merges a half of revision 5937 and 5939 in MiniTest's repository into ruby_1_9_2.

--
- Fixed some of the assertion default messages

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 3 deletions

diff --git a/lib/minitest/unit.rb b/lib/minitest/unit.rb
index aa5890eb4a..5a69064578 100644
--- a/lib/minitest/unit.rb
+++ b/lib/minitest/unit.rb
@@ -91,15 +91,14 @@ module MiniTest
     # Fails unless the block returns a true value.
 
     def assert_block msg = nil
-      msg = message(msg) { "Expected block to return true value" }
-      assert yield, msg
+      assert yield, "Expected block to return true value."
     end
 
     ##
     # Fails unless +obj+ is empty.
 
     def assert_empty obj, msg = nil
-      msg = message(msg) { "Expected #{obj.inspect} to be empty" }
+      msg = message(msg) { "Expected #{mu_pp(obj)} to be empty" }
       assert_respond_to obj, :empty?
       assert obj.empty?, msg
     end