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15 lines
322 B
C++
15 lines
322 B
C++
#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
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#include "doctest.h"
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int fact(int n) {
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return n <= 1 ? n : fact(n - 1) * n;
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}
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TEST_CASE("testing the factorial function") {
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CHECK(fact(0) == 1); // should fail
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CHECK(fact(1) == 1);
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CHECK(fact(2) == 2);
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CHECK(fact(3) == 6);
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CHECK(fact(10) == 3628800);
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}
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