tests/rump/rumpkern/t_copy.c

   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 }