/* platform to test this on? */
errno = 0;
#if INTMAX_MAX >> 62 == 1
- /* testing "even" overflow, i.e. base is power of two */
+ /* testing "odd" overflow, i.e. base is not a power of two */
TESTCASE( strtoimax( "9223372036854775807", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "9223372036854775808", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-9223372036854775809", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
- /* TODO: test "odd" overflow, i.e. base is not power of two */
-#elif LLONG_MAX >> 126 == 1
/* testing "even" overflow, i.e. base is power of two */
+ errno = 0;
+ TESTCASE( strtoimax( "0x7fffffffffffffff", NULL, 0 ) == INTMAX_MAX );
+ TESTCASE( errno == 0 );
+ TESTCASE( strtoimax( "0x8000000000000000", NULL, 0 ) == INTMAX_MAX );
+ TESTCASE( errno == ERANGE );
+ errno = 0;
+ TESTCASE( strtoimax( "-0x7fffffffffffffff", NULL, 0 ) == (INTMAX_MIN + 1) );
+ TESTCASE( errno == 0 );
+ TESTCASE( strtoimax( "-0x8000000000000000", NULL, 0 ) == INTMAX_MIN );
+ TESTCASE( errno == 0 );
+ TESTCASE( strtoimax( "-0x8000000000000001", NULL, 0 ) == INTMAX_MIN );
+ TESTCASE( errno == ERANGE );
+#elif LLONG_MAX >> 126 == 1
+ /* testing "odd" overflow, i.e. base is not a power of two */
TESTCASE( strtoimax( "170141183460469231731687303715884105728", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "170141183460469231731687303715884105729", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-170141183460469231731687303715884105730", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
- /* TODO: test "odd" overflow, i.e. base is not power of two */
+ /* testing "even" overflow, i.e. base is power of two */
+ errno = 0;
+ TESTCASE( strtoimax( "0x7fffffffffffffffffffffffffffffff", NULL, 0 ) == INTMAX_MAX );
+ TESTCASE( errno == 0 );
+ TESTCASE( strtoimax( "0x80000000000000000000000000000000", NULL, 0 ) == INTMAX_MAX );
+ TESTCASE( errno == ERANGE );
+ errno = 0;
+ TESTCASE( strtoimax( "-0x7fffffffffffffffffffffffffffffff", NULL, 0 ) == (INTMAX_MIN + 1) );
+ TESTCASE( errno == 0 );
+ TESTCASE( strtoimax( "-0x80000000000000000000000000000000", NULL, 0 ) == INTMAX_MIN );
+ TESTCASE( errno == 0 );
+ TESTCASE( strtoimax( "-0x80000000000000000000000000000001", NULL, 0 ) == INTMAX_MIN );
+ TESTCASE( errno == ERANGE );
#else
#error Unsupported width of 'intmax_t' (neither 64 nor 128 bit).
#endif