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 #include <command.h>
10 #include <env.h>
11 #include <log.h>
12 
13 static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; "
14 		"setenv list ${list}3\0"
15 		"setenv list ${list}4";
16 
do_ut_cmd(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])17 static int do_ut_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
18 		     char *const argv[])
19 {
20 	printf("%s: Testing commands\n", __func__);
21 	run_command("env default -f -a", 0);
22 
23 	/* commands separated by \n */
24 	run_command_list("setenv list 1\n setenv list ${list}1", -1, 0);
25 	assert(!strcmp("11", env_get("list")));
26 
27 	/* command followed by \n and nothing else */
28 	run_command_list("setenv list 1${list}\n", -1, 0);
29 	assert(!strcmp("111", env_get("list")));
30 
31 	/* a command string with \0 in it. Stuff after \0 should be ignored */
32 	run_command("setenv list", 0);
33 	run_command_list(test_cmd, sizeof(test_cmd), 0);
34 	assert(!strcmp("123", env_get("list")));
35 
36 	/*
37 	 * a command list where we limit execution to only the first command
38 	 * using the length parameter.
39 	 */
40 	run_command_list("setenv list 1\n setenv list ${list}2; "
41 		"setenv list ${list}3", strlen("setenv list 1"), 0);
42 	assert(!strcmp("1", env_get("list")));
43 
44 	assert(run_command("false", 0) == 1);
45 	assert(run_command("echo", 0) == 0);
46 	assert(run_command_list("false", -1, 0) == 1);
47 	assert(run_command_list("echo", -1, 0) == 0);
48 
49 #ifdef CONFIG_HUSH_PARSER
50 	run_command("setenv foo 'setenv black 1\nsetenv adder 2'", 0);
51 	run_command("run foo", 0);
52 	assert(env_get("black") != NULL);
53 	assert(!strcmp("1", env_get("black")));
54 	assert(env_get("adder") != NULL);
55 	assert(!strcmp("2", env_get("adder")));
56 #endif
57 
58 	assert(run_command("", 0) == 0);
59 	assert(run_command(" ", 0) == 0);
60 
61 	assert(run_command("'", 0) == 1);
62 
63 	printf("%s: Everything went swimmingly\n", __func__);
64 	return 0;
65 }
66 
67 U_BOOT_CMD(
68 	ut_cmd,	5,	1,	do_ut_cmd,
69 	"Very basic test of command parsers",
70 	""
71 );
72