diff --git a/test/test-main.rb b/test/test-main.rb
index eca7b21..eed7e51 100644
--- a/test/test-main.rb
+++ b/test/test-main.rb
@@ -273,7 +273,7 @@ END
errmsgs << <<'END'
7: syntax error, unexpected $end, expecting keyword_end
END
- elsif ruby20? || ruby21? || ruby22?
+ elsif ruby20? || ruby21? || ruby22? || ruby23?
errmsgs << <<'END'
3: syntax error, unexpected ']', expecting ')'
_buf << ' <li>'; _buf << ( item[:name]] ).to_s; _buf << '</li>
diff --git a/test/test-users-guide.rb b/test/test-users-guide.rb
index af6c006..620a556 100644
--- a/test/test-users-guide.rb
+++ b/test/test-users-guide.rb
@@ -28,7 +28,7 @@ class KwarkUsersGuideTest < Test::Unit::TestCase
s =~ /\A\$ (.*?)\n/
command = $1
expected = $'
- if ruby19? || ruby20? || ruby21? || ruby22?
+ if ruby19? || ruby20? || ruby21? || ruby22? || ruby23?
case @name
when 'test_main_program1_result'
expected.sub!('["eruby", "items", "x", "_buf"]', '[:_buf, :eruby, :items, :x]')
diff --git a/test/testutil.rb b/test/testutil.rb
index e9130b7..13db7d5 100644
--- a/test/testutil.rb
+++ b/test/testutil.rb
@@ -29,6 +29,10 @@ def ruby22? # :nodoc:
RUBY_VERSION =~ /\A2.2/
end
+def ruby23? # :nodoc:
+ RUBY_VERSION =~ /\A2.3/
+end
+
def rubinius? # :nodoc:
defined?(RUBY_ENGINE) && RUBY_ENGINE == "rbx"
end