From a95be81ea20816d933d5ef1efccdf9d1b71bfe03 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 25 May 2014 03:33:22 +0000
Subject: Revert "* lib/yaml.rb: Remove Psych::EngineManager [Bug #8344]"

zzak is not the maintainer of yaml.
This reverts commit r46097.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46102 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/psych/test_engine_manager.rb | 47 +++++++++++++++++++++++++++++++++++++++
 test/psych/test_yamldbm.rb        |  2 ++
 test/psych/test_yamlstore.rb      |  2 ++
 3 files changed, 51 insertions(+)
 create mode 100644 test/psych/test_engine_manager.rb

(limited to 'test')

diff --git a/test/psych/test_engine_manager.rb b/test/psych/test_engine_manager.rb
new file mode 100644
index 0000000000..33a67432eb
--- /dev/null
+++ b/test/psych/test_engine_manager.rb
@@ -0,0 +1,47 @@
+require_relative 'helper'
+require 'yaml'
+
+module Psych
+ class TestEngineManager < TestCase
+   def test_bad_engine
+     assert_raises(ArgumentError) do
+       YAML::ENGINE.yamler = 'foooo'
+     end
+   end
+
+   def test_set_psych
+     YAML::ENGINE.yamler = 'psych'
+     assert_equal Psych, YAML
+     assert_equal 'psych', YAML::ENGINE.yamler
+   end
+
+   A = Struct.new(:name)
+
+   def test_dump_types
+     YAML::ENGINE.yamler = 'psych'
+
+     assert_to_yaml ::Object.new
+     assert_to_yaml Time.now
+     assert_to_yaml Date.today
+     assert_to_yaml('a' => 'b')
+     assert_to_yaml A.new('foo')
+     assert_to_yaml %w{a b}
+     assert_to_yaml Exception.new('foo')
+     assert_to_yaml "hello!"
+     assert_to_yaml :fooo
+     assert_to_yaml(1..10)
+     assert_to_yaml(/hello!~/)
+     assert_to_yaml 1
+     assert_to_yaml 1.2
+     assert_to_yaml Rational(1, 2)
+     assert_to_yaml Complex(1, 2)
+     assert_to_yaml true
+     assert_to_yaml false
+     assert_to_yaml nil
+   end
+
+   def assert_to_yaml obj
+     assert obj.to_yaml, "#{obj.class} to_yaml works"
+   end
+ end
+end
diff --git a/test/psych/test_yamldbm.rb b/test/psych/test_yamldbm.rb
index 23c7c9e564..dba9eee2a9 100644
--- a/test/psych/test_yamldbm.rb
+++ b/test/psych/test_yamldbm.rb
@@ -13,6 +13,7 @@ module Psych
 
   class YAMLDBMTest < TestCase
     def setup
+      @engine, YAML::ENGINE.yamler = YAML::ENGINE.yamler, 'psych'
       @dir = Dir.mktmpdir("rubytest-file")
       File.chown(-1, Process.gid, @dir)
       @yamldbm_file = make_tmp_filename("yamldbm")
@@ -20,6 +21,7 @@ module Psych
     end
 
     def teardown
+      YAML::ENGINE.yamler = @engine
       @yamldbm.clear
       @yamldbm.close
       FileUtils.remove_entry_secure @dir
diff --git a/test/psych/test_yamlstore.rb b/test/psych/test_yamlstore.rb
index 94f1330d37..19471b1e35 100644
--- a/test/psych/test_yamlstore.rb
+++ b/test/psych/test_yamlstore.rb
@@ -7,6 +7,7 @@ module Psych
 
   class YAMLStoreTest < TestCase
     def setup
+      @engine, YAML::ENGINE.yamler = YAML::ENGINE.yamler, 'psych'
       @dir = Dir.mktmpdir("rubytest-file")
       File.chown(-1, Process.gid, @dir)
       @yamlstore_file = make_tmp_filename("yamlstore")
@@ -14,6 +15,7 @@ module Psych
     end
 
     def teardown
+      YAML::ENGINE.yamler = @engine
       FileUtils.remove_entry_secure @dir
     end
 
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