2 * Copyright (c) 2002-2004 Tim J. Robbins
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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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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17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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28 * Test program for mblen(), as specified by IEEE Std. 1003.1-2001 and
31 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
32 * "ja_JP.eucJP". Other encodings are not tested.
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
46 ATF_TC_WITHOUT_HEAD(mblen_test);
47 ATF_TC_BODY(mblen_test, tc)
49 char buf[MB_LEN_MAX + 1];
55 ATF_REQUIRE(MB_CUR_MAX == 1);
57 /* No shift states in C locale. */
58 ATF_REQUIRE(mblen(NULL, 0) == 0);
60 /* Null wide character. */
61 memset(buf, 0xcc, sizeof(buf));
63 ATF_REQUIRE(mblen(buf, 1) == 0);
67 ATF_REQUIRE(mblen(buf, 1) == 1);
69 /* Incomplete character sequence. */
71 ATF_REQUIRE(mblen(buf, 0) == -1);
72 ATF_REQUIRE(mblen(NULL, 0) == 0);
75 * Japanese (EUC) locale.
78 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
79 ATF_REQUIRE(MB_CUR_MAX > 1);
81 /* No shift states in EUC. */
82 ATF_REQUIRE(mblen(NULL, 0) == 0);
84 /* Null wide character. */
85 memset(buf, 0xcc, sizeof(buf));
87 ATF_REQUIRE(mblen(buf, 1) == 0);
91 ATF_REQUIRE(mblen(buf, 1) == 1);
93 /* Incomplete character sequence. */
95 ATF_REQUIRE(mblen(buf, 0) == -1);
96 ATF_REQUIRE(mblen(NULL, 0) == 0);
98 /* Incomplete character sequence (truncated double-byte). */
99 memset(buf, 0xcc, sizeof(buf));
102 ATF_REQUIRE(mblen(buf, 1) == -1);
103 ATF_REQUIRE(mblen(NULL, 0) == 0);
105 /* Same as above, but complete. */
107 ATF_REQUIRE(mblen(buf, 2) == 2);
113 ATF_TP_ADD_TC(tp, mblen_test);
115 return (atf_no_error());