eregon	2017-12-13 06:32:13 +0900 (Wed, 13 Dec 2017)

  New Revision: 61191

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61191

  Log:
    Check that global encodings are not changed in test-all
    
    * Check that Encoding.default_internal and Encoding.default_external
      are the same before and after every test.

  Modified files:
    trunk/test/lib/leakchecker.rb
Index: test/lib/leakchecker.rb
===================================================================
--- test/lib/leakchecker.rb	(revision 61190)
+++ test/lib/leakchecker.rb	(revision 61191)
@@ -5,6 +5,7 @@ class LeakChecker https://github.com/ruby/ruby/blob/trunk/test/lib/leakchecker.rb#L5
     @tempfile_info = find_tempfiles
     @thread_info = find_threads
     @env_info = find_env
+    @encoding_info = find_encodings
   end
 
   def check(test_name)
@@ -12,7 +13,8 @@ class LeakChecker https://github.com/ruby/ruby/blob/trunk/test/lib/leakchecker.rb#L13
       check_fd_leak(test_name),
       check_thread_leak(test_name),
       check_tempfile_leak(test_name),
-      check_env(test_name)
+      check_env(test_name),
+      check_encodings(test_name),
     ]
     GC.start if leaks.any?
   end
@@ -197,6 +199,26 @@ class LeakChecker https://github.com/ruby/ruby/blob/trunk/test/lib/leakchecker.rb#L199
     return true
   end
 
+  def find_encodings
+    [Encoding.default_internal, Encoding.default_external]
+  end
+
+  def check_encodings(test_name)
+    old_internal, old_external = @encoding_info
+    new_internal, new_external = find_encodings
+    leaked = false
+    if new_internal != old_internal
+      leaked = true
+      puts "Encoding.default_internal changed: #{test_name} : #{old_internal.inspect} to #{new_internal.inspect}"
+    end
+    if new_external != old_external
+      leaked = true
+      puts "Encoding.default_external changed: #{test_name} : #{old_external.inspect} to #{new_external.inspect}"
+    end
+    @encoding_info = [new_internal, new_external]
+    return leaked
+  end
+
   def puts(*a)
     output = MiniTest::Unit.output
     if defined?(output.set_encoding)

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/