/* load-3.m Author: Ovidiu Predescu Date: June 3, 2001 Test if the +load methods are invoked, and are invoked in the proper order. */ #include #include @interface A : Object @end @interface B : A @end static a_load = 0; static b_load = 0; static a_category_load = 0; static b_category_load = 0; @implementation A (Category) + (void)load { a_category_load = 1; printf("+[A(Category) load]\n"); if (a_load != 1) { printf("+load for A(Category) invoked before A's!\n"); abort(); } } @end @implementation B(Category) + (void)load { b_category_load = 1; printf("+[B(Category) load]\n"); if (b_load != 1) { printf ("+load for B(Category) invoked before B!\n"); abort(); } } @end @implementation B + (void)load { b_load = 1; printf("+[B load]\n"); if (a_load != 1) { printf("+load for B invoked before A's!\n"); abort(); } if (b_category_load != 0) { printf("+load for B invoked after B(Category)!\n"); abort(); } } @end @implementation A + (void)load { a_load = 1; printf("+[A load]\n"); if (a_category_load != 0) { printf("+load for A(Category) invoked before A!\n"); abort(); } if (b_load != 0) { printf("+load for A invoked after B!\n"); abort(); } if (b_category_load != 0) { printf("+load for B(Category) invoked before A and B!\n"); abort(); } } @end int main (void) { if (a_load + b_load + a_category_load + b_category_load != 4) { printf("Not all +load methods invoked!\n"); abort(); } return 0; }