Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-03-12' into staging

* Move unit and bench tests into separate directories
* Clean-up and improve gitlab-ci jobs
* Drop the non-working "check-speed" makefile target
* Minor documentation updates

# gpg: Signature made Fri 12 Mar 2021 17:18:45 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-03-12:
  README: Add Documentation blurb
  MAINTAINERS: Merge the Gitlab-CI section into the generic CI section
  tests: remove "make check-speed" in favor of "make bench"
  gitlab-ci.yml: Merge check-crypto-old jobs into the build-crypto-old jobs
  gitlab-ci.yml: Merge one of the coroutine jobs with the tcg-disabled job
  gitlab-ci.yml: Add some missing dependencies to the jobs
  gitlab-ci.yml: Move build-tools-and-docs-debian to a better place
  tests: Move benchmarks into a separate folder
  tests: Move unit tests into a separate directory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 581 insertions, 0 deletions

diff --git a/tests/unit/test-iov.c b/tests/unit/test-iov.c
new file mode 100644
index 0000000000..9c415e2f1f
--- /dev/null
+++ b/tests/unit/test-iov.c
@@ -0,0 +1,581 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/iov.h"
+#include "qemu/sockets.h"
+
+/* create a randomly-sized iovec with random vectors */
+static void iov_random(struct iovec **iovp, unsigned *iov_cntp)
+{
+     unsigned niov = g_test_rand_int_range(3,8);
+     struct iovec *iov = g_malloc(niov * sizeof(*iov));
+     unsigned i;
+     for (i = 0; i < niov; ++i) {
+         iov[i].iov_len = g_test_rand_int_range(5,20);
+         iov[i].iov_base = g_malloc(iov[i].iov_len);
+     }
+     *iovp = iov;
+     *iov_cntp = niov;
+}
+
+static void iov_free(struct iovec *iov, unsigned niov)
+{
+    unsigned i;
+    for (i = 0; i < niov; ++i) {
+        g_free(iov[i].iov_base);
+    }
+    g_free(iov);
+}
+
+static bool iov_equals(const struct iovec *a, const struct iovec *b,
+                       unsigned niov)
+{
+    return memcmp(a, b, sizeof(a[0]) * niov) == 0;
+}
+
+static void test_iov_bytes(struct iovec *iov, unsigned niov,
+                           size_t offset, size_t bytes)
+{
+    unsigned i;
+    size_t j, o;
+    unsigned char *b;
+    o = 0;
+
+    /* we walk over all elements, */
+    for (i = 0; i < niov; ++i) {
+        b = iov[i].iov_base;
+        /* over each char of each element, */
+        for (j = 0; j < iov[i].iov_len; ++j) {
+            /* counting each of them and
+             * verifying that the ones within [offset,offset+bytes)
+             * range are equal to the position number (o) */
+            if (o >= offset && o < offset + bytes) {
+                g_assert(b[j] == (o & 255));
+            } else {
+                g_assert(b[j] == 0xff);
+            }
+            ++o;
+        }
+    }
+}
+
+static void test_to_from_buf_1(void)
+{
+     unsigned niov;
+     struct iovec *iov;
+     size_t sz;
+     unsigned char *ibuf, *obuf;
+     unsigned i, j, n;
+
+     iov_random(&iov, &niov);
+
+     sz = iov_size(iov, niov);
+
+     ibuf = g_malloc(sz + 8) + 4;
+     memcpy(ibuf-4, "aaaa", 4); memcpy(ibuf + sz, "bbbb", 4);
+     obuf = g_malloc(sz + 8) + 4;
+     memcpy(obuf-4, "xxxx", 4); memcpy(obuf + sz, "yyyy", 4);
+
+     /* fill in ibuf with 0123456... */
+     for (i = 0; i < sz; ++i) {
+         ibuf[i] = i & 255;
+     }
+
+     for (i = 0; i <= sz; ++i) {
+
+         /* Test from/to buf for offset(i) in [0..sz] up to the end of buffer.
+          * For last iteration with offset == sz, the procedure should
+          * skip whole vector and process exactly 0 bytes */
+
+         /* first set bytes [i..sz) to some "random" value */
+         n = iov_memset(iov, niov, 0, 0xff, sz);
+         g_assert(n == sz);
+
+         /* next copy bytes [i..sz) from ibuf to iovec */
+         n = iov_from_buf(iov, niov, i, ibuf + i, sz - i);
+         g_assert(n == sz - i);
+
+         /* clear part of obuf */
+         memset(obuf + i, 0, sz - i);
+         /* and set this part of obuf to values from iovec */
+         n = iov_to_buf(iov, niov, i, obuf + i, sz - i);
+         g_assert(n == sz - i);
+
+         /* now compare resulting buffers */
+         g_assert(memcmp(ibuf, obuf, sz) == 0);
+
+         /* test just one char */
+         n = iov_to_buf(iov, niov, i, obuf + i, 1);
+         g_assert(n == (i < sz));
+         if (n) {
+             g_assert(obuf[i] == (i & 255));
+         }
+
+         for (j = i; j <= sz; ++j) {
+             /* now test num of bytes cap up to byte no. j,
+              * with j in [i..sz]. */
+
+             /* clear iovec */
+             n = iov_memset(iov, niov, 0, 0xff, sz);
+             g_assert(n == sz);
+
+             /* copy bytes [i..j) from ibuf to iovec */
+             n = iov_from_buf(iov, niov, i, ibuf + i, j - i);
+             g_assert(n == j - i);
+
+             /* clear part of obuf */
+             memset(obuf + i, 0, j - i);
+
+             /* copy bytes [i..j) from iovec to obuf */
+             n = iov_to_buf(iov, niov, i, obuf + i, j - i);
+             g_assert(n == j - i);
+
+             /* verify result */
+             g_assert(memcmp(ibuf, obuf, sz) == 0);
+
+             /* now actually check if the iovec contains the right data */
+             test_iov_bytes(iov, niov, i, j - i);
+         }
+    }
+    g_assert(!memcmp(ibuf-4, "aaaa", 4) && !memcmp(ibuf+sz, "bbbb", 4));
+    g_free(ibuf-4);
+    g_assert(!memcmp(obuf-4, "xxxx", 4) && !memcmp(obuf+sz, "yyyy", 4));
+    g_free(obuf-4);
+    iov_free(iov, niov);
+}
+
+static void test_to_from_buf(void)
+{
+    int x;
+    for (x = 0; x < 4; ++x) {
+        test_to_from_buf_1();
+    }
+}
+
+static void test_io(void)
+{
+#ifndef _WIN32
+/* socketpair(PF_UNIX) which does not exist on windows */
+
+    int sv[2];
+    int r;
+    unsigned i, j, k, s, t;
+    fd_set fds;
+    unsigned niov;
+    struct iovec *iov, *siov;
+    unsigned char *buf;
+    size_t sz;
+
+    iov_random(&iov, &niov);
+    sz = iov_size(iov, niov);
+    buf = g_malloc(sz);
+    for (i = 0; i < sz; ++i) {
+        buf[i] = i & 255;
+    }
+    iov_from_buf(iov, niov, 0, buf, sz);
+
+    siov = g_memdup(iov, sizeof(*iov) * niov);
+
+    if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) < 0) {
+       perror("socketpair");
+       exit(1);
+    }
+
+    FD_ZERO(&fds);
+
+    t = 0;
+    if (fork() == 0) {
+       /* writer */
+
+       close(sv[0]);
+       FD_SET(sv[1], &fds);
+       fcntl(sv[1], F_SETFL, O_RDWR|O_NONBLOCK);
+       r = g_test_rand_int_range(sz / 2, sz);
+       setsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &r, sizeof(r));
+
+       for (i = 0; i <= sz; ++i) {
+           for (j = i; j <= sz; ++j) {
+               k = i;
+               do {
+                   s = g_test_rand_int_range(0, j - k + 1);
+                   r = iov_send(sv[1], iov, niov, k, s);
+                   g_assert(memcmp(iov, siov, sizeof(*iov)*niov) == 0);
+                   if (r >= 0) {
+                       k += r;
+                       t += r;
+                       usleep(g_test_rand_int_range(0, 30));
+                   } else if (errno == EAGAIN) {
+                       select(sv[1]+1, NULL, &fds, NULL, NULL);
+                       continue;
+                   } else {
+                       perror("send");
+                       exit(1);
+                   }
+               } while(k < j);
+           }
+       }
+       iov_free(iov, niov);
+       g_free(buf);
+       g_free(siov);
+       exit(0);
+
+    } else {
+       /* reader & verifier */
+
+       close(sv[1]);
+       FD_SET(sv[0], &fds);
+       fcntl(sv[0], F_SETFL, O_RDWR|O_NONBLOCK);
+       r = g_test_rand_int_range(sz / 2, sz);
+       setsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &r, sizeof(r));
+       usleep(500000);
+
+       for (i = 0; i <= sz; ++i) {
+           for (j = i; j <= sz; ++j) {
+               k = i;
+               iov_memset(iov, niov, 0, 0xff, sz);
+               do {
+                   s = g_test_rand_int_range(0, j - k + 1);
+                   r = iov_recv(sv[0], iov, niov, k, s);
+                   g_assert(memcmp(iov, siov, sizeof(*iov)*niov) == 0);
+                   if (r > 0) {
+                       k += r;
+                       t += r;
+                   } else if (!r) {
+                       if (s) {
+                           break;
+                       }
+                   } else if (errno == EAGAIN) {
+                       select(sv[0]+1, &fds, NULL, NULL, NULL);
+                       continue;
+                   } else {
+                       perror("recv");
+                       exit(1);
+                   }
+               } while(k < j);
+               test_iov_bytes(iov, niov, i, j - i);
+           }
+        }
+
+       iov_free(iov, niov);
+       g_free(buf);
+       g_free(siov);
+     }
+#endif
+}
+
+static void test_discard_front(void)
+{
+    struct iovec *iov;
+    struct iovec *iov_tmp;
+    unsigned int iov_cnt;
+    unsigned int iov_cnt_tmp;
+    void *old_base;
+    size_t size;
+    size_t ret;
+
+    /* Discard zero bytes */
+    iov_random(&iov, &iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    ret = iov_discard_front(&iov_tmp, &iov_cnt_tmp, 0);
+    g_assert(ret == 0);
+    g_assert(iov_tmp == iov);
+    g_assert(iov_cnt_tmp == iov_cnt);
+    iov_free(iov, iov_cnt);
+
+    /* Discard more bytes than vector size */
+    iov_random(&iov, &iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    ret = iov_discard_front(&iov_tmp, &iov_cnt_tmp, size + 1);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == 0);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire vector */
+    iov_random(&iov, &iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    ret = iov_discard_front(&iov_tmp, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == 0);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within first element */
+    iov_random(&iov, &iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    old_base = iov->iov_base;
+    size = g_test_rand_int_range(1, iov->iov_len);
+    ret = iov_discard_front(&iov_tmp, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_tmp == iov);
+    g_assert(iov_cnt_tmp == iov_cnt);
+    g_assert(iov_tmp->iov_base == old_base + size);
+    iov_tmp->iov_base = old_base; /* undo before g_free() */
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire first element */
+    iov_random(&iov, &iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    ret = iov_discard_front(&iov_tmp, &iov_cnt_tmp, iov->iov_len);
+    g_assert(ret == iov->iov_len);
+    g_assert(iov_tmp == iov + 1);
+    g_assert(iov_cnt_tmp == iov_cnt - 1);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within second element */
+    iov_random(&iov, &iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    old_base = iov[1].iov_base;
+    size = iov->iov_len + g_test_rand_int_range(1, iov[1].iov_len);
+    ret = iov_discard_front(&iov_tmp, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_tmp == iov + 1);
+    g_assert(iov_cnt_tmp == iov_cnt - 1);
+    g_assert(iov_tmp->iov_base == old_base + (size - iov->iov_len));
+    iov_tmp->iov_base = old_base; /* undo before g_free() */
+    iov_free(iov, iov_cnt);
+}
+
+static void test_discard_front_undo(void)
+{
+    IOVDiscardUndo undo;
+    struct iovec *iov;
+    struct iovec *iov_tmp;
+    struct iovec *iov_orig;
+    unsigned int iov_cnt;
+    unsigned int iov_cnt_tmp;
+    size_t size;
+
+    /* Discard zero bytes */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, 0, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard more bytes than vector size */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size + 1, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire vector */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within first element */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    size = g_test_rand_int_range(1, iov->iov_len);
+    iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire first element */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, iov->iov_len, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within second element */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_tmp = iov;
+    iov_cnt_tmp = iov_cnt;
+    size = iov->iov_len + g_test_rand_int_range(1, iov[1].iov_len);
+    iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+}
+
+static void test_discard_back(void)
+{
+    struct iovec *iov;
+    unsigned int iov_cnt;
+    unsigned int iov_cnt_tmp;
+    void *old_base;
+    size_t size;
+    size_t ret;
+
+    /* Discard zero bytes */
+    iov_random(&iov, &iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    ret = iov_discard_back(iov, &iov_cnt_tmp, 0);
+    g_assert(ret == 0);
+    g_assert(iov_cnt_tmp == iov_cnt);
+    iov_free(iov, iov_cnt);
+
+    /* Discard more bytes than vector size */
+    iov_random(&iov, &iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    ret = iov_discard_back(iov, &iov_cnt_tmp, size + 1);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == 0);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire vector */
+    iov_random(&iov, &iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    ret = iov_discard_back(iov, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == 0);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within last element */
+    iov_random(&iov, &iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    old_base = iov[iov_cnt - 1].iov_base;
+    size = g_test_rand_int_range(1, iov[iov_cnt - 1].iov_len);
+    ret = iov_discard_back(iov, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == iov_cnt);
+    g_assert(iov[iov_cnt - 1].iov_base == old_base);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire last element */
+    iov_random(&iov, &iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    old_base = iov[iov_cnt - 1].iov_base;
+    size = iov[iov_cnt - 1].iov_len;
+    ret = iov_discard_back(iov, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == iov_cnt - 1);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within second-to-last element */
+    iov_random(&iov, &iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    old_base = iov[iov_cnt - 2].iov_base;
+    size = iov[iov_cnt - 1].iov_len +
+           g_test_rand_int_range(1, iov[iov_cnt - 2].iov_len);
+    ret = iov_discard_back(iov, &iov_cnt_tmp, size);
+    g_assert(ret == size);
+    g_assert(iov_cnt_tmp == iov_cnt - 1);
+    g_assert(iov[iov_cnt - 2].iov_base == old_base);
+    iov_free(iov, iov_cnt);
+}
+
+static void test_discard_back_undo(void)
+{
+    IOVDiscardUndo undo;
+    struct iovec *iov;
+    struct iovec *iov_orig;
+    unsigned int iov_cnt;
+    unsigned int iov_cnt_tmp;
+    size_t size;
+
+    /* Discard zero bytes */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    iov_discard_back_undoable(iov, &iov_cnt_tmp, 0, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard more bytes than vector size */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    iov_discard_back_undoable(iov, &iov_cnt_tmp, size + 1, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire vector */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = iov_size(iov, iov_cnt);
+    iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within last element */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = g_test_rand_int_range(1, iov[iov_cnt - 1].iov_len);
+    iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard entire last element */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = iov[iov_cnt - 1].iov_len;
+    iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+
+    /* Discard within second-to-last element */
+    iov_random(&iov, &iov_cnt);
+    iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt);
+    iov_cnt_tmp = iov_cnt;
+    size = iov[iov_cnt - 1].iov_len +
+           g_test_rand_int_range(1, iov[iov_cnt - 2].iov_len);
+    iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo);
+    iov_discard_undo(&undo);
+    assert(iov_equals(iov, iov_orig, iov_cnt));
+    g_free(iov_orig);
+    iov_free(iov, iov_cnt);
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_rand_int();
+    g_test_add_func("/basic/iov/from-to-buf", test_to_from_buf);
+    g_test_add_func("/basic/iov/io", test_io);
+    g_test_add_func("/basic/iov/discard-front", test_discard_front);
+    g_test_add_func("/basic/iov/discard-back", test_discard_back);
+    g_test_add_func("/basic/iov/discard-front-undo", test_discard_front_undo);
+    g_test_add_func("/basic/iov/discard-back-undo", test_discard_back_undo);
+    return g_test_run();
+}