Changed variable $test_args to constant TEST_ARGS

examples/mrbgems/c_and_ruby_extension_example/mrbgem.rake

@@ -18,6 +18,6 @@ MRuby::Gem::Specification.new('c_and_ruby_extension_example') do |spec|
   # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
   # spec.test_preload = 'test/assert.rb'
 
-  # Values accessible as $test_args inside test scripts
+  # Values accessible as TEST_ARGS inside test scripts
   # spec.test_args = {'tmp_dir' => Dir::tmpdir}
 end

examples/mrbgems/c_extension_example/mrbgem.rake

@@ -18,6 +18,6 @@ MRuby::Gem::Specification.new('c_extension_example') do |spec|
   # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
   # spec.test_preload = 'test/assert.rb'
 
-  # Values accessible as $test_args inside test scripts
+  # Values accessible as TEST_ARGS inside test scripts
   # spec.test_args = {'tmp_dir' => Dir::tmpdir}
 end

examples/mrbgems/ruby_extension_example/mrbgem.rake

@@ -18,6 +18,6 @@ MRuby::Gem::Specification.new('ruby_extension_example') do |spec|
   # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
   # spec.test_preload = 'test/assert.rb'
 
-  # Values accessible as $test_args inside test scripts
+  # Values accessible as TEST_ARGS inside test scripts
   # spec.test_args = {'tmp_dir' => Dir::tmpdir}
 end

tasks/mrbgems_test.rake

@@ -40,7 +40,7 @@ MRuby.each_target do
                 escaped_arg_value = arg_value.gsub('\\', '\\\\\\\\').gsub('"', '\"')
                 f.puts %Q[  mrb_hash_set(mrb2, test_args_hash, mrb_str_new(mrb2, "#{escaped_arg_name.to_s}", #{escaped_arg_name.to_s.length}), mrb_str_new(mrb2, "#{escaped_arg_value.to_s}", #{escaped_arg_value.to_s.length})); ]
               end
-              f.puts %Q[  mrb_gv_set(mrb2, mrb_intern(mrb2, "$test_args"), test_args_hash); ]
+              f.puts %Q[  mrb_const_set(mrb2, mrb_obj_value(mrb2->object_class), mrb_intern(mrb2, "TEST_ARGS"), test_args_hash); ]
             end
 
             f.puts %Q[  mrb_#{g.funcname}_gem_test(mrb2);] unless g.test_objs.empty?