treewide: future-proof frozen_string_literal changes

Once again Ruby seems ready to introduce more incompatibilities
and force busywork upon maintainers[1].  In order to avoid
incompatibilities in the future, I used a Perl script[2] to
prepend `frozen_string_literal: false' to every Ruby file.

Somebody interested will have to go through every Ruby source
file and enable frozen_string_literal once they've thoroughly
verified it's safe to do so.

[1] https://bugs.ruby-lang.org/issues/20205
[2] https://yhbt.net/add-fsl.git/74d7689/s/?b=add-fsl.perl

20 files changed, 20 insertions, 0 deletions

diff --git a/test/aggregate.rb b/test/aggregate.rb
index 5eebbe5..0f32b2f 100755
--- a/test/aggregate.rb
+++ b/test/aggregate.rb
@@ -1,5 +1,6 @@
 #!/usr/bin/ruby -n
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 BEGIN { $tests = $assertions = $failures = $errors = 0 }
 
diff --git a/test/benchmark/dd.ru b/test/benchmark/dd.ru
index 111fa2e..5bd2739 100644
--- a/test/benchmark/dd.ru
+++ b/test/benchmark/dd.ru
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 # This benchmark is the simplest test of the I/O facilities in
 # unicorn.  It is meant to return a fixed-sized blob to test
 # the performance of things in Unicorn, _NOT_ the app.
diff --git a/test/benchmark/ddstream.ru b/test/benchmark/ddstream.ru
index b14c973..fd40ced 100644
--- a/test/benchmark/ddstream.ru
+++ b/test/benchmark/ddstream.ru
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 # This app is intended to test large HTTP responses with or without
 # a fully-buffering reverse proxy such as nginx. Without a fully-buffering
 # reverse proxy, unicorn will be unresponsive when client count exceeds
diff --git a/test/benchmark/readinput.ru b/test/benchmark/readinput.ru
index c91bec3..95c0226 100644
--- a/test/benchmark/readinput.ru
+++ b/test/benchmark/readinput.ru
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 # This app is intended to test large HTTP requests with or without
 # a fully-buffering reverse proxy such as nginx. Without a fully-buffering
 # reverse proxy, unicorn will be unresponsive when client count exceeds
diff --git a/test/benchmark/stack.ru b/test/benchmark/stack.ru
index fc9193f..17a565b 100644
--- a/test/benchmark/stack.ru
+++ b/test/benchmark/stack.ru
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 run(lambda { |env|
   body = "#{caller.size}\n"
   h = {
diff --git a/test/exec/test_exec.rb b/test/exec/test_exec.rb
index 8494452..807f724 100644
--- a/test/exec/test_exec.rb
+++ b/test/exec/test_exec.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 # Don't add to this file, new tests are in Perl 5. See t/README
 FLOCK_PATH = File.expand_path(__FILE__)
 require './test/test_helper'
diff --git a/test/test_helper.rb b/test/test_helper.rb
index d86f83b..0bf3c90 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 # Copyright (c) 2005 Zed A. Shaw
 # You can redistribute it and/or modify it under the same terms as Ruby 1.8 or
diff --git a/test/unit/test_ccc.rb b/test/unit/test_ccc.rb
index f518230..a0a2bff 100644
--- a/test/unit/test_ccc.rb
+++ b/test/unit/test_ccc.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'socket'
 require 'unicorn'
 require 'io/wait'
diff --git a/test/unit/test_configurator.rb b/test/unit/test_configurator.rb
index 1298f0e..1a89aca 100644
--- a/test/unit/test_configurator.rb
+++ b/test/unit/test_configurator.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 require 'test/unit'
 require 'tempfile'
diff --git a/test/unit/test_droplet.rb b/test/unit/test_droplet.rb
index 81ad82b..4b2d2d0 100644
--- a/test/unit/test_droplet.rb
+++ b/test/unit/test_droplet.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'unicorn'
 
diff --git a/test/unit/test_http_parser.rb b/test/unit/test_http_parser.rb
index 697af44..adcc84f 100644
--- a/test/unit/test_http_parser.rb
+++ b/test/unit/test_http_parser.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 # Copyright (c) 2005 Zed A. Shaw
 # You can redistribute it and/or modify it under the same terms as Ruby 1.8 or
diff --git a/test/unit/test_http_parser_ng.rb b/test/unit/test_http_parser_ng.rb
index 425d5ad..fd47246 100644
--- a/test/unit/test_http_parser_ng.rb
+++ b/test/unit/test_http_parser_ng.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 require './test/test_helper'
 require 'digest/md5'
diff --git a/test/unit/test_request.rb b/test/unit/test_request.rb
index 53ae944..9d1b350 100644
--- a/test/unit/test_request.rb
+++ b/test/unit/test_request.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 # Copyright (c) 2009 Eric Wong
 # You can redistribute it and/or modify it under the same terms as Ruby 1.8 or
diff --git a/test/unit/test_server.rb b/test/unit/test_server.rb
index 7ffa48f..5a2252f 100644
--- a/test/unit/test_server.rb
+++ b/test/unit/test_server.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 # Copyright (c) 2005 Zed A. Shaw
 # You can redistribute it and/or modify it under the same terms as Ruby 1.8 or
diff --git a/test/unit/test_signals.rb b/test/unit/test_signals.rb
index 6c48754..49ff3c7 100644
--- a/test/unit/test_signals.rb
+++ b/test/unit/test_signals.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 # Copyright (c) 2009 Eric Wong
 # You can redistribute it and/or modify it under the same terms as Ruby 1.8 or
diff --git a/test/unit/test_socket_helper.rb b/test/unit/test_socket_helper.rb
index a446f06..4363474 100644
--- a/test/unit/test_socket_helper.rb
+++ b/test/unit/test_socket_helper.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 require './test/test_helper'
 require 'tempfile'
diff --git a/test/unit/test_stream_input.rb b/test/unit/test_stream_input.rb
index 7986ca7..7ee98e4 100644
--- a/test/unit/test_stream_input.rb
+++ b/test/unit/test_stream_input.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 require 'test/unit'
 require 'digest/sha1'
diff --git a/test/unit/test_tee_input.rb b/test/unit/test_tee_input.rb
index 607ce87..8f05c77 100644
--- a/test/unit/test_tee_input.rb
+++ b/test/unit/test_tee_input.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 require 'test/unit'
 require 'digest/sha1'
diff --git a/test/unit/test_util.rb b/test/unit/test_util.rb
index bc7b233..ce53b86 100644
--- a/test/unit/test_util.rb
+++ b/test/unit/test_util.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 require './test/test_helper'
 require 'tempfile'
diff --git a/test/unit/test_waiter.rb b/test/unit/test_waiter.rb
index 0995de2..a20994b 100644
--- a/test/unit/test_waiter.rb
+++ b/test/unit/test_waiter.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'unicorn'
 require 'unicorn/select_waiter'