* gc.c (rb_gc_set_params): allow GC parameter configuration by

  environment variables.  based on a patch from funny-falcon at
  https://gist.github.com/856296, but honors safe level.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31044 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 13 deletions

diff --git a/test/ruby/test_system.rb b/test/ruby/test_system.rb
index f1372781cf..bb77ad445e 100644
--- a/test/ruby/test_system.rb
+++ b/test/ruby/test_system.rb
@@ -91,13 +91,24 @@ class TestSystem < Test::Unit::TestCase
   def test_system_at
       if /mswin|mingw/ =~ RUBY_PLATFORM
         bug4393 = '[ruby-core:35218]'
+        bug4396 = '[ruby-core:35227]'
 
         # @ + builtin command
         assert_equal("foo\n", `@echo foo`, bug4393);
         assert_equal("foo\n", `@@echo foo`, bug4393);
         assert_equal("@@foo\n", `@@echo @@foo`, bug4393);
 
-        # @ + non builtin command
+        # "" + @ + built-in
+        assert_equal("@@foo\n", `"echo" @@foo`, bug4396);
+        assert_equal("@@foo\n", `"@@echo" @@foo`, bug4396);
+        assert_equal("@@foo\n", `"@@echo @@foo"`, bug4396);
+        assert_equal('"@foo"\n', `"echo" "@foo"`, bug4396);
+
+        # ^ + @ + built-in
+        assert_equal(nil, system('^@echo foo'), bug4396);
+        assert_equal(nil, system('"^@echo foo"'), bug4396);
+        assert_equal("@foo\n", `echo ^@foo`);
+
         Dir.mktmpdir("ruby_script_tmp") {|tmpdir|
           tmpfilename = "#{tmpdir}/ruby_script_tmp.#{$$}"
 
@@ -105,23 +116,16 @@ class TestSystem < Test::Unit::TestCase
           tmp.print "foo\nbar\nbaz\n@foo";
           tmp.close
 
+          # @ + non builtin command
           assert_match(/\Abar\nbaz\n?\z/, `@@findstr "ba" #{tmpfilename.gsub("/", "\\")}`, bug4393);
+
+          # "" + @ + non built-in
+          assert_match(/\Abar\nbaz\n?\z/, `"@@findstr" "ba" #{tmpfilename.gsub("/", "\\")}`, bug4396);
+          assert_match(/\A@foo\n?\z/, `"@@findstr" "@foo" #{tmpfilename.gsub("/", "\\")}`, bug4396);
         }
       end
   end
 
-  def test_system_redirect_win
-    if /mswin|mingw/ !~ RUBY_PLATFORM
-      return
-    end
-
-    cmd = "%WINDIR%/system32/ping.exe \"BFI3CHL671\" > out.txt 2>NUL"
-    assert_equal(false, system(cmd), '[ruby-talk:258939]');
-
-    cmd = "\"%WINDIR%/system32/ping.exe BFI3CHL671\" > out.txt 2>NUL"
-    assert_equal(false, system(cmd), '[ruby-talk:258939]');
-  end
-
   def test_empty_evstr
     assert_equal("", eval('"#{}"', nil, __FILE__, __LINE__), "[ruby-dev:25113]")
   end