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 11 static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; " 12 "setenv list ${list}3\0" 13 "setenv list ${list}4"; 14 15 static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 16 { 17 printf("%s: Testing commands\n", __func__); 18 run_command("env default -f", 0); 19 20 /* run a single command */ 21 run_command("setenv single 1", 0); 22 assert(!strcmp("1", getenv("single"))); 23 24 /* make sure that compound statements work */ 25 #ifdef CONFIG_SYS_HUSH_PARSER 26 run_command("if test -n ${single} ; then setenv check 1; fi", 0); 27 assert(!strcmp("1", getenv("check"))); 28 run_command("setenv check", 0); 29 #endif 30 31 /* commands separated by ; */ 32 run_command_list("setenv list 1; setenv list ${list}1", -1, 0); 33 assert(!strcmp("11", getenv("list"))); 34 35 /* commands separated by \n */ 36 run_command_list("setenv list 1\n setenv list ${list}1", -1, 0); 37 assert(!strcmp("11", getenv("list"))); 38 39 /* command followed by \n and nothing else */ 40 run_command_list("setenv list 1${list}\n", -1, 0); 41 assert(!strcmp("111", getenv("list"))); 42 43 /* three commands in a row */ 44 run_command_list("setenv list 1\n setenv list ${list}2; " 45 "setenv list ${list}3", -1, 0); 46 assert(!strcmp("123", getenv("list"))); 47 48 /* a command string with \0 in it. Stuff after \0 should be ignored */ 49 run_command("setenv list", 0); 50 run_command_list(test_cmd, sizeof(test_cmd), 0); 51 assert(!strcmp("123", getenv("list"))); 52 53 /* 54 * a command list where we limit execution to only the first command 55 * using the length parameter. 56 */ 57 run_command_list("setenv list 1\n setenv list ${list}2; " 58 "setenv list ${list}3", strlen("setenv list 1"), 0); 59 assert(!strcmp("1", getenv("list"))); 60 61 printf("%s: Everything went swimmingly\n", __func__); 62 return 0; 63 } 64 65 U_BOOT_CMD( 66 ut_cmd, 5, 1, do_ut_cmd, 67 "Very basic test of command parsers", 68 "" 69 ); 70