uspace/app/tester/print/print3.c

   1 /*
   2  * Copyright (c) 2005 Josef Cejka
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <stdio.h>
  30 #include <stddef.h>
  31 #include <macros.h>
  32 #include "../tester.h"
  33
  34 #define BUFFER_SIZE  32
  35
  36 #ifndef __clang__
  37 #pragma GCC diagnostic ignored "-Wformat-truncation"
  38 #endif
  39
  40 const char *test_print3(void)
  41 {
  42         char buffer[BUFFER_SIZE];
  43         int retval;
  44
  45         TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Short text without parameters.\"):\n");
  46         TPRINTF("Expected result: retval=30 buffer=\"Short text without parameters.\"\n");
  47         retval = snprintf(buffer, BUFFER_SIZE, "Short text without parameters.");
  48         TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  49
  50         TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Very very very long text without parameters.\"):\n");
  51         TPRINTF("Expected result: retval=44 buffer=\"Very very very long text withou\"\n");
  52         retval = snprintf(buffer, BUFFER_SIZE, "Very very very long text without parameters.");
  53         TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  54
  55         TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Short %%s.\", \"text\"):\n");
  56         TPRINTF("Expected result: retval=11 buffer=\"Short text.\"\n");
  57         retval = snprintf(buffer, BUFFER_SIZE, "Short %s.", "text");
  58         TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  59
  60         TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Very long %%s. This text's length is more than %%d. We are interested in the result.\", \"text\", " STRING(BUFFER_SIZE) "):\n");
  61         TPRINTF("Expected result: retval=84 buffer=\"Very long text. This text's len\"\n");
  62         retval = snprintf(buffer, BUFFER_SIZE, "Very long %s. This text's length is more than %d. We are interested in the result.", "text", BUFFER_SIZE);
  63         TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  64
  65         return NULL;
  66 }