1 files changed, 18 insertions, 0 deletions
diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index 8a8d7ce8ea..11e69bd7e8 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -108,4 +108,22 @@ class TestObjSpace < Test::Unit::TestCase
     }
     eom
   end
+
+  def test_traceobject
+    o0 = Object.new
+    ObjectSpace.trace_object_allocations{
+      o1 = Object.new; line1 = __LINE__
+      o2 = "a"+"b"   ; line2 = __LINE__
+      o3 = [1, 2]    ; line3 = __LINE__
+
+      assert_equal(nil, ObjectSpace.allocation_sourcefile(o0))
+      assert_equal(nil, ObjectSpace.allocation_sourceline(o0))
+      assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o1))
+      assert_equal(line1,    ObjectSpace.allocation_sourceline(o1))
+      assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o2))
+      assert_equal(line2,    ObjectSpace.allocation_sourceline(o2))
+      assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o3))
+      assert_equal(line3,    ObjectSpace.allocation_sourceline(o3))
+    }
+  end
 end