test/print_ut.c

   1 /*
   2  * Copyright (c) 2012, The Chromium Authors
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #define DEBUG
   8
   9 #include <common.h>
  10 #include <display_options.h>
  11 #include <version.h>
  12
  13 #define FAKE_BUILD_TAG  "jenkins-u-boot-denx_uboot_dm-master-build-aarch64" \
  14                         "and a lot more text to come"
  15
  16 static int do_ut_print(cmd_tbl_t *cmdtp, int flag, int argc,
  17                        char *const argv[])
  18 {
  19         char big_str[400];
  20         int big_str_len;
  21         char str[10], *s;
  22         int len;
  23
  24         printf("%s: Testing print\n", __func__);
  25
  26         snprintf(str, sizeof(str), "testing");
  27         assert(!strcmp("testing", str));
  28
  29         snprintf(str, sizeof(str), "testing but too long");
  30         assert(!strcmp("testing b", str));
  31
  32         snprintf(str, 1, "testing none");
  33         assert(!strcmp("", str));
  34
  35         *str = 'x';
  36         snprintf(str, 0, "testing none");
  37         assert(*str == 'x');
  38
  39         sprintf(big_str, "_%ls_", L"foo");
  40         assert(!strcmp("_foo_", big_str));
  41
  42         /* Test the banner function */
  43         s = display_options_get_banner(true, str, sizeof(str));
  44         assert(s == str);
  45         assert(!strcmp("\n\nU-Boo\n\n", s));
  46
  47         s = display_options_get_banner(true, str, 1);
  48         assert(s == str);
  49         assert(!strcmp("", s));
  50
  51         s = display_options_get_banner(true, str, 2);
  52         assert(s == str);
  53         assert(!strcmp("\n", s));
  54
  55         s = display_options_get_banner(false, str, sizeof(str));
  56         assert(s == str);
  57         assert(!strcmp("U-Boot \n\n", s));
  58
  59         /* Give it enough space for some of the version */
  60         big_str_len = strlen(version_string) - 5;
  61         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
  62                                             big_str_len);
  63         assert(s == big_str);
  64         assert(!strncmp(version_string, s, big_str_len - 3));
  65         assert(!strcmp("\n\n", s + big_str_len - 3));
  66
  67         /* Give it enough space for the version and some of the build tag */
  68         big_str_len = strlen(version_string) + 9 + 20;
  69         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
  70                                             big_str_len);
  71         assert(s == big_str);
  72         len = strlen(version_string);
  73         assert(!strncmp(version_string, s, len));
  74         assert(!strncmp(", Build: ", s + len, 9));
  75         assert(!strncmp(FAKE_BUILD_TAG, s + 9 + len, 12));
  76         assert(!strcmp("\n\n", s + big_str_len - 3));
  77
  78         printf("%s: Everything went swimmingly\n", __func__);
  79         return 0;
  80 }
  81
  82 U_BOOT_CMD(
  83         ut_print,       1,      1,      do_ut_print,
  84         "Very basic test of printf(), etc.",
  85         ""
  86 );