text: #define CATCH_CONFIG_MAIN
  #include <iostream>
  #include "./lib/catch.hpp"
  #include "../cpp/webdsp.cpp"
  
  TEST_CASE("Testing simple doubler function", "[doubler]") {
  
    SECTION("Doubling simple positive and negative integers") {
      REQUIRE( doubler(1) == 2 );
      REQUIRE( doubler(100) == 200);
    }
    SECTION("Testing edge cases") {
      REQUIRE( doubler(0) == 0 );
      REQUIRE( doubler(-1) == -2);
      REQUIRE( doubler(12.75) == 24);
    }
  }