Is possible call a TEST_CASE like a function?

[p4535992]

Hi, i just started using Catch, so forgive me if this is a dumb question or i miss some reference on the documentation, i want to call from a int main(){...} function under the 'src' folder the TEST_CASE allocate under the 'test' folder, like this:
File src/main.cpp

#include "catch.hpp"
int main(int argc, char **argv) {

    // Call CATCH TEST on a different cpp file ( this is a pseudo code)    
    TEST_CASE("testRectangle()")

    // OTHER THINGS 
    cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!!
    return 0;
}

File test/TestRectangle.cpp

#include "catch.hpp"
#include "Rectangle.h"

TEST_CASE("testRectangle()","[Rectangle]" ){
    Point p1(2, 3);
    Point p2(4, 8);
    Rectangle r1(p1, p2);
    REQUIRE(r1.getTopLeft() == p1);
    REQUIRE(r1.getBottomRight() == p2);
    Shape* pS = new Rectangle();
    delete pS;
    pS = new Rectangle(p1, p2);
    delete pS;
}

TEST_CASE("testDraw() ","[Rectangle]" ){
    Point p1(2, 3);
    Point p2(4, 8);
    Rectangle::Rectangle r1(p1, p2);
    bool result = r1.draw();
    REQUIRE(result==true);
}

Is possible doing that?
Ty in advance.

[czipperz]

Catch already registers tests and runs them automatically with TEST_CASE. See the tutorial:

Put this in main.cpp:

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

If you want to do stuff before / after the tests are run, see own-main:

#define CATCH_CONFIG_RUNNER
#include "catch.hpp"

int main( int argc, char* const argv[] )
{
  // global setup...

  int result = Catch::Session().run( argc, argv );

  // global clean-up...

  return result;
}

If you look at the source code for TEST_CASE, it creates a semi-random function name. Use the following to be able to call these test functions from others (which you shouldn't do probably):

#include "catch.hpp"
void testRectangle() {
...
}

// global variable!
namespace {
Catch::AutoReg closer(&testRectangle, CATCH_INTERNAL_LINEINFO,
                      Catch::NameAndDesc("testRectangle()", "[Rectangle]"));
}

[p4535992]

Ty very much , i accept this.

[PureAbstract]

@czipperz "it creates a semi-random function name"

Strictly speaking, it's not at all random - it's entirely deterministic.

[czipperz]

Yes, it's just based on the line number, but that is unpredictable when you edit the file