diff --git a/ChangeLog b/ChangeLog
index 25fadc70d7..cd370918b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Sat Dec  1 21:18:19 2012  Koichi Sasada  <ko1@atdot.net>
+
+	* test/ruby/test_backtrace.rb: add a test for
+	  Thread::Backtrace::Location#inspect.
+	  BTW, tests for `caller_locations' are not enough.
+	  Any volunteers are welcome.
+
 Sat Dec  1 21:06:58 2012  Koichi Sasada  <ko1@atdot.net>
 
 	* vm_backtrace.c (location_inspect_m): add
diff --git a/test/ruby/test_backtrace.rb b/test/ruby/test_backtrace.rb
index ebbde9f060..bd65e40036 100644
--- a/test/ruby/test_backtrace.rb
+++ b/test/ruby/test_backtrace.rb
@@ -92,6 +92,14 @@ class TestBacktrace < Test::Unit::TestCase
     assert_equal(cs, locs)
   end
 
+  def test_caller_locations_to_s_inspect
+    cs = caller(0); locs = caller_locations(0)
+    cs.zip(locs){|str, loc|
+      assert_equal(str, loc.to_s)
+      assert_equal(str.inspect, loc.inspect)
+    }
+  end
+
   def th_rec q, n=10
     if n > 1
       th_rec q, n-1