updated the test with something more useful

Author: imakris

tests/main.cpp

@@ -1,13 +1,27 @@
 #include <glatter/glatter.h>
 #include <stdio.h>
 
+// This test verifies the primary purpose of glatter: loading a modern,
+// dynamically-resolved OpenGL function.
+//
+// We use glGenBuffers because it is not an OpenGL 1.1
+// function and must be resolved by the loader's getProcAddress mechanism.
+//
+// We only need this code to COMPILE and LINK successfully in the CI.
+//
 int main() {
-    glatter_set_wsi(GLATTER_WSI_AUTO_VALUE);
-    printf("Glatter integration test compiled and linked successfully.\n");
-    
-    if (glatter_glGetString) {
-        printf("A glatter function pointer is available.\n");
-    }
+    printf("Attempting to link against a modern OpenGL function (glGenBuffers)...\n");
+
+    // These are the arguments needed to call glGenBuffers.
+    // Their values are irrelevant; they just need to satisfy the compiler.
+    GLuint buffer_id = 0;
+    GLsizei n = 1;
+
+    // This is the real test. If this line compiles and links, it proves
+    // the glatter macro and the underlying function pointer resolution work.
+    glGenBuffers(n, &buffer_id);
+
+    printf("Glatter modern OpenGL call integration test built successfully.\n");
 
     return 0;
-}
+}