xref: /freebsd/crypto/openssh/regress/unittests/utf8/tests.c (revision a90b9d0159070121c221b966469c3e36d912bf82)
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 "includes.h"
10 
11 #include <locale.h>
12 #include <stdarg.h>
13 #include <string.h>
14 #include <stdio.h>
15 
16 #include "../test_helper/test_helper.h"
17 
18 #include "utf8.h"
19 
20 static void
21 badarg(void)
22 {
23 	char	 buf[16];
24 	int	 len, width;
25 
26 	width = 1;
27 	TEST_START("utf8_badarg");
28 	len = snmprintf(buf, sizeof(buf), &width, "\377");
29 	ASSERT_INT_EQ(len, -1);
30 	ASSERT_STRING_EQ(buf, "");
31 	ASSERT_INT_EQ(width, 0);
32 	TEST_DONE();
33 }
34 
35 static void
36 one(int utf8, const char *name, const char *mbs, int width,
37     int wantwidth, int wantlen, const char *wants)
38 {
39 	char	 buf[16];
40 	int	*wp;
41 	int	 len;
42 
43 	if (wantlen == -2)
44 		wantlen = strlen(wants);
45 	(void)strlcpy(buf, utf8 ? "utf8_" : "c_", sizeof(buf));
46 	(void)strlcat(buf, name, sizeof(buf));
47 	TEST_START(buf);
48 	wp = wantwidth == -2 ? NULL : &width;
49 	len = snmprintf(buf, sizeof(buf), wp, "%s", mbs);
50 	ASSERT_INT_EQ(len, wantlen);
51 	ASSERT_STRING_EQ(buf, wants);
52 	ASSERT_INT_EQ(width, wantwidth);
53 	TEST_DONE();
54 }
55 
56 void
57 tests(void)
58 {
59 	char	*loc;
60 
61 	TEST_START("utf8_setlocale");
62 	loc = setlocale(LC_CTYPE, "en_US.UTF-8");
63 	ASSERT_PTR_NE(loc, NULL);
64 	TEST_DONE();
65 
66 	badarg();
67 	one(1, "empty", "", 2, 0, 0, "");
68 	one(1, "ascii", "x", -2, -2, -2, "x");
69 	one(1, "newline", "a\nb", -2, -2, -2, "a\nb");
70 	one(1, "cr", "a\rb", -2, -2, -2, "a\rb");
71 	one(1, "tab", "a\tb", -2, -2, -2, "a\tb");
72 	one(1, "esc", "\033x", -2, -2, -2, "\\033x");
73 	one(1, "inv_badbyte", "\377x", -2, -2, -2, "\\377x");
74 	one(1, "inv_nocont", "\341x", -2, -2, -2, "\\341x");
75 	one(1, "inv_nolead", "a\200b", -2, -2, -2, "a\\200b");
76 	one(1, "sz_ascii", "1234567890123456", -2, -2, 16, "123456789012345");
77 	one(1, "sz_esc", "123456789012\033", -2, -2, 16, "123456789012");
78 	one(1, "width_ascii", "123", 2, 2, -1, "12");
79 	one(1, "width_double", "a\343\201\201", 2, 1, -1, "a");
80 	one(1, "double_fit", "a\343\201\201", 3, 3, 4, "a\343\201\201");
81 	one(1, "double_spc", "a\343\201\201", 4, 3, 4, "a\343\201\201");
82 
83 	TEST_START("C_setlocale");
84 	loc = setlocale(LC_CTYPE, "C");
85 	ASSERT_PTR_NE(loc, NULL);
86 	TEST_DONE();
87 
88 	badarg();
89 	one(0, "empty", "", 2, 0, 0, "");
90 	one(0, "ascii", "x", -2, -2, -2, "x");
91 	one(0, "newline", "a\nb", -2, -2, -2, "a\nb");
92 	one(0, "cr", "a\rb", -2, -2, -2, "a\rb");
93 	one(0, "tab", "a\tb", -2, -2, -2, "a\tb");
94 	one(0, "esc", "\033x", -2, -2, -2, "\\033x");
95 	one(0, "inv_badbyte", "\377x", -2, -2, -2, "\\377x");
96 	one(0, "inv_nocont", "\341x", -2, -2, -2, "\\341x");
97 	one(0, "inv_nolead", "a\200b", -2, -2, -2, "a\\200b");
98 	one(0, "sz_ascii", "1234567890123456", -2, -2, 16, "123456789012345");
99 	one(0, "sz_esc", "123456789012\033", -2, -2, 16, "123456789012");
100 	one(0, "width_ascii", "123", 2, 2, -1, "12");
101 	one(0, "width_double", "a\343\201\201", 2, 1, -1, "a");
102 	one(0, "double_fit", "a\343\201\201", 7, 5, -1, "a\\343");
103 	one(0, "double_spc", "a\343\201\201", 13, 13, 13, "a\\343\\201\\201");
104 }
105