From 9dc121cc577ae7a010bca7efedb79088e3cf7331 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 27 Jun 2018 12:30:05 +0000
Subject: Update to ruby/spec@a454137

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 spec/ruby/.rubocop.yml                             |   5 +
 spec/ruby/.rubocop_todo.yml                        |   2 -
 spec/ruby/command_line/rubylib_spec.rb             |  67 +++++++++++
 spec/ruby/command_line/rubyopt_spec.rb             |   4 +-
 spec/ruby/core/class/inherited_spec.rb             |   1 -
 spec/ruby/core/enumerable/zip_spec.rb              |   1 -
 spec/ruby/core/env/shared/key.rb                   |   2 -
 .../core/exception/uncaught_throw_error_spec.rb    |   1 -
 .../float/shared/arithmetic_exception_in_coerce.rb |   1 -
 .../float/shared/comparison_exception_in_coerce.rb |   1 -
 spec/ruby/core/hash/clone_spec.rb                  |   1 -
 spec/ruby/core/hash/has_key_spec.rb                |   1 -
 spec/ruby/core/hash/has_value_spec.rb              |   1 -
 spec/ruby/core/hash/value_spec.rb                  |   1 -
 spec/ruby/core/integer/abs_spec.rb                 |   1 -
 spec/ruby/core/integer/divide_spec.rb              |   1 -
 spec/ruby/core/integer/equal_value_spec.rb         |   1 -
 spec/ruby/core/integer/gt_spec.rb                  |   1 -
 spec/ruby/core/integer/gte_spec.rb                 |   1 -
 spec/ruby/core/integer/lt_spec.rb                  |   1 -
 spec/ruby/core/integer/lte_spec.rb                 |   1 -
 spec/ruby/core/integer/magnitude_spec.rb           |   1 -
 spec/ruby/core/integer/minus_spec.rb               |   1 -
 spec/ruby/core/integer/multiply_spec.rb            |   1 -
 spec/ruby/core/integer/plus_spec.rb                |   1 -
 spec/ruby/core/io/pos_spec.rb                      |   1 -
 spec/ruby/core/io/print_spec.rb                    |   1 -
 spec/ruby/core/io/shared/write.rb                  |  21 ++++
 spec/ruby/core/kernel/eql_spec.rb                  |   1 -
 spec/ruby/core/kernel/eval_spec.rb                 | 128 +++++++++++++++++++++
 spec/ruby/core/kernel/lambda_spec.rb               |   1 -
 spec/ruby/core/kernel/printf_spec.rb               |   1 -
 spec/ruby/core/module/protected_spec.rb            |   1 -
 spec/ruby/core/string/clone_spec.rb                |   1 -
 spec/ruby/core/string/percent_spec.rb              |   1 -
 spec/ruby/core/systemexit/initialize_spec.rb       |   1 -
 spec/ruby/core/thread/run_spec.rb                  |   1 -
 spec/ruby/core/time/_dump_spec.rb                  |   1 -
 spec/ruby/core/tracepoint/callee_id_spec.rb        |   1 -
 spec/ruby/language/fixtures/metaclass.rb           |   1 -
 spec/ruby/library/bigdecimal/finite_spec.rb        |   1 -
 spec/ruby/library/bigdecimal/precs_spec.rb         |   1 -
 spec/ruby/library/bigdecimal/quo_spec.rb           |   1 -
 spec/ruby/library/bigdecimal/sign_spec.rb          |   1 -
 spec/ruby/library/bigdecimal/split_spec.rb         |   2 -
 spec/ruby/library/bigdecimal/to_f_spec.rb          |   1 -
 spec/ruby/library/bigdecimal/to_s_spec.rb          |   1 -
 spec/ruby/library/bigdecimal/uplus_spec.rb         |   3 -
 spec/ruby/library/bigdecimal/zero_spec.rb          |   1 -
 spec/ruby/library/date/commercial_spec.rb          |   1 -
 spec/ruby/library/date/gregorian_leap_spec.rb      |   1 -
 spec/ruby/library/date/ordinal_spec.rb             |   1 -
 spec/ruby/library/date/valid_civil_spec.rb         |   1 -
 spec/ruby/library/date/valid_commercial_spec.rb    |   2 -
 spec/ruby/library/date/valid_jd_spec.rb            |   1 -
 spec/ruby/library/date/valid_ordinal_spec.rb       |   1 -
 spec/ruby/library/digest/md5/block_length_spec.rb  |   1 -
 spec/ruby/library/digest/md5/digest_length_spec.rb |   1 -
 spec/ruby/library/digest/md5/equal_spec.rb         |   1 -
 spec/ruby/library/digest/md5/inspect_spec.rb       |   1 -
 spec/ruby/library/digest/md5/length_spec.rb        |   1 -
 spec/ruby/library/digest/md5/reset_spec.rb         |   1 -
 spec/ruby/library/digest/md5/size_spec.rb          |   1 -
 .../library/digest/sha256/block_length_spec.rb     |   1 -
 .../library/digest/sha256/digest_length_spec.rb    |   1 -
 spec/ruby/library/digest/sha256/equal_spec.rb      |   1 -
 spec/ruby/library/digest/sha256/inspect_spec.rb    |   1 -
 spec/ruby/library/digest/sha256/length_spec.rb     |   1 -
 spec/ruby/library/digest/sha256/reset_spec.rb      |   1 -
 spec/ruby/library/digest/sha256/size_spec.rb       |   1 -
 .../library/digest/sha384/block_length_spec.rb     |   1 -
 .../library/digest/sha384/digest_length_spec.rb    |   1 -
 spec/ruby/library/digest/sha384/equal_spec.rb      |   1 -
 spec/ruby/library/digest/sha384/inspect_spec.rb    |   1 -
 spec/ruby/library/digest/sha384/length_spec.rb     |   1 -
 spec/ruby/library/digest/sha384/reset_spec.rb      |   1 -
 spec/ruby/library/digest/sha384/size_spec.rb       |   1 -
 .../library/digest/sha512/block_length_spec.rb     |   1 -
 .../library/digest/sha512/digest_length_spec.rb    |   1 -
 spec/ruby/library/digest/sha512/equal_spec.rb      |   1 -
 spec/ruby/library/digest/sha512/inspect_spec.rb    |   1 -
 spec/ruby/library/digest/sha512/length_spec.rb     |   1 -
 spec/ruby/library/digest/sha512/reset_spec.rb      |   1 -
 spec/ruby/library/digest/sha512/size_spec.rb       |   1 -
 spec/ruby/library/erb/run_spec.rb                  |   1 -
 spec/ruby/library/erb/util/html_escape_spec.rb     |   1 -
 spec/ruby/library/erb/util/u_spec.rb               |   1 -
 spec/ruby/library/ipaddr/ipv4_conversion_spec.rb   |   2 -
 spec/ruby/library/net/http/http/head2_spec.rb      |   1 -
 spec/ruby/library/net/http/http/post_spec.rb       |   1 -
 .../net/http/httpheader/each_capitalized_spec.rb   |   1 -
 .../net/http/httpresponse/read_body_spec.rb        |   1 -
 spec/ruby/library/pathname/absolute_spec.rb        |   1 -
 spec/ruby/library/pathname/equal_value_spec.rb     |   1 -
 spec/ruby/library/pathname/hash_spec.rb            |   1 -
 spec/ruby/library/pathname/parent_spec.rb          |   1 -
 spec/ruby/library/pathname/relative_spec.rb        |   1 -
 spec/ruby/library/pathname/root_spec.rb            |   1 -
 spec/ruby/library/pathname/sub_spec.rb             |   1 -
 spec/ruby/library/rbconfig/rbconfig_spec.rb        |  11 ++
 spec/ruby/library/rexml/attribute/inspect_spec.rb  |   1 -
 .../ruby/library/rexml/attribute/to_string_spec.rb |   1 -
 spec/ruby/library/rexml/attribute/value_spec.rb    |   1 -
 spec/ruby/library/rexml/attribute/xpath_spec.rb    |   1 -
 .../rexml/attributes/each_attribute_spec.rb        |   3 -
 spec/ruby/library/rexml/attributes/each_spec.rb    |   2 -
 .../rexml/attributes/element_reference_spec.rb     |   1 -
 .../library/rexml/attributes/element_set_spec.rb   |   1 -
 spec/ruby/library/rexml/attributes/to_a_spec.rb    |   1 -
 .../library/rexml/element/add_namespace_spec.rb    |   1 -
 spec/ruby/library/rexml/element/document_spec.rb   |   2 -
 spec/ruby/library/rexml/node/parent_spec.rb        |   1 -
 spec/ruby/library/rexml/text/indent_text_spec.rb   |   1 -
 spec/ruby/library/rexml/text/new_spec.rb           |   1 -
 .../rexml/text/read_with_substitution_spec.rb      |   1 -
 spec/ruby/library/rexml/text/to_s_spec.rb          |   1 -
 spec/ruby/library/rexml/text/wrap_spec.rb          |   1 -
 spec/ruby/library/set/case_compare_spec.rb         |   1 -
 .../ruby/library/socket/socket/getaddrinfo_spec.rb |   2 +-
 spec/ruby/library/stringio/each_codepoint_spec.rb  |   1 -
 spec/ruby/library/stringio/open_spec.rb            |   1 -
 spec/ruby/library/stringio/printf_spec.rb          |   1 -
 spec/ruby/library/stringio/stringio_spec.rb        |   1 -
 .../stringscanner/element_reference_spec.rb        |   1 -
 spec/ruby/library/stringscanner/peek_spec.rb       |   1 -
 spec/ruby/library/tempfile/open_spec.rb            |   1 -
 spec/ruby/library/uri/set_component_spec.rb        |   2 -
 .../library/zlib/deflate/set_dictionary_spec.rb    |   1 -
 spec/ruby/library/zlib/gzipfile/close_spec.rb      |   1 -
 spec/ruby/library/zlib/gzipfile/closed_spec.rb     |   1 -
 spec/ruby/library/zlib/gzipfile/comment_spec.rb    |   1 -
 spec/ruby/library/zlib/gzipfile/orig_name_spec.rb  |   1 -
 spec/ruby/library/zlib/gzipreader/pos_spec.rb      |   1 -
 .../library/zlib/inflate/set_dictionary_spec.rb    |   1 -
 .../library/zlib/zstream/flush_next_out_spec.rb    |   2 -
 spec/ruby/optional/capi/enumerator_spec.rb         |  27 +++++
 spec/ruby/optional/capi/ext/enumerator_spec.c      |  15 +++
 spec/ruby/optional/capi/ext/kernel_spec.c          |  11 ++
 spec/ruby/optional/capi/ext/rubyspec.h             |   3 +
 spec/ruby/optional/capi/ext/string_spec.c          |  12 +-
 spec/ruby/optional/capi/kernel_spec.rb             |   7 ++
 spec/ruby/optional/capi/rake_helper.rb             |   1 -
 spec/ruby/optional/capi/string_spec.rb             |  19 +++
 143 files changed, 328 insertions(+), 146 deletions(-)
 create mode 100644 spec/ruby/command_line/rubylib_spec.rb
 create mode 100644 spec/ruby/library/rbconfig/rbconfig_spec.rb

diff --git a/spec/ruby/.rubocop.yml b/spec/ruby/.rubocop.yml
index cec5309dc8..c544fa5fd0 100644
--- a/spec/ruby/.rubocop.yml
+++ b/spec/ruby/.rubocop.yml
@@ -10,6 +10,11 @@ AllCops:
 Layout/TrailingWhitespace:
   Enabled: true
 
+Layout/TrailingBlankLines:
+  Enabled: true
+  Exclude:
+    - library/coverage/fixtures/some_class.rb
+
 Lint:
   Enabled: true
 
diff --git a/spec/ruby/.rubocop_todo.yml b/spec/ruby/.rubocop_todo.yml
index 9484078c8e..289471dde6 100644
--- a/spec/ruby/.rubocop_todo.yml
+++ b/spec/ruby/.rubocop_todo.yml
@@ -87,12 +87,10 @@ Lint/MultipleCompare:
 # Offense count: 12
 Lint/ParenthesesAsGroupedExpression:
   Exclude:
-    - 'command_line/rubyopt_spec.rb'
     - 'core/string/fixtures/freeze_magic_comment.rb'
     - 'language/block_spec.rb'
     - 'language/fixtures/send.rb'
     - 'language/method_spec.rb'
-    - 'library/socket/socket/getaddrinfo_spec.rb'
 
 # Offense count: 1
 # Cop supports --auto-correct.
diff --git a/spec/ruby/command_line/rubylib_spec.rb b/spec/ruby/command_line/rubylib_spec.rb
new file mode 100644
index 0000000000..93184f446d
--- /dev/null
+++ b/spec/ruby/command_line/rubylib_spec.rb
@@ -0,0 +1,67 @@
+require_relative '../spec_helper'
+
+describe "The RUBYLIB environment variable" do
+  before :each do
+    @rubylib, ENV["RUBYLIB"] = ENV["RUBYLIB"], nil
+  end
+
+  after :each do
+    ENV["RUBYLIB"] = @rubylib
+  end
+
+  it "adds a directory to $LOAD_PATH" do
+    dir = tmp("rubylib/incl")
+    ENV["RUBYLIB"] = dir
+    paths = ruby_exe("puts $LOAD_PATH").lines.map(&:chomp)
+    paths.should include(dir)
+  end
+
+  it "adds a colon-separated list of directories to $LOAD_PATH" do
+    dir1, dir2 = tmp("rubylib/incl1"), tmp("rubylib/incl2")
+    ENV["RUBYLIB"] = "#{dir1}:#{dir2}"
+    paths = ruby_exe("puts $LOAD_PATH").lines.map(&:chomp)
+    paths.should include(dir1)
+    paths.should include(dir2)
+    paths.index(dir1).should < paths.index(dir2)
+  end
+
+  it "adds the directory at the front of $LOAD_PATH" do
+    dir = tmp("rubylib/incl_front")
+    ENV["RUBYLIB"] = dir
+    paths = ruby_exe("puts $LOAD_PATH").lines.map(&:chomp)
+    if PlatformGuard.implementation? :ruby
+      # In a MRI checkout, $PWD and some extra -I entries end up as
+      # the first entries in $LOAD_PATH. So just assert that it's not last.
+      idx = paths.index(dir)
+      idx.should < paths.size-1
+    else
+      paths[0].should == dir
+    end
+  end
+
+  it "adds the directory after directories added by -I" do
+    dash_i_dir = tmp("dash_I_include")
+    rubylib_dir = tmp("rubylib_include")
+    ENV["RUBYLIB"] = rubylib_dir
+    paths = ruby_exe("puts $LOAD_PATH", options: "-I #{dash_i_dir}").lines.map(&:chomp)
+    paths.should include(dash_i_dir)
+    paths.should include(rubylib_dir)
+    paths.index(dash_i_dir).should < paths.index(rubylib_dir)
+  end
+
+  it "adds the directory after directories added by -I within RUBYOPT" do
+    rubyopt_dir = tmp("rubyopt_include")
+    rubylib_dir = tmp("rubylib_include")
+    ENV["RUBYLIB"] = rubylib_dir
+    paths = ruby_exe("puts $LOAD_PATH", env: { "RUBYOPT" => "-I#{rubyopt_dir}" }).lines.map(&:chomp)
+    paths.should include(rubyopt_dir)
+    paths.should include(rubylib_dir)
+    paths.index(rubyopt_dir).should < paths.index(rubylib_dir)
+  end
+
+  it "keeps spaces in the value" do
+    ENV["RUBYLIB"] = " rubylib/incl "
+    out = ruby_exe("puts $LOAD_PATH")
+    out.should include(" rubylib/incl ")
+  end
+end
diff --git a/spec/ruby/command_line/rubyopt_spec.rb b/spec/ruby/command_line/rubyopt_spec.rb
index 81a57f97c3..50f5d5d0a8 100644
--- a/spec/ruby/command_line/rubyopt_spec.rb
+++ b/spec/ruby/command_line/rubyopt_spec.rb
@@ -1,11 +1,11 @@
 require_relative '../spec_helper'
 
 describe "Processing RUBYOPT" do
-  before (:each) do
+  before :each do
     @rubyopt, ENV["RUBYOPT"] = ENV["RUBYOPT"], nil
   end
 
-  after (:each) do
+  after :each do
     ENV["RUBYOPT"] = @rubyopt
   end
 
diff --git a/spec/ruby/core/class/inherited_spec.rb b/spec/ruby/core/class/inherited_spec.rb
index 0ec0d84f6e..fb7fb8e75a 100644
--- a/spec/ruby/core/class/inherited_spec.rb
+++ b/spec/ruby/core/class/inherited_spec.rb
@@ -99,4 +99,3 @@ describe "Class.inherited" do
   end
 
 end
-
diff --git a/spec/ruby/core/enumerable/zip_spec.rb b/spec/ruby/core/enumerable/zip_spec.rb
index d5a059bc5d..1212911697 100644
--- a/spec/ruby/core/enumerable/zip_spec.rb
+++ b/spec/ruby/core/enumerable/zip_spec.rb
@@ -39,4 +39,3 @@ describe "Enumerable#zip" do
   end
 
 end
-
diff --git a/spec/ruby/core/env/shared/key.rb b/spec/ruby/core/env/shared/key.rb
index 5e6c21840f..c40a56093e 100644
--- a/spec/ruby/core/env/shared/key.rb
+++ b/spec/ruby/core/env/shared/key.rb
@@ -11,5 +11,3 @@ describe :env_key, shared: true do
     ENV.send(@method, "should_never_be_set").should be_nil
   end
 end
-
-
diff --git a/spec/ruby/core/exception/uncaught_throw_error_spec.rb b/spec/ruby/core/exception/uncaught_throw_error_spec.rb
index f4300441a5..57f391d755 100644
--- a/spec/ruby/core/exception/uncaught_throw_error_spec.rb
+++ b/spec/ruby/core/exception/uncaught_throw_error_spec.rb
@@ -16,4 +16,3 @@ describe "UncaughtThrowError#tag" do
     end
   end
 end
-
diff --git a/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb b/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb
index 71b540f752..19a02572d8 100644
--- a/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb
+++ b/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb
@@ -31,4 +31,3 @@ describe :float_arithmetic_exception_in_coerce, shared: true do
     end
   end
 end
-
diff --git a/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb b/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb
index 6d6f14da30..f8ded53644 100644
--- a/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb
+++ b/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb
@@ -33,4 +33,3 @@ describe :float_comparison_exception_in_coerce, shared: true do
     end
   end
 end
-
diff --git a/spec/ruby/core/hash/clone_spec.rb b/spec/ruby/core/hash/clone_spec.rb
index bb726e3ec4..6c96fc0c67 100644
--- a/spec/ruby/core/hash/clone_spec.rb
+++ b/spec/ruby/core/hash/clone_spec.rb
@@ -10,4 +10,3 @@ describe "Hash#clone" do
     clone.should_not equal hash
   end
 end
-
diff --git a/spec/ruby/core/hash/has_key_spec.rb b/spec/ruby/core/hash/has_key_spec.rb
index 55f17d9ccb..4af53579e5 100644
--- a/spec/ruby/core/hash/has_key_spec.rb
+++ b/spec/ruby/core/hash/has_key_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/key'
 describe "Hash#has_key?" do
   it_behaves_like :hash_key_p, :has_key?
 end
-
diff --git a/spec/ruby/core/hash/has_value_spec.rb b/spec/ruby/core/hash/has_value_spec.rb
index 72663d0806..39f1627fd3 100644
--- a/spec/ruby/core/hash/has_value_spec.rb
+++ b/spec/ruby/core/hash/has_value_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/value'
 describe "Hash#has_value?" do
   it_behaves_like :hash_value_p, :has_value?
 end
-
diff --git a/spec/ruby/core/hash/value_spec.rb b/spec/ruby/core/hash/value_spec.rb
index f8cb72bb4a..0ab16a5d1b 100644
--- a/spec/ruby/core/hash/value_spec.rb
+++ b/spec/ruby/core/hash/value_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/value'
 describe "Hash#value?" do
   it_behaves_like :hash_value_p, :value?
 end
-
diff --git a/spec/ruby/core/integer/abs_spec.rb b/spec/ruby/core/integer/abs_spec.rb
index 7509a83a7e..c40356db12 100644
--- a/spec/ruby/core/integer/abs_spec.rb
+++ b/spec/ruby/core/integer/abs_spec.rb
@@ -4,4 +4,3 @@ require_relative 'shared/abs'
 describe "Integer#abs" do
   it_behaves_like :integer_abs, :abs
 end
-
diff --git a/spec/ruby/core/integer/divide_spec.rb b/spec/ruby/core/integer/divide_spec.rb
index 6fe509b62c..2d49307628 100644
--- a/spec/ruby/core/integer/divide_spec.rb
+++ b/spec/ruby/core/integer/divide_spec.rb
@@ -93,4 +93,3 @@ describe "Integer#/" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/equal_value_spec.rb b/spec/ruby/core/integer/equal_value_spec.rb
index b527f16b1e..67a73713af 100644
--- a/spec/ruby/core/integer/equal_value_spec.rb
+++ b/spec/ruby/core/integer/equal_value_spec.rb
@@ -4,4 +4,3 @@ require_relative 'shared/equal'
 describe "Integer#==" do
   it_behaves_like :integer_equal, :==
 end
-
diff --git a/spec/ruby/core/integer/gt_spec.rb b/spec/ruby/core/integer/gt_spec.rb
index 2a3488cb49..14c51c9acc 100644
--- a/spec/ruby/core/integer/gt_spec.rb
+++ b/spec/ruby/core/integer/gt_spec.rb
@@ -47,4 +47,3 @@ describe "Integer#>" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/gte_spec.rb b/spec/ruby/core/integer/gte_spec.rb
index ce379a07e3..3d5c48faa5 100644
--- a/spec/ruby/core/integer/gte_spec.rb
+++ b/spec/ruby/core/integer/gte_spec.rb
@@ -47,4 +47,3 @@ describe "Integer#>=" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/lt_spec.rb b/spec/ruby/core/integer/lt_spec.rb
index f687e0381f..a33a297d8b 100644
--- a/spec/ruby/core/integer/lt_spec.rb
+++ b/spec/ruby/core/integer/lt_spec.rb
@@ -49,4 +49,3 @@ describe "Integer#<" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/lte_spec.rb b/spec/ruby/core/integer/lte_spec.rb
index f9fc417640..1d3ecea2ac 100644
--- a/spec/ruby/core/integer/lte_spec.rb
+++ b/spec/ruby/core/integer/lte_spec.rb
@@ -52,4 +52,3 @@ describe "Integer#<=" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/magnitude_spec.rb b/spec/ruby/core/integer/magnitude_spec.rb
index 8820c83891..48cf1a8534 100644
--- a/spec/ruby/core/integer/magnitude_spec.rb
+++ b/spec/ruby/core/integer/magnitude_spec.rb
@@ -4,4 +4,3 @@ require_relative 'shared/abs'
 describe "Integer#magnitude" do
   it_behaves_like :integer_abs, :magnitude
 end
-
diff --git a/spec/ruby/core/integer/minus_spec.rb b/spec/ruby/core/integer/minus_spec.rb
index ff933b974f..84db427172 100644
--- a/spec/ruby/core/integer/minus_spec.rb
+++ b/spec/ruby/core/integer/minus_spec.rb
@@ -47,4 +47,3 @@ describe "Integer#-" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/multiply_spec.rb b/spec/ruby/core/integer/multiply_spec.rb
index 68e7dd8fae..1683b0c96e 100644
--- a/spec/ruby/core/integer/multiply_spec.rb
+++ b/spec/ruby/core/integer/multiply_spec.rb
@@ -49,4 +49,3 @@ describe "Integer#*" do
     end
   end
 end
-
diff --git a/spec/ruby/core/integer/plus_spec.rb b/spec/ruby/core/integer/plus_spec.rb
index d41077450d..2880840bc1 100644
--- a/spec/ruby/core/integer/plus_spec.rb
+++ b/spec/ruby/core/integer/plus_spec.rb
@@ -47,4 +47,3 @@ describe "Integer#+" do
     end
   end
 end
-
diff --git a/spec/ruby/core/io/pos_spec.rb b/spec/ruby/core/io/pos_spec.rb
index ca0a761c8f..e6cda2643d 100644
--- a/spec/ruby/core/io/pos_spec.rb
+++ b/spec/ruby/core/io/pos_spec.rb
@@ -9,4 +9,3 @@ end
 describe "IO#pos=" do
   it_behaves_like :io_set_pos, :pos=
 end
-
diff --git a/spec/ruby/core/io/print_spec.rb b/spec/ruby/core/io/print_spec.rb
index a4a069361e..0dd48344ce 100644
--- a/spec/ruby/core/io/print_spec.rb
+++ b/spec/ruby/core/io/print_spec.rb
@@ -51,4 +51,3 @@ describe IO, "#print" do
     lambda { IOSpecs.closed_io.print("stuff") }.should raise_error(IOError)
   end
 end
-
diff --git a/spec/ruby/core/io/shared/write.rb b/spec/ruby/core/io/shared/write.rb
index 9490a848d7..bca96da81c 100644
--- a/spec/ruby/core/io/shared/write.rb
+++ b/spec/ruby/core/io/shared/write.rb
@@ -69,4 +69,25 @@ describe :io_write, shared: true do
     lambda { IOSpecs.closed_io.send(@method, "hello") }.should raise_error(IOError)
   end
 
+  describe "on a pipe" do
+    before :each do
+      @r, @w = IO.pipe
+    end
+
+    after :each do
+      @r.close
+      @w.close
+    end
+
+    it "writes the given String to the pipe" do
+      @w.send(@method, "foo")
+      @w.close
+      @r.read.should == "foo"
+    end
+
+    it "raises Errno::EPIPE if the read end is closed" do
+      @r.close
+      -> { @w.send(@method, "foo") }.should raise_error(Errno::EPIPE, "Broken pipe")
+    end
+  end
 end
diff --git a/spec/ruby/core/kernel/eql_spec.rb b/spec/ruby/core/kernel/eql_spec.rb
index 83185b824a..e62a601a79 100644
--- a/spec/ruby/core/kernel/eql_spec.rb
+++ b/spec/ruby/core/kernel/eql_spec.rb
@@ -8,4 +8,3 @@ describe "Kernel#eql?" do
 
   it_behaves_like :object_equal, :eql?
 end
-
diff --git a/spec/ruby/core/kernel/eval_spec.rb b/spec/ruby/core/kernel/eval_spec.rb
index ad06af7b05..fbae8ff3c7 100644
--- a/spec/ruby/core/kernel/eval_spec.rb
+++ b/spec/ruby/core/kernel/eval_spec.rb
@@ -213,4 +213,132 @@ describe "Kernel#eval" do
     code = fixture __FILE__, "eval_return_without_lambda.rb"
     ruby_exe(code).chomp.should == "a,b,c,e,LocalJumpError,f"
   end
+
+  describe "with a magic encoding comment" do
+    it "uses the magic comment encoding for the encoding of literal strings" do
+      code = "# encoding: UTF-8\n'é'.encoding".b
+      code.encoding.should == Encoding::BINARY
+      eval(code).should == Encoding::UTF_8
+    end
+
+    it "uses the magic comment encoding for parsing constants" do
+      code = <<CODE.b
+# encoding: UTF-8
+class EvalSpecs
+  Vπ = 3.14
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπ")
+      EvalSpecs::Vπ.should == 3.14
+    end
+
+    it "allows an emacs-style magic comment encoding" do
+      code = <<CODE.b
+# -*- encoding: UTF-8 -*-
+class EvalSpecs
+Vπemacs = 3.14
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπemacs")
+      EvalSpecs::Vπemacs.should == 3.14
+    end
+
+    it "allows spaces before the magic encoding comment" do
+      code = <<CODE.b
+\t  \t  # encoding: UTF-8
+class EvalSpecs
+  Vπspaces = 3.14
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπspaces")
+      EvalSpecs::Vπspaces.should == 3.14
+    end
+
+    it "allows a shebang line before the magic encoding comment" do
+      code = <<CODE.b
+#!/usr/bin/env ruby
+# encoding: UTF-8
+class EvalSpecs
+  Vπshebang = 3.14
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπshebang")
+      EvalSpecs::Vπshebang.should == 3.14
+    end
+
+    it "allows a shebang line and some spaces before the magic encoding comment" do
+      code = <<CODE.b
+#!/usr/bin/env ruby
+  # encoding: UTF-8
+class EvalSpecs
+  Vπshebang_spaces = 3.14
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπshebang_spaces")
+      EvalSpecs::Vπshebang_spaces.should == 3.14
+    end
+
+    it "allows a magic encoding comment and a subsequent frozen_string_literal magic comment" do
+      # Make sure frozen_string_literal is not default true
+      eval("'foo'".b).frozen?.should be_false
+
+      code = <<CODE.b
+# encoding: UTF-8
+# frozen_string_literal: true
+class EvalSpecs
+  Vπstring = "frozen"
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπstring")
+      EvalSpecs::Vπstring.should == "frozen"
+      EvalSpecs::Vπstring.encoding.should == Encoding::UTF_8
+      EvalSpecs::Vπstring.frozen?.should be_true
+    end
+
+    it "allows a magic encoding comment and a frozen_string_literal magic comment on the same line in emacs style" do
+      code = <<CODE.b
+# -*- encoding: UTF-8; frozen_string_literal: true -*-
+class EvalSpecs
+Vπsame_line = "frozen"
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should include(:"Vπsame_line")
+      EvalSpecs::Vπsame_line.should == "frozen"
+      EvalSpecs::Vπsame_line.encoding.should == Encoding::UTF_8
+      EvalSpecs::Vπsame_line.frozen?.should be_true
+    end
+
+    it "ignores the magic encoding comment if it is after a frozen_string_literal magic comment" do
+      code = <<CODE.b
+# frozen_string_literal: true
+# encoding: UTF-8
+class EvalSpecs
+  Vπfrozen_first = "frozen"
+end
+CODE
+      code.encoding.should == Encoding::BINARY
+      eval(code)
+      EvalSpecs.constants(false).should_not include(:"Vπfrozen_first")
+      binary_constant = "Vπfrozen_first".b.to_sym
+      EvalSpecs.constants(false).should include(binary_constant)
+      value = EvalSpecs.const_get(binary_constant)
+      value.should == "frozen"
+      value.encoding.should == Encoding::BINARY
+      value.frozen?.should be_true
+    end
+  end
 end
diff --git a/spec/ruby/core/kernel/lambda_spec.rb b/spec/ruby/core/kernel/lambda_spec.rb
index b27a88e85a..52f340dde5 100644
--- a/spec/ruby/core/kernel/lambda_spec.rb
+++ b/spec/ruby/core/kernel/lambda_spec.rb
@@ -83,4 +83,3 @@ describe "Kernel.lambda" do
     KernelSpecs::Lambda.new.outer.should == :good
   end
 end
-
diff --git a/spec/ruby/core/kernel/printf_spec.rb b/spec/ruby/core/kernel/printf_spec.rb
index 53ee6419c6..ca88082694 100644
--- a/spec/ruby/core/kernel/printf_spec.rb
+++ b/spec/ruby/core/kernel/printf_spec.rb
@@ -58,4 +58,3 @@ describe "Kernel.printf" do
     end
   end
 end
-
diff --git a/spec/ruby/core/module/protected_spec.rb b/spec/ruby/core/module/protected_spec.rb
index c2c7ab083d..985e4621c5 100644
--- a/spec/ruby/core/module/protected_spec.rb
+++ b/spec/ruby/core/module/protected_spec.rb
@@ -53,4 +53,3 @@ describe "Module#protected" do
     end.should raise_error(NameError)
   end
 end
-
diff --git a/spec/ruby/core/string/clone_spec.rb b/spec/ruby/core/string/clone_spec.rb
index 6259cf89ef..f8d40423f0 100644
--- a/spec/ruby/core/string/clone_spec.rb
+++ b/spec/ruby/core/string/clone_spec.rb
@@ -55,4 +55,3 @@ describe "String#clone" do
     clone.should == "string"
   end
 end
-
diff --git a/spec/ruby/core/string/percent_spec.rb b/spec/ruby/core/string/percent_spec.rb
index 2ddcab7907..e701def344 100644
--- a/spec/ruby/core/string/percent_spec.rb
+++ b/spec/ruby/core/string/percent_spec.rb
@@ -11,4 +11,3 @@ describe "String#%" do
     format % args
   }
 end
-
diff --git a/spec/ruby/core/systemexit/initialize_spec.rb b/spec/ruby/core/systemexit/initialize_spec.rb
index 3156ff52c1..2cebaa7993 100644
--- a/spec/ruby/core/systemexit/initialize_spec.rb
+++ b/spec/ruby/core/systemexit/initialize_spec.rb
@@ -24,4 +24,3 @@ describe "SystemExit#initialize" do
     s.status.should == 0
   end
 end
-
diff --git a/spec/ruby/core/thread/run_spec.rb b/spec/ruby/core/thread/run_spec.rb
index 2472269df8..f86f793489 100644
--- a/spec/ruby/core/thread/run_spec.rb
+++ b/spec/ruby/core/thread/run_spec.rb
@@ -6,4 +6,3 @@ require_relative 'shared/wakeup'
 describe "Thread#run" do
   it_behaves_like :thread_wakeup, :run
 end
-
diff --git a/spec/ruby/core/time/_dump_spec.rb b/spec/ruby/core/time/_dump_spec.rb
index 04afec0879..6941a1531f 100644
--- a/spec/ruby/core/time/_dump_spec.rb
+++ b/spec/ruby/core/time/_dump_spec.rb
@@ -53,4 +53,3 @@ describe "Time#_dump" do
     t.send(:_dump).should == "\364\001\031\200\313\000\020\004"
   end
 end
-
diff --git a/spec/ruby/core/tracepoint/callee_id_spec.rb b/spec/ruby/core/tracepoint/callee_id_spec.rb
index be441bdef0..39a7413648 100644
--- a/spec/ruby/core/tracepoint/callee_id_spec.rb
+++ b/spec/ruby/core/tracepoint/callee_id_spec.rb
@@ -17,4 +17,3 @@ ruby_version_is '2.4' do
     end
   end
 end
-
diff --git a/spec/ruby/language/fixtures/metaclass.rb b/spec/ruby/language/fixtures/metaclass.rb
index a1990b9225..a8f837e701 100644
--- a/spec/ruby/language/fixtures/metaclass.rb
+++ b/spec/ruby/language/fixtures/metaclass.rb
@@ -31,4 +31,3 @@ module MetaClassSpecs
   class D < C; end
 
 end
-
diff --git a/spec/ruby/library/bigdecimal/finite_spec.rb b/spec/ruby/library/bigdecimal/finite_spec.rb
index c7358b51a5..6685d589b6 100644
--- a/spec/ruby/library/bigdecimal/finite_spec.rb
+++ b/spec/ruby/library/bigdecimal/finite_spec.rb
@@ -32,4 +32,3 @@ describe "BigDecimal#finite?" do
     end
   end
 end
-
diff --git a/spec/ruby/library/bigdecimal/precs_spec.rb b/spec/ruby/library/bigdecimal/precs_spec.rb
index b9745c67dd..f9320f2b9e 100644
--- a/spec/ruby/library/bigdecimal/precs_spec.rb
+++ b/spec/ruby/library/bigdecimal/precs_spec.rb
@@ -46,4 +46,3 @@ describe "BigDecimal#precs" do
     end
   end
 end
-
diff --git a/spec/ruby/library/bigdecimal/quo_spec.rb b/spec/ruby/library/bigdecimal/quo_spec.rb
index 2034d9a0c2..a5c5651778 100644
--- a/spec/ruby/library/bigdecimal/quo_spec.rb
+++ b/spec/ruby/library/bigdecimal/quo_spec.rb
@@ -10,4 +10,3 @@ describe "BigDecimal#quo" do
     BigDecimal("NaN").quo(BigDecimal("1")).nan?.should == true
   end
 end
-
diff --git a/spec/ruby/library/bigdecimal/sign_spec.rb b/spec/ruby/library/bigdecimal/sign_spec.rb
index 719888dca1..ae2c28e9fd 100644
--- a/spec/ruby/library/bigdecimal/sign_spec.rb
+++ b/spec/ruby/library/bigdecimal/sign_spec.rb
@@ -44,4 +44,3 @@ describe "BigDecimal#sign" do
   end
 
 end
-
diff --git a/spec/ruby/library/bigdecimal/split_spec.rb b/spec/ruby/library/bigdecimal/split_spec.rb
index 108c135769..f9b4bab5f7 100644
--- a/spec/ruby/library/bigdecimal/split_spec.rb
+++ b/spec/ruby/library/bigdecimal/split_spec.rb
@@ -84,5 +84,3 @@ describe "BigDecimal#split" do
   end
 
 end
-
-
diff --git a/spec/ruby/library/bigdecimal/to_f_spec.rb b/spec/ruby/library/bigdecimal/to_f_spec.rb
index 5924bd554c..1cc25d5c40 100644
--- a/spec/ruby/library/bigdecimal/to_f_spec.rb
+++ b/spec/ruby/library/bigdecimal/to_f_spec.rb
@@ -52,4 +52,3 @@ describe "BigDecimal#to_f" do
     @zero_neg.to_f.to_s.should == "-0.0"
   end
 end
-
diff --git a/spec/ruby/library/bigdecimal/to_s_spec.rb b/spec/ruby/library/bigdecimal/to_s_spec.rb
index 86ae1e61f6..acc2e943f0 100644
--- a/spec/ruby/library/bigdecimal/to_s_spec.rb
+++ b/spec/ruby/library/bigdecimal/to_s_spec.rb
@@ -70,4 +70,3 @@ describe "BigDecimal#to_s" do
   end
 
 end
-
diff --git a/spec/ruby/library/bigdecimal/uplus_spec.rb b/spec/ruby/library/bigdecimal/uplus_spec.rb
index 6f287e57ce..77483046b7 100644
--- a/spec/ruby/library/bigdecimal/uplus_spec.rb
+++ b/spec/ruby/library/bigdecimal/uplus_spec.rb
@@ -15,6 +15,3 @@ describe "BigDecimal#+@" do
     fifth.send(:+@).should == fifth
   end
 end
-
-
-
diff --git a/spec/ruby/library/bigdecimal/zero_spec.rb b/spec/ruby/library/bigdecimal/zero_spec.rb
index 2240897a3b..c5d3acb8c3 100644
--- a/spec/ruby/library/bigdecimal/zero_spec.rb
+++ b/spec/ruby/library/bigdecimal/zero_spec.rb
@@ -25,4 +25,3 @@ describe "BigDecimal#zero?" do
   end
 
 end
-
diff --git a/spec/ruby/library/date/commercial_spec.rb b/spec/ruby/library/date/commercial_spec.rb
index dcb28706e2..d7fc34d74a 100644
--- a/spec/ruby/library/date/commercial_spec.rb
+++ b/spec/ruby/library/date/commercial_spec.rb
@@ -15,4 +15,3 @@ end
 #  17  18  19  20  21  22  23
 #  24  25  26  27  28  29  30
 #  31
-
diff --git a/spec/ruby/library/date/gregorian_leap_spec.rb b/spec/ruby/library/date/gregorian_leap_spec.rb
index f758cd0c64..c3d25cf90f 100644
--- a/spec/ruby/library/date/gregorian_leap_spec.rb
+++ b/spec/ruby/library/date/gregorian_leap_spec.rb
@@ -13,4 +13,3 @@ describe "Date#gregorian_leap?" do
     Date.gregorian_leap?(2002).should be_false
   end
 end
-
diff --git a/spec/ruby/library/date/ordinal_spec.rb b/spec/ruby/library/date/ordinal_spec.rb
index 3177f3ae94..ec490fd49c 100644
--- a/spec/ruby/library/date/ordinal_spec.rb
+++ b/spec/ruby/library/date/ordinal_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/ordinal'
 describe "Date.ordinal" do
   it_behaves_like :date_ordinal, :ordinal
 end
-
diff --git a/spec/ruby/library/date/valid_civil_spec.rb b/spec/ruby/library/date/valid_civil_spec.rb
index 13646acebc..00f2c57205 100644
--- a/spec/ruby/library/date/valid_civil_spec.rb
+++ b/spec/ruby/library/date/valid_civil_spec.rb
@@ -7,4 +7,3 @@ describe "Date#valid_civil?" do
   it_behaves_like :date_valid_civil?, :valid_civil?
 
 end
-
diff --git a/spec/ruby/library/date/valid_commercial_spec.rb b/spec/ruby/library/date/valid_commercial_spec.rb
index 8e33f81cbc..7e96782b6b 100644
--- a/spec/ruby/library/date/valid_commercial_spec.rb
+++ b/spec/ruby/library/date/valid_commercial_spec.rb
@@ -6,5 +6,3 @@ describe "Date#valid_commercial?" do
 
   it_behaves_like :date_valid_commercial?, :valid_commercial?
 end
-
-
diff --git a/spec/ruby/library/date/valid_jd_spec.rb b/spec/ruby/library/date/valid_jd_spec.rb
index 6ab128b2cb..aecaaabcf4 100644
--- a/spec/ruby/library/date/valid_jd_spec.rb
+++ b/spec/ruby/library/date/valid_jd_spec.rb
@@ -7,4 +7,3 @@ describe "Date.valid_jd?" do
   it_behaves_like :date_valid_jd?, :valid_jd?
 
 end
-
diff --git a/spec/ruby/library/date/valid_ordinal_spec.rb b/spec/ruby/library/date/valid_ordinal_spec.rb
index e1374504e4..58d548c704 100644
--- a/spec/ruby/library/date/valid_ordinal_spec.rb
+++ b/spec/ruby/library/date/valid_ordinal_spec.rb
@@ -7,4 +7,3 @@ describe "Date.valid_ordinal?" do
   it_behaves_like :date_valid_ordinal?, :valid_ordinal?
 
 end
-
diff --git a/spec/ruby/library/digest/md5/block_length_spec.rb b/spec/ruby/library/digest/md5/block_length_spec.rb
index 1f64859747..14fb050abd 100644
--- a/spec/ruby/library/digest/md5/block_length_spec.rb
+++ b/spec/ruby/library/digest/md5/block_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::MD5#block_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/md5/digest_length_spec.rb b/spec/ruby/library/digest/md5/digest_length_spec.rb
index 4d87716707..47e071e329 100644
--- a/spec/ruby/library/digest/md5/digest_length_spec.rb
+++ b/spec/ruby/library/digest/md5/digest_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::MD5#digest_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/md5/equal_spec.rb b/spec/ruby/library/digest/md5/equal_spec.rb
index 48b19cc7db..b0e36564cd 100644
--- a/spec/ruby/library/digest/md5/equal_spec.rb
+++ b/spec/ruby/library/digest/md5/equal_spec.rb
@@ -35,4 +35,3 @@ describe "Digest::MD5#==" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/md5/inspect_spec.rb b/spec/ruby/library/digest/md5/inspect_spec.rb
index 37cfef7903..decc86fba5 100644
--- a/spec/ruby/library/digest/md5/inspect_spec.rb
+++ b/spec/ruby/library/digest/md5/inspect_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::MD5#inspect" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/md5/length_spec.rb b/spec/ruby/library/digest/md5/length_spec.rb
index cc63102306..b05b2a20fd 100644
--- a/spec/ruby/library/digest/md5/length_spec.rb
+++ b/spec/ruby/library/digest/md5/length_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::MD5#length" do
   it_behaves_like :md5_length, :length
 end
-
diff --git a/spec/ruby/library/digest/md5/reset_spec.rb b/spec/ruby/library/digest/md5/reset_spec.rb
index 67f96650a3..c937844f38 100644
--- a/spec/ruby/library/digest/md5/reset_spec.rb
+++ b/spec/ruby/library/digest/md5/reset_spec.rb
@@ -12,4 +12,3 @@ describe "Digest::MD5#reset" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/md5/size_spec.rb b/spec/ruby/library/digest/md5/size_spec.rb
index 1f5f501d01..22e3272d36 100644
--- a/spec/ruby/library/digest/md5/size_spec.rb
+++ b/spec/ruby/library/digest/md5/size_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::MD5#size" do
   it_behaves_like :md5_length, :size
 end
-
diff --git a/spec/ruby/library/digest/sha256/block_length_spec.rb b/spec/ruby/library/digest/sha256/block_length_spec.rb
index e5298bf810..1e29e832cf 100644
--- a/spec/ruby/library/digest/sha256/block_length_spec.rb
+++ b/spec/ruby/library/digest/sha256/block_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA256#block_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha256/digest_length_spec.rb b/spec/ruby/library/digest/sha256/digest_length_spec.rb
index e24b57dccf..b5c8958e84 100644
--- a/spec/ruby/library/digest/sha256/digest_length_spec.rb
+++ b/spec/ruby/library/digest/sha256/digest_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA256#digest_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha256/equal_spec.rb b/spec/ruby/library/digest/sha256/equal_spec.rb
index 4b587d16e0..84662aa068 100644
--- a/spec/ruby/library/digest/sha256/equal_spec.rb
+++ b/spec/ruby/library/digest/sha256/equal_spec.rb
@@ -34,4 +34,3 @@ describe "Digest::SHA256#==" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha256/inspect_spec.rb b/spec/ruby/library/digest/sha256/inspect_spec.rb
index 3c50706f15..ed606e4517 100644
--- a/spec/ruby/library/digest/sha256/inspect_spec.rb
+++ b/spec/ruby/library/digest/sha256/inspect_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA256#inspect" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha256/length_spec.rb b/spec/ruby/library/digest/sha256/length_spec.rb
index 100715f361..181ac564ad 100644
--- a/spec/ruby/library/digest/sha256/length_spec.rb
+++ b/spec/ruby/library/digest/sha256/length_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::SHA256#length" do
   it_behaves_like :sha256_length, :length
 end
-
diff --git a/spec/ruby/library/digest/sha256/reset_spec.rb b/spec/ruby/library/digest/sha256/reset_spec.rb
index da065c8fb6..f0eb4faea6 100644
--- a/spec/ruby/library/digest/sha256/reset_spec.rb
+++ b/spec/ruby/library/digest/sha256/reset_spec.rb
@@ -12,4 +12,3 @@ describe "Digest::SHA256#reset" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha256/size_spec.rb b/spec/ruby/library/digest/sha256/size_spec.rb
index 0bfbf13aee..1028263342 100644
--- a/spec/ruby/library/digest/sha256/size_spec.rb
+++ b/spec/ruby/library/digest/sha256/size_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::SHA256#size" do
   it_behaves_like :sha256_length, :size
 end
-
diff --git a/spec/ruby/library/digest/sha384/block_length_spec.rb b/spec/ruby/library/digest/sha384/block_length_spec.rb
index a257825966..dff645ffb9 100644
--- a/spec/ruby/library/digest/sha384/block_length_spec.rb
+++ b/spec/ruby/library/digest/sha384/block_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA384#block_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha384/digest_length_spec.rb b/spec/ruby/library/digest/sha384/digest_length_spec.rb
index be0f041f6a..4067dd34af 100644
--- a/spec/ruby/library/digest/sha384/digest_length_spec.rb
+++ b/spec/ruby/library/digest/sha384/digest_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA384#digest_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha384/equal_spec.rb b/spec/ruby/library/digest/sha384/equal_spec.rb
index 1c18f48923..5d3483d79a 100644
--- a/spec/ruby/library/digest/sha384/equal_spec.rb
+++ b/spec/ruby/library/digest/sha384/equal_spec.rb
@@ -34,4 +34,3 @@ describe "Digest::SHA384#==" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha384/inspect_spec.rb b/spec/ruby/library/digest/sha384/inspect_spec.rb
index cf44d31bde..8f9f946cc5 100644
--- a/spec/ruby/library/digest/sha384/inspect_spec.rb
+++ b/spec/ruby/library/digest/sha384/inspect_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA384#inspect" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha384/length_spec.rb b/spec/ruby/library/digest/sha384/length_spec.rb
index c1dfd10a89..33fed492ef 100644
--- a/spec/ruby/library/digest/sha384/length_spec.rb
+++ b/spec/ruby/library/digest/sha384/length_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::SHA384#length" do
   it_behaves_like :sha384_length, :length
 end
-
diff --git a/spec/ruby/library/digest/sha384/reset_spec.rb b/spec/ruby/library/digest/sha384/reset_spec.rb
index 37eb6911a6..991b90903d 100644
--- a/spec/ruby/library/digest/sha384/reset_spec.rb
+++ b/spec/ruby/library/digest/sha384/reset_spec.rb
@@ -12,4 +12,3 @@ describe "Digest::SHA384#reset" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha384/size_spec.rb b/spec/ruby/library/digest/sha384/size_spec.rb
index c8811dfa43..4c3b14f7a0 100644
--- a/spec/ruby/library/digest/sha384/size_spec.rb
+++ b/spec/ruby/library/digest/sha384/size_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::SHA384#size" do
   it_behaves_like :sha384_length, :size
 end
-
diff --git a/spec/ruby/library/digest/sha512/block_length_spec.rb b/spec/ruby/library/digest/sha512/block_length_spec.rb
index c71d0d5b50..947af841dd 100644
--- a/spec/ruby/library/digest/sha512/block_length_spec.rb
+++ b/spec/ruby/library/digest/sha512/block_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA512#block_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha512/digest_length_spec.rb b/spec/ruby/library/digest/sha512/digest_length_spec.rb
index 18ac66a8bd..ff5956dd75 100644
--- a/spec/ruby/library/digest/sha512/digest_length_spec.rb
+++ b/spec/ruby/library/digest/sha512/digest_length_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA512#digest_length" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha512/equal_spec.rb b/spec/ruby/library/digest/sha512/equal_spec.rb
index 6c9502c962..5100ced6e8 100644
--- a/spec/ruby/library/digest/sha512/equal_spec.rb
+++ b/spec/ruby/library/digest/sha512/equal_spec.rb
@@ -34,4 +34,3 @@ describe "Digest::SHA512#==" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha512/inspect_spec.rb b/spec/ruby/library/digest/sha512/inspect_spec.rb
index 324b8d8914..54a466043a 100644
--- a/spec/ruby/library/digest/sha512/inspect_spec.rb
+++ b/spec/ruby/library/digest/sha512/inspect_spec.rb
@@ -9,4 +9,3 @@ describe "Digest::SHA512#inspect" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha512/length_spec.rb b/spec/ruby/library/digest/sha512/length_spec.rb
index 028cf21177..e9fde90577 100644
--- a/spec/ruby/library/digest/sha512/length_spec.rb
+++ b/spec/ruby/library/digest/sha512/length_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::SHA512#length" do
   it_behaves_like :sha512_length, :length
 end
-
diff --git a/spec/ruby/library/digest/sha512/reset_spec.rb b/spec/ruby/library/digest/sha512/reset_spec.rb
index bfe02066f9..24a936d4ba 100644
--- a/spec/ruby/library/digest/sha512/reset_spec.rb
+++ b/spec/ruby/library/digest/sha512/reset_spec.rb
@@ -12,4 +12,3 @@ describe "Digest::SHA512#reset" do
   end
 
 end
-
diff --git a/spec/ruby/library/digest/sha512/size_spec.rb b/spec/ruby/library/digest/sha512/size_spec.rb
index ff72aa5b5d..6d0acdabdb 100644
--- a/spec/ruby/library/digest/sha512/size_spec.rb
+++ b/spec/ruby/library/digest/sha512/size_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/length'
 describe "Digest::SHA512#size" do
   it_behaves_like :sha512_length, :size
 end
-
diff --git a/spec/ruby/library/erb/run_spec.rb b/spec/ruby/library/erb/run_spec.rb
index 4ee2c5210a..c4b82b155e 100644
--- a/spec/ruby/library/erb/run_spec.rb
+++ b/spec/ruby/library/erb/run_spec.rb
@@ -94,4 +94,3 @@ END
     }.should raise_error(NameError)
   end
 end
-
diff --git a/spec/ruby/library/erb/util/html_escape_spec.rb b/spec/ruby/library/erb/util/html_escape_spec.rb
index c4dc8dd397..1c15fb8791 100644
--- a/spec/ruby/library/erb/util/html_escape_spec.rb
+++ b/spec/ruby/library/erb/util/html_escape_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/html_escape'
 describe "ERB::Util.html_escape" do
   it_behaves_like :erb_util_html_escape, :html_escape
 end
-
diff --git a/spec/ruby/library/erb/util/u_spec.rb b/spec/ruby/library/erb/util/u_spec.rb
index 437829d74a..2a08451031 100644
--- a/spec/ruby/library/erb/util/u_spec.rb
+++ b/spec/ruby/library/erb/util/u_spec.rb
@@ -5,4 +5,3 @@ require_relative 'shared/url_encode'
 describe "ERB::Util.u" do
   it_behaves_like :erb_util_url_encode, :u
 end
-
diff --git a/spec/ruby/library/ipaddr/ipv4_conversion_spec.rb b/spec/ruby/library/ipaddr/ipv4_conversion_spec.rb
index 61f5fa3e81..9d45055d76 100644
--- a/spec/ruby/library/ipaddr/ipv4_conversion_spec.rb
+++ b/spec/ruby/library/ipaddr/ipv4_conversion_spec.rb
@@ -42,5 +42,3 @@ describe "IPAddr#ipv4_mapped" do
   end
 
 end
-
-
diff --git a/spec/ruby/library/net/http/http/head2_spec.rb b/spec/ruby/library/net/http/http/head2_spec.rb
index c8bd987eef..606798e4af 100644
--- a/spec/ruby/library/net/http/http/head2_spec.rb
+++ b/spec/ruby/library/net/http/http/head2_spec.rb
@@ -6,4 +6,3 @@ require_relative 'shared/request_head'
 describe "Net::HTTP#head2" do
   it_behaves_like :net_ftp_request_head, :head2
 end
-
diff --git a/spec/ruby/library/net/http/http/post_spec.rb b/spec/ruby/library/net/http/http/post_spec.rb
index d6c9154a35..c8d41b9617 100644
--- a/spec/ruby/library/net/http/http/post_spec.rb
+++ b/spec/ruby/library/net/http/http/post_spec.rb
@@ -74,4 +74,3 @@ describe "Net::HTTP#post" do
     end
   end
 end
-
diff --git a/spec/ruby/library/net/http/httpheader/each_capitalized_spec.rb b/spec/ruby/library/net/http/httpheader/each_capitalized_spec.rb
index 49298210bb..961a2d051f 100644
--- a/spec/ruby/library/net/http/httpheader/each_capitalized_spec.rb
+++ b/spec/ruby/library/net/http/httpheader/each_capitalized_spec.rb
@@ -6,4 +6,3 @@ require_relative 'shared/each_capitalized'
 describe "Net::HTTPHeader#each_capitalized" do
   it_behaves_like :net_httpheader_each_capitalized, :each_capitalized
 end
-
diff --git a/spec/ruby/library/net/http/httpresponse/read_body_spec.rb b/spec/ruby/library/net/http/httpresponse/read_body_spec.rb
index f1fc0f519b..500155eb5b 100644
--- a/spec/ruby/library/net/http/httpresponse/read_body_spec.rb
+++ b/spec/ruby/library/net/http/httpresponse/read_body_spec.rb
@@ -83,4 +83,3 @@ describe "Net::HTTPResponse#read_body" do
     end
   end
 end
-
diff --git a/spec/ruby/library/pathname/absolute_spec.rb b/spec/ruby/library/pathname/absolute_spec.rb
index a754505765..dce3ae72ee 100644
--- a/spec/ruby/library/pathname/absolute_spec.rb
+++ b/spec/ruby/library/pathname/absolute_spec.rb
@@ -20,4 +20,3 @@ describe "Pathname#absolute?" do
   end
 
 end
-
diff --git a/spec/ruby/library/pathname/equal_value_spec.rb b/spec/ruby/library/pathname/equal_value_spec.rb
index 84e8d8f7ef..92d4767e76 100644
--- a/spec/ruby/library/pathname/equal_value_spec.rb
+++ b/spec/ruby/library/pathname/equal_value_spec.rb
@@ -12,4 +12,3 @@ describe "Pathname#==" do
   end
 
 end
-
diff --git a/spec/ruby/library/pathname/hash_spec.rb b/spec/ruby/library/pathname/hash_spec.rb
index a0bfe811f6..da1b8f4f76 100644
--- a/spec/ruby/library/pathname/hash_spec.rb
+++ b/spec/ruby/library/pathname/hash_spec.rb
@@ -12,4 +12,3 @@ describe "Pathname#hash" do
   end
 
 end
-
diff --git a/spec/ruby/library/pathname/parent_spec.rb b/spec/ruby/library/pathname/parent_spec.rb
index 5804f88dd0..3843bb22ed 100644
--- a/spec/ruby/library/pathname/parent_spec.rb
+++ b/spec/ruby/library/pathname/parent_spec.rb
@@ -16,4 +16,3 @@ describe "Pathname#parent" do
   end
 
 end
-
diff --git a/spec/ruby/library/pathname/relative_spec.rb b/spec/ruby/library/pathname/relative_spec.rb
index f3976fcf0d..1a08891e6c 100644
--- a/spec/ruby/library/pathname/relative_spec.rb
+++ b/spec/ruby/library/pathname/relative_spec.rb
@@ -20,4 +20,3 @@ describe "Pathname#relative?" do
   end
 
 end
-
diff --git a/spec/ruby/library/pathname/root_spec.rb b/spec/ruby/library/pathname/root_spec.rb
index d1c2dbb6ff..5fec0ee956 100644
--- a/spec/ruby/library/pathname/root_spec.rb
+++ b/spec/ruby/library/pathname/root_spec.rb
@@ -24,4 +24,3 @@ describe "Pathname#root?" do
   end
 
 end
-
diff --git a/spec/ruby/library/pathname/sub_spec.rb b/spec/ruby/library/pathname/sub_spec.rb
index 2fb274e790..ad2900f62b 100644
--- a/spec/ruby/library/pathname/sub_spec.rb
+++ b/spec/ruby/library/pathname/sub_spec.rb
@@ -13,4 +13,3 @@ describe "Pathname#sub" do
   end
 
 end
-
diff --git a/spec/ruby/library/rbconfig/rbconfig_spec.rb b/spec/ruby/library/rbconfig/rbconfig_spec.rb
new file mode 100644
index 0000000000..caa557c32c
--- /dev/null
+++ b/spec/ruby/library/rbconfig/rbconfig_spec.rb
@@ -0,0 +1,11 @@
+require_relative '../../spec_helper'
+require 'rbconfig'
+
+describe 'RbConfig::CONFIG values' do
+  it 'are all strings' do
+    RbConfig::CONFIG.each do |k, v|
+      k.should be_kind_of String
+      v.should be_kind_of String
+    end
+  end
+end
diff --git a/spec/ruby/library/rexml/attribute/inspect_spec.rb b/spec/ruby/library/rexml/attribute/inspect_spec.rb
index 9ab3757db8..86a437ec74 100644
--- a/spec/ruby/library/rexml/attribute/inspect_spec.rb
+++ b/spec/ruby/library/rexml/attribute/inspect_spec.rb
@@ -17,4 +17,3 @@ describe "REXML::Attribute#inspect" do
     a.inspect.should == "&&='<>'"
   end
 end
-
diff --git a/spec/ruby/library/rexml/attribute/to_string_spec.rb b/spec/ruby/library/rexml/attribute/to_string_spec.rb
index eb93cf9969..420913afeb 100644
--- a/spec/ruby/library/rexml/attribute/to_string_spec.rb
+++ b/spec/ruby/library/rexml/attribute/to_string_spec.rb
@@ -12,4 +12,3 @@ describe "REXML::Attribute#to_string" do
     attr_ns.to_string.should == "xmlns:ns='http://uri'"
   end
 end
-
diff --git a/spec/ruby/library/rexml/attribute/value_spec.rb b/spec/ruby/library/rexml/attribute/value_spec.rb
index 8c8c1a2a0d..7763976881 100644
--- a/spec/ruby/library/rexml/attribute/value_spec.rb
+++ b/spec/ruby/library/rexml/attribute/value_spec.rb
@@ -12,4 +12,3 @@ describe "REXML::Attribute#value" do
     attr_empty.value.should == ""
   end
 end
-
diff --git a/spec/ruby/library/rexml/attribute/xpath_spec.rb b/spec/ruby/library/rexml/attribute/xpath_spec.rb
index 2cb44f7548..beefb036cc 100644
--- a/spec/ruby/library/rexml/attribute/xpath_spec.rb
+++ b/spec/ruby/library/rexml/attribute/xpath_spec.rb
@@ -17,4 +17,3 @@ describe "REXML::Attribute#xpath" do
     lambda { @attr.xpath }.should raise_error(Exception)
   end
 end
-
diff --git a/spec/ruby/library/rexml/attributes/each_attribute_spec.rb b/spec/ruby/library/rexml/attributes/each_attribute_spec.rb
index c71e3c3971..e84c8dbf51 100644
--- a/spec/ruby/library/rexml/attributes/each_attribute_spec.rb
+++ b/spec/ruby/library/rexml/attributes/each_attribute_spec.rb
@@ -20,6 +20,3 @@ describe "REXML::Attributes#each_attribute" do
     attributes.last.should == ns_uri
   end
 end
-
-
-
diff --git a/spec/ruby/library/rexml/attributes/each_spec.rb b/spec/ruby/library/rexml/attributes/each_spec.rb
index 49c02a3255..ed60634b90 100644
--- a/spec/ruby/library/rexml/attributes/each_spec.rb
+++ b/spec/ruby/library/rexml/attributes/each_spec.rb
@@ -21,5 +21,3 @@ describe "REXML::Attributes#each" do
     attributes.last.should == ["xmlns:ns", "http://some_uri"]
   end
 end
-
-
diff --git a/spec/ruby/library/rexml/attributes/element_reference_spec.rb b/spec/ruby/library/rexml/attributes/element_reference_spec.rb
index a961935fad..dac7952669 100644
--- a/spec/ruby/library/rexml/attributes/element_reference_spec.rb
+++ b/spec/ruby/library/rexml/attributes/element_reference_spec.rb
@@ -16,4 +16,3 @@ describe "REXML::Attributes#[]" do
     @e.attributes["chunky bacon"].should == nil
   end
 end
-
diff --git a/spec/ruby/library/rexml/attributes/element_set_spec.rb b/spec/ruby/library/rexml/attributes/element_set_spec.rb
index 0e19fda64f..1ed94dd2a1 100644
--- a/spec/ruby/library/rexml/attributes/element_set_spec.rb
+++ b/spec/ruby/library/rexml/attributes/element_set_spec.rb
@@ -23,4 +23,3 @@ describe "REXML::Attributes#[]=" do
     @e.attributes.length.should == 0
   end
 end
-
diff --git a/spec/ruby/library/rexml/attributes/to_a_spec.rb b/spec/ruby/library/rexml/attributes/to_a_spec.rb
index 7fb2326dab..1fbf71b683 100644
--- a/spec/ruby/library/rexml/attributes/to_a_spec.rb
+++ b/spec/ruby/library/rexml/attributes/to_a_spec.rb
@@ -17,4 +17,3 @@ describe "REXML::Attributes#to_a" do
     REXML::Element.new("root").attributes.to_a.should == []
   end
 end
-
diff --git a/spec/ruby/library/rexml/element/add_namespace_spec.rb b/spec/ruby/library/rexml/element/add_namespace_spec.rb
index 0aaf790de9..77c00eec46 100644
--- a/spec/ruby/library/rexml/element/add_namespace_spec.rb
+++ b/spec/ruby/library/rexml/element/add_namespace_spec.rb
@@ -21,4 +21,3 @@ describe "REXML::Element#add_namespace" do
     @elem.namespace.should == "some_uri"
   end
 end
-
diff --git a/spec/ruby/library/rexml/element/document_spec.rb b/spec/ruby/library/rexml/element/document_spec.rb
index 16db64eeb7..24773580f2 100644
--- a/spec/ruby/library/rexml/element/document_spec.rb
+++ b/spec/ruby/library/rexml/element/document_spec.rb
@@ -14,5 +14,3 @@ describe "REXML::Element#document" do
     REXML::Element.new("standalone").document.should be_nil
   end
 end
-
-
diff --git a/spec/ruby/library/rexml/node/parent_spec.rb b/spec/ruby/library/rexml/node/parent_spec.rb
index a2fe48390f..d88ba69657 100644
--- a/spec/ruby/library/rexml/node/parent_spec.rb
+++ b/spec/ruby/library/rexml/node/parent_spec.rb
@@ -18,4 +18,3 @@ describe "REXML::Node#parent?" do
     e.parent?.should == false
   end
 end
-
diff --git a/spec/ruby/library/rexml/text/indent_text_spec.rb b/spec/ruby/library/rexml/text/indent_text_spec.rb
index af0954b7a2..1b0ee5ab16 100644
--- a/spec/ruby/library/rexml/text/indent_text_spec.rb
+++ b/spec/ruby/library/rexml/text/indent_text_spec.rb
@@ -21,4 +21,3 @@ describe "REXML::Text#indent_text" do
     @t.indent_text("foo", 1, "\t", false).should == "foo"
   end
 end
-
diff --git a/spec/ruby/library/rexml/text/new_spec.rb b/spec/ruby/library/rexml/text/new_spec.rb
index c069559a19..a1fdcddf28 100644
--- a/spec/ruby/library/rexml/text/new_spec.rb
+++ b/spec/ruby/library/rexml/text/new_spec.rb
@@ -46,4 +46,3 @@ describe "REXML::Text.new" do
     t.should == "&lt;&amp;&gt;"
   end
 end
-
diff --git a/spec/ruby/library/rexml/text/read_with_substitution_spec.rb b/spec/ruby/library/rexml/text/read_with_substitution_spec.rb
index c84778d8c4..a9b4d30bc5 100644
--- a/spec/ruby/library/rexml/text/read_with_substitution_spec.rb
+++ b/spec/ruby/library/rexml/text/read_with_substitution_spec.rb
@@ -10,4 +10,3 @@ describe "REXML::Text.read_with_substitution" do
     lambda {REXML::Text.read_with_substitution("this is illegal", /illegal/)}.should raise_error(Exception)
   end
 end
-
diff --git a/spec/ruby/library/rexml/text/to_s_spec.rb b/spec/ruby/library/rexml/text/to_s_spec.rb
index 2ee9dd0ec7..14d7399a60 100644
--- a/spec/ruby/library/rexml/text/to_s_spec.rb
+++ b/spec/ruby/library/rexml/text/to_s_spec.rb
@@ -15,4 +15,3 @@ describe "REXML::Text#to_s" do
     t.to_s.should == "&amp; &lt; &gt;"
   end
 end
-
diff --git a/spec/ruby/library/rexml/text/wrap_spec.rb b/spec/ruby/library/rexml/text/wrap_spec.rb
index d958561634..0b60fd4151 100644
--- a/spec/ruby/library/rexml/text/wrap_spec.rb
+++ b/spec/ruby/library/rexml/text/wrap_spec.rb
@@ -18,4 +18,3 @@ describe "REXML::Text#wrap" do
     @t.wrap("abc def", 3, true).should == "\nabc\ndef"
   end
 end
-
diff --git a/spec/ruby/library/set/case_compare_spec.rb b/spec/ruby/library/set/case_compare_spec.rb
index 31a0e5676a..193006dbda 100644
--- a/spec/ruby/library/set/case_compare_spec.rb
+++ b/spec/ruby/library/set/case_compare_spec.rb
@@ -12,4 +12,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-
diff --git a/spec/ruby/library/socket/socket/getaddrinfo_spec.rb b/spec/ruby/library/socket/socket/getaddrinfo_spec.rb
index 8eee1d75e7..64183b38d0 100644
--- a/spec/ruby/library/socket/socket/getaddrinfo_spec.rb
+++ b/spec/ruby/library/socket/socket/getaddrinfo_spec.rb
@@ -92,7 +92,7 @@ describe "Socket#getaddrinfo" do
         ["AF_INET6", 9, "::", "::", Socket::AF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
         ["AF_INET6", 9, "0:0:0:0:0:0:0:0", "0:0:0:0:0:0:0:0", Socket::AF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP]
       ]
-      res.each { |a| expected.should include (a) }
+      res.each { |a| expected.should include(a) }
     end
 
     it "accepts empty addresses for IPv6 non-passive sockets" do
diff --git a/spec/ruby/library/stringio/each_codepoint_spec.rb b/spec/ruby/library/stringio/each_codepoint_spec.rb
index c2eec90581..85aa34d9d8 100644
--- a/spec/ruby/library/stringio/each_codepoint_spec.rb
+++ b/spec/ruby/library/stringio/each_codepoint_spec.rb
@@ -7,4 +7,3 @@ require_relative 'shared/codepoints'
 describe "StringIO#each_codepoint" do
   it_behaves_like :stringio_codepoints, :codepoints
 end
-
diff --git a/spec/ruby/library/stringio/open_spec.rb b/spec/ruby/library/stringio/open_spec.rb
index be24b06a82..f8f3feabee 100644
--- a/spec/ruby/library/stringio/open_spec.rb
+++ b/spec/ruby/library/stringio/open_spec.rb
@@ -205,4 +205,3 @@ describe "StringIO.open when passed no arguments" do
     StringIO.open.string.should == ""
   end
 end
-
diff --git a/spec/ruby/library/stringio/printf_spec.rb b/spec/ruby/library/stringio/printf_spec.rb
index 42fa98d395..3978896621 100644
--- a/spec/ruby/library/stringio/printf_spec.rb
+++ b/spec/ruby/library/stringio/printf_spec.rb
@@ -68,4 +68,3 @@ describe "StringIO#printf when self is not writable" do
     lambda { io.printf("test") }.should raise_error(IOError)
   end
 end
-
diff --git a/spec/ruby/library/stringio/stringio_spec.rb b/spec/ruby/library/stringio/stringio_spec.rb
index c32dc6c5a2..5ef42b3390 100644
--- a/spec/ruby/library/stringio/stringio_spec.rb
+++ b/spec/ruby/library/stringio/stringio_spec.rb
@@ -6,4 +6,3 @@ describe "StringIO" do
     StringIO.should include(Enumerable)
   end
 end
-
diff --git a/spec/ruby/library/stringscanner/element_reference_spec.rb b/spec/ruby/library/stringscanner/element_reference_spec.rb
index 351dfbc59a..c3fab16bbc 100644
--- a/spec/ruby/library/stringscanner/element_reference_spec.rb
+++ b/spec/ruby/library/stringscanner/element_reference_spec.rb
@@ -58,4 +58,3 @@ describe "StringScanner#[]" do
     @s[:day].should == "13"
   end
 end
-
diff --git a/spec/ruby/library/stringscanner/peek_spec.rb b/spec/ruby/library/stringscanner/peek_spec.rb
index 39366e0c21..cbb5630ff9 100644
--- a/spec/ruby/library/stringscanner/peek_spec.rb
+++ b/spec/ruby/library/stringscanner/peek_spec.rb
@@ -5,4 +5,3 @@ require 'strscan'
 describe "StringScanner#peek" do
   it_behaves_like :strscan_peek, :peek
 end
-
diff --git a/spec/ruby/library/tempfile/open_spec.rb b/spec/ruby/library/tempfile/open_spec.rb
index f9ebdce458..062d1a3fc2 100644
--- a/spec/ruby/library/tempfile/open_spec.rb
+++ b/spec/ruby/library/tempfile/open_spec.rb
@@ -79,4 +79,3 @@ describe "Tempfile.open when passed a block" do
     @tempfile.closed?.should be_true
   end
 end
-
diff --git a/spec/ruby/library/uri/set_component_spec.rb b/spec/ruby/library/uri/set_component_spec.rb
index 38da49dbd7..71ed6af278 100644
--- a/spec/ruby/library/uri/set_component_spec.rb
+++ b/spec/ruby/library/uri/set_component_spec.rb
@@ -43,5 +43,3 @@ describe "URI#select" do
     lambda { uri.query = 'bar' }.should raise_error(URI::InvalidURIError)
   end
 end
-
-
diff --git a/spec/ruby/library/zlib/deflate/set_dictionary_spec.rb b/spec/ruby/library/zlib/deflate/set_dictionary_spec.rb
index 53ee4a2ae4..0e461229c7 100644
--- a/spec/ruby/library/zlib/deflate/set_dictionary_spec.rb
+++ b/spec/ruby/library/zlib/deflate/set_dictionary_spec.rb
@@ -12,4 +12,3 @@ describe "Zlib::Deflate#set_dictionary" do
                         2, 0, 21, 134, 3, 248].pack('C*')
   end
 end
-
diff --git a/spec/ruby/library/zlib/gzipfile/close_spec.rb b/spec/ruby/library/zlib/gzipfile/close_spec.rb
index e26f79d004..27eb34cdd9 100644
--- a/spec/ruby/library/zlib/gzipfile/close_spec.rb
+++ b/spec/ruby/library/zlib/gzipfile/close_spec.rb
@@ -19,4 +19,3 @@ describe "Zlib::GzipFile#close" do
     io.string[10..-1].should == ([3] + Array.new(9,0)).pack('C*')
   end
 end
-
diff --git a/spec/ruby/library/zlib/gzipfile/closed_spec.rb b/spec/ruby/library/zlib/gzipfile/closed_spec.rb
index 8c5ef9a338..b885add485 100644
--- a/spec/ruby/library/zlib/gzipfile/closed_spec.rb
+++ b/spec/ruby/library/zlib/gzipfile/closed_spec.rb
@@ -14,4 +14,3 @@ describe "Zlib::GzipFile#closed?" do
     end
   end
 end
-
diff --git a/spec/ruby/library/zlib/gzipfile/comment_spec.rb b/spec/ruby/library/zlib/gzipfile/comment_spec.rb
index d4cf086792..7493f74f1c 100644
--- a/spec/ruby/library/zlib/gzipfile/comment_spec.rb
+++ b/spec/ruby/library/zlib/gzipfile/comment_spec.rb
@@ -24,4 +24,3 @@ describe "Zlib::GzipFile#comment" do
     end
   end
 end
-
diff --git a/spec/ruby/library/zlib/gzipfile/orig_name_spec.rb b/spec/ruby/library/zlib/gzipfile/orig_name_spec.rb
index a7a0990612..cae5305355 100644
--- a/spec/ruby/library/zlib/gzipfile/orig_name_spec.rb
+++ b/spec/ruby/library/zlib/gzipfile/orig_name_spec.rb
@@ -24,4 +24,3 @@ describe "Zlib::GzipFile#orig_name" do
     end
   end
 end
-
diff --git a/spec/ruby/library/zlib/gzipreader/pos_spec.rb b/spec/ruby/library/zlib/gzipreader/pos_spec.rb
index 9b508de468..df7c78ad8f 100644
--- a/spec/ruby/library/zlib/gzipreader/pos_spec.rb
+++ b/spec/ruby/library/zlib/gzipreader/pos_spec.rb
@@ -24,4 +24,3 @@ describe "GzipReader#pos" do
   end
 
 end
-
diff --git a/spec/ruby/library/zlib/inflate/set_dictionary_spec.rb b/spec/ruby/library/zlib/inflate/set_dictionary_spec.rb
index e5e347a6da..251cec44bb 100644
--- a/spec/ruby/library/zlib/inflate/set_dictionary_spec.rb
+++ b/spec/ruby/library/zlib/inflate/set_dictionary_spec.rb
@@ -18,4 +18,3 @@ describe "Zlib::Inflate#set_dictionary" do
     i.finish.should == 'abcdefghij'
   end
 end
-
diff --git a/spec/ruby/library/zlib/zstream/flush_next_out_spec.rb b/spec/ruby/library/zlib/zstream/flush_next_out_spec.rb
index f80d8287ce..59a0622903 100644
--- a/spec/ruby/library/zlib/zstream/flush_next_out_spec.rb
+++ b/spec/ruby/library/zlib/zstream/flush_next_out_spec.rb
@@ -12,5 +12,3 @@ describe "Zlib::ZStream#flush_next_out" do
     zs.flush_next_out.should == ''
   end
 end
-
-
diff --git a/spec/ruby/optional/capi/enumerator_spec.rb b/spec/ruby/optional/capi/enumerator_spec.rb
index 42510c122d..9ed68c9063 100644
--- a/spec/ruby/optional/capi/enumerator_spec.rb
+++ b/spec/ruby/optional/capi/enumerator_spec.rb
@@ -36,4 +36,31 @@ describe "C-API Enumerator function" do
       enumerator.each {}
     end
   end
+
+  describe "rb_enumeratorize_with_size" do
+
+    it "enumerates the given object" do
+      enumerator = @s.rb_enumeratorize_with_size(@enumerable, :each)
+      enumerated = []
+      enumerator.each { |i| enumerated << i }
+      enumerated.should == @enumerable
+    end
+
+    it "uses the given method for enumeration" do
+      enumerator = @s.rb_enumeratorize_with_size(@enumerable, :awesome_each)
+      @enumerable.should_receive(:awesome_each)
+      enumerator.each {}
+    end
+
+    it "passes the given arguments to the enumeration method" do
+      enumerator = @s.rb_enumeratorize_with_size(@enumerable, :each, :arg1, :arg2)
+      @enumerable.should_receive(:each).with(:arg1, :arg2)
+      enumerator.each {}
+    end
+
+    it "uses the size function to report the size" do
+      enumerator = @s.rb_enumeratorize_with_size(@enumerable, :each, :arg1, :arg2)
+      enumerator.size.should == 7
+    end
+  end
 end
diff --git a/spec/ruby/optional/capi/ext/enumerator_spec.c b/spec/ruby/optional/capi/ext/enumerator_spec.c
index 6b08feab52..d9e34afd96 100644
--- a/spec/ruby/optional/capi/ext/enumerator_spec.c
+++ b/spec/ruby/optional/capi/ext/enumerator_spec.c
@@ -13,6 +13,18 @@ VALUE enumerator_spec_rb_enumeratorize(int argc, VALUE *argv, VALUE self) {
 }
 #endif
 
+#ifdef HAVE_RB_ENUMERATORIZE_WITH_SIZE
+VALUE enumerator_spec_size_fn(VALUE obj, VALUE args, VALUE anEnum) {
+  return INT2NUM(7);
+}
+
+VALUE enumerator_spec_rb_enumeratorize_with_size(int argc, VALUE *argv, VALUE self) {
+  VALUE obj, meth, args;
+  rb_scan_args(argc, argv, "2*", &obj, &meth, &args);
+  return rb_enumeratorize_with_size(obj, meth, (int)RARRAY_LEN(args), RARRAY_PTR(args), enumerator_spec_size_fn);
+}
+#endif
+
 void Init_enumerator_spec(void) {
   VALUE cls;
   cls = rb_define_class("CApiEnumeratorSpecs", rb_cObject);
@@ -20,6 +32,9 @@ void Init_enumerator_spec(void) {
 #ifdef HAVE_RB_ENUMERATORIZE
   rb_define_method(cls, "rb_enumeratorize", enumerator_spec_rb_enumeratorize, -1);
 #endif
+#ifdef HAVE_RB_ENUMERATORIZE_WITH_SIZE
+  rb_define_method(cls, "rb_enumeratorize_with_size", enumerator_spec_rb_enumeratorize_with_size, -1);
+#endif
 }
 
 #ifdef __cplusplus
diff --git a/spec/ruby/optional/capi/ext/kernel_spec.c b/spec/ruby/optional/capi/ext/kernel_spec.c
index 226354e18a..c87ed5e8f2 100644
--- a/spec/ruby/optional/capi/ext/kernel_spec.c
+++ b/spec/ruby/optional/capi/ext/kernel_spec.c
@@ -65,6 +65,12 @@ VALUE kernel_spec_rb_block_call_no_func(VALUE self, VALUE ary) {
 
 #endif
 
+#ifdef HAVE_RB_FRAME_THIS_FUNC
+VALUE kernel_spec_rb_frame_this_func(VALUE self) {
+  return ID2SYM(rb_frame_this_func());
+}
+#endif
+
 #ifdef HAVE_RB_ENSURE
 VALUE kernel_spec_rb_ensure(VALUE self, VALUE main_proc, VALUE arg,
                             VALUE ensure_proc, VALUE arg2) {
@@ -350,6 +356,11 @@ void Init_kernel_spec(void) {
   rb_define_method(cls, "rb_block_proc", kernel_spec_rb_block_proc, 0);
 #endif
 
+#ifdef HAVE_RB_FRAME_THIS_FUNC
+  rb_define_method(cls, "rb_frame_this_func_test", kernel_spec_rb_frame_this_func, 0);
+  rb_define_method(cls, "rb_frame_this_func_test_again", kernel_spec_rb_frame_this_func, 0);
+#endif
+
 #ifdef HAVE_RB_ENSURE
   rb_define_method(cls, "rb_ensure", kernel_spec_rb_ensure, 4);
 #endif
diff --git a/spec/ruby/optional/capi/ext/rubyspec.h b/spec/ruby/optional/capi/ext/rubyspec.h
index 780c2ab20f..4f50450dfb 100644
--- a/spec/ruby/optional/capi/ext/rubyspec.h
+++ b/spec/ruby/optional/capi/ext/rubyspec.h
@@ -252,6 +252,7 @@
 
 /* Enumerable */
 #define HAVE_RB_ENUMERATORIZE              1
+#define HAVE_RB_ENUMERATORIZE_WITH_SIZE    1
 
 /* Exception */
 #define HAVE_RB_EXC_NEW                    1
@@ -348,6 +349,7 @@
 #define HAVE_RB_ENSURE                     1
 #define HAVE_RB_EVAL_STRING                1
 #define HAVE_RB_EXEC_RECURSIVE             1
+#define HAVE_RB_FRAME_THIS_FUNC             1
 #define HAVE_RB_F_SPRINTF                  1
 #define HAVE_RB_NEED_BLOCK                 1
 #define HAVE_RB_RAISE                      1
@@ -563,6 +565,7 @@
 #define HAVE_RB_VSPRINTF                   1
 #define HAVE_RB_STRING                     1
 #define HAVE_SAFE_STRING_VALUE             1
+#define HAVE_RB_STRING_VALUE_CSTR          1
 
 /* Struct */
 #define HAVE_RB_STRUCT_AREF                1
diff --git a/spec/ruby/optional/capi/ext/string_spec.c b/spec/ruby/optional/capi/ext/string_spec.c
index 1b9c11a149..a6ce02b25c 100644
--- a/spec/ruby/optional/capi/ext/string_spec.c
+++ b/spec/ruby/optional/capi/ext/string_spec.c
@@ -497,6 +497,13 @@ static VALUE string_spec_rb_String(VALUE self, VALUE val) {
 }
 #endif
 
+#ifdef HAVE_RB_STRING_VALUE_CSTR
+static VALUE string_spec_rb_string_value_cstr(VALUE self, VALUE str) {
+  char *c_str = rb_string_value_cstr(&str);
+  return c_str ? Qtrue : Qfalse;
+}
+#endif
+
 void Init_string_spec(void) {
   VALUE cls;
   cls = rb_define_class("CApiStringSpecs", rb_cObject);
@@ -733,8 +740,11 @@ void Init_string_spec(void) {
 #ifdef HAVE_RB_STRING
   rb_define_method(cls, "rb_String", string_spec_rb_String, 1);
 #endif
-}
 
+#ifdef HAVE_RB_STRING_VALUE_CSTR
+  rb_define_method(cls, "rb_string_value_cstr", string_spec_rb_string_value_cstr, 1);
+#endif
+}
 #ifdef __cplusplus
 }
 #endif
diff --git a/spec/ruby/optional/capi/kernel_spec.rb b/spec/ruby/optional/capi/kernel_spec.rb
index 3aa3c388fa..e50ae9c4e4 100644
--- a/spec/ruby/optional/capi/kernel_spec.rb
+++ b/spec/ruby/optional/capi/kernel_spec.rb
@@ -55,6 +55,13 @@ describe "C-API Kernel function" do
     end
   end
 
+  describe "rb_frame_this_func" do
+    it "returns the name of the method called" do
+      @s.rb_frame_this_func_test.should == :rb_frame_this_func_test
+      @s.rb_frame_this_func_test_again.should == :rb_frame_this_func_test_again
+    end
+  end
+
   describe "rb_raise" do
     it "raises an exception" do
       lambda { @s.rb_raise({}) }.should raise_error(TypeError)
diff --git a/spec/ruby/optional/capi/rake_helper.rb b/spec/ruby/optional/capi/rake_helper.rb
index 2b7a6ccbe3..c13f1189c5 100644
--- a/spec/ruby/optional/capi/rake_helper.rb
+++ b/spec/ruby/optional/capi/rake_helper.rb
@@ -20,4 +20,3 @@ task default: [output]
 file output => [input] do
   sh build_cmd
 end
-
diff --git a/spec/ruby/optional/capi/string_spec.rb b/spec/ruby/optional/capi/string_spec.rb
index cc6ac2e0cb..2344dd37d7 100644
--- a/spec/ruby/optional/capi/string_spec.rb
+++ b/spec/ruby/optional/capi/string_spec.rb
@@ -865,4 +865,23 @@ describe "C-API String function" do
       @s.rb_String({"bar" => "foo"}).should == '{"bar"=>"foo"}'
     end
   end
+
+  describe "rb_string_value_cstr" do
+    it "returns a non-null pointer for a simple string" do
+      @s.rb_string_value_cstr("Hello").should == true
+    end
+
+    it "returns a non-null pointer for a UTF-16 string" do
+      @s.rb_string_value_cstr("Hello".encode('UTF-16BE')).should == true
+    end
+
+    it "raises an error if a string contains a null" do
+      lambda { @s.rb_string_value_cstr("Hello\0 with a null.") }.should raise_error(ArgumentError)
+    end
+
+    it "raises an error if a UTF-16 string contains a null" do
+      lambda { @s.rb_string_value_cstr("Hello\0 with a null.".encode('UTF-16BE')) }.should raise_error(ArgumentError)
+    end
+
+  end
 end
-- 
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