Merge Pysch 3.0.3.pre1.

  I added the following additional commits from 3.0.3.pre1:
    * https://github.com/ruby/psych/pull/356
    * https://github.com/ruby/psych/pull/357
    * https://github.com/ruby/psych/pull/359

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 37 insertions, 0 deletions

diff --git a/test/psych/test_psych.rb b/test/psych/test_psych.rb
index 2812fd1bd8..8f9a10013d 100644
--- a/test/psych/test_psych.rb
+++ b/test/psych/test_psych.rb
@@ -144,12 +144,49 @@ class TestPsych < Psych::TestCase
     }
   end
 
+  def test_load_file_default_return_value
+    Tempfile.create(['empty', 'yml']) {|t|
+      assert_equal false, Psych.load_file(t.path)
+    }
+  end
+
   def test_load_file_with_fallback
     Tempfile.create(['empty', 'yml']) {|t|
+      assert_equal 42, Psych.load_file(t.path, fallback: 42)
+    }
+  end
+
+  def test_load_file_with_fallback_nil_or_false
+    Tempfile.create(['empty', 'yml']) {|t|
+      assert_nil Psych.load_file(t.path, fallback: nil)
+      assert_equal false, Psych.load_file(t.path, fallback: false)
+    }
+  end
+
+  def test_load_file_with_fallback_hash
+    Tempfile.create(['empty', 'yml']) {|t|
       assert_equal Hash.new, Psych.load_file(t.path, fallback: Hash.new)
     }
   end
 
+  def test_load_file_with_fallback_for_nil
+    Tempfile.create(['nil', 'yml']) {|t|
+      t.binmode
+      t.write('--- null')
+      t.close
+      assert_nil Psych.load_file(t.path, fallback: 42)
+    }
+  end
+
+  def test_load_file_with_fallback_for_false
+    Tempfile.create(['false', 'yml']) {|t|
+      t.binmode
+      t.write('--- false')
+      t.close
+      assert_equal false, Psych.load_file(t.path, fallback: 42)
+    }
+  end
+
   def test_parse_file
     Tempfile.create(['yikes', 'yml']) {|t|
       t.binmode