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, 921 deletions

diff --git a/tests/test-aio.c b/tests/test-aio.c
deleted file mode 100644
index 8a46078..0000000
--- a/tests/test-aio.c
+++ /dev/null
@@ -1,921 +0,0 @@
-/*
- * AioContext tests
- *
- * Copyright Red Hat, Inc. 2012
- *
- * Authors:
- *  Paolo Bonzini    <pbonzini@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2 or later.
- * See the COPYING.LIB file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "block/aio.h"
-#include "qapi/error.h"
-#include "qemu/timer.h"
-#include "qemu/sockets.h"
-#include "qemu/error-report.h"
-#include "qemu/coroutine.h"
-#include "qemu/main-loop.h"
-
-static AioContext *ctx;
-
-typedef struct {
-    EventNotifier e;
-    int n;
-    int active;
-    bool auto_set;
-} EventNotifierTestData;
-
-/* Wait until event notifier becomes inactive */
-static void wait_until_inactive(EventNotifierTestData *data)
-{
-    while (data->active > 0) {
-        aio_poll(ctx, true);
-    }
-}
-
-/* Simple callbacks for testing.  */
-
-typedef struct {
-    QEMUBH *bh;
-    int n;
-    int max;
-} BHTestData;
-
-typedef struct {
-    QEMUTimer timer;
-    QEMUClockType clock_type;
-    int n;
-    int max;
-    int64_t ns;
-    AioContext *ctx;
-} TimerTestData;
-
-static void bh_test_cb(void *opaque)
-{
-    BHTestData *data = opaque;
-    if (++data->n < data->max) {
-        qemu_bh_schedule(data->bh);
-    }
-}
-
-static void timer_test_cb(void *opaque)
-{
-    TimerTestData *data = opaque;
-    if (++data->n < data->max) {
-        timer_mod(&data->timer,
-                  qemu_clock_get_ns(data->clock_type) + data->ns);
-    }
-}
-
-static void dummy_io_handler_read(EventNotifier *e)
-{
-}
-
-static void bh_delete_cb(void *opaque)
-{
-    BHTestData *data = opaque;
-    if (++data->n < data->max) {
-        qemu_bh_schedule(data->bh);
-    } else {
-        qemu_bh_delete(data->bh);
-        data->bh = NULL;
-    }
-}
-
-static void event_ready_cb(EventNotifier *e)
-{
-    EventNotifierTestData *data = container_of(e, EventNotifierTestData, e);
-    g_assert(event_notifier_test_and_clear(e));
-    data->n++;
-    if (data->active > 0) {
-        data->active--;
-    }
-    if (data->auto_set && data->active) {
-        event_notifier_set(e);
-    }
-}
-
-/* Tests using aio_*.  */
-
-typedef struct {
-    QemuMutex start_lock;
-    EventNotifier notifier;
-    bool thread_acquired;
-} AcquireTestData;
-
-static void *test_acquire_thread(void *opaque)
-{
-    AcquireTestData *data = opaque;
-
-    /* Wait for other thread to let us start */
-    qemu_mutex_lock(&data->start_lock);
-    qemu_mutex_unlock(&data->start_lock);
-
-    /* event_notifier_set might be called either before or after
-     * the main thread's call to poll().  The test case's outcome
-     * should be the same in either case.
-     */
-    event_notifier_set(&data->notifier);
-    aio_context_acquire(ctx);
-    aio_context_release(ctx);
-
-    data->thread_acquired = true; /* success, we got here */
-
-    return NULL;
-}
-
-static void set_event_notifier(AioContext *ctx, EventNotifier *notifier,
-                               EventNotifierHandler *handler)
-{
-    aio_set_event_notifier(ctx, notifier, false, handler, NULL);
-}
-
-static void dummy_notifier_read(EventNotifier *n)
-{
-    event_notifier_test_and_clear(n);
-}
-
-static void test_acquire(void)
-{
-    QemuThread thread;
-    AcquireTestData data;
-
-    /* Dummy event notifier ensures aio_poll() will block */
-    event_notifier_init(&data.notifier, false);
-    set_event_notifier(ctx, &data.notifier, dummy_notifier_read);
-    g_assert(!aio_poll(ctx, false)); /* consume aio_notify() */
-
-    qemu_mutex_init(&data.start_lock);
-    qemu_mutex_lock(&data.start_lock);
-    data.thread_acquired = false;
-
-    qemu_thread_create(&thread, "test_acquire_thread",
-                       test_acquire_thread,
-                       &data, QEMU_THREAD_JOINABLE);
-
-    /* Block in aio_poll(), let other thread kick us and acquire context */
-    aio_context_acquire(ctx);
-    qemu_mutex_unlock(&data.start_lock); /* let the thread run */
-    g_assert(aio_poll(ctx, true));
-    g_assert(!data.thread_acquired);
-    aio_context_release(ctx);
-
-    qemu_thread_join(&thread);
-    set_event_notifier(ctx, &data.notifier, NULL);
-    event_notifier_cleanup(&data.notifier);
-
-    g_assert(data.thread_acquired);
-}
-
-static void test_bh_schedule(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(aio_poll(ctx, true));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_bh_schedule10(void)
-{
-    BHTestData data = { .n = 0, .max = 10 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(aio_poll(ctx, true));
-    g_assert_cmpint(data.n, ==, 2);
-
-    while (data.n < 10) {
-        aio_poll(ctx, true);
-    }
-    g_assert_cmpint(data.n, ==, 10);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 10);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_bh_cancel(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    qemu_bh_cancel(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_bh_delete(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    qemu_bh_delete(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-}
-
-static void test_bh_delete_from_cb(void)
-{
-    BHTestData data1 = { .n = 0, .max = 1 };
-
-    data1.bh = aio_bh_new(ctx, bh_delete_cb, &data1);
-
-    qemu_bh_schedule(data1.bh);
-    g_assert_cmpint(data1.n, ==, 0);
-
-    while (data1.n < data1.max) {
-        aio_poll(ctx, true);
-    }
-    g_assert_cmpint(data1.n, ==, data1.max);
-    g_assert(data1.bh == NULL);
-
-    g_assert(!aio_poll(ctx, false));
-}
-
-static void test_bh_delete_from_cb_many(void)
-{
-    BHTestData data1 = { .n = 0, .max = 1 };
-    BHTestData data2 = { .n = 0, .max = 3 };
-    BHTestData data3 = { .n = 0, .max = 2 };
-    BHTestData data4 = { .n = 0, .max = 4 };
-
-    data1.bh = aio_bh_new(ctx, bh_delete_cb, &data1);
-    data2.bh = aio_bh_new(ctx, bh_delete_cb, &data2);
-    data3.bh = aio_bh_new(ctx, bh_delete_cb, &data3);
-    data4.bh = aio_bh_new(ctx, bh_delete_cb, &data4);
-
-    qemu_bh_schedule(data1.bh);
-    qemu_bh_schedule(data2.bh);
-    qemu_bh_schedule(data3.bh);
-    qemu_bh_schedule(data4.bh);
-    g_assert_cmpint(data1.n, ==, 0);
-    g_assert_cmpint(data2.n, ==, 0);
-    g_assert_cmpint(data3.n, ==, 0);
-    g_assert_cmpint(data4.n, ==, 0);
-
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data1.n, ==, 1);
-    g_assert_cmpint(data2.n, ==, 1);
-    g_assert_cmpint(data3.n, ==, 1);
-    g_assert_cmpint(data4.n, ==, 1);
-    g_assert(data1.bh == NULL);
-
-    while (data1.n < data1.max ||
-           data2.n < data2.max ||
-           data3.n < data3.max ||
-           data4.n < data4.max) {
-        aio_poll(ctx, true);
-    }
-    g_assert_cmpint(data1.n, ==, data1.max);
-    g_assert_cmpint(data2.n, ==, data2.max);
-    g_assert_cmpint(data3.n, ==, data3.max);
-    g_assert_cmpint(data4.n, ==, data4.max);
-    g_assert(data1.bh == NULL);
-    g_assert(data2.bh == NULL);
-    g_assert(data3.bh == NULL);
-    g_assert(data4.bh == NULL);
-}
-
-static void test_bh_flush(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(aio_poll(ctx, true));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_set_event_notifier(void)
-{
-    EventNotifierTestData data = { .n = 0, .active = 0 };
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-
-    set_event_notifier(ctx, &data.e, NULL);
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_wait_event_notifier(void)
-{
-    EventNotifierTestData data = { .n = 0, .active = 1 };
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-    while (aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-    g_assert_cmpint(data.active, ==, 1);
-
-    event_notifier_set(&data.e);
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert_cmpint(data.active, ==, 0);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert_cmpint(data.active, ==, 0);
-
-    set_event_notifier(ctx, &data.e, NULL);
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_flush_event_notifier(void)
-{
-    EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-    while (aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-    g_assert_cmpint(data.active, ==, 10);
-
-    event_notifier_set(&data.e);
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert_cmpint(data.active, ==, 9);
-    g_assert(aio_poll(ctx, false));
-
-    wait_until_inactive(&data);
-    g_assert_cmpint(data.n, ==, 10);
-    g_assert_cmpint(data.active, ==, 0);
-    g_assert(!aio_poll(ctx, false));
-
-    set_event_notifier(ctx, &data.e, NULL);
-    g_assert(!aio_poll(ctx, false));
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_aio_external_client(void)
-{
-    int i, j;
-
-    for (i = 1; i < 3; i++) {
-        EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
-        event_notifier_init(&data.e, false);
-        aio_set_event_notifier(ctx, &data.e, true, event_ready_cb, NULL);
-        event_notifier_set(&data.e);
-        for (j = 0; j < i; j++) {
-            aio_disable_external(ctx);
-        }
-        for (j = 0; j < i; j++) {
-            assert(!aio_poll(ctx, false));
-            assert(event_notifier_test_and_clear(&data.e));
-            event_notifier_set(&data.e);
-            aio_enable_external(ctx);
-        }
-        assert(aio_poll(ctx, false));
-        set_event_notifier(ctx, &data.e, NULL);
-        event_notifier_cleanup(&data.e);
-    }
-}
-
-static void test_wait_event_notifier_noflush(void)
-{
-    EventNotifierTestData data = { .n = 0 };
-    EventNotifierTestData dummy = { .n = 0, .active = 1 };
-
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-
-    /* Until there is an active descriptor, aio_poll may or may not call
-     * event_ready_cb.  Still, it must not block.  */
-    event_notifier_set(&data.e);
-    g_assert(aio_poll(ctx, true));
-    data.n = 0;
-
-    /* An active event notifier forces aio_poll to look at EventNotifiers.  */
-    event_notifier_init(&dummy.e, false);
-    set_event_notifier(ctx, &dummy.e, event_ready_cb);
-
-    event_notifier_set(&data.e);
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    event_notifier_set(&data.e);
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 2);
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 2);
-
-    event_notifier_set(&dummy.e);
-    wait_until_inactive(&dummy);
-    g_assert_cmpint(data.n, ==, 2);
-    g_assert_cmpint(dummy.n, ==, 1);
-    g_assert_cmpint(dummy.active, ==, 0);
-
-    set_event_notifier(ctx, &dummy.e, NULL);
-    event_notifier_cleanup(&dummy.e);
-
-    set_event_notifier(ctx, &data.e, NULL);
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 2);
-
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_timer_schedule(void)
-{
-    TimerTestData data = { .n = 0, .ctx = ctx, .ns = SCALE_MS * 750LL,
-                           .max = 2,
-                           .clock_type = QEMU_CLOCK_REALTIME };
-    EventNotifier e;
-
-    /* aio_poll will not block to wait for timers to complete unless it has
-     * an fd to wait on. Fixing this breaks other tests. So create a dummy one.
-     */
-    event_notifier_init(&e, false);
-    set_event_notifier(ctx, &e, dummy_io_handler_read);
-    aio_poll(ctx, false);
-
-    aio_timer_init(ctx, &data.timer, data.clock_type,
-                   SCALE_NS, timer_test_cb, &data);
-    timer_mod(&data.timer,
-              qemu_clock_get_ns(data.clock_type) +
-              data.ns);
-
-    g_assert_cmpint(data.n, ==, 0);
-
-    /* timer_mod may well cause an event notifer to have gone off,
-     * so clear that
-     */
-    do {} while (aio_poll(ctx, false));
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_usleep(1 * G_USEC_PER_SEC);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    /* timer_mod called by our callback */
-    do {} while (aio_poll(ctx, false));
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(aio_poll(ctx, true));
-    g_assert_cmpint(data.n, ==, 2);
-
-    /* As max is now 2, an event notifier should not have gone off */
-
-    g_assert(!aio_poll(ctx, false));
-    g_assert_cmpint(data.n, ==, 2);
-
-    set_event_notifier(ctx, &e, NULL);
-    event_notifier_cleanup(&e);
-
-    timer_del(&data.timer);
-}
-
-/* Now the same tests, using the context as a GSource.  They are
- * very similar to the ones above, with g_main_context_iteration
- * replacing aio_poll.  However:
- * - sometimes both the AioContext and the glib main loop wake
- *   themselves up.  Hence, some "g_assert(!aio_poll(ctx, false));"
- *   are replaced by "while (g_main_context_iteration(NULL, false));".
- * - there is no exact replacement for a blocking wait.
- *   "while (g_main_context_iteration(NULL, true)" seems to work,
- *   but it is not documented _why_ it works.  For these tests a
- *   non-blocking loop like "while (g_main_context_iteration(NULL, false)"
- *   works well, and that's what I am using.
- */
-
-static void test_source_flush(void)
-{
-    g_assert(!g_main_context_iteration(NULL, false));
-    aio_notify(ctx);
-    while (g_main_context_iteration(NULL, false));
-    g_assert(!g_main_context_iteration(NULL, false));
-}
-
-static void test_source_bh_schedule(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(g_main_context_iteration(NULL, true));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(!g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_source_bh_schedule10(void)
-{
-    BHTestData data = { .n = 0, .max = 10 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(g_main_context_iteration(NULL, true));
-    g_assert_cmpint(data.n, ==, 2);
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 10);
-
-    g_assert(!g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 10);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_source_bh_cancel(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    qemu_bh_cancel(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_source_bh_delete(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    qemu_bh_delete(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-}
-
-static void test_source_bh_delete_from_cb(void)
-{
-    BHTestData data1 = { .n = 0, .max = 1 };
-
-    data1.bh = aio_bh_new(ctx, bh_delete_cb, &data1);
-
-    qemu_bh_schedule(data1.bh);
-    g_assert_cmpint(data1.n, ==, 0);
-
-    g_main_context_iteration(NULL, true);
-    g_assert_cmpint(data1.n, ==, data1.max);
-    g_assert(data1.bh == NULL);
-
-    assert(g_main_context_iteration(NULL, false));
-    assert(!g_main_context_iteration(NULL, false));
-}
-
-static void test_source_bh_delete_from_cb_many(void)
-{
-    BHTestData data1 = { .n = 0, .max = 1 };
-    BHTestData data2 = { .n = 0, .max = 3 };
-    BHTestData data3 = { .n = 0, .max = 2 };
-    BHTestData data4 = { .n = 0, .max = 4 };
-
-    data1.bh = aio_bh_new(ctx, bh_delete_cb, &data1);
-    data2.bh = aio_bh_new(ctx, bh_delete_cb, &data2);
-    data3.bh = aio_bh_new(ctx, bh_delete_cb, &data3);
-    data4.bh = aio_bh_new(ctx, bh_delete_cb, &data4);
-
-    qemu_bh_schedule(data1.bh);
-    qemu_bh_schedule(data2.bh);
-    qemu_bh_schedule(data3.bh);
-    qemu_bh_schedule(data4.bh);
-    g_assert_cmpint(data1.n, ==, 0);
-    g_assert_cmpint(data2.n, ==, 0);
-    g_assert_cmpint(data3.n, ==, 0);
-    g_assert_cmpint(data4.n, ==, 0);
-
-    g_assert(g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data1.n, ==, 1);
-    g_assert_cmpint(data2.n, ==, 1);
-    g_assert_cmpint(data3.n, ==, 1);
-    g_assert_cmpint(data4.n, ==, 1);
-    g_assert(data1.bh == NULL);
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data1.n, ==, data1.max);
-    g_assert_cmpint(data2.n, ==, data2.max);
-    g_assert_cmpint(data3.n, ==, data3.max);
-    g_assert_cmpint(data4.n, ==, data4.max);
-    g_assert(data1.bh == NULL);
-    g_assert(data2.bh == NULL);
-    g_assert(data3.bh == NULL);
-    g_assert(data4.bh == NULL);
-}
-
-static void test_source_bh_flush(void)
-{
-    BHTestData data = { .n = 0 };
-    data.bh = aio_bh_new(ctx, bh_test_cb, &data);
-
-    qemu_bh_schedule(data.bh);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(g_main_context_iteration(NULL, true));
-    g_assert_cmpint(data.n, ==, 1);
-
-    g_assert(!g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-    qemu_bh_delete(data.bh);
-}
-
-static void test_source_set_event_notifier(void)
-{
-    EventNotifierTestData data = { .n = 0, .active = 0 };
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-
-    set_event_notifier(ctx, &data.e, NULL);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_source_wait_event_notifier(void)
-{
-    EventNotifierTestData data = { .n = 0, .active = 1 };
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-    g_assert_cmpint(data.active, ==, 1);
-
-    event_notifier_set(&data.e);
-    g_assert(g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert_cmpint(data.active, ==, 0);
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert_cmpint(data.active, ==, 0);
-
-    set_event_notifier(ctx, &data.e, NULL);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_source_flush_event_notifier(void)
-{
-    EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-    g_assert_cmpint(data.active, ==, 10);
-
-    event_notifier_set(&data.e);
-    g_assert(g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert_cmpint(data.active, ==, 9);
-    g_assert(g_main_context_iteration(NULL, false));
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 10);
-    g_assert_cmpint(data.active, ==, 0);
-    g_assert(!g_main_context_iteration(NULL, false));
-
-    set_event_notifier(ctx, &data.e, NULL);
-    while (g_main_context_iteration(NULL, false));
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_source_wait_event_notifier_noflush(void)
-{
-    EventNotifierTestData data = { .n = 0 };
-    EventNotifierTestData dummy = { .n = 0, .active = 1 };
-
-    event_notifier_init(&data.e, false);
-    set_event_notifier(ctx, &data.e, event_ready_cb);
-
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 0);
-
-    /* Until there is an active descriptor, glib may or may not call
-     * event_ready_cb.  Still, it must not block.  */
-    event_notifier_set(&data.e);
-    g_main_context_iteration(NULL, true);
-    data.n = 0;
-
-    /* An active event notifier forces aio_poll to look at EventNotifiers.  */
-    event_notifier_init(&dummy.e, false);
-    set_event_notifier(ctx, &dummy.e, event_ready_cb);
-
-    event_notifier_set(&data.e);
-    g_assert(g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-    g_assert(!g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 1);
-
-    event_notifier_set(&data.e);
-    g_assert(g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 2);
-    g_assert(!g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 2);
-
-    event_notifier_set(&dummy.e);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 2);
-    g_assert_cmpint(dummy.n, ==, 1);
-    g_assert_cmpint(dummy.active, ==, 0);
-
-    set_event_notifier(ctx, &dummy.e, NULL);
-    event_notifier_cleanup(&dummy.e);
-
-    set_event_notifier(ctx, &data.e, NULL);
-    while (g_main_context_iteration(NULL, false));
-    g_assert_cmpint(data.n, ==, 2);
-
-    event_notifier_cleanup(&data.e);
-}
-
-static void test_source_timer_schedule(void)
-{
-    TimerTestData data = { .n = 0, .ctx = ctx, .ns = SCALE_MS * 750LL,
-                           .max = 2,
-                           .clock_type = QEMU_CLOCK_REALTIME };
-    EventNotifier e;
-    int64_t expiry;
-
-    /* aio_poll will not block to wait for timers to complete unless it has
-     * an fd to wait on. Fixing this breaks other tests. So create a dummy one.
-     */
-    event_notifier_init(&e, false);
-    set_event_notifier(ctx, &e, dummy_io_handler_read);
-    do {} while (g_main_context_iteration(NULL, false));
-
-    aio_timer_init(ctx, &data.timer, data.clock_type,
-                   SCALE_NS, timer_test_cb, &data);
-    expiry = qemu_clock_get_ns(data.clock_type) +
-        data.ns;
-    timer_mod(&data.timer, expiry);
-
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_usleep(1 * G_USEC_PER_SEC);
-    g_assert_cmpint(data.n, ==, 0);
-
-    g_assert(g_main_context_iteration(NULL, true));
-    g_assert_cmpint(data.n, ==, 1);
-    expiry += data.ns;
-
-    while (data.n < 2) {
-        g_main_context_iteration(NULL, true);
-    }
-
-    g_assert_cmpint(data.n, ==, 2);
-    g_assert(qemu_clock_get_ns(data.clock_type) > expiry);
-
-    set_event_notifier(ctx, &e, NULL);
-    event_notifier_cleanup(&e);
-
-    timer_del(&data.timer);
-}
-
-/*
- * Check that aio_co_enter() can chain many times
- *
- * Two coroutines should be able to invoke each other via aio_co_enter() many
- * times without hitting a limit like stack exhaustion.  In other words, the
- * calls should be chained instead of nested.
- */
-
-typedef struct {
-    Coroutine *other;
-    unsigned i;
-    unsigned max;
-} ChainData;
-
-static void coroutine_fn chain(void *opaque)
-{
-    ChainData *data = opaque;
-
-    for (data->i = 0; data->i < data->max; data->i++) {
-        /* Queue up the other coroutine... */
-        aio_co_enter(ctx, data->other);
-
-        /* ...and give control to it */
-        qemu_coroutine_yield();
-    }
-}
-
-static void test_queue_chaining(void)
-{
-    /* This number of iterations hit stack exhaustion in the past: */
-    ChainData data_a = { .max = 25000 };
-    ChainData data_b = { .max = 25000 };
-
-    data_b.other = qemu_coroutine_create(chain, &data_a);
-    data_a.other = qemu_coroutine_create(chain, &data_b);
-
-    qemu_coroutine_enter(data_b.other);
-
-    g_assert_cmpint(data_a.i, ==, data_a.max);
-    g_assert_cmpint(data_b.i, ==, data_b.max - 1);
-
-    /* Allow the second coroutine to terminate */
-    qemu_coroutine_enter(data_a.other);
-
-    g_assert_cmpint(data_b.i, ==, data_b.max);
-}
-
-/* End of tests.  */
-
-int main(int argc, char **argv)
-{
-    qemu_init_main_loop(&error_fatal);
-    ctx = qemu_get_aio_context();
-
-    while (g_main_context_iteration(NULL, false));
-
-    g_test_init(&argc, &argv, NULL);
-    g_test_add_func("/aio/acquire",                 test_acquire);
-    g_test_add_func("/aio/bh/schedule",             test_bh_schedule);
-    g_test_add_func("/aio/bh/schedule10",           test_bh_schedule10);
-    g_test_add_func("/aio/bh/cancel",               test_bh_cancel);
-    g_test_add_func("/aio/bh/delete",               test_bh_delete);
-    g_test_add_func("/aio/bh/callback-delete/one",  test_bh_delete_from_cb);
-    g_test_add_func("/aio/bh/callback-delete/many", test_bh_delete_from_cb_many);
-    g_test_add_func("/aio/bh/flush",                test_bh_flush);
-    g_test_add_func("/aio/event/add-remove",        test_set_event_notifier);
-    g_test_add_func("/aio/event/wait",              test_wait_event_notifier);
-    g_test_add_func("/aio/event/wait/no-flush-cb",  test_wait_event_notifier_noflush);
-    g_test_add_func("/aio/event/flush",             test_flush_event_notifier);
-    g_test_add_func("/aio/external-client",         test_aio_external_client);
-    g_test_add_func("/aio/timer/schedule",          test_timer_schedule);
-
-    g_test_add_func("/aio/coroutine/queue-chaining", test_queue_chaining);
-
-    g_test_add_func("/aio-gsource/flush",                   test_source_flush);
-    g_test_add_func("/aio-gsource/bh/schedule",             test_source_bh_schedule);
-    g_test_add_func("/aio-gsource/bh/schedule10",           test_source_bh_schedule10);
-    g_test_add_func("/aio-gsource/bh/cancel",               test_source_bh_cancel);
-    g_test_add_func("/aio-gsource/bh/delete",               test_source_bh_delete);
-    g_test_add_func("/aio-gsource/bh/callback-delete/one",  test_source_bh_delete_from_cb);
-    g_test_add_func("/aio-gsource/bh/callback-delete/many", test_source_bh_delete_from_cb_many);
-    g_test_add_func("/aio-gsource/bh/flush",                test_source_bh_flush);
-    g_test_add_func("/aio-gsource/event/add-remove",        test_source_set_event_notifier);
-    g_test_add_func("/aio-gsource/event/wait",              test_source_wait_event_notifier);
-    g_test_add_func("/aio-gsource/event/wait/no-flush-cb",  test_source_wait_event_notifier_noflush);
-    g_test_add_func("/aio-gsource/event/flush",             test_source_flush_event_notifier);
-    g_test_add_func("/aio-gsource/timer/schedule",          test_source_timer_schedule);
-    return g_test_run();
-}