diff options
Diffstat (limited to 'lib/libkvm/tests/kvm_geterr_test.c')
| -rw-r--r-- | lib/libkvm/tests/kvm_geterr_test.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/libkvm/tests/kvm_geterr_test.c b/lib/libkvm/tests/kvm_geterr_test.c new file mode 100644 index 0000000..dc589ac --- /dev/null +++ b/lib/libkvm/tests/kvm_geterr_test.c @@ -0,0 +1,137 @@ +/*- + * Copyright (c) 2017 Ngie Cooper <ngie@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <errno.h> +#include <fcntl.h> +#include <kvm.h> +#include <limits.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> + +#include <atf-c.h> + +#include "kvm_private.h" + +#include "kvm_test_common.h" + +ATF_TC(kvm_geterr_negative_test_NULL); +ATF_TC_HEAD(kvm_geterr_negative_test_NULL, tc) +{ + + atf_tc_set_md_var(tc, "descr", + "test that kvm_geterr(NULL) returns NULL"); +} + +ATF_TC_BODY(kvm_geterr_negative_test_NULL, tc) +{ + + ATF_REQUIRE(!errbuf_has_error(kvm_geterr(NULL))); +} + +ATF_TC(kvm_geterr_positive_test_error); +ATF_TC_HEAD(kvm_geterr_positive_test_error, tc) +{ + + atf_tc_set_md_var(tc, "descr", + "test that kvm_geterr(kd) when kd doesn't contain an error returns \"\""); + atf_tc_set_md_var(tc, "require.user", "root"); +} + +ATF_TC_BODY(kvm_geterr_positive_test_error, tc) +{ + kvm_t *kd; + char *error_msg; + + errbuf_clear(); + kd = kvm_open2(NULL, NULL, O_RDONLY, errbuf, NULL); + ATF_CHECK(!errbuf_has_error(errbuf)); + ATF_REQUIRE_MSG(kd != NULL, "kvm_open2 failed: %s", errbuf); + ATF_REQUIRE_MSG(kvm_write(kd, 0, NULL, 0) == -1, + "kvm_write succeeded unexpectedly on an O_RDONLY file descriptor"); + error_msg = kvm_geterr(kd); + ATF_CHECK(errbuf_has_error(error_msg)); + ATF_REQUIRE_MSG(kvm_close(kd) == 0, "kvm_close failed: %s", + strerror(errno)); +} + +ATF_TC(kvm_geterr_positive_test_no_error); +ATF_TC_HEAD(kvm_geterr_positive_test_no_error, tc) +{ + + atf_tc_set_md_var(tc, "descr", + "test that kvm_geterr(kd) when kd contains an error returns an error message"); + atf_tc_set_md_var(tc, "require.user", "root"); +} + +ATF_TC_BODY(kvm_geterr_positive_test_no_error, tc) +{ +#define ALL_IS_WELL "that ends well" + kvm_t *kd; + char *error_msg; + struct nlist nl[] = { +#define SYMNAME "_mp_maxcpus" +#define X_MAXCPUS 0 + { SYMNAME, 0, 0, 0, 0 }, + { NULL, 0, 0, 0, 0 }, + }; + ssize_t rc; + int mp_maxcpus, retcode; + + errbuf_clear(); + kd = kvm_open2(NULL, NULL, O_RDONLY, errbuf, NULL); + ATF_CHECK(!errbuf_has_error(errbuf)); + ATF_REQUIRE_MSG(kd != NULL, "kvm_open2 failed: %s", errbuf); + retcode = kvm_nlist(kd, nl); + ATF_REQUIRE_MSG(retcode != -1, + "kvm_nlist failed (returned %d): %s", retcode, kvm_geterr(kd)); + if (nl[X_MAXCPUS].n_type == 0) + atf_tc_skip("symbol (\"%s\") couldn't be found", SYMNAME); + _kvm_err(kd, NULL, "%s", ALL_IS_WELL); /* XXX: internal API */ + rc = kvm_read(kd, nl[X_MAXCPUS].n_value, &mp_maxcpus, + sizeof(mp_maxcpus)); + + ATF_REQUIRE_MSG(rc != -1, "kvm_read failed: %s", kvm_geterr(kd)); + error_msg = kvm_geterr(kd); + ATF_REQUIRE_MSG(strcmp(error_msg, ALL_IS_WELL) == 0, + "error message changed: %s", error_msg); + ATF_REQUIRE_MSG(kvm_close(kd) == 0, "kvm_close failed: %s", + strerror(errno)); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, kvm_geterr_negative_test_NULL); + ATF_TP_ADD_TC(tp, kvm_geterr_positive_test_error); + ATF_TP_ADD_TC(tp, kvm_geterr_positive_test_no_error); + + return (atf_no_error()); +} |
