TDDE18CppCourse/lab2/test_main.cc

#define CATCH_CONFIG_MAIN
#include "catch.hpp"

#include <iostream>
#include <string>

#include "time.h"

using namespace std;

TEST_CASE("Testing declaration and basic functions"){
    Time t{};
    Time t1{15, 45, 56};
    
    REQUIRE(to_string(t, false) == "00:00:00");
    REQUIRE(to_string(t1, true) == "03:45:56 pm");
}

TEST_CASE("Testing is_am()"){
    Time t1{5, 45, 56};
    Time t2{18, 34, 51};
    
    REQUIRE(is_am(t1));
    REQUIRE_FALSE(is_am(t2));
}

TEST_CASE("Testing is_valid()"){
    Time t1{5, 45, 56};
    Time t2{65, 34, 51};
    Time t3{3, -34, 51};

    REQUIRE(is_valid(t1));
    REQUIRE_FALSE(is_valid(t2));
    REQUIRE_FALSE(is_valid(t3));
}

TEST_CASE("Testing equality operator == and != "){
    Time t1{04, 42, 06};
    Time t2{18, 34, 01};
    Time t3{18, 34, 1};

    REQUIRE(t1 == t1);
    REQUIRE(t2 == t3);
    REQUIRE_FALSE(t1 == t2);

    REQUIRE(t1 != t2);
    REQUIRE_FALSE(t2 != t3);
}

/*************** Complementary work ***************/
/* TODO: You also need to test if the objects passed to operator+ has
 * been modified or not*/
//  --> done
/**************************************************/

// Not required for this lab
TEST_CASE("Testing + and - operators (between Time)"){
    Time t1{5, 45, 56};
    Time t1_copy{5, 45, 56};
    Time t3{11, 31, 52};
    Time t4{00, 01, 01};
    Time t5{11, 32, 53};

    REQUIRE(t1 + t1 == t3);
    REQUIRE(t1 == t1_copy);
    REQUIRE(t3 + t4 == t5);
}

TEST_CASE("Testing + and - operators (between Time and int)"){
    Time t1{5, 45, 56};
    Time t1_copy{5, 45, 56};
    Time t3{6, 45, 57};

    REQUIRE(t1 + 0 == t1);
    REQUIRE(t1 + 3601 == t3);
    REQUIRE(t1 == t1_copy);
    REQUIRE(t1 + 86400 == t1);
}

TEST_CASE("Testing incrementation, ++ and -- operators"){
    Time t1{5, 45, 56};
    Time t2{5, 45, 57};
    Time t1_copy{5, 45, 56};

    CHECK(t1++ == t1_copy);
    CHECK(t1 == t2);
    t2++;
    CHECK(++t1 == t2);
    CHECK(t1 == t2);

    CHECK(t2-- == t1);
    CHECK(t2 == --t1);
}

TEST_CASE("Testing comparison operators: >, <, >=, <="){
    Time t1{11, 31, 52};
    Time t2{11, 31, 52};
    Time t3{6, 45, 57};

    REQUIRE(t3 < t2);
    REQUIRE_FALSE(t1 < t2);

    REQUIRE(t1 <= t1);
    REQUIRE(t1 >= t1);
    REQUIRE(t3 <= t1);
    REQUIRE(t1 >= t3);
    REQUIRE_FALSE(t1 <= t3);
}

TEST_CASE("Testing stream operators << and >>"){
    Time t{6, 45, 57};
    Time t_check{12, 34, 23};

    ostringstream oss{};
    oss << t;
    REQUIRE(oss.str() == to_string(t));

    istringstream iss{to_string(t_check)};
    iss >> t;
    REQUIRE(t == t_check);
    REQUIRE(iss.eof());

/*************** Complementary work ***************/
/* TODO: You also need to check if the time object has been modified
 * or not, add this after fixing the issue in time.cc*/
//  --> done
/**************************************************/

    t_check = t;
    istringstream iss_fail{"16:-3:18"};
    iss_fail >> t;

    REQUIRE(iss_fail.fail());
    REQUIRE(t == t_check);
    iss_fail.clear();
}