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      1 /*	$NetBSD: t_copy.c,v 1.2 2013/07/26 16:09:48 njoly Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
     17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
     18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include <sys/types.h>
     31 
     32 #include <atf-c.h>
     33 #include <errno.h>
     34 #include <string.h>
     35 
     36 #include <rump/rump.h>
     37 
     38 ATF_TC(copystr);
     39 ATF_TC_HEAD(copystr, tc)
     40 {
     41 
     42 	atf_tc_set_md_var(tc, "descr", "Tests copystr()");
     43 }
     44 
     45 ATF_TC(copyinstr);
     46 ATF_TC_HEAD(copyinstr, tc)
     47 {
     48 
     49 	atf_tc_set_md_var(tc, "descr", "Tests copyinstr()");
     50 }
     51 
     52 ATF_TC(copyoutstr);
     53 ATF_TC_HEAD(copyoutstr, tc)
     54 {
     55 
     56 	atf_tc_set_md_var(tc, "descr", "Tests copyoutstr()");
     57 }
     58 
     59 typedef int (copystr_fn)(const void *, void *, size_t, size_t *);
     60 typedef int (copy_fn)(const void *, void *, size_t);
     61 
     62 extern copystr_fn rumpns_copystr, rumpns_copyinstr, rumpns_copyoutstr;
     63 extern copy_fn rumpns_copyin, rumpns_copyout;
     64 
     65 #define TESTSTR "jippii, lisaa puuroa"
     66 
     67 static void
     68 dotest(copystr_fn *thefun)
     69 {
     70 	char buf[sizeof(TESTSTR)+1];
     71 	size_t len;
     72 
     73 	rump_init();
     74 	rump_schedule();
     75 
     76 	/* larger buffer */
     77 	memset(buf, 0xaa, sizeof(buf));
     78 	ATF_REQUIRE_EQ(thefun(TESTSTR, buf, sizeof(buf), &len), 0);
     79 	ATF_REQUIRE_EQ(len, sizeof(TESTSTR));
     80 	ATF_REQUIRE_STREQ(TESTSTR, buf);
     81 
     82 	/* just large enough */
     83 	memset(buf, 0xaa, sizeof(buf));
     84 	ATF_REQUIRE_EQ(thefun(TESTSTR, buf, sizeof(buf)-1, &len), 0);
     85 	ATF_REQUIRE_EQ(len, sizeof(TESTSTR));
     86 	ATF_REQUIRE_STREQ(TESTSTR, buf);
     87 
     88 	/* one too small */
     89 	memset(buf, 0xaa, sizeof(buf));
     90 	ATF_REQUIRE_EQ(thefun(TESTSTR, buf, sizeof(buf)-2, NULL), ENAMETOOLONG);
     91 
     92 	rump_unschedule();
     93 }
     94 
     95 ATF_TC_BODY(copystr, tc)
     96 {
     97 
     98 	dotest(rumpns_copystr);
     99 }
    100 
    101 ATF_TC_BODY(copyinstr, tc)
    102 {
    103 
    104 	dotest(rumpns_copyinstr);
    105 }
    106 
    107 ATF_TC_BODY(copyoutstr, tc)
    108 {
    109 
    110 	dotest(rumpns_copyoutstr);
    111 }
    112 
    113 ATF_TC(copy_efault);
    114 ATF_TC_HEAD(copy_efault, tc)
    115 {
    116 
    117 	atf_tc_set_md_var(tc, "descr", "Tests that copy(9) functions can return EFAULT");
    118 }
    119 ATF_TC_BODY(copy_efault, tc)
    120 {
    121 	char buf[1024];
    122 
    123 	ATF_REQUIRE_EQ(rumpns_copyin(NULL, buf, sizeof(buf)), EFAULT);
    124 	ATF_REQUIRE_EQ(rumpns_copyout(buf, NULL, sizeof(buf)), EFAULT);
    125 
    126 	ATF_REQUIRE_EQ(rumpns_copyinstr(NULL, buf, sizeof(buf), NULL), EFAULT);
    127 	ATF_REQUIRE_EQ(rumpns_copyoutstr(buf, NULL, sizeof(buf), NULL), EFAULT);
    128 }
    129 
    130 ATF_TP_ADD_TCS(tp)
    131 {
    132 
    133 	ATF_TP_ADD_TC(tp, copystr);
    134 	ATF_TP_ADD_TC(tp, copyinstr);
    135 	ATF_TP_ADD_TC(tp, copyoutstr);
    136 	ATF_TP_ADD_TC(tp, copy_efault);
    137 
    138 	return atf_no_error();
    139 }
    140