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#!/usr/bin/env ruby
# encoding: UTF-8
require File.expand_path('../test_helper', __FILE__)
# issue 137 is about correctly attributing time of recursive children
class RecursiveChildrenTest < TestCase
class SlowClass
def time_sink
1234567890 ** 100 == 0
end
end
class SlowSearcher
def do_find(slow_objects)
slow_objects.find(&:time_sink)
end
end
class MainClass
def self.main_method
slow_objects = [SlowClass.new] * 100_000
slow_searcher = SlowSearcher.new
slow_searcher.do_find(slow_objects)
end
end
include PrinterTestHelper
def setup
# Need to use wall time for this test due to the sleep calls
RubyProf::measure_mode = RubyProf::WALL_TIME
end
def test_simple
result = RubyProf.profile do
# make array each recursive
[1].each do
MainClass.main_method
end
end
# methods = result.threads.first.methods.sort.reverse
printer = RubyProf::GraphPrinter.new(result)
buffer = ''
printer.print(StringIO.new(buffer))
puts buffer if ENV['SHOW_RUBY_PROF_PRINTER_OUTPUT'] == "1"
parsed_output = MetricsArray.parse(buffer)
assert( enum_find = parsed_output.metrics_for("Enumerable#find") )
assert( array_each = enum_find.child("Array#each") )
assert_operator enum_find.metrics.total, :>=, array_each.total
assert_operator enum_find.metrics.total, :>, 0
assert_in_delta enum_find.metrics.total, array_each.total, 0.02
end
end
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