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"Das U-Boot" Source Tree
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 2012, The Chromium Authors
4 */
5
6#define DEBUG
7
8#include <command.h>
9#include <env.h>
10#include <log.h>
11#include <string.h>
12#include <linux/errno.h>
13#include <test/cmd.h>
14#include <test/ut.h>
15
16static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; "
17 "setenv list ${list}3\0"
18 "setenv list ${list}4";
19
20static int command_test(struct unit_test_state *uts)
21{
22 char long_str[CONFIG_SYS_CBSIZE + 42];
23
24 printf("%s: Testing commands\n", __func__);
25 run_command("env default -f -a", 0);
26
27 /* commands separated by \n */
28 run_command_list("setenv list 1\n setenv list ${list}1", -1, 0);
29 ut_assert(!strcmp("11", env_get("list")));
30
31 /* command followed by \n and nothing else */
32 run_command_list("setenv list 1${list}\n", -1, 0);
33 ut_assert(!strcmp("111", env_get("list")));
34
35 /* a command string with \0 in it. Stuff after \0 should be ignored */
36 run_command("setenv list", 0);
37 run_command_list(test_cmd, sizeof(test_cmd), 0);
38 ut_assert(!strcmp("123", env_get("list")));
39
40 /*
41 * a command list where we limit execution to only the first command
42 * using the length parameter.
43 */
44 run_command_list("setenv list 1\n setenv list ${list}2; "
45 "setenv list ${list}3", strlen("setenv list 1"), 0);
46 ut_assert(!strcmp("1", env_get("list")));
47
48 ut_assertok(run_command("echo", 0));
49 ut_assertok(run_command_list("echo", -1, 0));
50
51 if (IS_ENABLED(CONFIG_HUSH_PARSER)) {
52 ut_asserteq(1, run_command("false", 0));
53 ut_asserteq(1, run_command_list("false", -1, 0));
54 run_command("setenv foo 'setenv black 1\nsetenv adder 2'", 0);
55 run_command("run foo", 0);
56 ut_assertnonnull(env_get("black"));
57 ut_asserteq(0, strcmp("1", env_get("black")));
58 ut_assertnonnull(env_get("adder"));
59 ut_asserteq(0, strcmp("2", env_get("adder")));
60 ut_assertok(run_command("", 0));
61 ut_assertok(run_command(" ", 0));
62 }
63
64 ut_asserteq(1, run_command("'", 0));
65
66 /* Variadic function test-cases */
67 if (IS_ENABLED(CONFIG_HUSH_PARSER)) {
68#pragma GCC diagnostic push
69#pragma GCC diagnostic ignored "-Wformat-zero-length"
70 ut_assertok(run_commandf(""));
71#pragma GCC diagnostic pop
72 ut_assertok(run_commandf(" "));
73 }
74 ut_asserteq(1, run_commandf("'"));
75
76 ut_assertok(run_commandf("env %s %s", "delete -f", "list"));
77 /*
78 * Expected: "## Error: "list" not defined"
79 * (disabled to avoid pytest bailing out)
80 *
81 * ut_asserteq(1, run_commandf("printenv list"));
82 */
83
84 memset(long_str, 'x', sizeof(long_str));
85 ut_asserteq(-ENOSPC, run_commandf("Truncation case: %s", long_str));
86
87 if (IS_ENABLED(CONFIG_HUSH_PARSER)) {
88 ut_assertok(run_commandf("env %s %s %s %s", "delete -f",
89 "adder", "black", "foo"));
90 ut_assertok(run_commandf(
91 "setenv foo 'setenv %s 1\nsetenv %s 2'",
92 "black", "adder"));
93 ut_assertok(run_command("run foo", 0));
94 ut_assertnonnull(env_get("black"));
95 ut_asserteq(0, strcmp("1", env_get("black")));
96 ut_assertnonnull(env_get("adder"));
97 ut_asserteq(0, strcmp("2", env_get("adder")));
98 }
99
100 /* Clean up before exit */
101 ut_assertok(run_command("env default -f -a", 0));
102
103 /* put back the FDT environment */
104 ut_assertok(env_set("from_fdt", "yes"));
105
106 printf("%s: Everything went swimmingly\n", __func__);
107 return 0;
108}
109CMD_TEST(command_test, 0);