How to use it if the project has a main

[Dmitrij Moreinis]

Hello 

I am having problems to use it with a main file. 

is there a way to add test case after each function in the main file.

Here is an example

#define CATCH_CONFIG_MAIN  // This tells Catch to provide a main() - only do this in one cpp file

#include <iostream>

#include <string>

#include <vector>

#include <cmath>

#include <map>

#include <algorithm>

#include "catch.hpp"

//using namespace std;

double a,b,c;

int indikator;

double linsolve( double b, double c )

{

 return -c/b;

}

int Typ( double a, double b , double c)

{

   if

              ((a==0)&&(b==0)&&(c==0)) indikator=1; // Fall unendlich viele Lösungen

   else if ((a==0)&&(b==0)&&(c!=0))   indikator=2;  // Fall keine Lösung

   else if (((a==0)&&(b!=0)&&(c==0))||((a==0)&&(b!=0)&&(c!=0))) indikator=3; // Fall Lineare Gleichung

   else if ((a!=0)&&(b!=0)&&(c!=0)) indikator=4; // Fall quadratische Gleichung

 return indikator;

}

/*

int main()

{

  std::cin >>  a >>  b >>  c;

  std::cout << " a ist= " << b << " b ist= " << b << " c ist= " << c << "\n";

  std::cout << " Fall " << Typ(a,b,c) << "\n";

}

*/

  TEST_CASE( "Prüfe die Fallunterscheidungen", "[Typ]" ) {

    REQUIRE( Typ(0,0,0) == 1 );

    REQUIRE( Typ(0,0,1) == 2 );

    REQUIRE( Typ(0,1,0) == 3 );

    REQUIRE( Typ(0,1,1) == 3 );

    REQUIRE( Typ(1,1,1) == 4 );

}

[Phil Nash]

Hi Dmitrij,

See https://github.com/catchorg/Catch2/blob/master/docs/own-main.md

Regards,

Phil Nash

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