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require 'spec_helper'
RSpec.describe Array, '#median' do
let(:ary) { [] }
subject(:median) { ary.median }
with_array [] do
it_is_float_nan
end
with_array [1] do
it_is_int_equal(1)
end
with_array [0, 1] do
it_is_float_equal(0.5)
end
with_array [0.0444502, 0.0463301, 0.141249, 0.0606775] do
it_is_float_equal((0.0463301 + 0.0606775) / 2.0)
end
with_array [0.0463301, 0.0444502, 0.141249] do
it_is_float_equal(0.0463301)
end
with_array [0.0444502, 0.141249, 0.0463301] do
it_is_float_equal(0.0463301)
end
with_array [0.0444502, Float::NAN, 0.0463301] do
it_is_float_nan
end
with_array [0.0444502, nil, 0.0463301] do
it_is_float_nan
end
end
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