add tests for snprintf
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10291 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
155
lib/roken/snprintf-test.c
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155
lib/roken/snprintf-test.c
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/*
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* Copyright (c) 2000 - 2001 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of KTH nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "roken.h"
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RCSID("$Id$");
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static int
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try (const char *format, ...)
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{
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int ret;
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va_list ap;
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char buf1[256], buf2[256];
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va_start (ap, format);
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ret = vsnprintf (buf1, sizeof(buf1), format, ap);
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if (ret >= sizeof(buf1))
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errx (1, "increase buf and try again");
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vsprintf (buf2, format, ap);
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ret = strcmp (buf1, buf2);
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if (ret)
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printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
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format, buf1, buf2);
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va_end (ap);
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return ret;
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}
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static int
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cmp_with_sprintf_int (void)
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{
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int tot = 0;
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int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX};
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int i;
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for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) {
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tot += try ("%d", int_values[i]);
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tot += try ("%x", int_values[i]);
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tot += try ("%o", int_values[i]);
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tot += try ("%#x", int_values[i]);
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tot += try ("%#X", int_values[i]);
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tot += try ("%#o", int_values[i]);
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tot += try ("%10d", int_values[i]);
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tot += try ("%10x", int_values[i]);
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tot += try ("%10o", int_values[i]);
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tot += try ("%#10x", int_values[i]);
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tot += try ("%#10X", int_values[i]);
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tot += try ("%#10o", int_values[i]);
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tot += try ("%-10d", int_values[i]);
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tot += try ("%-10x", int_values[i]);
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tot += try ("%-10o", int_values[i]);
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tot += try ("%-#10x", int_values[i]);
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tot += try ("%-#10X", int_values[i]);
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tot += try ("%-#10o", int_values[i]);
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}
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return tot;
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}
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#if 0
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static int
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cmp_with_sprintf_float (void)
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{
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int tot = 0;
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double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1,
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0, 0.1, 0.2342374852, 0.2340007,
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3.1415926, 14.7845, 34.24758, 9999, 9999999};
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int i;
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for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) {
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tot += try ("%f", double_values[i]);
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tot += try ("%10f", double_values[i]);
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tot += try ("%.2f", double_values[i]);
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tot += try ("%7.0f", double_values[i]);
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tot += try ("%5.2f", double_values[i]);
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tot += try ("%0f", double_values[i]);
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tot += try ("%#f", double_values[i]);
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tot += try ("%e", double_values[i]);
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tot += try ("%10e", double_values[i]);
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tot += try ("%.2e", double_values[i]);
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tot += try ("%7.0e", double_values[i]);
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tot += try ("%5.2e", double_values[i]);
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tot += try ("%0e", double_values[i]);
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tot += try ("%#e", double_values[i]);
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tot += try ("%E", double_values[i]);
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tot += try ("%10E", double_values[i]);
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tot += try ("%.2E", double_values[i]);
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tot += try ("%7.0E", double_values[i]);
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tot += try ("%5.2E", double_values[i]);
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tot += try ("%0E", double_values[i]);
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tot += try ("%#E", double_values[i]);
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tot += try ("%g", double_values[i]);
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tot += try ("%10g", double_values[i]);
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tot += try ("%.2g", double_values[i]);
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tot += try ("%7.0g", double_values[i]);
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tot += try ("%5.2g", double_values[i]);
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tot += try ("%0g", double_values[i]);
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tot += try ("%#g", double_values[i]);
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tot += try ("%G", double_values[i]);
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tot += try ("%10G", double_values[i]);
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tot += try ("%.2G", double_values[i]);
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tot += try ("%7.0G", double_values[i]);
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tot += try ("%5.2G", double_values[i]);
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tot += try ("%0G", double_values[i]);
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tot += try ("%#G", double_values[i]);
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}
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return tot;
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}
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#endif
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static int
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test_null (void)
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{
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return snprintf (NULL, 0, "foo") != 3;
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}
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int
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main (int argc, char **argv)
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{
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int ret = 0;
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ret += cmp_with_sprintf_int ();
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ret += test_null ();
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return ret;
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}
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