make frozen_string_literal: true

45 files changed, 51 insertions, 51 deletions

diff --git a/test/psych/handlers/test_recorder.rb b/test/psych/handlers/test_recorder.rb
index 17c7c6d..d9d379e 100644
--- a/test/psych/handlers/test_recorder.rb
+++ b/test/psych/handlers/test_recorder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 require 'psych/handlers/recorder'
 
diff --git a/test/psych/helper.rb b/test/psych/helper.rb
index 7b564bd..9348457 100644
--- a/test/psych/helper.rb
+++ b/test/psych/helper.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'minitest/autorun'
 require 'stringio'
 require 'tempfile'
diff --git a/test/psych/json/test_stream.rb b/test/psych/json/test_stream.rb
index 519c114..90a770c 100644
--- a/test/psych/json/test_stream.rb
+++ b/test/psych/json/test_stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych
diff --git a/test/psych/nodes/test_enumerable.rb b/test/psych/nodes/test_enumerable.rb
index 2f4e1f3..76b3685 100644
--- a/test/psych/nodes/test_enumerable.rb
+++ b/test/psych/nodes/test_enumerable.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych
diff --git a/test/psych/test_alias_and_anchor.rb b/test/psych/test_alias_and_anchor.rb
index ed00960..91c09df 100644
--- a/test/psych/test_alias_and_anchor.rb
+++ b/test/psych/test_alias_and_anchor.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 class ObjectWithInstanceVariables
diff --git a/test/psych/test_array.rb b/test/psych/test_array.rb
index 6306a04..11f5f23 100644
--- a/test/psych/test_array.rb
+++ b/test/psych/test_array.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_boolean.rb b/test/psych/test_boolean.rb
index b2803a6..a4b80fc 100644
--- a/test/psych/test_boolean.rb
+++ b/test/psych/test_boolean.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_class.rb b/test/psych/test_class.rb
index 4e1fd4a..71f7ec3 100644
--- a/test/psych/test_class.rb
+++ b/test/psych/test_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_coder.rb b/test/psych/test_coder.rb
index e578d55..5ea8cab 100644
--- a/test/psych/test_coder.rb
+++ b/test/psych/test_coder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_date_time.rb b/test/psych/test_date_time.rb
index 3c8b436..f73f346 100644
--- a/test/psych/test_date_time.rb
+++ b/test/psych/test_date_time.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 require 'date'
 
diff --git a/test/psych/test_deprecated.rb b/test/psych/test_deprecated.rb
index eab2302..624f437 100644
--- a/test/psych/test_deprecated.rb
+++ b/test/psych/test_deprecated.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_document.rb b/test/psych/test_document.rb
index 97de2e1..a88dd32 100644
--- a/test/psych/test_document.rb
+++ b/test/psych/test_document.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_emitter.rb b/test/psych/test_emitter.rb
index 23e68b3..52d5e9d 100644
--- a/test/psych/test_emitter.rb
+++ b/test/psych/test_emitter.rb
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require_relative 'helper'
 
@@ -7,7 +7,7 @@ module Psych
   class TestEmitter < TestCase
     def setup
       super
-      @out = StringIO.new('')
+      @out = StringIO.new(''.dup)
       @emitter = Psych::Emitter.new @out
     end
 
diff --git a/test/psych/test_encoding.rb b/test/psych/test_encoding.rb
index 13ca5db..a4f9f03 100644
--- a/test/psych/test_encoding.rb
+++ b/test/psych/test_encoding.rb
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require_relative 'helper'
 
diff --git a/test/psych/test_exception.rb b/test/psych/test_exception.rb
index fa80fdb..3040bfb 100644
--- a/test/psych/test_exception.rb
+++ b/test/psych/test_exception.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_hash.rb b/test/psych/test_hash.rb
index b449ce4..e93aa73 100644
--- a/test/psych/test_hash.rb
+++ b/test/psych/test_hash.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_json_tree.rb b/test/psych/test_json_tree.rb
index 8bb850b..3c59a8d 100644
--- a/test/psych/test_json_tree.rb
+++ b/test/psych/test_json_tree.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_marshalable.rb b/test/psych/test_marshalable.rb
index 544947a..b1f4a83 100644
--- a/test/psych/test_marshalable.rb
+++ b/test/psych/test_marshalable.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 require 'delegate'
 
diff --git a/test/psych/test_merge_keys.rb b/test/psych/test_merge_keys.rb
index 76245ca..1bc3dd1 100644
--- a/test/psych/test_merge_keys.rb
+++ b/test/psych/test_merge_keys.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_nil.rb b/test/psych/test_nil.rb
index 3d4fa88..910a2e6 100644
--- a/test/psych/test_nil.rb
+++ b/test/psych/test_nil.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_null.rb b/test/psych/test_null.rb
index d8ccb70..9d92d74 100644
--- a/test/psych/test_null.rb
+++ b/test/psych/test_null.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_numeric.rb b/test/psych/test_numeric.rb
index 9d8b74f..db99a2a 100644
--- a/test/psych/test_numeric.rb
+++ b/test/psych/test_numeric.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 require 'bigdecimal'
 
diff --git a/test/psych/test_object.rb b/test/psych/test_object.rb
index ed1ccd9..f1c6145 100644
--- a/test/psych/test_object.rb
+++ b/test/psych/test_object.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_object_references.rb b/test/psych/test_object_references.rb
index 1300bfc..ca69c7d 100644
--- a/test/psych/test_object_references.rb
+++ b/test/psych/test_object_references.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_omap.rb b/test/psych/test_omap.rb
index 80791aa..98636de 100644
--- a/test/psych/test_omap.rb
+++ b/test/psych/test_omap.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_parser.rb b/test/psych/test_parser.rb
index 26aba05..6b554ce 100644
--- a/test/psych/test_parser.rb
+++ b/test/psych/test_parser.rb
@@ -1,5 +1,5 @@
 # coding: utf-8
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require_relative 'helper'
 
diff --git a/test/psych/test_psych.rb b/test/psych/test_psych.rb
index 24030d5..d0de956 100644
--- a/test/psych/test_psych.rb
+++ b/test/psych/test_psych.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 require 'stringio'
@@ -84,7 +84,7 @@ class TestPsych < Psych::TestCase
 
   def test_dump_io
     hash = {'hello' => 'TGIF!'}
-    stringio = StringIO.new ''
+    stringio = StringIO.new ''.dup
     assert_equal stringio, Psych.dump(hash, stringio)
     assert_equal Psych.dump(hash), stringio.string
   end
diff --git a/test/psych/test_safe_load.rb b/test/psych/test_safe_load.rb
index b69c54c..f3fdb9b 100644
--- a/test/psych/test_safe_load.rb
+++ b/test/psych/test_safe_load.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych
diff --git a/test/psych/test_scalar.rb b/test/psych/test_scalar.rb
index 4353ec3..4e45991 100644
--- a/test/psych/test_scalar.rb
+++ b/test/psych/test_scalar.rb
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require_relative 'helper'
 
diff --git a/test/psych/test_scalar_scanner.rb b/test/psych/test_scalar_scanner.rb
index e51fc69..ebe8daf 100644
--- a/test/psych/test_scalar_scanner.rb
+++ b/test/psych/test_scalar_scanner.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 require 'date'
 
diff --git a/test/psych/test_serialize_subclasses.rb b/test/psych/test_serialize_subclasses.rb
index be209ed..8e1d0d3 100644
--- a/test/psych/test_serialize_subclasses.rb
+++ b/test/psych/test_serialize_subclasses.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_set.rb b/test/psych/test_set.rb
index 0eb999c..5690957 100644
--- a/test/psych/test_set.rb
+++ b/test/psych/test_set.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_stream.rb b/test/psych/test_stream.rb
index 1b05428..3bd557c 100644
--- a/test/psych/test_stream.rb
+++ b/test/psych/test_stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_string.rb b/test/psych/test_string.rb
index 4aa6016..7d14d16 100644
--- a/test/psych/test_string.rb
+++ b/test/psych/test_string.rb
@@ -1,5 +1,5 @@
 # encoding: UTF-8
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
@@ -166,7 +166,7 @@ string: &70121654388580 !ruby/string
     end
 
     def test_nonascii_string_as_binary
-      string = "hello \x80 world!"
+      string = "hello \x80 world!".dup
       string.force_encoding 'ascii-8bit'
       yml = Psych.dump string
       assert_match(/binary/, yml)
@@ -202,7 +202,7 @@ string: &70121654388580 !ruby/string
     end
 
     def test_string_with_ivars
-      food = "is delicious"
+      food = "is delicious".dup
       ivar = "on rock and roll"
       food.instance_variable_set(:@we_built_this_city, ivar)
 
@@ -220,7 +220,7 @@ string: &70121654388580 !ruby/string
     end
 
     def binary_string percentage = 0.31, length = 100
-      string = ''
+      string = ''.dup
       (percentage * length).to_i.times do |i|
         string << "\b"
       end
diff --git a/test/psych/test_struct.rb b/test/psych/test_struct.rb
index b7968d3..721df44 100644
--- a/test/psych/test_struct.rb
+++ b/test/psych/test_struct.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 class PsychStructWithIvar < Struct.new(:foo)
diff --git a/test/psych/test_symbol.rb b/test/psych/test_symbol.rb
index a98881c..36416ff 100644
--- a/test/psych/test_symbol.rb
+++ b/test/psych/test_symbol.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_tainted.rb b/test/psych/test_tainted.rb
index 8705833..dcf150b 100644
--- a/test/psych/test_tainted.rb
+++ b/test/psych/test_tainted.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
@@ -90,7 +90,7 @@ module Psych
     end
 
     def assert_taintedness string
-      @parser.parse string.taint
+      @parser.parse string.dup.taint
     end
   end
 
diff --git a/test/psych/test_tree_builder.rb b/test/psych/test_tree_builder.rb
index 09f1ee3..3e35788 100644
--- a/test/psych/test_tree_builder.rb
+++ b/test/psych/test_tree_builder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 
 module Psych
diff --git a/test/psych/test_yaml.rb b/test/psych/test_yaml.rb
index cfba770..5fa759c 100644
--- a/test/psych/test_yaml.rb
+++ b/test/psych/test_yaml.rb
@@ -1,5 +1,5 @@
 # -*- coding: us-ascii; mode: ruby; ruby-indent-level: 4; tab-width: 4 -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 #												vim:sw=4:ts=4
 # $Id$
 #
diff --git a/test/psych/test_yamldbm.rb b/test/psych/test_yamldbm.rb
index 71ee04f..1f9ba15 100644
--- a/test/psych/test_yamldbm.rb
+++ b/test/psych/test_yamldbm.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 require 'tmpdir'
 
diff --git a/test/psych/test_yamlstore.rb b/test/psych/test_yamlstore.rb
index a9ce652..d1e927c 100644
--- a/test/psych/test_yamlstore.rb
+++ b/test/psych/test_yamlstore.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative 'helper'
 require 'yaml/store'
 require 'tmpdir'
diff --git a/test/psych/visitors/test_depth_first.rb b/test/psych/visitors/test_depth_first.rb
index 8072c26..f8305e1 100644
--- a/test/psych/visitors/test_depth_first.rb
+++ b/test/psych/visitors/test_depth_first.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych
diff --git a/test/psych/visitors/test_emitter.rb b/test/psych/visitors/test_emitter.rb
index 9317855..70adbb9 100644
--- a/test/psych/visitors/test_emitter.rb
+++ b/test/psych/visitors/test_emitter.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych
diff --git a/test/psych/visitors/test_to_ruby.rb b/test/psych/visitors/test_to_ruby.rb
index 8878ea2..f342bf0 100644
--- a/test/psych/visitors/test_to_ruby.rb
+++ b/test/psych/visitors/test_to_ruby.rb
@@ -1,5 +1,5 @@
 # coding: US-ASCII
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych
diff --git a/test/psych/visitors/test_yaml_tree.rb b/test/psych/visitors/test_yaml_tree.rb
index 8fc18f2..503a3e4 100644
--- a/test/psych/visitors/test_yaml_tree.rb
+++ b/test/psych/visitors/test_yaml_tree.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/helper'
 
 module Psych