Add Object#instance_exec and Proc#bind

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3469 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 18 insertions, 0 deletions

diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb
index 22e4c6b8b4..fc19183ede 100644
--- a/activesupport/test/core_ext/object_and_class_ext_test.rb
+++ b/activesupport/test/core_ext/object_and_class_ext_test.rb
@@ -111,4 +111,10 @@ class ObjectInstanceVariableTest < Test::Unit::TestCase
     object.instance_variable_set :@b, 2
     assert_equal({'a' => 1, 'b' => 2}, object.instance_values)
   end
+  
+  def test_instance_exec_passes_arguments_to_block
+    block = Proc.new { |value| [self, value] }
+    assert_equal %w(hello goodbye), 'hello'.instance_exec('goodbye', &block)
+  end
+  
 end
diff --git a/activesupport/test/core_ext/proc_test.rb b/activesupport/test/core_ext/proc_test.rb
new file mode 100644
index 0000000000..ca91a257b7
--- /dev/null
+++ b/activesupport/test/core_ext/proc_test.rb
@@ -0,0 +1,12 @@
+require 'test/unit'
+require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/proc'
+
+class ProcTests < Test::Unit::TestCase
+  def test_bind_returns_method_with_changed_self
+    block = Proc.new { self }
+    assert_equal self, block.call
+    bound_block = block.bind("hello")
+    assert_not_equal block, bound_block
+    assert_equal "hello", bound_block.call
+  end
+end
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