This is a raylib test code checker to check whether raylib is installed into the system or not.

test.c

#include "raylib.h"

// A test code  which can be use to check whether raylib is installed correclty into the system or not.
int main(void) {
    const int screenWidth = 800;
    const int screenHeight = 450;

    InitWindow(screenWidth, screenHeight, "raylib test window");

    while (!WindowShouldClose()) {
        BeginDrawing();
        ClearBackground(RAYWHITE);
        DrawText("Congrats! You installed raylib!", 190, 200, 20, LIGHTGRAY);
        EndDrawing();
    }

    CloseWindow();

    return 0;
}