#
# Tests the overhead of literal versus processed String object constructors.
#

require 'rubygems'
require './better-benchmark'


ENV['R_HOME']='/usr/local/lib/R'

ITERATIONS = 10 
INNER_ITER = 200000 
STRING     = 'A'

puts "Testing against Ruby #{RUBY_VERSION}"
puts ''

puts "Building String object constructor test cases..."
puts ''
test_literal = "String.new('#{STRING}')\n"
test_process = "String.new(\"#{STRING}\")\n"

(0..9).each do
	puts "Testing #{ITERATIONS} passes of #{INNER_ITER} iterations for literal (Set 1) versus processed (Set 2) String object constructors"
	result = Benchmark.compare_realtime(
		:iterations => ITERATIONS,
		:inner_iterations => INNER_ITER,
		:verbose => true 
	) {|iteration|
		eval(test_literal)
	}.with {|iteration|
		eval(test_process)
	}

	Benchmark.report_on(result)

	puts ''
end