summaryrefslogtreecommitdiff
path: root/tests/test-intprops.c
diff options
context:
space:
mode:
authorStephen Kitt <skitt@debian.org>2016-05-27 10:11:04 +0200
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:28:33 +0100
commit752fd7247bc223bcea35bd89cf56d1c08ead9ba6 (patch)
treeb4a428f847a963738faaf24c8eff070fdb03a3a5 /tests/test-intprops.c
parent9f7d4fa477ff2a51d7c932b13d57ac22dc033105 (diff)
parenta9a31b1de5776a3b08a82101a4fa711294f0dd1d (diff)
Imported Debian patch 0.9.6+really0.9.3-0.1debian/0.9.6+really0.9.3-0.1
Diffstat (limited to 'tests/test-intprops.c')
-rw-r--r--tests/test-intprops.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/tests/test-intprops.c b/tests/test-intprops.c
deleted file mode 100644
index 06df5a7c..00000000
--- a/tests/test-intprops.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/* Test intprops.h.
- Copyright (C) 2011-2015 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* Written by Paul Eggert. */
-
-/* Tell gcc not to warn about the many (X < 0) expressions that
- the overflow macros expand to. */
-#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
-# pragma GCC diagnostic ignored "-Wtype-limits"
-#endif
-
-#include <config.h>
-
-#include "intprops.h"
-#include "verify.h"
-
-#include <stdbool.h>
-#include <inttypes.h>
-
-#include "macros.h"
-
-/* VERIFY (X) uses a static assertion for compilers that are known to work,
- and falls back on a dynamic assertion for other compilers.
- These tests should be checkable via 'verify' rather than 'ASSERT', but
- using 'verify' would run into a bug with HP-UX 11.23 cc; see
- <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00401.html>. */
-#if __GNUC__ || __SUNPRO_C
-# define VERIFY(x) do { verify (x); } while (0)
-#else
-# define VERIFY(x) ASSERT (x)
-#endif
-
-int
-main (void)
-{
- /* Use VERIFY for tests that must be integer constant expressions,
- ASSERT otherwise. */
-
- /* TYPE_IS_INTEGER. */
- ASSERT (TYPE_IS_INTEGER (bool));
- ASSERT (TYPE_IS_INTEGER (char));
- ASSERT (TYPE_IS_INTEGER (signed char));
- ASSERT (TYPE_IS_INTEGER (unsigned char));
- ASSERT (TYPE_IS_INTEGER (short int));
- ASSERT (TYPE_IS_INTEGER (unsigned short int));
- ASSERT (TYPE_IS_INTEGER (int));
- ASSERT (TYPE_IS_INTEGER (unsigned int));
- ASSERT (TYPE_IS_INTEGER (long int));
- ASSERT (TYPE_IS_INTEGER (unsigned long int));
- ASSERT (TYPE_IS_INTEGER (intmax_t));
- ASSERT (TYPE_IS_INTEGER (uintmax_t));
- ASSERT (! TYPE_IS_INTEGER (float));
- ASSERT (! TYPE_IS_INTEGER (double));
- ASSERT (! TYPE_IS_INTEGER (long double));
-
- /* TYPE_SIGNED. */
- /* VERIFY (! TYPE_SIGNED (bool)); // not guaranteed by gnulib substitute */
- VERIFY (TYPE_SIGNED (signed char));
- VERIFY (! TYPE_SIGNED (unsigned char));
- VERIFY (TYPE_SIGNED (short int));
- VERIFY (! TYPE_SIGNED (unsigned short int));
- VERIFY (TYPE_SIGNED (int));
- VERIFY (! TYPE_SIGNED (unsigned int));
- VERIFY (TYPE_SIGNED (long int));
- VERIFY (! TYPE_SIGNED (unsigned long int));
- VERIFY (TYPE_SIGNED (intmax_t));
- VERIFY (! TYPE_SIGNED (uintmax_t));
- ASSERT (TYPE_SIGNED (float));
- ASSERT (TYPE_SIGNED (double));
- ASSERT (TYPE_SIGNED (long double));
-
- /* Integer representation. */
- VERIFY (INT_MIN + INT_MAX < 0
- ? (TYPE_TWOS_COMPLEMENT (int)
- && ! TYPE_ONES_COMPLEMENT (int) && ! TYPE_SIGNED_MAGNITUDE (int))
- : (! TYPE_TWOS_COMPLEMENT (int)
- && (TYPE_ONES_COMPLEMENT (int) || TYPE_SIGNED_MAGNITUDE (int))));
-
- /* TYPE_MINIMUM, TYPE_MAXIMUM. */
- VERIFY (TYPE_MINIMUM (char) == CHAR_MIN);
- VERIFY (TYPE_MAXIMUM (char) == CHAR_MAX);
- VERIFY (TYPE_MINIMUM (unsigned char) == 0);
- VERIFY (TYPE_MAXIMUM (unsigned char) == UCHAR_MAX);
- VERIFY (TYPE_MINIMUM (signed char) == SCHAR_MIN);
- VERIFY (TYPE_MAXIMUM (signed char) == SCHAR_MAX);
- VERIFY (TYPE_MINIMUM (short int) == SHRT_MIN);
- VERIFY (TYPE_MAXIMUM (short int) == SHRT_MAX);
- VERIFY (TYPE_MINIMUM (unsigned short int) == 0);
- VERIFY (TYPE_MAXIMUM (unsigned short int) == USHRT_MAX);
- VERIFY (TYPE_MINIMUM (int) == INT_MIN);
- VERIFY (TYPE_MAXIMUM (int) == INT_MAX);
- VERIFY (TYPE_MINIMUM (unsigned int) == 0);
- VERIFY (TYPE_MAXIMUM (unsigned int) == UINT_MAX);
- VERIFY (TYPE_MINIMUM (long int) == LONG_MIN);
- VERIFY (TYPE_MAXIMUM (long int) == LONG_MAX);
- VERIFY (TYPE_MINIMUM (unsigned long int) == 0);
- VERIFY (TYPE_MAXIMUM (unsigned long int) == ULONG_MAX);
- VERIFY (TYPE_MINIMUM (intmax_t) == INTMAX_MIN);
- VERIFY (TYPE_MAXIMUM (intmax_t) == INTMAX_MAX);
- VERIFY (TYPE_MINIMUM (uintmax_t) == 0);
- VERIFY (TYPE_MAXIMUM (uintmax_t) == UINTMAX_MAX);
-
- /* INT_BITS_STRLEN_BOUND. */
- VERIFY (INT_BITS_STRLEN_BOUND (1) == 1);
- VERIFY (INT_BITS_STRLEN_BOUND (2620) == 789);
-
- /* INT_STRLEN_BOUND, INT_BUFSIZE_BOUND. */
- #ifdef INT32_MAX /* POSIX guarantees int32_t; this ports to non-POSIX. */
- VERIFY (INT_STRLEN_BOUND (int32_t) == sizeof ("-2147483648") - 1);
- VERIFY (INT_BUFSIZE_BOUND (int32_t) == sizeof ("-2147483648"));
- #endif
- #ifdef INT64_MAX
- VERIFY (INT_STRLEN_BOUND (int64_t) == sizeof ("-9223372036854775808") - 1);
- VERIFY (INT_BUFSIZE_BOUND (int64_t) == sizeof ("-9223372036854775808"));
- #endif
-
- /* All the INT_<op>_RANGE_OVERFLOW tests are equally valid as
- INT_<op>_OVERFLOW tests, so define a single macro to do both. */
- #define CHECK_BINOP(op, a, b, min, max, overflow) \
- (INT_##op##_RANGE_OVERFLOW (a, b, min, max) == (overflow) \
- && INT_##op##_OVERFLOW (a, b) == (overflow))
- #define CHECK_UNOP(op, a, min, max, overflow) \
- (INT_##op##_RANGE_OVERFLOW (a, min, max) == (overflow) \
- && INT_##op##_OVERFLOW (a) == (overflow))
-
- /* INT_<op>_RANGE_OVERFLOW, INT_<op>_OVERFLOW. */
- VERIFY (INT_ADD_RANGE_OVERFLOW (INT_MAX, 1, INT_MIN, INT_MAX));
- VERIFY (INT_ADD_OVERFLOW (INT_MAX, 1));
- VERIFY (CHECK_BINOP (ADD, INT_MAX, 1, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (ADD, INT_MAX, -1, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_BINOP (ADD, INT_MIN, 1, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_BINOP (ADD, INT_MIN, -1, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (ADD, UINT_MAX, 1u, 0u, UINT_MAX, true));
- VERIFY (CHECK_BINOP (ADD, 0u, 1u, 0u, UINT_MAX, false));
-
- VERIFY (CHECK_BINOP (SUBTRACT, INT_MAX, 1, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_BINOP (SUBTRACT, INT_MAX, -1, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (SUBTRACT, INT_MIN, 1, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (SUBTRACT, INT_MIN, -1, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_BINOP (SUBTRACT, UINT_MAX, 1u, 0u, UINT_MAX, false));
- VERIFY (CHECK_BINOP (SUBTRACT, 0u, 1u, 0u, UINT_MAX, true));
-
- VERIFY (CHECK_UNOP (NEGATE, INT_MIN, INT_MIN, INT_MAX,
- TYPE_TWOS_COMPLEMENT (int)));
- VERIFY (CHECK_UNOP (NEGATE, 0, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_UNOP (NEGATE, INT_MAX, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_UNOP (NEGATE, 0u, 0u, UINT_MAX, false));
- VERIFY (CHECK_UNOP (NEGATE, 1u, 0u, UINT_MAX, true));
- VERIFY (CHECK_UNOP (NEGATE, UINT_MAX, 0u, UINT_MAX, true));
-
- VERIFY (CHECK_BINOP (MULTIPLY, INT_MAX, INT_MAX, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (MULTIPLY, INT_MAX, INT_MIN, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (MULTIPLY, INT_MIN, INT_MAX, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (MULTIPLY, INT_MIN, INT_MIN, INT_MIN, INT_MAX, true));
- VERIFY (CHECK_BINOP (MULTIPLY, -1, INT_MIN, INT_MIN, INT_MAX,
- INT_NEGATE_OVERFLOW (INT_MIN)));
- VERIFY (CHECK_BINOP (MULTIPLY, LONG_MIN / INT_MAX, (long int) INT_MAX,
- LONG_MIN, LONG_MIN, false));
-
- VERIFY (CHECK_BINOP (DIVIDE, INT_MIN, -1, INT_MIN, INT_MAX,
- INT_NEGATE_OVERFLOW (INT_MIN)));
- VERIFY (CHECK_BINOP (DIVIDE, INT_MAX, 1, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_BINOP (DIVIDE, (unsigned int) INT_MIN,
- -1u, 0u, UINT_MAX, false));
-
- VERIFY (CHECK_BINOP (REMAINDER, INT_MIN, -1, INT_MIN, INT_MAX,
- INT_NEGATE_OVERFLOW (INT_MIN)));
- VERIFY (CHECK_BINOP (REMAINDER, INT_MAX, 1, INT_MIN, INT_MAX, false));
- VERIFY (CHECK_BINOP (REMAINDER, (unsigned int) INT_MIN,
- -1u, 0u, UINT_MAX, false));
-
- VERIFY (CHECK_BINOP (LEFT_SHIFT, UINT_MAX, 1, 0u, UINT_MAX, true));
- VERIFY (CHECK_BINOP (LEFT_SHIFT, UINT_MAX / 2 + 1, 1, 0u, UINT_MAX, true));
- VERIFY (CHECK_BINOP (LEFT_SHIFT, UINT_MAX / 2, 1, 0u, UINT_MAX, false));
-
- /* INT_<op>_OVERFLOW with mixed types. */
- #define CHECK_SUM(a, b, overflow) \
- VERIFY (INT_ADD_OVERFLOW (a, b) == (overflow)); \
- VERIFY (INT_ADD_OVERFLOW (b, a) == (overflow))
- CHECK_SUM (-1, LONG_MIN, true);
- CHECK_SUM (-1, UINT_MAX, false);
- CHECK_SUM (-1L, INT_MIN, INT_MIN == LONG_MIN);
- CHECK_SUM (0u, -1, true);
- CHECK_SUM (0u, 0, false);
- CHECK_SUM (0u, 1, false);
- CHECK_SUM (1, LONG_MAX, true);
- CHECK_SUM (1, UINT_MAX, true);
- CHECK_SUM (1L, INT_MAX, INT_MAX == LONG_MAX);
- CHECK_SUM (1u, INT_MAX, INT_MAX == UINT_MAX);
- CHECK_SUM (1u, INT_MIN, true);
-
- VERIFY (! INT_SUBTRACT_OVERFLOW (INT_MAX, 1u));
- VERIFY (! INT_SUBTRACT_OVERFLOW (UINT_MAX, 1));
- VERIFY (! INT_SUBTRACT_OVERFLOW (0u, -1));
- VERIFY (INT_SUBTRACT_OVERFLOW (UINT_MAX, -1));
- VERIFY (INT_SUBTRACT_OVERFLOW (INT_MIN, 1u));
- VERIFY (INT_SUBTRACT_OVERFLOW (-1, 0u));
-
- #define CHECK_PRODUCT(a, b, overflow) \
- VERIFY (INT_MULTIPLY_OVERFLOW (a, b) == (overflow)); \
- VERIFY (INT_MULTIPLY_OVERFLOW (b, a) == (overflow))
-
- CHECK_PRODUCT (-1, 1u, true);
- CHECK_PRODUCT (-1, INT_MIN, INT_NEGATE_OVERFLOW (INT_MIN));
- CHECK_PRODUCT (-1, UINT_MAX, true);
- CHECK_PRODUCT (-12345, LONG_MAX / -12345 - 1, true);
- CHECK_PRODUCT (-12345, LONG_MAX / -12345, false);
- CHECK_PRODUCT (0, -1, false);
- CHECK_PRODUCT (0, 0, false);
- CHECK_PRODUCT (0, 0u, false);
- CHECK_PRODUCT (0, 1, false);
- CHECK_PRODUCT (0, INT_MAX, false);
- CHECK_PRODUCT (0, INT_MIN, false);
- CHECK_PRODUCT (0, UINT_MAX, false);
- CHECK_PRODUCT (0u, -1, false);
- CHECK_PRODUCT (0u, 0, false);
- CHECK_PRODUCT (0u, 0u, false);
- CHECK_PRODUCT (0u, 1, false);
- CHECK_PRODUCT (0u, INT_MAX, false);
- CHECK_PRODUCT (0u, INT_MIN, false);
- CHECK_PRODUCT (0u, UINT_MAX, false);
- CHECK_PRODUCT (1, INT_MAX, false);
- CHECK_PRODUCT (1, INT_MIN, false);
- CHECK_PRODUCT (1, UINT_MAX, false);
- CHECK_PRODUCT (1u, INT_MIN, true);
- CHECK_PRODUCT (1u, INT_MAX, UINT_MAX < INT_MAX);
- CHECK_PRODUCT (INT_MAX, UINT_MAX, true);
- CHECK_PRODUCT (INT_MAX, ULONG_MAX, true);
- CHECK_PRODUCT (INT_MIN, LONG_MAX / INT_MIN - 1, true);
- CHECK_PRODUCT (INT_MIN, LONG_MAX / INT_MIN, false);
- CHECK_PRODUCT (INT_MIN, UINT_MAX, true);
- CHECK_PRODUCT (INT_MIN, ULONG_MAX, true);
-
- VERIFY (INT_DIVIDE_OVERFLOW (INT_MIN, -1L)
- == (TYPE_TWOS_COMPLEMENT (long int) && INT_MIN == LONG_MIN));
- VERIFY (! INT_DIVIDE_OVERFLOW (INT_MIN, UINT_MAX));
- VERIFY (! INT_DIVIDE_OVERFLOW (INTMAX_MIN, UINTMAX_MAX));
- VERIFY (! INT_DIVIDE_OVERFLOW (INTMAX_MIN, UINT_MAX));
- VERIFY (INT_DIVIDE_OVERFLOW (-11, 10u));
- VERIFY (INT_DIVIDE_OVERFLOW (-10, 10u));
- VERIFY (! INT_DIVIDE_OVERFLOW (-9, 10u));
- VERIFY (INT_DIVIDE_OVERFLOW (11u, -10));
- VERIFY (INT_DIVIDE_OVERFLOW (10u, -10));
- VERIFY (! INT_DIVIDE_OVERFLOW (9u, -10));
-
- VERIFY (INT_REMAINDER_OVERFLOW (INT_MIN, -1L)
- == (TYPE_TWOS_COMPLEMENT (long int) && INT_MIN == LONG_MIN));
- VERIFY (INT_REMAINDER_OVERFLOW (-1, UINT_MAX));
- VERIFY (INT_REMAINDER_OVERFLOW ((intmax_t) -1, UINTMAX_MAX));
- VERIFY (INT_REMAINDER_OVERFLOW (INTMAX_MIN, UINT_MAX)
- == (INTMAX_MAX < UINT_MAX
- && - (unsigned int) INTMAX_MIN % UINT_MAX != 0));
- VERIFY (INT_REMAINDER_OVERFLOW (INT_MIN, ULONG_MAX)
- == (INT_MIN % ULONG_MAX != 1));
- VERIFY (! INT_REMAINDER_OVERFLOW (1u, -1));
- VERIFY (! INT_REMAINDER_OVERFLOW (37*39u, -39));
- VERIFY (INT_REMAINDER_OVERFLOW (37*39u + 1, -39));
- VERIFY (INT_REMAINDER_OVERFLOW (37*39u - 1, -39));
- VERIFY (! INT_REMAINDER_OVERFLOW (LONG_MAX, -INT_MAX));
-
- return 0;
-}