{lib,test}/cgi: Specify frozen_string_literal: true.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57652 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

8 files changed, 42 insertions, 42 deletions

diff --git a/test/cgi/test_cgi_cookie.rb b/test/cgi/test_cgi_cookie.rb
index ca81e41133..115a57e4a1 100644
--- a/test/cgi/test_cgi_cookie.rb
+++ b/test/cgi/test_cgi_cookie.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'stringio'
@@ -15,7 +15,7 @@ class CGICookieTest < Test::Unit::TestCase
       'REQUEST_METHOD' => 'GET',
       'SCRIPT_NAME' => nil,
     )
-    @str1="\xE3\x82\x86\xE3\x82\x93\xE3\x82\x86\xE3\x82\x93"
+    @str1="\xE3\x82\x86\xE3\x82\x93\xE3\x82\x86\xE3\x82\x93".dup
     @str1.force_encoding("UTF-8") if defined?(::Encoding)
   end
 
@@ -39,7 +39,7 @@ class CGICookieTest < Test::Unit::TestCase
 
   def test_cgi_cookie_new_complex
     t = Time.gm(2030, 12, 31, 23, 59, 59)
-    value = ['val1', '&<>"', "\xA5\xE0\xA5\xB9\xA5\xAB"]
+    value = ['val1', '&<>"', "\xA5\xE0\xA5\xB9\xA5\xAB".dup]
     value[2].force_encoding("EUC-JP") if defined?(::Encoding)
     cookie = CGI::Cookie.new('name'=>'name1',
                              'value'=>value,
diff --git a/test/cgi/test_cgi_core.rb b/test/cgi/test_cgi_core.rb
index 97308a0457..255203dc17 100644
--- a/test/cgi/test_cgi_core.rb
+++ b/test/cgi/test_cgi_core.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'stringio'
@@ -105,11 +105,11 @@ class CGICoreTest < Test::Unit::TestCase
       hash={}
       cgi = CGI.new(:accept_charset=>"UTF-8"){|key,val|hash[key]=val}
       ## cgi[]
-      assert_equal("\xBE\xBE\xB9\xBE".force_encoding("UTF-8"), cgi['str'])
+      assert_equal("\xBE\xBE\xB9\xBE".dup.force_encoding("UTF-8"), cgi['str'])
       ## cgi.params
-      assert_equal(["\xBE\xBE\xB9\xBE".force_encoding("UTF-8")], cgi.params['str'])
+      assert_equal(["\xBE\xBE\xB9\xBE".dup.force_encoding("UTF-8")], cgi.params['str'])
       ## accept-charset error
-      assert_equal({"str"=>"\xBE\xBE\xB9\xBE".force_encoding("UTF-8")},hash)
+      assert_equal({"str"=>"\xBE\xBE\xB9\xBE".dup.force_encoding("UTF-8")},hash)
 
       $stdin.rewind
       assert_raise(CGI::InvalidEncoding) do
@@ -119,9 +119,9 @@ class CGICoreTest < Test::Unit::TestCase
       $stdin.rewind
       cgi = CGI.new(:accept_charset=>"EUC-JP")
       ## cgi[]
-      assert_equal("\xBE\xBE\xB9\xBE".force_encoding("EUC-JP"), cgi['str'])
+      assert_equal("\xBE\xBE\xB9\xBE".dup.force_encoding("EUC-JP"), cgi['str'])
       ## cgi.params
-      assert_equal(["\xBE\xBE\xB9\xBE".force_encoding("EUC-JP")], cgi.params['str'])
+      assert_equal(["\xBE\xBE\xB9\xBE".dup.force_encoding("EUC-JP")], cgi.params['str'])
     else
       assert(true)
     end
diff --git a/test/cgi/test_cgi_header.rb b/test/cgi/test_cgi_header.rb
index c420e7978b..bab2d0348a 100644
--- a/test/cgi/test_cgi_header.rb
+++ b/test/cgi/test_cgi_header.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'time'
@@ -58,7 +58,7 @@ class CGIHeaderTest < Test::Unit::TestCase
       'expires'    => Time.gm(2000, 1, 23, 12, 34, 56),
       'location'   => 'http://www.ruby-lang.org/',
     }
-    expected =  "Status: 302 Found\r\n"
+    expected =  "Status: 302 Found\r\n".dup
     expected << "Server: webrick\r\n"
     expected << "Connection: close\r\n"
     expected << "Content-Type: text/xhtml; charset=utf8\r\n"
@@ -116,7 +116,7 @@ class CGIHeaderTest < Test::Unit::TestCase
                 CGI::Cookie.new('name'=>'name2', 'value'=>'value2', 'secure'=>true),
               ]
     cgi.instance_variable_set('@output_cookies', cookies)
-    expected =  "Content-Type: text/html; charset=utf8\r\n"
+    expected =  "Content-Type: text/html; charset=utf8\r\n".dup
     expected << "Set-Cookie: name1=abc&123; path=\r\n"
     expected << "Set-Cookie: name2=value2; path=; secure\r\n"
     expected << "\r\n"
@@ -151,7 +151,7 @@ class CGIHeaderTest < Test::Unit::TestCase
       actual.sub!(date, "Date: DATE_IS_REMOVED\r\n")
     end
     ## assertion
-    expected =  "HTTP/1.1 200 OK\r\n"
+    expected =  "HTTP/1.1 200 OK\r\n".dup
     expected << "Date: DATE_IS_REMOVED\r\n"
     expected << "Server: Apache 2.2.0\r\n"
     expected << "Connection: close\r\n"
@@ -163,10 +163,10 @@ class CGIHeaderTest < Test::Unit::TestCase
     expected.sub!(/^HTTP\/1.1 200 OK\r\n/, "HTTP/1.1 302 Found\r\n")
     expected.sub!(/\r\n\r\n/, "\r\nlocation: http://www.example.com/\r\n\r\n")
     assert_equal(expected, actual3)
-    expected =  "Content-Type: text/html\r\n"
+    expected =  "Content-Type: text/html\r\n".dup
     expected << "\r\n"
     assert_equal(expected, actual4)
-    expected =  "Status: 302 Found\r\n"
+    expected =  "Status: 302 Found\r\n".dup
     expected << "Content-Type: text/html\r\n"
     expected << "location: http://www.example.com/\r\n"
     expected << "\r\n"
diff --git a/test/cgi/test_cgi_modruby.rb b/test/cgi/test_cgi_modruby.rb
index 9813a95277..90132962b5 100644
--- a/test/cgi/test_cgi_modruby.rb
+++ b/test/cgi/test_cgi_modruby.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require_relative 'update_env'
diff --git a/test/cgi/test_cgi_multipart.rb b/test/cgi/test_cgi_multipart.rb
index f63c2e3778..d27b1cb8b6 100644
--- a/test/cgi/test_cgi_multipart.rb
+++ b/test/cgi/test_cgi_multipart.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'tempfile'
@@ -33,7 +33,7 @@ class MultiPart
 
   def initialize(boundary=nil)
     @boundary = boundary || create_boundary()
-    @buf = ''
+    @buf = ''.dup
     @buf.force_encoding(::Encoding::ASCII_8BIT) if defined?(::Encoding)
   end
   attr_reader :boundary
@@ -53,7 +53,7 @@ class MultiPart
 
   def close
     buf = @buf
-    @buf = ''
+    @buf = ''.dup
     return buf << "--#{boundary}--\r\n"
   end
 
@@ -202,7 +202,7 @@ class CGIMultipartTest < Test::Unit::TestCase
     @boundary = '----WebKitFormBoundaryAAfvAII+YL9102cX'
     @data = [
       {:name=>'hidden1', :value=>'foobar'},
-      {:name=>'text1',   :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A"},
+      {:name=>'text1',   :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A".dup},
       {:name=>'file1',   :value=>_read('file1.html'),
        :filename=>'file1.html', :content_type=>'text/html'},
       {:name=>'image1',  :value=>_read('small.png'),
@@ -218,7 +218,7 @@ class CGIMultipartTest < Test::Unit::TestCase
     @boundary = '----WebKitFormBoundaryAAfvAII+YL9102cX'
     @data = [
       {:name=>'hidden1', :value=>'foobar'},
-      {:name=>'text1',   :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A"},
+      {:name=>'text1',   :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A".dup},
       {:name=>'file1',   :value=>_read('file1.html'),
        :filename=>'file1.html', :content_type=>'text/html'},
       {:name=>'image1',  :value=>_read('large.png'),
@@ -323,7 +323,7 @@ class CGIMultipartTest < Test::Unit::TestCase
     @boundary = '(.|\n)*'
     @data = [
       {:name=>'hidden1', :value=>'foobar'},
-      {:name=>'text1',   :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A"},
+      {:name=>'text1',   :value=>"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86\xE3\x81\x88\xE3\x81\x8A".dup},
       {:name=>'file1',   :value=>_read('file1.html'),
        :filename=>'file1.html', :content_type=>'text/html'},
       {:name=>'image1',  :value=>_read('small.png'),
diff --git a/test/cgi/test_cgi_session.rb b/test/cgi/test_cgi_session.rb
index 59e8d4c15b..b16b69766e 100644
--- a/test/cgi/test_cgi_session.rb
+++ b/test/cgi/test_cgi_session.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'cgi/session'
@@ -30,7 +30,7 @@ class CGISessionTest < Test::Unit::TestCase
       'SERVER_PROTOCOL' => 'HTTP/1.1',
     )
     value1="value1"
-    value2="\x8F\xBC\x8D]"
+    value2="\x8F\xBC\x8D]".dup
     value2.force_encoding("SJIS") if defined?(::Encoding)
     cgi = CGI.new
     session = CGI::Session.new(cgi,"tmpdir"=>@session_dir)
@@ -66,7 +66,7 @@ class CGISessionTest < Test::Unit::TestCase
       'SERVER_PROTOCOL' => 'HTTP/1.1',
     )
     value1="value1"
-    value2="\x8F\xBC\x8D]"
+    value2="\x8F\xBC\x8D]".dup
     value2.force_encoding("SJIS") if defined?(::Encoding)
     cgi = CGI.new
     session = CGI::Session.new(cgi,"tmpdir"=>@session_dir,"database_manager"=>CGI::Session::PStore)
@@ -101,7 +101,7 @@ class CGISessionTest < Test::Unit::TestCase
       'SERVER_PROTOCOL' => 'HTTP/1.1',
     )
     value1="value1"
-    value2="\x8F\xBC\x8D]"
+    value2="\x8F\xBC\x8D]".dup
     value2.force_encoding("SJIS") if defined?(::Encoding)
     cgi = CGI.new
     session = CGI::Session.new(cgi,"tmpdir"=>@session_dir,"session_id"=>"foo")
@@ -139,7 +139,7 @@ class CGISessionTest < Test::Unit::TestCase
       'SERVER_PROTOCOL' => 'HTTP/1.1',
     )
     value1="value1"
-    value2="\x8F\xBC\x8D]"
+    value2="\x8F\xBC\x8D]".dup
     value2.force_encoding("SJIS") if defined?(::Encoding)
     cgi = CGI.new
     session = CGI::Session.new(cgi,"tmpdir"=>@session_dir,"session_key"=>"bar")
diff --git a/test/cgi/test_cgi_tag_helper.rb b/test/cgi/test_cgi_tag_helper.rb
index a48bafdaec..0b99dfc1bc 100644
--- a/test/cgi/test_cgi_tag_helper.rb
+++ b/test/cgi/test_cgi_tag_helper.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'stringio'
diff --git a/test/cgi/test_cgi_util.rb b/test/cgi/test_cgi_util.rb
index 0765249c4e..9c9067a488 100644
--- a/test/cgi/test_cgi_util.rb
+++ b/test/cgi/test_cgi_util.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cgi'
 require 'stringio'
@@ -15,7 +15,7 @@ class CGIUtilTest < Test::Unit::TestCase
       'REQUEST_METHOD' => 'GET',
       'SCRIPT_NAME' => nil,
     )
-    @str1="&<>\" \xE3\x82\x86\xE3\x82\x93\xE3\x82\x86\xE3\x82\x93"
+    @str1="&<>\" \xE3\x82\x86\xE3\x82\x93\xE3\x82\x86\xE3\x82\x93".dup
     @str1.force_encoding("UTF-8") if defined?(::Encoding)
   end
 
@@ -31,14 +31,14 @@ class CGIUtilTest < Test::Unit::TestCase
 
   def test_cgi_escape_with_invalid_byte_sequence
     assert_nothing_raised(ArgumentError) do
-      assert_equal('%C0%3C%3C', CGI::escape("\xC0\<\<".force_encoding("UTF-8")))
+      assert_equal('%C0%3C%3C', CGI::escape("\xC0\<\<".dup.force_encoding("UTF-8")))
     end
   end
 
   def test_cgi_escape_preserve_encoding
-    assert_equal(Encoding::US_ASCII, CGI::escape("\xC0\<\<".force_encoding("US-ASCII")).encoding)
-    assert_equal(Encoding::ASCII_8BIT, CGI::escape("\xC0\<\<".force_encoding("ASCII-8BIT")).encoding)
-    assert_equal(Encoding::UTF_8, CGI::escape("\xC0\<\<".force_encoding("UTF-8")).encoding)
+    assert_equal(Encoding::US_ASCII, CGI::escape("\xC0\<\<".dup.force_encoding("US-ASCII")).encoding)
+    assert_equal(Encoding::ASCII_8BIT, CGI::escape("\xC0\<\<".dup.force_encoding("ASCII-8BIT")).encoding)
+    assert_equal(Encoding::UTF_8, CGI::escape("\xC0\<\<".dup.force_encoding("UTF-8")).encoding)
   end
 
   def test_cgi_unescape
@@ -51,9 +51,9 @@ class CGIUtilTest < Test::Unit::TestCase
   end
 
   def test_cgi_unescape_preserve_encoding
-    assert_equal(Encoding::US_ASCII, CGI::unescape("%C0%3C%3C".force_encoding("US-ASCII")).encoding)
-    assert_equal(Encoding::ASCII_8BIT, CGI::unescape("%C0%3C%3C".force_encoding("ASCII-8BIT")).encoding)
-    assert_equal(Encoding::UTF_8, CGI::unescape("%C0%3C%3C".force_encoding("UTF-8")).encoding)
+    assert_equal(Encoding::US_ASCII, CGI::unescape("%C0%3C%3C".dup.force_encoding("US-ASCII")).encoding)
+    assert_equal(Encoding::ASCII_8BIT, CGI::unescape("%C0%3C%3C".dup.force_encoding("ASCII-8BIT")).encoding)
+    assert_equal(Encoding::UTF_8, CGI::unescape("%C0%3C%3C".dup.force_encoding("UTF-8")).encoding)
   end
 
   def test_cgi_unescape_accept_charset
@@ -72,7 +72,7 @@ class CGIUtilTest < Test::Unit::TestCase
   end
 
   def test_cgi_escape_html_duplicated
-    orig = "Ruby".force_encoding("US-ASCII")
+    orig = "Ruby".dup.force_encoding("US-ASCII")
     str = CGI::escapeHTML(orig)
     assert_equal(orig, str)
     assert_not_same(orig, str)
@@ -90,10 +90,10 @@ class CGIUtilTest < Test::Unit::TestCase
   end
 
   def test_cgi_escape_html_preserve_tainted
-    assert_not_predicate CGI::escapeHTML("'&\"><"),       :tainted?
-    assert_predicate     CGI::escapeHTML("'&\"><".taint), :tainted?
-    assert_not_predicate CGI::escapeHTML("Ruby"),         :tainted?
-    assert_predicate     CGI::escapeHTML("Ruby".taint),   :tainted?
+    assert_not_predicate CGI::escapeHTML("'&\"><"),           :tainted?
+    assert_predicate     CGI::escapeHTML("'&\"><".dup.taint), :tainted?
+    assert_not_predicate CGI::escapeHTML("Ruby"),             :tainted?
+    assert_predicate     CGI::escapeHTML("Ruby".dup.taint),   :tainted?
   end
 
   def test_cgi_escape_html_dont_freeze