From ffd3c1bee8a5ad6aac459436d9a438762d7320d3 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Wed, 7 Mar 2007 03:28:35 +0000 Subject: [PATCH] Tests for module 'vsprintf-posix'. --- ChangeLog | 4 + modules/vsprintf-posix-tests | 15 ++ tests/test-sprintf-posix.h | 611 +++++++++++++++++++++++++++++++++++++++++++ tests/test-vsprintf-posix.c | 53 ++++ 4 files changed, 683 insertions(+) create mode 100644 modules/vsprintf-posix-tests create mode 100644 tests/test-sprintf-posix.h create mode 100644 tests/test-vsprintf-posix.c diff --git a/ChangeLog b/ChangeLog index 278015af5..f2340fa2f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2007-03-06 Bruno Haible + * modules/vsprintf-posix-tests: New file. + * tests/test-vsprintf-posix.c: New file. + * tests/test-sprintf-posix.h: New file. + * modules/vsprintf-posix: New file. * lib/vsprintf.c: New file. * m4/vsprintf-posix.m4: New file. diff --git a/modules/vsprintf-posix-tests b/modules/vsprintf-posix-tests new file mode 100644 index 000000000..152e5b3ee --- /dev/null +++ b/modules/vsprintf-posix-tests @@ -0,0 +1,15 @@ +Files: +tests/test-vsprintf-posix.c +tests/test-sprintf-posix.h +m4/longdouble.m4 + +Depends-on: +stdint + +configure.ac: +AC_REQUIRE([gt_TYPE_LONGDOUBLE]) + +Makefile.am: +TESTS += test-vsprintf-posix +check_PROGRAMS += test-vsprintf-posix + diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h new file mode 100644 index 000000000..1efd931e7 --- /dev/null +++ b/tests/test-sprintf-posix.h @@ -0,0 +1,611 @@ +/* Test of POSIX compatible vsprintf() and sprintf() functions. + Copyright (C) 2007 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible , 2007. */ + +static void +test_function (int (*my_sprintf) (char *, const char *, ...)) +{ + char buf[8]; + + /* Test return value convention. */ + + { + int retval; + + memcpy (buf, "DEADBEEF", 8); + retval = my_sprintf (buf, "%d", 12345); + ASSERT (retval == 5); + ASSERT (memcmp (buf, "12345\0EF", 8) == 0); + } + + /* Test support of size specifiers as in C99. */ + + { + char result[1000]; + int retval = + my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55); + ASSERT (strcmp (result, "12345671 33") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55); + ASSERT (strcmp (result, "12345672 33") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55); + ASSERT (strcmp (result, "12345673 33") == 0); + ASSERT (retval == strlen (result)); + } + +#if HAVE_LONG_DOUBLE + { + char result[1000]; + int retval = + my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55); + ASSERT (strcmp (result, "1.5 33") == 0); + ASSERT (retval == strlen (result)); + } +#endif + + /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal + output of floating-point numbers. */ + + { /* A positive number. */ + char result[1000]; + int retval = + my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55); + ASSERT (strcmp (result, "0x1.922p+1 33") == 0 + || strcmp (result, "0x3.244p+0 33") == 0 + || strcmp (result, "0x6.488p-1 33") == 0 + || strcmp (result, "0xc.91p-2 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* A negative number. */ + char result[1000]; + int retval = + my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55); + ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 + || strcmp (result, "-0X3.244P+0 33") == 0 + || strcmp (result, "-0X6.488P-1 33") == 0 + || strcmp (result, "-0XC.91P-2 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Positive zero. */ + char result[1000]; + int retval = + my_sprintf (result, "%a %d", 0.0, 33, 44, 55); + ASSERT (strcmp (result, "0x0p+0 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Negative zero. */ + char result[1000]; + int retval = + my_sprintf (result, "%a %d", -0.0, 33, 44, 55); + ASSERT (strcmp (result, "-0x0p+0 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Positive infinity. */ + char result[1000]; + int retval = + my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55); + ASSERT (strcmp (result, "inf 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Negative infinity. */ + char result[1000]; + int retval = + my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55); + ASSERT (strcmp (result, "-inf 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* NaN. */ + char result[1000]; + int retval = + my_sprintf (result, "%a %d", 0.0 / 0.0, 33, 44, 55); + ASSERT (strcmp (result, "nan 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding near the decimal point. */ + char result[1000]; + int retval = + my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55); + ASSERT (strcmp (result, "0x2p+0 33") == 0 + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 0. */ + char result[1000]; + int retval = + my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55); + ASSERT (strcmp (result, "0x2p+0 33") == 0 + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 1. */ + char result[1000]; + int retval = + my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55); + ASSERT (strcmp (result, "0x1.8p+0 33") == 0 + || strcmp (result, "0x3.0p-1 33") == 0 + || strcmp (result, "0x6.1p-2 33") == 0 + || strcmp (result, "0xc.1p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 2. */ + char result[1000]; + int retval = + my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55); + ASSERT (strcmp (result, "0x1.83p+0 33") == 0 + || strcmp (result, "0x3.05p-1 33") == 0 + || strcmp (result, "0x6.0ap-2 33") == 0 + || strcmp (result, "0xc.14p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 3. */ + char result[1000]; + int retval = + my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55); + ASSERT (strcmp (result, "0x1.829p+0 33") == 0 + || strcmp (result, "0x3.052p-1 33") == 0 + || strcmp (result, "0x6.0a4p-2 33") == 0 + || strcmp (result, "0xc.148p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding can turn a ...FFF into a ...000. */ + char result[1000]; + int retval = + my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55); + ASSERT (strcmp (result, "0x1.800p+0 33") == 0 + || strcmp (result, "0x3.000p-1 33") == 0 + || strcmp (result, "0x6.000p-2 33") == 0 + || strcmp (result, "0xc.000p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding can turn a ...FFF into a ...000. + This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */ + char result[1000]; + int retval = + my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55); + ASSERT (strcmp (result, "0x1.0p+1 33") == 0 + || strcmp (result, "0x2.0p+0 33") == 0 + || strcmp (result, "0x4.0p-1 33") == 0 + || strcmp (result, "0x8.0p-2 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Width. */ + char result[1000]; + int retval = + my_sprintf (result, "%10a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Small precision. */ + char result[1000]; + int retval = + my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 + || strcmp (result, "0x3.8000000000p-1 33") == 0 + || strcmp (result, "0x7.0000000000p-2 33") == 0 + || strcmp (result, "0xe.0000000000p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Large precision. */ + char result[1000]; + int retval = + my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 + || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 + || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 + || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_LEFT. */ + char result[1000]; + int retval = + my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, "0x1.cp+0 33") == 0 + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7p-2 33") == 0 + || strcmp (result, "0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_SHOWSIGN. */ + char result[1000]; + int retval = + my_sprintf (result, "%+a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 + || strcmp (result, "+0x3.8p-1 33") == 0 + || strcmp (result, "+0x7p-2 33") == 0 + || strcmp (result, "+0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_SPACE. */ + char result[1000]; + int retval = + my_sprintf (result, "% a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ALT. */ + char result[1000]; + int retval = + my_sprintf (result, "%#a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, "0x1.cp+0 33") == 0 + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7.p-2 33") == 0 + || strcmp (result, "0xe.p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ALT. */ + char result[1000]; + int retval = + my_sprintf (result, "%#a %d", 1.0, 33, 44, 55); + ASSERT (strcmp (result, "0x1.p+0 33") == 0 + || strcmp (result, "0x2.p-1 33") == 0 + || strcmp (result, "0x4.p-2 33") == 0 + || strcmp (result, "0x8.p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ZERO with finite number. */ + char result[1000]; + int retval = + my_sprintf (result, "%010a %d", 1.75, 33, 44, 55); + ASSERT (strcmp (result, "0x001.cp+0 33") == 0 + || strcmp (result, "0x003.8p-1 33") == 0 + || strcmp (result, "0x00007p-2 33") == 0 + || strcmp (result, "0x0000ep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ZERO with infinite number. */ + char result[1000]; + int retval = + my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55); + ASSERT (strcmp (result, " inf 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ZERO with NaN. */ + char result[1000]; + int retval = + my_sprintf (result, "%010a %d", 0.0 / 0.0, 33, 44, 55); + ASSERT (strcmp (result, " nan 33") == 0); + ASSERT (retval == strlen (result)); + } + +#if HAVE_LONG_DOUBLE + + { /* A positive number. */ + char result[1000]; + int retval = + my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.922p+1 33") == 0 + || strcmp (result, "0x3.244p+0 33") == 0 + || strcmp (result, "0x6.488p-1 33") == 0 + || strcmp (result, "0xc.91p-2 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* A negative number. */ + char result[1000]; + int retval = + my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55); + ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 + || strcmp (result, "-0X3.244P+0 33") == 0 + || strcmp (result, "-0X6.488P-1 33") == 0 + || strcmp (result, "-0XC.91P-2 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Positive zero. */ + char result[1000]; + int retval = + my_sprintf (result, "%La %d", 0.0L, 33, 44, 55); + ASSERT (strcmp (result, "0x0p+0 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Negative zero. */ + char result[1000]; + int retval = + my_sprintf (result, "%La %d", -0.0L, 33, 44, 55); + ASSERT (strcmp (result, "-0x0p+0 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Positive infinity. */ + char result[1000]; + int retval = + my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55); + ASSERT (strcmp (result, "inf 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Negative infinity. */ + char result[1000]; + int retval = + my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55); + ASSERT (strcmp (result, "-inf 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* NaN. */ + char result[1000]; + int retval = + my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55); + ASSERT (strcmp (result, "nan 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding near the decimal point. */ + char result[1000]; + int retval = + my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55); + ASSERT (strcmp (result, "0x2p+0 33") == 0 + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 0. */ + char result[1000]; + int retval = + my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55); + ASSERT (strcmp (result, "0x2p+0 33") == 0 + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 1. */ + char result[1000]; + int retval = + my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.8p+0 33") == 0 + || strcmp (result, "0x3.0p-1 33") == 0 + || strcmp (result, "0x6.1p-2 33") == 0 + || strcmp (result, "0xc.1p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 2. */ + char result[1000]; + int retval = + my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.83p+0 33") == 0 + || strcmp (result, "0x3.05p-1 33") == 0 + || strcmp (result, "0x6.0ap-2 33") == 0 + || strcmp (result, "0xc.14p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding with precision 3. */ + char result[1000]; + int retval = + my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.829p+0 33") == 0 + || strcmp (result, "0x3.052p-1 33") == 0 + || strcmp (result, "0x6.0a4p-2 33") == 0 + || strcmp (result, "0xc.148p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding can turn a ...FFF into a ...000. */ + char result[1000]; + int retval = + my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.800p+0 33") == 0 + || strcmp (result, "0x3.000p-1 33") == 0 + || strcmp (result, "0x6.000p-2 33") == 0 + || strcmp (result, "0xc.000p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Rounding can turn a ...FFF into a ...000. + This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a + glibc 2.4 bug . */ + char result[1000]; + int retval = + my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.0p+1 33") == 0 + || strcmp (result, "0x2.0p+0 33") == 0 + || strcmp (result, "0x4.0p-1 33") == 0 + || strcmp (result, "0x8.0p-2 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Width. */ + char result[1000]; + int retval = + my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Small precision. */ + char result[1000]; + int retval = + my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 + || strcmp (result, "0x3.8000000000p-1 33") == 0 + || strcmp (result, "0x7.0000000000p-2 33") == 0 + || strcmp (result, "0xe.0000000000p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Large precision. */ + char result[1000]; + int retval = + my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 + || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 + || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 + || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_LEFT. */ + char result[1000]; + int retval = + my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.cp+0 33") == 0 + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7p-2 33") == 0 + || strcmp (result, "0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_SHOWSIGN. */ + char result[1000]; + int retval = + my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 + || strcmp (result, "+0x3.8p-1 33") == 0 + || strcmp (result, "+0x7p-2 33") == 0 + || strcmp (result, "+0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_SPACE. */ + char result[1000]; + int retval = + my_sprintf (result, "% La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ALT. */ + char result[1000]; + int retval = + my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.cp+0 33") == 0 + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7.p-2 33") == 0 + || strcmp (result, "0xe.p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ALT. */ + char result[1000]; + int retval = + my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55); + ASSERT (strcmp (result, "0x1.p+0 33") == 0 + || strcmp (result, "0x2.p-1 33") == 0 + || strcmp (result, "0x4.p-2 33") == 0 + || strcmp (result, "0x8.p-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ZERO with finite number. */ + char result[1000]; + int retval = + my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55); + ASSERT (strcmp (result, "0x001.cp+0 33") == 0 + || strcmp (result, "0x003.8p-1 33") == 0 + || strcmp (result, "0x00007p-2 33") == 0 + || strcmp (result, "0x0000ep-3 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ZERO with infinite number. */ + char result[1000]; + int retval = + my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55); + ASSERT (strcmp (result, " inf 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* FLAG_ZERO with NaN. */ + char result[1000]; + int retval = + my_sprintf (result, "%010La %d", 0.0L / 0.0L, 33, 44, 55); + ASSERT (strcmp (result, " nan 33") == 0); + ASSERT (retval == strlen (result)); + } + +#endif + + /* Test the support of the %n format directive. */ + + { + int count = -1; + char result[1000]; + int retval = + my_sprintf (result, "%d %n", 123, &count, 33, 44, 55); + ASSERT (strcmp (result, "123 ") == 0); + ASSERT (retval == strlen (result)); + ASSERT (count == 4); + } + + /* Test the support of the POSIX/XSI format strings with positions. */ + + { + char result[1000]; + int retval = + my_sprintf (result, "%2$d %1$d", 33, 55); + ASSERT (strcmp (result, "55 33") == 0); + ASSERT (retval == strlen (result)); + } +} diff --git a/tests/test-vsprintf-posix.c b/tests/test-vsprintf-posix.c new file mode 100644 index 000000000..43c7196bf --- /dev/null +++ b/tests/test-vsprintf-posix.c @@ -0,0 +1,53 @@ +/* Test of POSIX compatible vsprintf() function. + Copyright (C) 2007 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible , 2007. */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include +#include +#include +#include +#include + +#define ASSERT(expr) if (!(expr)) abort (); + +static int +my_sprintf (char *str, const char *format, ...) +{ + va_list args; + int ret; + + va_start (args, format); + ret = vsprintf (str, format, args); + va_end (args); + return ret; +} + +#include "test-sprintf-posix.h" + +int +main (int argc, char *argv[]) +{ + test_function (my_sprintf); + return 0; +} -- 2.11.0