Basic benchmark for the XPath parser.

benchmark/xpath/parser/parser_bench.rb

@@ -0,0 +1,9 @@
+require_relative '../../benchmark_helper'
+
+xpath = '/wikimedia/projects/project[@name="Wikipedia"]/editions/edition/text()'
+
+Benchmark.ips do |bench|
+  bench.report 'Wikipedia example' do
+    Oga::XPath::Parser.new(xpath).parse
+  end
+end