X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Finttypes%2Fstrtoimax.c;h=f58a0be9f0aa2189bfb1e9976b5b100b96431033;hp=5bd7ec6daee1b2e4298cec5bf77522b667ad4b11;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=598c0675c5229ecfd5a7aa31a9f02c392b9e1e9d diff --git a/functions/inttypes/strtoimax.c b/functions/inttypes/strtoimax.c index 5bd7ec6..f58a0be 100644 --- a/functions/inttypes/strtoimax.c +++ b/functions/inttypes/strtoimax.c @@ -1,5 +1,3 @@ -/* $Id$ */ - /* strtoimax( const char *, char * *, int ) This file is part of the Public Domain C Library (PDCLib). @@ -34,7 +32,7 @@ intmax_t strtoimax( const char * _PDCLIB_restrict nptr, char ** _PDCLIB_restrict #endif #ifdef TEST -#include <_PDCLIB_test.h> +#include "_PDCLIB_test.h" #include @@ -88,7 +86,7 @@ int main( void ) /* 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 ); @@ -100,9 +98,21 @@ int main( void ) 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 ); @@ -114,7 +124,19 @@ int main( void ) 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