* test/testunit/*: Added.

* lib/test/unit.rb: Documentation update.

	* lib/test/unit/ui/console/testrunner.rb (TestRunner#initialize):
	  Ditto.

	* lib/test/unit.rb: Factored out an ObjectSpace collector.

	* lib/test/unit/collector/objectspace.rb: Ditto.

	* sample/testunit/*: Added.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

sample/testunit/adder.rb

@@ -0,0 +1,13 @@
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+class Adder
+  def initialize(number)
+    @number = number
+  end
+  def add(number)
+    return @number + number
+  end
+end
+

sample/testunit/subtracter.rb

@@ -0,0 +1,12 @@
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+class Subtracter
+  def initialize(number)
+    @number = number
+  end
+  def subtract(number)
+    return @number - number
+  end
+end

sample/testunit/tc_adder.rb

@@ -0,0 +1,18 @@
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+require 'test/unit'
+require 'adder'
+
+class TC_Adder < Test::Unit::TestCase
+  def setup
+    @adder = Adder.new(5)
+  end
+  def test_add
+    assert_equal(7, @adder.add(2), "Should have added correctly")
+  end
+  def teardown
+    @adder = nil
+  end
+end

sample/testunit/tc_subtracter.rb

@@ -0,0 +1,18 @@
+# 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

sample/testunit/ts_examples.rb

@@ -0,0 +1,7 @@
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+require 'test/unit'
+require 'tc_adder'
+require 'tc_subtracter'