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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [objc.dg/] [comp-types-4.m] - Rev 320
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/* Test warnings for assignments and comparisons between ObjC and C types. */ /* Author: Nicola Pero <nicola@brainstorm.co.uk>. */ /* { dg-do compile } */ #include <objc/objc.h> /* The NeXT runtime headers do not define NULL. */ #ifndef NULL #define NULL ((void *)0) #endif @protocol MyProtocol - (void) method; @end @interface MyClass @end int main() { id obj = nil; id <MyProtocol> obj_p = nil; MyClass *obj_c = nil; Class obj_C = Nil; int i = 0; int *j = NULL; /* These should all generate warnings. */ obj = i; /* { dg-warning "pointer from integer without a cast" } */ obj = j; /* { dg-warning "incompatible pointer type" } */ obj_p = i; /* { dg-warning "pointer from integer without a cast" } */ obj_p = j; /* { dg-warning "incompatible pointer type" } */ obj_c = i; /* { dg-warning "pointer from integer without a cast" } */ obj_c = j; /* { dg-warning "incompatible pointer type" } */ obj_C = i; /* { dg-warning "pointer from integer without a cast" } */ obj_C = j; /* { dg-warning "incompatible pointer type" } */ i = obj; /* { dg-warning "integer from pointer without a cast" } */ i = obj_p; /* { dg-warning "integer from pointer without a cast" } */ i = obj_c; /* { dg-warning "integer from pointer without a cast" } */ i = obj_C; /* { dg-warning "integer from pointer without a cast" } */ j = obj; /* { dg-warning "incompatible pointer type" } */ j = obj_p; /* { dg-warning "incompatible pointer type" } */ j = obj_c; /* { dg-warning "incompatible pointer type" } */ j = obj_C; /* { dg-warning "incompatible pointer type" } */ if (obj == i) ; /* { dg-warning "comparison between pointer and integer" } */ if (i == obj) ; /* { dg-warning "comparison between pointer and integer" } */ if (obj == j) ; /* { dg-warning "lacks a cast" } */ if (j == obj) ; /* { dg-warning "lacks a cast" } */ if (obj_c == i) ; /*{ dg-warning "comparison between pointer and integer" }*/ if (i == obj_c) ; /*{ dg-warning "comparison between pointer and integer" }*/ if (obj_c == j) ; /* { dg-warning "lacks a cast" } */ if (j == obj_c) ; /* { dg-warning "lacks a cast" } */ if (obj_p == i) ; /*{ dg-warning "comparison between pointer and integer" }*/ if (i == obj_p) ; /*{ dg-warning "comparison between pointer and integer" }*/ if (obj_p == j) ; /* { dg-warning "lacks a cast" } */ if (j == obj_p) ; /* { dg-warning "lacks a cast" } */ if (obj_C == i) ; /*{ dg-warning "comparison between pointer and integer" }*/ if (i == obj_C) ; /*{ dg-warning "comparison between pointer and integer" }*/ if (obj_C == j) ; /* { dg-warning "lacks a cast" } */ if (j == obj_C) ; /* { dg-warning "lacks a cast" } */ return 0; }
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