Round trip exception backtraces

This commit allows exception backtraces to round trip

1 files changed, 14 insertions, 0 deletions

diff --git a/test/psych/test_exception.rb b/test/psych/test_exception.rb
index df7fd73..e7fc88c 100644
--- a/test/psych/test_exception.rb
+++ b/test/psych/test_exception.rb
@@ -23,6 +23,20 @@ module Psych
       $VERBOSE = @orig_verbose
     end
 
+    def make_ex msg = 'oh no!'
+      begin
+        raise msg
+      rescue ::Exception => e
+        e
+      end
+    end
+
+    def test_backtrace
+      err     = make_ex
+      new_err = Psych.load(Psych.dump(err))
+      assert_equal err.backtrace, new_err.backtrace
+    end
+
     def test_naming_exception
       err     = String.xxx rescue $!
       new_err = Psych.load(Psych.dump(err))