* ext/socket/lib/socket.rb: Specify frozen_string_literal: true.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

9 files changed, 20 insertions, 2 deletions

diff --git a/test/socket/test_addrinfo.rb b/test/socket/test_addrinfo.rb
index b83118f5c7..a607a84172 100644
--- a/test/socket/test_addrinfo.rb
+++ b/test/socket/test_addrinfo.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
 rescue LoadError
diff --git a/test/socket/test_ancdata.rb b/test/socket/test_ancdata.rb
index 112b0c9e58..b2f86a0bb1 100644
--- a/test/socket/test_ancdata.rb
+++ b/test/socket/test_ancdata.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test/unit'
 require 'socket'
 
diff --git a/test/socket/test_basicsocket.rb b/test/socket/test_basicsocket.rb
index da977b3be0..227034ed26 100644
--- a/test/socket/test_basicsocket.rb
+++ b/test/socket/test_basicsocket.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
   require "test/unit"
diff --git a/test/socket/test_nonblock.rb b/test/socket/test_nonblock.rb
index 55198ba4dd..3f8d548c5e 100644
--- a/test/socket/test_nonblock.rb
+++ b/test/socket/test_nonblock.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
   require "io/nonblock"
@@ -129,7 +131,7 @@ class TestSocketNonblock < Test::Unit::TestCase
     mesg = u1.recv_nonblock(100)
     assert_equal("", mesg)
 
-    buf = "short"
+    buf = "short".dup
     out = "hello world" * 4
     out.freeze
     u2.send(out, 0, u1.getsockname)
diff --git a/test/socket/test_socket.rb b/test/socket/test_socket.rb
index 3682338b48..26684622e2 100644
--- a/test/socket/test_socket.rb
+++ b/test/socket/test_socket.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
   require "tmpdir"
diff --git a/test/socket/test_sockopt.rb b/test/socket/test_sockopt.rb
index 2ee06dbecd..0a2937e4fe 100644
--- a/test/socket/test_sockopt.rb
+++ b/test/socket/test_sockopt.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test/unit'
 require 'socket'
 
diff --git a/test/socket/test_tcp.rb b/test/socket/test_tcp.rb
index 5e3528e242..c0e34ebe27 100644
--- a/test/socket/test_tcp.rb
+++ b/test/socket/test_tcp.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
   require "test/unit"
diff --git a/test/socket/test_udp.rb b/test/socket/test_udp.rb
index 56933375d7..5b23cce288 100644
--- a/test/socket/test_udp.rb
+++ b/test/socket/test_udp.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
   require "test/unit"
diff --git a/test/socket/test_unix.rb b/test/socket/test_unix.rb
index 9ca97d2998..313a1f018b 100644
--- a/test/socket/test_unix.rb
+++ b/test/socket/test_unix.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require "socket"
 rescue LoadError
@@ -386,7 +388,7 @@ class TestSocket_UNIXSocket < Test::Unit::TestCase
     assert_equal("", s1.recv(10))
     assert_raise(IO::EAGAINWaitReadable) { s1.recv_nonblock(10) }
 
-    buf = ""
+    buf = "".dup
     s2.send("BBBBBB", 0)
     IO.select([s1])
     rv = s1.recv(100, 0, buf)