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 /* Test the banner function */ 40 s = display_options_get_banner(true, str, sizeof(str)); 41 assert(s == str); 42 assert(!strcmp("\n\nU-Boo\n\n", s)); 43 44 s = display_options_get_banner(true, str, 1); 45 assert(s == str); 46 assert(!strcmp("", s)); 47 48 s = display_options_get_banner(true, str, 2); 49 assert(s == str); 50 assert(!strcmp("\n", s)); 51 52 s = display_options_get_banner(false, str, sizeof(str)); 53 assert(s == str); 54 assert(!strcmp("U-Boot \n\n", s)); 55 56 /* Give it enough space for some of the version */ 57 big_str_len = strlen(version_string) - 5; 58 s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str, 59 big_str_len); 60 assert(s == big_str); 61 assert(!strncmp(version_string, s, big_str_len - 3)); 62 assert(!strcmp("\n\n", s + big_str_len - 3)); 63 64 /* Give it enough space for the version and some of the build tag */ 65 big_str_len = strlen(version_string) + 9 + 20; 66 s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str, 67 big_str_len); 68 assert(s == big_str); 69 len = strlen(version_string); 70 assert(!strncmp(version_string, s, len)); 71 assert(!strncmp(", Build: ", s + len, 9)); 72 assert(!strncmp(FAKE_BUILD_TAG, s + 9 + len, 12)); 73 assert(!strcmp("\n\n", s + big_str_len - 3)); 74 75 printf("%s: Everything went swimmingly\n", __func__); 76 return 0; 77 } 78 79 U_BOOT_CMD( 80 ut_print, 1, 1, do_ut_print, 81 "Very basic test of printf(), etc.", 82 "" 83 ); 84