shugo	2015-10-09 16:42:34 +0900 (Fri, 09 Oct 2015)

  New Revision: 52093

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52093

  Log:
    * lib/net/imap.rb: use frozen_string_literal: true.
    
    * test/net/imap/test_imap.rb: ditto.
    
    * test/net/imap/test_imap_response_parser.rb: ditto.

  Modified files:
    trunk/ChangeLog
    trunk/lib/net/imap.rb
    trunk/test/net/imap/test_imap.rb
    trunk/test/net/imap/test_imap_response_parser.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 52092)
+++ ChangeLog	(revision 52093)
@@ -1,3 +1,11 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Oct  9 16:42:26 2015  Shugo Maeda  <shugo@r...>
+
+	* lib/net/imap.rb: use frozen_string_literal: true. 
+
+	* test/net/imap/test_imap.rb: ditto.
+
+	* test/net/imap/test_imap_response_parser.rb: ditto.
+
 Fri Oct  9 15:52:28 2015  Shugo Maeda  <shugo@r...>
 
 	* lib/net/ftp.rb: use frozen_string_literal: true.
Index: lib/net/imap.rb
===================================================================
--- lib/net/imap.rb	(revision 52092)
+++ lib/net/imap.rb	(revision 52093)
@@ -1,4 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/lib/net/imap.rb#L1
 #
+# -*- frozen_string_literal: true -*-
+#
 # = net/imap.rb
 #
 # Copyright (C) 2000  Shugo Maeda <shugo@r...>
@@ -1191,7 +1193,7 @@ module Net https://github.com/ruby/ruby/blob/trunk/lib/net/imap.rb#L1193
     end
 
     def get_response
-      buff = ""
+      buff = String.new
       while true
         s = @sock.gets(CRLF)
         break unless s
@@ -2729,7 +2731,7 @@ module Net https://github.com/ruby/ruby/blob/trunk/lib/net/imap.rb#L2731
       end
 
       def section
-        str = ""
+        str = String.new
         token = match(T_LBRA)
         str.concat(token.value)
         token = match(T_ATOM, T_NUMBER, T_RBRA)
@@ -3210,7 +3212,7 @@ module Net https://github.com/ruby/ruby/blob/trunk/lib/net/imap.rb#L3212
       end
 
       def atom
-        result = ""
+        result = String.new
         while true
           token = lookahead
           if atom_token?(token)
Index: test/net/imap/test_imap_response_parser.rb
===================================================================
--- test/net/imap/test_imap_response_parser.rb	(revision 52092)
+++ test/net/imap/test_imap_response_parser.rb	(revision 52093)
@@ -1,3 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/test/net/imap/test_imap_response_parser.rb#L1
+#
+# -*- frozen_string_literal: true -*-
+
 require "net/imap"
 require "test/unit"
 
Index: test/net/imap/test_imap.rb
===================================================================
--- test/net/imap/test_imap.rb	(revision 52092)
+++ test/net/imap/test_imap.rb	(revision 52093)
@@ -1,3 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/test/net/imap/test_imap.rb#L1
+#
+# -*- frozen_string_literal: true -*-
+
 require "net/imap"
 require "test/unit"
 
@@ -26,13 +29,13 @@ class IMAPTest < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/net/imap/test_imap.rb#L29
     assert_equal("foo", Net::IMAP.encode_utf7("foo"))
     assert_equal("&-", Net::IMAP.encode_utf7("&"))
 
-    utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
+    utf8 = "\357\274\241\357\274\242\357\274\243".dup.force_encoding("UTF-8")
     s = Net::IMAP.encode_utf7(utf8)
     assert_equal("&,yH,Iv8j-", s)
     s = Net::IMAP.encode_utf7("foo&#{utf8}-bar".encode("EUC-JP"))
     assert_equal("foo&-&,yH,Iv8j--bar", s)
 
-    utf8 = "\343\201\202&".force_encoding("UTF-8")
+    utf8 = "\343\201\202&".dup.force_encoding("UTF-8")
     s = Net::IMAP.encode_utf7(utf8)
     assert_equal("&MEI-&-", s)
     s = Net::IMAP.encode_utf7(utf8.encode("EUC-JP"))
@@ -44,7 +47,7 @@ class IMAPTest < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/net/imap/test_imap.rb#L47
     assert_equal("&-", Net::IMAP.decode_utf7("&--"))
 
     s = Net::IMAP.decode_utf7("&,yH,Iv8j-")
-    utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
+    utf8 = "\357\274\241\357\274\242\357\274\243".dup.force_encoding("UTF-8")
     assert_equal(utf8, s)
   end
 

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