once.rb in benchmark_driver-0.13.1

- old
+ new

@@ -49,11 +49,11 @@
   # @param [BenchmarkDriver::Runner::Ips::Job] job - loop_count is not nil
   # @param [BenchmarkDriver::Context] context
   # @return [Float] duration
   def run_benchmark(job, context:)
     benchmark = BenchmarkScript.new(
-      prelude:    "#{context.prelude}\n#{job.prelude}",
+      preludes:   [context.prelude, job.prelude],
       script:     job.script,
       teardown:   job.teardown,
       loop_count: job.loop_count,
     )
 
@@ -88,12 +88,13 @@
 
   # @param [String] prelude
   # @param [String] script
   # @param [String] teardown
   # @param [Integer] loop_count
-  BenchmarkScript = ::BenchmarkDriver::Struct.new(:prelude, :script, :teardown, :loop_count) do
+  BenchmarkScript = ::BenchmarkDriver::Struct.new(:preludes, :script, :teardown, :loop_count) do
     # @param [String] result - A file to write result
     def render(result:)
+      prelude = preludes.reject(&:nil?).reject(&:empty?).join("\n")
       <<-RUBY
 #{prelude}
 __bmdv_before = Time.now
 #{script}
 __bmdv_after = Time.now