# File lib/test/unit/collector/xml.rb, line 46
          def tag_start(name, attributes)
            @text_stack.push('')

            ns = @ns_stack.last.dup
            attrs = {}
            attributes.each do |n, v|
              if /\Axmlns(?:\z|:)/ =~ n
                ns[$POSTMATCH] = v
              else
                attrs[n] = v
              end
            end
            @ns_stack.push(ns)

            _parent_tag = parent_tag
            prefix, local = split_name(name)
            uri = _ns(ns, prefix)
            @tag_stack.push([uri, local])

            state = next_state(@state_stack.last, uri, local)
            @state_stack.push(state)
            case state
            when :test_suite, :test_case
              @values = {}
            when :test
              @values = {}
              @n_pass_assertions = 0 if _parent_tag == "start-test"
            when :backtrace
              @backtrace = []
              @values_backup = @values
              @values = {}
            end
          end