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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [objc.dg/] [bitfield-3.m] - Rev 329
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/* Check if the @defs() construct preserves the correct layout of bitfields. */ /* Contributed by Ziemowit Laski <zlaski@apple.com>. */ /* { dg-options "-Wpadded" } */ /* { dg-do run } */ #include "../objc-obj-c++-shared/Object1.h" extern void abort(void); extern int strcmp(const char *str1, const char *str2); #define CHECK_IF(expr) if(!(expr)) abort() enum Enum { one, two, three, four }; @interface Base: Object { unsigned a: 2; int b: 3; enum Enum c: 4; unsigned d: 5; } /* { dg-warning "padding struct size to alignment boundary" } */ @end @interface Derived: Base { signed e: 5; int f: 4; enum Enum g: 3; } /* { dg-warning "padding struct size to alignment boundary" } */ @end /* Note that the semicolon after @defs(...) is optional. */ typedef struct { @defs(Base) } Base_t; /* { dg-warning "padding struct size to alignment boundary" } */ typedef struct { @defs(Derived); } Derived_t; /* { dg-warning "padding struct size to alignment boundary" } */ int main(void) { CHECK_IF(sizeof(Base_t) == sizeof(Base)); CHECK_IF(sizeof(Derived_t) == sizeof(Derived)); #ifdef __NEXT_RUNTIME__ CHECK_IF(!strcmp(@encode(Base), "{Base=#b2b3b4b5}")); CHECK_IF(!strcmp(@encode(Derived), "{Derived=#b2b3b4b5b5b4b3}")); CHECK_IF(!strcmp(@encode(Base_t), "{?=#b2b3b4b5}")); CHECK_IF(!strcmp(@encode(Derived_t), "{?=#b2b3b4b5b5b4b3}")); #endif /* __NEXT_RUNTIME__ */ return 0; }
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