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