From 8ffec2a3aba6f114784e11f89ef1d57a096ae540 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 19:39:29 +0200 Subject: Adding upstream version 8.32. Signed-off-by: Daniel Baumann --- gnulib-tests/test-vasnprintf.c | 121 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 gnulib-tests/test-vasnprintf.c (limited to 'gnulib-tests/test-vasnprintf.c') diff --git a/gnulib-tests/test-vasnprintf.c b/gnulib-tests/test-vasnprintf.c new file mode 100644 index 0000000..018f845 --- /dev/null +++ b/gnulib-tests/test-vasnprintf.c @@ -0,0 +1,121 @@ +/* Test of vasnprintf() and asnprintf() functions. + Copyright (C) 2007-2020 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 . */ + +/* Written by Bruno Haible , 2007. */ + +#include + +#include "vasnprintf.h" + +#include +#include +#include + +#include "macros.h" + +static void +test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) +{ + char buf[8]; + int size; + + for (size = 0; size <= 8; size++) + { + size_t length = size; + char *result = my_asnprintf (NULL, &length, "%d", 12345); + ASSERT (result != NULL); + ASSERT (strcmp (result, "12345") == 0); + ASSERT (length == 5); + free (result); + } + + for (size = 0; size <= 8; size++) + { + size_t length; + char *result; + + memcpy (buf, "DEADBEEF", 8); + length = size; + result = my_asnprintf (buf, &length, "%d", 12345); + ASSERT (result != NULL); + ASSERT (strcmp (result, "12345") == 0); + ASSERT (length == 5); + if (size < 5 + 1) + ASSERT (result != buf); + ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0); + if (result != buf) + free (result); + } + + /* Note: This test assumes IEEE 754 representation of 'double' floats. */ + for (size = 0; size <= 8; size++) + { + size_t length; + char *result; + + memcpy (buf, "DEADBEEF", 8); + length = size; + result = my_asnprintf (buf, &length, "%2.0f", 1.6314159265358979e+125); + ASSERT (result != NULL); + /* The exact result and the result on glibc systems is + 163141592653589790215729350939528493057529598899734151772468186268423257777068536614838678161083520756952076273094236944990208 + On Cygwin, the result is + 163141592653589790215729350939528493057529600000000000000000000000000000000000000000000000000000000000000000000000000000000000 + On HP-UX 11.31 / hppa and IRIX 6.5, the result is + 163141592653589790000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 + */ + ASSERT (strlen (result) == 126); + ASSERT (memcmp (result, "163141592653589790", 18) == 0); + ASSERT (length == 126); + if (size < 126 + 1) + ASSERT (result != buf); + ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0); + if (result != buf) + free (result); + } +} + +static char * +my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...) +{ + va_list args; + char *ret; + + va_start (args, format); + ret = vasnprintf (resultbuf, lengthp, format, args); + va_end (args); + return ret; +} + +static void +test_vasnprintf () +{ + test_function (my_asnprintf); +} + +static void +test_asnprintf () +{ + test_function (asnprintf); +} + +int +main (int argc, char *argv[]) +{ + test_vasnprintf (); + test_asnprintf (); + return 0; +} -- cgit v1.2.3