dodb.cr/spec/utilities.cr

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def perform_something(&block)
start = Time.monotonic
yield
Time.monotonic - start
end
def perform_benchmark_average(ntimes : Int32, &block)
i = 1
sum = Time::Span.zero
while i <= ntimes
elapsed_time = perform_something &block
sum += elapsed_time
i += 1
end
sum / ntimes
end
def run_n_times(ntimes : Int32, &block)
i = 1
durations = Array(Float64).new
while i <= ntimes
elapsed_time = perform_something &block
durations << elapsed_time.total_nanoseconds
i += 1
end
durations
end
# TODO
def should_nb_files(path : String, expected_nb_files : UInt32)
raise Exception.new "should_nb_files: not implemented yet"
end
def long_operation(text)
STDOUT.write "#{text}\r".to_slice
yield
STDOUT.write " \r".to_slice
end