class Test::Unit::TestAssert::TestBlock

# File test-unit-3.3.4/test/test-assertions.rb, line 1528
        def test_with_message
          if defined?(PowerAssert)
            system_message = <<-MESSAGE.chomp
              1.to_s == "2"
                |    |
                |    false
                "1"
MESSAGE
          else
            system_message = "<false> is not true."
          end
          check_fail("user message.\n#{system_message}") do
            assert("user message") do
              1.to_s == "2"
            end
          end
        end