test/support/assert_helpers.rb in optimist-3.1.0 vs test/support/assert_helpers.rb in optimist-3.2.0

@@ -40,7 +40,13 @@
       } if status
       return true
     end
     flunk "#{msg}#{mu_pp(exp)} SystemExit expected but nothing was raised."
   end
+
+  # wrapper around common assertion checking pattern
+  def assert_raises_errmatch(err_klass, err_regexp, &b)
+    err = assert_raises(err_klass, &b)
+    assert_match(err_regexp, err.message)
+  end
 end