[ruby-core:77373] [Ruby trunk Bug#12785] misc/test_ruby_mode.rb failed with emacs 25.1.1

Issue #12785 has been updated by Kazuhiro NISHIYAMA.


I check with following diff, file is saved.

```diff
diff --git a/test/misc/test_ruby_mode.rb b/test/misc/test_ruby_mode.rb
index a91e1c2..36009f8 100644
--- a/test/misc/test_ruby_mode.rb
+++ b/test/misc/test_ruby_mode.rb
@@ -35,6 +35,8 @@ def run_emacs(src, *exprs)
     output = IO.popen([*EMACS, tmp.path, *exprs, err:[:child, :out]], "r") {|e| e.read}
     tmp.open
     result = tmp.read
+    puts src
+    puts result
     return result, output
   ensure
     tmp.close!
```

And I found document change of `write-region`.

Emacs 25.1.1:
> If VISIT is neither t nor nil nor a string, or if Emacs is in batch mode,
>   do not display the "Wrote file" message.

Emacs 24.5.1:
> If VISIT is neither t nor nil nor a string,
>   that means do not display the "Wrote file" message.

And ChangeLog message: https://github.com/emacs-mirror/emacs/blob/65dc67c87553bec4c8b36432246b13f09d653118/src/ChangeLog.13#L1758-L1761
> batch write-region no longer says "Wrote FOO"
> This cuts down on 'make' chatter a bit.
> * fileio.c (Fwrite_region):
> Don't output "Wrote /whatever/foo.elc" if noninteractive.

----------------------------------------
Bug #12785: misc/test_ruby_mode.rb failed with emacs 25.1.1
https://bugs.ruby-lang.org/issues/12785#change-60619

* Author: Kazuhiro NISHIYAMA
* Status: Assigned
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* ruby -v: trunk
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
----------------------------------------
When emacs is 25.1.1, test/misc/test_ruby_mode.rb causes 8 failures.

```
vagrant@archlinux:~/ruby/build$ make test-all TESTS=misc/test_ruby_mode.rb
        CC = ccache gcc
        LD = ld
        LDSHARED = ccache gcc -shared
        CFLAGS = -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wno-tautological-compare -Wno-parentheses-equality -Wno-constant-logical-operand -Wno-self-assign -Wunused-variable -Werror=implicit-int -Werror=pointer-arith -Werror=write-strings -Werror=declaration-after-statement -Werror=implicit-function-declaration -Werror=deprecated-declarations -Wno-packed-bitfield-compat -Wsuggest-attribute=noreturn -Wsuggest-attribute=format -std=gnu99  -fPIC
        XCFLAGS = -D_FORTIFY_SOURCE=2 -fstack-protector -fno-strict-overflow -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT
        CPPFLAGS = -DRUBY_DEBUG_ENV -DARRAY_DEBUG   -I. -I.ext/include/x86_64-linux -I../include -I.. -I../enc/unicode/9.0.0
        DLDFLAGS = -Wl,-soname,libruby.so.2.4  -fstack-protector
        SOLIBS = -lpthread -lgmp -ldl -lcrypt -lm
組み込み spec を使用しています。
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/lto-wrapper
ターゲット: x86_64-pc-linux-gnu
configure 設定: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --enable-libmpx --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --disable-multilib --disable-werror --enable-checking=release
スレッドモデル: posix
gcc バージョン 6.2.1 20160830 (GCC)
Run options: "--ruby=./miniruby -I../lib -I. -I.ext/common  ../tool/runruby.rb --extout=.ext  -- --disable-gems" --excludes-dir=../test/excludes --name=!/memory_leak/

# Running tests:

[1/9] TestRubyMode::TestIndent#test_array_after_paren_and_space = 0.08 s
  1) Failure:
TestRubyMode::TestIndent#test_array_after_paren_and_space [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:156]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[2/9] TestRubyMode::TestIndent#test_array_literal = 0.08 s
  2) Failure:
TestRubyMode::TestIndent#test_array_literal [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:123]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[3/9] TestRubyMode::TestIndent#test_begin_end = 0.08 s
  3) Failure:
TestRubyMode::TestIndent#test_begin_end [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:144]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[4/9] TestRubyMode::TestIndent#test_expr_in_regexp = 0.08 s
  4) Failure:
TestRubyMode::TestIndent#test_expr_in_regexp [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:98]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[5/9] TestRubyMode::TestIndent#test_keyword_label = 0.08 s
  5) Failure:
TestRubyMode::TestIndent#test_keyword_label [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:72]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[6/9] TestRubyMode::TestIndent#test_method_with_question_mark = 0.08 s
  6) Failure:
TestRubyMode::TestIndent#test_method_with_question_mark [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:86]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[7/9] TestRubyMode::TestIndent#test_simple = 0.08 s
  7) Failure:
TestRubyMode::TestIndent#test_simple [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:58]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[9/9] TestRubyMode::TestIndent#test_spread_arguments = 0.08 s
  8) Failure:
TestRubyMode::TestIndent#test_spread_arguments [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:172]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

Finished tests in 0.670478s, 13.4233 tests/s, 64.1334 assertions/s.
9 tests, 43 assertions, 8 failures, 0 errors, 1 skips

ruby -v: ruby 2.4.0dev (2016-09-22 trunk 56204) [x86_64-linux]
make: *** [uncommon.mk:623: yes-test-all] エラー 8
vagrant@archlinux:~/ruby/build$ emacs --version
GNU Emacs 25.1.1
Copyright (C) 2016 Free Software Foundation, Inc.
GNU Emacs comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GNU Emacs
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.
```



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