1 files changed, 56 insertions, 0 deletions
diff --git a/test/syck/test_omap.rb b/test/syck/test_omap.rb
new file mode 100644
index 0000000000..8a2d7075b6
--- /dev/null
+++ b/test/syck/test_omap.rb
@@ -0,0 +1,56 @@
+require 'test/unit'
+require 'yaml'
+
+module Syck
+  class TestOmap < Test::Unit::TestCase
+    def test_keys
+      map = YAML::Omap.new
+      map['foo'] = 'bar'
+      assert_equal 'bar', map['foo']
+    end
+
+    def test_order
+      map = YAML::Omap.new
+      map['a'] = 'b'
+      map['b'] = 'c'
+      assert_equal [%w{a b}, %w{b c}], map.to_a
+    end
+
+    def test_square
+      list = [["a", "b"], ["b", "c"]]
+      map = YAML::Omap[*list.flatten]
+      assert_equal list, map.to_a
+      assert_equal 'b', map['a']
+      assert_equal 'c', map['b']
+    end
+
+    def test_to_yaml
+      map = YAML::Omap['a', 'b', 'c', 'd']
+      yaml = map.to_yaml
+      assert_match('!omap', yaml)
+      assert_match('- a: b', yaml)
+      assert_match('- c: d', yaml)
+    end
+
+    def test_round_trip
+      list = [["a", "b"], ["b", "c"]]
+      map = YAML::Omap[*list.flatten]
+      loaded = YAML.load(YAML.dump(map))
+
+      assert_equal map, loaded
+      assert_equal list, loaded.to_a
+    end
+
+    ###
+    # FIXME: Syck should also support !!omap as shorthand
+    def test_load
+      list = [["a", "b"], ["c", "d"]]
+      map = YAML.load(<<-eoyml)
+--- !omap
+- a: b
+- c: d
+      eoyml
+      assert_equal list, map.to_a
+    end
+  end
+end