test/print_ut.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2012, The Chromium Authors
   4  */
   5
   6 #define DEBUG
   7
   8 #include <common.h>
   9 #if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
  10 #include <efi_api.h>
  11 #endif
  12 #include <display_options.h>
  13 #include <version.h>
  14
  15 #define FAKE_BUILD_TAG  "jenkins-u-boot-denx_uboot_dm-master-build-aarch64" \
  16                         "and a lot more text to come"
  17
  18 /* Test printing GUIDs */
  19 static void guid_ut_print(void)
  20 {
  21 #if CONFIG_IS_ENABLED(LIB_UUID)
  22         unsigned char guid[16] = {
  23                 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
  24         };
  25         char str[40];
  26
  27         sprintf(str, "%pUb", guid);
  28         assert(!strcmp("01020304-0506-0708-090a-0b0c0d0e0f10", str));
  29         sprintf(str, "%pUB", guid);
  30         assert(!strcmp("01020304-0506-0708-090A-0B0C0D0E0F10", str));
  31         sprintf(str, "%pUl", guid);
  32         assert(!strcmp("04030201-0605-0807-090a-0b0c0d0e0f10", str));
  33         sprintf(str, "%pUL", guid);
  34         assert(!strcmp("04030201-0605-0807-090A-0B0C0D0E0F10", str));
  35 #endif
  36 }
  37
  38 /* Test efi_loader specific printing */
  39 static void efi_ut_print(void)
  40 {
  41 #if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
  42         char str[10];
  43         u8 buf[sizeof(struct efi_device_path_sd_mmc_path) +
  44                sizeof(struct efi_device_path)];
  45         u8 *pos = buf;
  46         struct efi_device_path *dp_end;
  47         struct efi_device_path_sd_mmc_path *dp_sd =
  48                         (struct efi_device_path_sd_mmc_path *)pos;
  49
  50         /* Create a device path for an SD card */
  51         dp_sd->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
  52         dp_sd->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_SD;
  53         dp_sd->dp.length = sizeof(struct efi_device_path_sd_mmc_path);
  54         dp_sd->slot_number = 3;
  55         pos += sizeof(struct efi_device_path_sd_mmc_path);
  56         /* Append end node */
  57         dp_end = (struct efi_device_path *)pos;
  58         dp_end->type = DEVICE_PATH_TYPE_END;
  59         dp_end->sub_type = DEVICE_PATH_SUB_TYPE_END;
  60         dp_end->length = sizeof(struct efi_device_path);
  61
  62         snprintf(str, sizeof(str), "_%pD_", buf);
  63         assert(!strcmp("_/SD(3)_", str));
  64
  65         /* NULL device path */
  66         snprintf(str, sizeof(str), "_%pD_", NULL);
  67         assert(!strcmp("_<NULL>_", str));
  68 #endif
  69 }
  70
  71 static int do_ut_print(cmd_tbl_t *cmdtp, int flag, int argc,
  72                        char *const argv[])
  73 {
  74         char big_str[400];
  75         int big_str_len;
  76         char str[10], *s;
  77         int len;
  78
  79         printf("%s: Testing print\n", __func__);
  80
  81         snprintf(str, sizeof(str), "testing");
  82         assert(!strcmp("testing", str));
  83
  84         snprintf(str, sizeof(str), "testing but too long");
  85         assert(!strcmp("testing b", str));
  86
  87         snprintf(str, 1, "testing none");
  88         assert(!strcmp("", str));
  89
  90         *str = 'x';
  91         snprintf(str, 0, "testing none");
  92         assert(*str == 'x');
  93
  94         sprintf(big_str, "_%ls_", L"foo");
  95         assert(!strcmp("_foo_", big_str));
  96
  97         /* Test the banner function */
  98         s = display_options_get_banner(true, str, sizeof(str));
  99         assert(s == str);
 100         assert(!strcmp("\n\nU-Boo\n\n", s));
 101
 102         /* Assert that we do not overwrite memory before the buffer */
 103         str[0] = '`';
 104         s = display_options_get_banner(true, str + 1, 1);
 105         assert(s == str + 1);
 106         assert(!strcmp("`", str));
 107
 108         str[0] = '~';
 109         s = display_options_get_banner(true, str + 1, 2);
 110         assert(s == str + 1);
 111         assert(!strcmp("~\n", str));
 112
 113         /* The last two characters are set to \n\n for all buffer sizes > 2 */
 114         s = display_options_get_banner(false, str, sizeof(str));
 115         assert(s == str);
 116         assert(!strcmp("U-Boot \n\n", s));
 117
 118         /* Give it enough space for some of the version */
 119         big_str_len = strlen(version_string) - 5;
 120         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
 121                                             big_str_len);
 122         assert(s == big_str);
 123         assert(!strncmp(version_string, s, big_str_len - 3));
 124         assert(!strcmp("\n\n", s + big_str_len - 3));
 125
 126         /* Give it enough space for the version and some of the build tag */
 127         big_str_len = strlen(version_string) + 9 + 20;
 128         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
 129                                             big_str_len);
 130         assert(s == big_str);
 131         len = strlen(version_string);
 132         assert(!strncmp(version_string, s, len));
 133         assert(!strncmp(", Build: ", s + len, 9));
 134         assert(!strncmp(FAKE_BUILD_TAG, s + 9 + len, 12));
 135         assert(!strcmp("\n\n", s + big_str_len - 3));
 136
 137         /* Test efi_loader specific printing */
 138         efi_ut_print();
 139
 140         /* Test printing GUIDs */
 141         guid_ut_print();
 142
 143         printf("%s: Everything went swimmingly\n", __func__);
 144         return 0;
 145 }
 146
 147 U_BOOT_CMD(
 148         ut_print,       1,      1,      do_ut_print,
 149         "Very basic test of printf(), etc.",
 150         ""
 151 );