u-boot/test/command_ut.c

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/*
* Copyright (c) 2012, The Chromium Authors
*
* SPDX-License-Identifier: GPL-2.0+
*/
#define DEBUG
#include <common.h>
static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; "
"setenv list ${list}3\0"
"setenv list ${list}4";
static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
printf("%s: Testing commands\n", __func__);
run_command("env default -f", 0);
/* run a single command */
run_command("setenv single 1", 0);
assert(!strcmp("1", getenv("single")));
/* make sure that compound statements work */
#ifdef CONFIG_SYS_HUSH_PARSER
run_command("if test -n ${single} ; then setenv check 1; fi", 0);
assert(!strcmp("1", getenv("check")));
run_command("setenv check", 0);
#endif
/* commands separated by ; */
run_command_list("setenv list 1; setenv list ${list}1", -1, 0);
assert(!strcmp("11", getenv("list")));
/* commands separated by \n */
run_command_list("setenv list 1\n setenv list ${list}1", -1, 0);
assert(!strcmp("11", getenv("list")));
/* command followed by \n and nothing else */
run_command_list("setenv list 1${list}\n", -1, 0);
assert(!strcmp("111", getenv("list")));
/* three commands in a row */
run_command_list("setenv list 1\n setenv list ${list}2; "
"setenv list ${list}3", -1, 0);
assert(!strcmp("123", getenv("list")));
/* a command string with \0 in it. Stuff after \0 should be ignored */
run_command("setenv list", 0);
run_command_list(test_cmd, sizeof(test_cmd), 0);
assert(!strcmp("123", getenv("list")));
/*
* a command list where we limit execution to only the first command
* using the length parameter.
*/
run_command_list("setenv list 1\n setenv list ${list}2; "
"setenv list ${list}3", strlen("setenv list 1"), 0);
assert(!strcmp("1", getenv("list")));
printf("%s: Everything went swimmingly\n", __func__);
return 0;
}
U_BOOT_CMD(
ut_cmd, 5, 1, do_ut_cmd,
"Very basic test of command parsers",
""
);