test/test_idgxmlmaker_cmd.rb in review-5.3.0 vs test/test_idgxmlmaker_cmd.rb in review-5.4.0

@@ -19,10 +19,10 @@
     FileUtils.rm_rf(@tmpdir1)
     ENV['RUBYLIB'] = @old_rubylib
   end
 
   def common_buildidgxml(bookdir, configfile, targetfile, option)
-    if /mswin|mingw|cygwin/ !~ RUBY_PLATFORM
+    unless /mswin|mingw|cygwin/.match?(RUBY_PLATFORM)
       config = prepare_samplebook(@tmpdir1, bookdir, nil, configfile)
       builddir = File.join(@tmpdir1, config['bookname'] + '-idgxml')
       assert !File.exist?(builddir)
 
       ruby_cmd = File.join(RbConfig::CONFIG['bindir'], RbConfig::CONFIG['ruby_install_name']) + RbConfig::CONFIG['EXEEXT']