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test/adt/array_test.exs

defmodule InPlace.ArrayTest do
use ExUnit.Case
alias InPlace.Array
test "operations" do
array = Array.new(10)
refute Enum.any?(1..10, fn idx -> Array.get(array, idx) end)
Array.put(array, 1, 100)
assert Array.get(array, 1) == 100
Array.update(array, 1, fn existing -> 2 * existing end)
assert Array.get(array, 1) == 200
Array.put(array, 2, 101)
Array.swap(array, 1, 2)
assert Array.get(array, 1) == 101 && Array.get(array, 2) == 200
end
end