1 files changed, 46 insertions, 0 deletions
diff --git a/test/yaml/test_exception.rb b/test/yaml/test_exception.rb
new file mode 100644
index 0000000000..f9354ffe2b
--- /dev/null
+++ b/test/yaml/test_exception.rb
@@ -0,0 +1,46 @@
+require 'test/unit'
+require 'yaml'
+
+module YAML
+  class TestException < Test::Unit::TestCase
+    class Wups < Exception
+      attr_reader :foo, :bar
+      def initialize *args
+        super
+        @foo = 1
+        @bar = 2
+      end
+    end
+
+    def setup
+      @wups = Wups.new
+    end
+
+    def test_to_yaml
+      w = YAML.load(@wups.to_yaml)
+      assert_equal @wups, w
+      assert_equal 1, w.foo
+      assert_equal 2, w.bar
+    end
+
+    def test_dump
+      w = YAML.load(@wups.to_yaml)
+      assert_equal @wups, w
+      assert_equal 1, w.foo
+      assert_equal 2, w.bar
+    end
+
+    def test_to_yaml_properties
+      class << @wups
+        def to_yaml_properties
+          [:@foo]
+        end
+      end
+
+      w = YAML.load(YAML.dump(@wups))
+      assert_equal @wups, w
+      assert_equal 1, w.foo
+      assert_nil w.bar
+    end
+  end
+end