object.c (rb_obj_match): use rb_warn for deprecation warning

Now the warning is printed even without -w option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/test/minitest/test_minitest_unit.rb b/test/minitest/test_minitest_unit.rb
index 3d92b865c3..f59bc45c26 100644
--- a/test/minitest/test_minitest_unit.rb
+++ b/test/minitest/test_minitest_unit.rb
@@ -1529,7 +1529,9 @@ class TestMiniTestUnitTestCase < MiniTest::Unit::TestCase
   def test_refute_match_matcher_object
     @assertion_count = 2
     non_verbose do
-      @tc.refute_match Object.new, 5 # default #=~ returns false
+      obj = Object.new
+      def obj.=~(other); false; end
+      @tc.refute_match obj, 5
     end
   end