tests: Move unit tests into a separate directory

The main tests directory still looks very crowded, and it's not
clear which files are part of a unit tests and which belong to
a different test subsystem. Let's clean up the mess and move the
unit tests to a separate directory.

Message-Id: <20210310063314.1049838-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 0 insertions, 581 deletions

diff --git a/tests/test-iov.c b/tests/test-iov.c
deleted file mode 100644
index 9c415e2f1f..0000000000
--- a/tests/test-iov.c
+++ /dev/null
@@ -1,581 +0,0 @@
-#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();
-}