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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
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#include "doctest.h"
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#include <iostream>
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double ask_width(size_t numbers_count, std::istream& in);
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TEST_CASE("ask_width returns correct width") {
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std::istringstream test_input("800\n");
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CHECK(ask_width(10, test_input) == 800);
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}
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