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New testcase for cpp, written by Kaveh Ghazi <ghazi@caip.rutgers.edu>

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From-SVN: r25398
This commit is contained in:
Zack Weinberg 1999-02-24 11:09:08 +00:00
parent c7b2eb810e
commit d2ae3ff54e
1 changed files with 23 additions and 0 deletions
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23
gcc/testsuite/gcc.dg/cpp-if3.c Normal file
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/* { dg-do preprocess } */
/* { dg-options -pedantic-errors } */
#define U_MAX 4294967295U
#define ULL_MAX 18446744073709551615ULL
#define LL_MAX 9223372036854775807LL
#define LL_MIN (-LL_MAX-1)
/* Check simple truncation. */
#if U_MAX == ULL_MAX || LL_MIN == 0 || LL_MAX == -1
#error "simple truncation" /* { dg-bogus "trunc" "simple truncation" } */
#endif
/* Check left/right shifting with all bits set and with one bit set. */
#if !(~0ULL >> 63) || !(~0ULL << 63) || !(~0LL >> 63) || !(~0LL << 63) || \
!(LL_MIN >> 63) || !(1LL << 63) || !(ULL_MAX >> 63) || !(1ULL << 63)
#error "bit shift truncation" /* { dg-bogus "trunc" "bit shift truncation" } */
#endif
/* Check math expressions. */
#if (2ULL * U_MAX < U_MAX) || (1ULL + U_MAX < U_MAX)
#error "math truncation" /* { dg-bogus "trunc" "math truncation" } */
#endif