10001))
+  end
+end

chapter6/TC_Split_Temporary_Variable.rb

@@ -5,6 +5,9 @@
 require 'Split_Temporary_Variable'
 
 $KCODE="UTF8"
+class Array
+  attr:finish
+end
 class TC_Split_Temporary_Variable < Test::Unit::TestCase
 
   def assert(status,msg)