1/*	$OpenBSD: tests.c,v 1.4 2017/02/19 00:11:29 djm Exp $ */
2/*
3 * Regress test for the utf8.h *mprintf() API
4 *
5 * Written by Ingo Schwarze <schwarze@openbsd.org> in 2016
6 * and placed in the public domain.
7 */
8
9#include <locale.h>
10#include <string.h>
11
12#include "test_helper.h"
13
14#include "utf8.h"
15
16static void
17badarg(void)
18{
19	char	 buf[16];
20	int	 len, width;
21
22	width = 1;
23	TEST_START("utf8_badarg");
24	len = snmprintf(buf, sizeof(buf), &width, "\377");
25	ASSERT_INT_EQ(len, -1);
26	ASSERT_STRING_EQ(buf, "");
27	ASSERT_INT_EQ(width, 0);
28	TEST_DONE();
29}
30
31static void
32one(int utf8, const char *name, const char *mbs, int width,
33    int wantwidth, int wantlen, const char *wants)
34{
35	char	 buf[16];
36	int	*wp;
37	int	 len;
38
39	if (wantlen == -2)
40		wantlen = strlen(wants);
41	(void)strlcpy(buf, utf8 ? "utf8_" : "c_", sizeof(buf));
42	(void)strlcat(buf, name, sizeof(buf));
43	TEST_START(buf);
44	wp = wantwidth == -2 ? NULL : &width;
45	len = snmprintf(buf, sizeof(buf), wp, "%s", mbs);
46	ASSERT_INT_EQ(len, wantlen);
47	ASSERT_STRING_EQ(buf, wants);
48	ASSERT_INT_EQ(width, wantwidth);
49	TEST_DONE();
50}
51
52void
53tests(void)
54{
55	char	*loc;
56
57	TEST_START("utf8_setlocale");
58	loc = setlocale(LC_CTYPE, "en_US.UTF-8");
59	ASSERT_PTR_NE(loc, NULL);
60	TEST_DONE();
61
62	badarg();
63	one(1, "empty", "", 2, 0, 0, "");
64	one(1, "ascii", "x", -2, -2, -2, "x");
65	one(1, "newline", "a\nb", -2, -2, -2, "a\nb");
66	one(1, "cr", "a\rb", -2, -2, -2, "a\rb");
67	one(1, "tab", "a\tb", -2, -2, -2, "a\tb");
68	one(1, "esc", "\033x", -2, -2, -2, "\\033x");
69	one(1, "inv_badbyte", "\377x", -2, -2, -2, "\\377x");
70	one(1, "inv_nocont", "\341x", -2, -2, -2, "\\341x");
71	one(1, "inv_nolead", "a\200b", -2, -2, -2, "a\\200b");
72	one(1, "sz_ascii", "1234567890123456", -2, -2, 16, "123456789012345");
73	one(1, "sz_esc", "123456789012\033", -2, -2, 16, "123456789012");
74	one(1, "width_ascii", "123", 2, 2, -1, "12");
75	one(1, "width_double", "a\343\201\201", 2, 1, -1, "a");
76	one(1, "double_fit", "a\343\201\201", 3, 3, 4, "a\343\201\201");
77	one(1, "double_spc", "a\343\201\201", 4, 3, 4, "a\343\201\201");
78
79	TEST_START("C_setlocale");
80	loc = setlocale(LC_CTYPE, "C");
81	ASSERT_PTR_NE(loc, NULL);
82	TEST_DONE();
83
84	badarg();
85	one(0, "empty", "", 2, 0, 0, "");
86	one(0, "ascii", "x", -2, -2, -2, "x");
87	one(0, "newline", "a\nb", -2, -2, -2, "a\nb");
88	one(0, "cr", "a\rb", -2, -2, -2, "a\rb");
89	one(0, "tab", "a\tb", -2, -2, -2, "a\tb");
90	one(0, "esc", "\033x", -2, -2, -2, "\\033x");
91	one(0, "inv_badbyte", "\377x", -2, -2, -2, "\\377x");
92	one(0, "inv_nocont", "\341x", -2, -2, -2, "\\341x");
93	one(0, "inv_nolead", "a\200b", -2, -2, -2, "a\\200b");
94	one(0, "sz_ascii", "1234567890123456", -2, -2, 16, "123456789012345");
95	one(0, "sz_esc", "123456789012\033", -2, -2, 16, "123456789012");
96	one(0, "width_ascii", "123", 2, 2, -1, "12");
97	one(0, "width_double", "a\343\201\201", 2, 1, -1, "a");
98	one(0, "double_fit", "a\343\201\201", 7, 5, -1, "a\\343");
99	one(0, "double_spc", "a\343\201\201", 13, 13, 13, "a\\343\\201\\201");
100}
101