1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2023 Google LLC
4  */
5 
6 #include <common.h>
7 #include <cli.h>
8 #include <test/common.h>
9 #include <test/test.h>
10 #include <test/ut.h>
11 
cli_ch_test(struct unit_test_state * uts)12 static int cli_ch_test(struct unit_test_state *uts)
13 {
14 	struct cli_ch_state s_cch, *cch = &s_cch;
15 
16 	cli_ch_init(cch);
17 
18 	/* should be nothing to return at first */
19 	ut_asserteq(0, cli_ch_process(cch, 0));
20 
21 	/* check normal entry */
22 	ut_asserteq('a', cli_ch_process(cch, 'a'));
23 	ut_asserteq('b', cli_ch_process(cch, 'b'));
24 	ut_asserteq('c', cli_ch_process(cch, 'c'));
25 	ut_asserteq(0, cli_ch_process(cch, 0));
26 
27 	/* send an invalid escape sequence */
28 	ut_asserteq(0, cli_ch_process(cch, '\e'));
29 	ut_asserteq(0, cli_ch_process(cch, '['));
30 
31 	/*
32 	 * with the next char it sees that the sequence is invalid, so starts
33 	 * emitting it
34 	 */
35 	ut_asserteq('\e', cli_ch_process(cch, 'X'));
36 
37 	/* now we set 0 bytes to empty the buffer */
38 	ut_asserteq('[', cli_ch_process(cch, 0));
39 	ut_asserteq('X', cli_ch_process(cch, 0));
40 	ut_asserteq(0, cli_ch_process(cch, 0));
41 
42 	/* things are normal again */
43 	ut_asserteq('a', cli_ch_process(cch, 'a'));
44 	ut_asserteq(0, cli_ch_process(cch, 0));
45 
46 	return 0;
47 }
48 COMMON_TEST(cli_ch_test, 0);
49 
cread_test(struct unit_test_state * uts)50 static int cread_test(struct unit_test_state *uts)
51 {
52 	int duration;
53 	ulong start;
54 	char buf[10];
55 
56 	/*
57 	 * useful for debugging
58 	 *
59 	 * gd->flags &= ~GD_FLG_RECORD;
60 	 * print_buffer(0, buf, 1, 7, 0);
61 	 */
62 
63 	console_record_reset_enable();
64 
65 	/* simple input */
66 	*buf = '\0';
67 	ut_asserteq(4, console_in_puts("abc\n"));
68 	ut_asserteq(3, cli_readline_into_buffer("-> ", buf, 1));
69 	ut_asserteq_str("abc", buf);
70 
71 	/* try an escape sequence (cursor left after the 'c') */
72 	*buf = '\0';
73 	ut_asserteq(8, console_in_puts("abc\e[Dx\n"));
74 	ut_asserteq(4, cli_readline_into_buffer("-> ", buf, 1));
75 	ut_asserteq_str("abxc", buf);
76 
77 	/* invalid escape sequence */
78 	*buf = '\0';
79 	ut_asserteq(8, console_in_puts("abc\e[Xx\n"));
80 	ut_asserteq(7, cli_readline_into_buffer("-> ", buf, 1));
81 	ut_asserteq_str("abc\e[Xx", buf);
82 
83 	/* check timeout, should be between 1000 and 1050ms */
84 	start = get_timer(0);
85 	*buf = '\0';
86 	ut_asserteq(-2, cli_readline_into_buffer("-> ", buf, 1));
87 	duration = get_timer(start) - 1000;
88 	ut_assert(duration >= 0);
89 	ut_assert(duration < 50);
90 
91 	return 0;
92 }
93 COMMON_TEST(cread_test, 0);
94