class A { public: A() : member_ (0) {}; int member_; }; class B : public A {}; typedef A TA1; typedef A TA2; typedef TA2 TA3; enum my_enum {MY_A, MY_B, MY_C, MY_D}; /* Without this variable older 'enum my_enum' incl. its 'MY_A' would be omitted by older versions of GCC (~4.1) failing the testcase using it below. */ enum my_enum my_enum_var; int foo0_1 (TA1) { return 1; } int foo0_2 (TA3) { return 2; } int foo0_3 (A***) { return 3; } int foo1_1 (char *) {return 11;} int foo1_2 (char[]) {return 12;} int foo1_3 (int*) {return 13;} int foo1_4 (A*) {return 14;} int foo1_5 (void*) {return 15;} int foo1_6 (void**) {return 16;} int foo1_7 (bool) {return 17;} int foo1_8 (long) {return 18;} int foo2_1 (char** ) {return 21;} int foo2_2 (char[][1]) {return 22;} int foo2_3 (char *[]) {return 23;} int foo2_4 (int *[]) {return 24;} int foo3_1 (int a, const char **b) { return 31; } int foo3_2 (int a, int b) { return 32; } int foo3_2 (int a, const char **b) { return 320; } int foo1_type_check (char *a) { return 1000; } int foo2_type_check (char *a, char *b) { return 1001; } int foo3_type_check (char *a, char *b, char *c) { return 1002; } int main() { TA2 ta; // typedef to.. foo0_1 (ta); // ..another typedef foo0_2 (ta); // ..typedef of a typedef B*** bppp; // Pointer-to-pointer-to-pointer-to-derived.. //foo0_3(bppp); // Pointer-to-pointer-to-pointer base. foo0_3((A***)bppp); // to ensure that the function is emitted. char *a; // pointer to.. B *bp; foo1_1 (a); // ..pointer foo1_2 (a); // ..array foo1_3 ((int*)a); // ..pointer of wrong type foo1_3 ((int*)bp); // ..pointer of wrong type foo1_4 (bp); // ..ancestor pointer foo1_5 (bp); // ..void pointer foo1_6 ((void**)bp); // ..void pointer pointer foo1_7 (bp); // ..boolean foo1_8 ((long)bp); // ..long int char **b; // pointer pointer to.. char ba[1][1]; foo1_5 (b); // ..void pointer foo2_1 (b); // ..pointer pointer foo2_2 (ba); // ..array of arrays foo2_3 (b); // ..array of pointers foo2_4 ((int**)b); // ..array of wrong pointers // X to boolean conversions allowed by the standard int integer = 0; long long_int = 1; float fp = 1.0; double dp = 1.0; foo1_7 (integer); // integer to boolean foo1_7 (long_int); // long to boolean foo1_7 (*a); // char to boolean foo1_7 (MY_A); // unscoped enum to boolean /* converts.exp tests the next statement directly. It is not compiled here for verification because older versions of GCC (~4.1) fail to compile it: warning: the address of 'int foo1_7(bool)' will always evaluate as true foo1_7 (&foo1_7); // pointer to boolean */ foo1_7 (&A::member_); // pointer to member to boolean foo1_7 (a); // pointer to boolean foo1_7 (fp); // float to boolean foo1_7 (dp); // double to boolean foo3_1 (0, 0); foo3_2 (0, static_cast (0)); foo3_2 (0, 0); foo1_type_check (a); foo2_type_check (a, a); foo3_type_check (a, a, a); return 0; // end of main }