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path: root/jni/ruby/test/dtrace/test_gc.rb
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require_relative 'helper'

module DTrace
  class TestGC < TestCase
    %w{
      gc-mark-begin
      gc-mark-end
      gc-sweep-begin
      gc-sweep-end
    }.each do |probe_name|
      define_method(:"test_#{probe_name.gsub(/-/, '_')}") do
        probe = "ruby$target:::#{probe_name} { printf(\"#{probe_name}\\n\"); }"

        trap_probe(probe, ruby_program) { |_, _, saw|
          assert_operator saw.length, :>, 0
        }

      end
    end

    private
    def ruby_program
      "100000.times { Object.new }"
    end
  end
end if defined?(DTrace::TestCase)