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-rw-r--r--ruby_1_8_6/sample/testunit/tc_subtracter.rb18
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diff --git a/ruby_1_8_6/sample/testunit/tc_subtracter.rb b/ruby_1_8_6/sample/testunit/tc_subtracter.rb
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+++ b/ruby_1_8_6/sample/testunit/tc_subtracter.rb
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+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+require 'test/unit'
+require 'subtracter'
+
+class TC_Subtracter < Test::Unit::TestCase
+ def setup
+ @subtracter = Subtracter.new(5)
+ end
+ def test_subtract
+ assert_equal(3, @subtracter.subtract(2), "Should have subtracted correctly")
+ end
+ def teardown
+ @subtracter = nil
+ end
+end