* test/ruby/test_system.rb (TestSystem#test_system_at):

  add testcase for bug4396.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30926 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 24 insertions, 6 deletions

diff --git a/test/ruby/test_system.rb b/test/ruby/test_system.rb
index 3d55eee725..bb77ad445e 100644
--- a/test/ruby/test_system.rb
+++ b/test/ruby/test_system.rb
@@ -90,20 +90,38 @@ class TestSystem < Test::Unit::TestCase
 
   def test_system_at
       if /mswin|mingw/ =~ RUBY_PLATFORM
-        testname = '[ruby-core:35218]'
+        bug4393 = '[ruby-core:35218]'
+        bug4396 = '[ruby-core:35227]'
 
         # @ + builtin command
-        assert_equal("foo\n", `@echo foo`, testname);
-        assert_equal("foo\n", `@@echo foo`, testname);
+        assert_equal("foo\n", `@echo foo`, bug4393);
+        assert_equal("foo\n", `@@echo foo`, bug4393);
+        assert_equal("@@foo\n", `@@echo @@foo`, bug4393);
+
+        # "" + @ + 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`);
 
-        # @ + non builtin command
         Dir.mktmpdir("ruby_script_tmp") {|tmpdir|
           tmpfilename = "#{tmpdir}/ruby_script_tmp.#{$$}"
 
           tmp = open(tmpfilename, "w")
-          tmp.print "foo\nbar\nbaz";
+          tmp.print "foo\nbar\nbaz\n@foo";
           tmp.close
-          assert_match(/\Abar\nbaz\n?\z/, `@@findstr "ba" #{tmpfilename.gsub("/", "\\")}`, testname);
+
+          # @ + 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