* ext/psych/*: importing Psych to trunk

* test/psych/*: ditto
* lib/psych/*: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 68 insertions, 0 deletions

diff --git a/test/psych/test_omap.rb b/test/psych/test_omap.rb
new file mode 100644
index 0000000000..06750c803f
--- /dev/null
+++ b/test/psych/test_omap.rb
@@ -0,0 +1,68 @@
+require 'test/psych/helper'
+
+module Psych
+  class TestOmap < TestCase
+    def test_self_referential
+      map = Psych::Omap.new
+      map['foo'] = 'bar'
+      map['self'] = map
+      assert_equal(map, Psych.load(Psych.dump(map)))
+    end
+
+    def test_keys
+      map = Psych::Omap.new
+      map['foo'] = 'bar'
+      assert_equal 'bar', map['foo']
+    end
+
+    def test_order
+      map = Psych::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 = Psych::Omap[*list.flatten]
+      assert_equal list, map.to_a
+      assert_equal 'b', map['a']
+      assert_equal 'c', map['b']
+    end
+
+    def test_dump
+      map = Psych::Omap['a', 'b', 'c', 'd']
+      yaml = Psych.dump(map)
+      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 = Psych::Omap[*list.flatten]
+      assert_cycle(map)
+    end
+
+    def test_load
+      list = [["a", "b"], ["c", "d"]]
+      map = Psych.load(<<-eoyml)
+--- !omap
+- a: b
+- c: d
+      eoyml
+      assert_equal list, map.to_a
+    end
+
+    # NOTE: This test will not work with Syck
+    def test_load_shorthand
+      list = [["a", "b"], ["c", "d"]]
+      map = Psych.load(<<-eoyml)
+--- !!omap
+- a: b
+- c: d
+      eoyml
+      assert_equal list, map.to_a
+    end
+  end
+end