nobu	2017-08-01 20:59:45 +0900 (Tue, 01 Aug 2017)

  New Revision: 59459

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=59459

  Log:
    assertions.rb: AllFailures#message encoding
    
    * test/lib/test/unit/assertions.rb (AllFailures#message): put
      indented messages back to the original encoding, to get rid of
      Encoding::CompatibilityError when key has non-ASCII characters.

  Modified files:
    trunk/test/lib/test/unit/assertions.rb
Index: test/lib/test/unit/assertions.rb
===================================================================
--- test/lib/test/unit/assertions.rb	(revision 59458)
+++ test/lib/test/unit/assertions.rb	(revision 59459)
@@ -888,7 +888,8 @@ eom https://github.com/ruby/ruby/blob/trunk/test/lib/test/unit/assertions.rb#L888
           total = @count.to_s
           fmt = "%#{total.size}d"
           @failures.map {|k, (n, v)|
-            "\n#{i+=1}. [#{fmt%n}/#{total}] Assertion for #{k.inspect}\n#{v.message.b.gsub(/^/, '   | ')}"
+            v = v.message
+            "\n#{i+=1}. [#{fmt%n}/#{total}] Assertion for #{k.inspect}\n#{v.b.gsub(/^/, '   | ').force_encoding(v.encoding)}"
           }.join("\n")
         end
 

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