test/ruby/test_optimization.rb (test_string_size): new test

String#size may be overridden, so test for it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Oct 15 07:00:14 2014  Eric Wong  <e@80x24.org>
+
+	* test/ruby/test_optimization.rb (test_string_size): new test
+
 Wed Oct 15 06:51:13 2014  Eric Wong  <e@80x24.org>
 
 	* test/ruby/test_optimization.rb (test_string_eq_neq): new test

test/ruby/test_optimization.rb

@@ -87,6 +87,11 @@ class TestRubyOptimization < Test::Unit::TestCase
     assert_redefine_method('String', 'length', 'assert_nil "string".length')
   end
 
+  def test_string_size
+    assert_equal 6, "string".size
+    assert_redefine_method('String', 'size', 'assert_nil "string".size')
+  end
+
   def test_string_empty?
     assert_equal true, "".empty?
     assert_equal false, "string".empty?