test/command_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
  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 );