1/*-
2 * Copyright (c) 2002 Tim J. Robbins
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright

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28 * Test program for mbtowc(), as specified by IEEE Std. 1003.1-2001 and
29 * ISO/IEC 9899:1990.
30 *
31 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
32 * "ja_JP.eucJP". Other encodings are not tested.
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/tools/regression/lib/libc/locale/test-mbtowc.c 106686 2002-11-09 04:33:02Z tjr $");
37
38#include <assert.h>
39#include <limits.h>
40#include <locale.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44

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69 assert(mbtowc(&wc, buf, 1) == 1);
70 assert(wc == L'A');
71
72 /* Incomplete character sequence. */
73 wc = L'z';
74 buf[0] = '\0';
75 assert(mbtowc(&wc, buf, 0) == -1);
76 assert(wc == L'z');
77
78 /*
79 * Japanese (EUC) locale.
80 */
81
82 assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
83 assert(MB_CUR_MAX > 1);
84

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94 assert(mbtowc(&wc, buf, 1) == 1);
95 assert(wc == L'A');
96
97 /* Incomplete character sequence (zero length). */
98 wc = L'z';
99 buf[0] = '\0';
100 assert(mbtowc(&wc, buf, 0) == -1);
101 assert(wc == L'z');
102
103 /* Incomplete character sequence (truncated double-byte). */
104 memset(buf, 0xcc, sizeof(buf));
105 buf[0] = 0xa3;
106 buf[1] = 0x00;
107 wc = L'z';
108 assert(mbtowc(&wc, buf, 1) == -1);
109 assert(wc == L'z');
110
111 /* Same as above, but complete. */
112 buf[1] = 0xc1;
113 assert(mbtowc(&wc, buf, 2) == 2);
114 assert(wc == 0xa3c1);
115
116 printf("PASS mbtowc()\n");
117
118 return (0);
119}