Verified Commit 6d7ed562 authored by Roman Lacko's avatar Roman Lacko
Browse files

Add tests

parent 6bfca657

CMakeLists.txt

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@@ -6,3 +6,9 @@ SET(CMAKE_CXX_FLAGS "-pedantic -Wall -Wextra") 


# factorial library

ADD_LIBRARY(fact STATIC fact.c)



# tests

FILE(GLOB TEST_SOURCES "tests/*.cpp")

ADD_EXECUTABLE(fact_test ${TEST_SOURCES})

TARGET_LINK_LIBRARIES(fact_test fact)

TARGET_INCLUDE_DIRECTORIES(fact_test PRIVATE ".")

tests/catch.hpp

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tests/test-fact.cpp

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#include "catch.hpp"



#include <map>

#include "fact.h"



SCENARIO("computing factorials")

{

    GIVEN("input is zero") {

        REQUIRE( factorial(0UL) == 1UL );

    }



    GIVEN("input is non-zero") {

        using ull_t = unsigned long long;

        std::map<ull_t, ull_t> table = {

            {  1UL,       1UL },

            {  2UL,       2UL },

            {  5UL,     120UL },

            { 10UL, 3628800UL },

        };



        for (const auto& kv : table) {

            REQUIRE( factorial(kv.first) == kv.second );

        }

    }

}

tests/test-main.cpp

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#define CATCH_CONFIG_MAIN

#include "catch.hpp"