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 <command.h>
  11 #include <efi_api.h>
  12 #endif
  13 #include <display_options.h>
  14 #include <version.h>
  15
  16 #define FAKE_BUILD_TAG  "jenkins-u-boot-denx_uboot_dm-master-build-aarch64" \
  17                         "and a lot more text to come"
  18
  19 /* Test printing GUIDs */
  20 static void guid_ut_print(void)
  21 {
  22 #if CONFIG_IS_ENABLED(LIB_UUID)
  23         unsigned char guid[16] = {
  24                 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
  25         };
  26         char str[40];
  27
  28         sprintf(str, "%pUb", guid);
  29         assert(!strcmp("01020304-0506-0708-090a-0b0c0d0e0f10", str));
  30         sprintf(str, "%pUB", guid);
  31         assert(!strcmp("01020304-0506-0708-090A-0B0C0D0E0F10", str));
  32         sprintf(str, "%pUl", guid);
  33         assert(!strcmp("04030201-0605-0807-090a-0b0c0d0e0f10", str));
  34         sprintf(str, "%pUL", guid);
  35         assert(!strcmp("04030201-0605-0807-090A-0B0C0D0E0F10", str));
  36 #endif
  37 }
  38
  39 /* Test efi_loader specific printing */
  40 static void efi_ut_print(void)
  41 {
  42 #if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
  43         char str[10];
  44         u8 buf[sizeof(struct efi_device_path_sd_mmc_path) +
  45                sizeof(struct efi_device_path)];
  46         u8 *pos = buf;
  47         struct efi_device_path *dp_end;
  48         struct efi_device_path_sd_mmc_path *dp_sd =
  49                         (struct efi_device_path_sd_mmc_path *)pos;
  50
  51         /* Create a device path for an SD card */
  52         dp_sd->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
  53         dp_sd->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_SD;
  54         dp_sd->dp.length = sizeof(struct efi_device_path_sd_mmc_path);
  55         dp_sd->slot_number = 3;
  56         pos += sizeof(struct efi_device_path_sd_mmc_path);
  57         /* Append end node */
  58         dp_end = (struct efi_device_path *)pos;
  59         dp_end->type = DEVICE_PATH_TYPE_END;
  60         dp_end->sub_type = DEVICE_PATH_SUB_TYPE_END;
  61         dp_end->length = sizeof(struct efi_device_path);
  62
  63         snprintf(str, sizeof(str), "_%pD_", buf);
  64         assert(!strcmp("_/SD(3)_", str));
  65
  66         /* NULL device path */
  67         snprintf(str, sizeof(str), "_%pD_", NULL);
  68         assert(!strcmp("_<NULL>_", str));
  69 #endif
  70 }
  71
  72 static int do_ut_print(struct cmd_tbl *cmdtp, int flag, int argc,
  73                        char *const argv[])
  74 {
  75         char big_str[400];
  76         int big_str_len;
  77         char str[10], *s;
  78         int len;
  79
  80         printf("%s: Testing print\n", __func__);
  81
  82         snprintf(str, sizeof(str), "testing");
  83         assert(!strcmp("testing", str));
  84
  85         snprintf(str, sizeof(str), "testing but too long");
  86         assert(!strcmp("testing b", str));
  87
  88         snprintf(str, 1, "testing none");
  89         assert(!strcmp("", str));
  90
  91         *str = 'x';
  92         snprintf(str, 0, "testing none");
  93         assert(*str == 'x');
  94
  95         sprintf(big_str, "_%ls_", L"foo");
  96         assert(!strcmp("_foo_", big_str));
  97
  98         /* Test the banner function */
  99         s = display_options_get_banner(true, str, sizeof(str));
 100         assert(s == str);
 101         assert(!strcmp("\n\nU-Boo\n\n", s));
 102
 103         /* Assert that we do not overwrite memory before the buffer */
 104         str[0] = '`';
 105         s = display_options_get_banner(true, str + 1, 1);
 106         assert(s == str + 1);
 107         assert(!strcmp("`", str));
 108
 109         str[0] = '~';
 110         s = display_options_get_banner(true, str + 1, 2);
 111         assert(s == str + 1);
 112         assert(!strcmp("~\n", str));
 113
 114         /* The last two characters are set to \n\n for all buffer sizes > 2 */
 115         s = display_options_get_banner(false, str, sizeof(str));
 116         assert(s == str);
 117         assert(!strcmp("U-Boot \n\n", s));
 118
 119         /* Give it enough space for some of the version */
 120         big_str_len = strlen(version_string) - 5;
 121         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
 122                                             big_str_len);
 123         assert(s == big_str);
 124         assert(!strncmp(version_string, s, big_str_len - 3));
 125         assert(!strcmp("\n\n", s + big_str_len - 3));
 126
 127         /* Give it enough space for the version and some of the build tag */
 128         big_str_len = strlen(version_string) + 9 + 20;
 129         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
 130                                             big_str_len);
 131         assert(s == big_str);
 132         len = strlen(version_string);
 133         assert(!strncmp(version_string, s, len));
 134         assert(!strncmp(", Build: ", s + len, 9));
 135         assert(!strncmp(FAKE_BUILD_TAG, s + 9 + len, 12));
 136         assert(!strcmp("\n\n", s + big_str_len - 3));
 137
 138         /* Test efi_loader specific printing */
 139         efi_ut_print();
 140
 141         /* Test printing GUIDs */
 142         guid_ut_print();
 143
 144         printf("%s: Everything went swimmingly\n", __func__);
 145         return 0;
 146 }
 147
 148 U_BOOT_CMD(
 149         ut_print,       1,      1,      do_ut_print,
 150         "Very basic test of printf(), etc.",
 151         ""
 152 );