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, 1560 deletions

diff --git a/tests/test-char.c b/tests/test-char.c
deleted file mode 100644
index 755d54c..0000000
--- a/tests/test-char.c
+++ /dev/null
@@ -1,1560 +0,0 @@
-#include "qemu/osdep.h"
-#include <glib/gstdio.h>
-
-#include "qemu/config-file.h"
-#include "qemu/module.h"
-#include "qemu/option.h"
-#include "qemu/sockets.h"
-#include "chardev/char-fe.h"
-#include "sysemu/sysemu.h"
-#include "qapi/error.h"
-#include "qapi/qapi-commands-char.h"
-#include "qapi/qmp/qdict.h"
-#include "qom/qom-qobject.h"
-#include "io/channel-socket.h"
-#include "qapi/qobject-input-visitor.h"
-#include "qapi/qapi-visit-sockets.h"
-#include "socket-helpers.h"
-
-static bool quit;
-
-typedef struct FeHandler {
-    int read_count;
-    bool is_open;
-    int openclose_count;
-    bool openclose_mismatch;
-    int last_event;
-    char read_buf[128];
-} FeHandler;
-
-static void main_loop(void)
-{
-    quit = false;
-    do {
-        main_loop_wait(false);
-    } while (!quit);
-}
-
-static int fe_can_read(void *opaque)
-{
-    FeHandler *h = opaque;
-
-    return sizeof(h->read_buf) - h->read_count;
-}
-
-static void fe_read(void *opaque, const uint8_t *buf, int size)
-{
-    FeHandler *h = opaque;
-
-    g_assert_cmpint(size, <=, fe_can_read(opaque));
-
-    memcpy(h->read_buf + h->read_count, buf, size);
-    h->read_count += size;
-    quit = true;
-}
-
-static void fe_event(void *opaque, QEMUChrEvent event)
-{
-    FeHandler *h = opaque;
-    bool new_open_state;
-
-    h->last_event = event;
-    switch (event) {
-    case CHR_EVENT_BREAK:
-        break;
-    case CHR_EVENT_OPENED:
-    case CHR_EVENT_CLOSED:
-        h->openclose_count++;
-        new_open_state = (event == CHR_EVENT_OPENED);
-        if (h->is_open == new_open_state) {
-            h->openclose_mismatch = true;
-        }
-        h->is_open = new_open_state;
-        /* fallthrough */
-    default:
-        quit = true;
-        break;
-    }
-}
-
-#ifdef _WIN32
-static void char_console_test_subprocess(void)
-{
-    QemuOpts *opts;
-    Chardev *chr;
-
-    opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label",
-                            1, &error_abort);
-    qemu_opt_set(opts, "backend", "console", &error_abort);
-
-    chr = qemu_chr_new_from_opts(opts, NULL, NULL);
-    g_assert_nonnull(chr);
-
-    qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7);
-
-    qemu_opts_del(opts);
-    object_unparent(OBJECT(chr));
-}
-
-static void char_console_test(void)
-{
-    g_test_trap_subprocess("/char/console/subprocess", 0, 0);
-    g_test_trap_assert_passed();
-    g_test_trap_assert_stdout("CONSOLE");
-}
-#endif
-static void char_stdio_test_subprocess(void)
-{
-    Chardev *chr;
-    CharBackend be;
-    int ret;
-
-    chr = qemu_chr_new("label", "stdio", NULL);
-    g_assert_nonnull(chr);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-    qemu_chr_fe_set_open(&be, true);
-    ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
-    g_assert_cmpint(ret, ==, 4);
-
-    qemu_chr_fe_deinit(&be, true);
-}
-
-static void char_stdio_test(void)
-{
-    g_test_trap_subprocess("/char/stdio/subprocess", 0, 0);
-    g_test_trap_assert_passed();
-    g_test_trap_assert_stdout("buf");
-}
-
-static void char_ringbuf_test(void)
-{
-    QemuOpts *opts;
-    Chardev *chr;
-    CharBackend be;
-    char *data;
-    int ret;
-
-    opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
-                            1, &error_abort);
-    qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
-
-    qemu_opt_set(opts, "size", "5", &error_abort);
-    chr = qemu_chr_new_from_opts(opts, NULL, NULL);
-    g_assert_null(chr);
-    qemu_opts_del(opts);
-
-    opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
-                            1, &error_abort);
-    qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
-    qemu_opt_set(opts, "size", "2", &error_abort);
-    chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    g_assert_nonnull(chr);
-    qemu_opts_del(opts);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-    ret = qemu_chr_fe_write(&be, (void *)"buff", 4);
-    g_assert_cmpint(ret, ==, 4);
-
-    data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
-    g_assert_cmpstr(data, ==, "ff");
-    g_free(data);
-
-    data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
-    g_assert_cmpstr(data, ==, "");
-    g_free(data);
-
-    qemu_chr_fe_deinit(&be, true);
-
-    /* check alias */
-    opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label",
-                            1, &error_abort);
-    qemu_opt_set(opts, "backend", "memory", &error_abort);
-    qemu_opt_set(opts, "size", "2", &error_abort);
-    chr = qemu_chr_new_from_opts(opts, NULL, NULL);
-    g_assert_nonnull(chr);
-    object_unparent(OBJECT(chr));
-    qemu_opts_del(opts);
-}
-
-static void char_mux_test(void)
-{
-    QemuOpts *opts;
-    Chardev *chr, *base;
-    char *data;
-    FeHandler h1 = { 0, false, 0, false, }, h2 = { 0, false, 0, false, };
-    CharBackend chr_be1, chr_be2;
-
-    opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label",
-                            1, &error_abort);
-    qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
-    qemu_opt_set(opts, "size", "128", &error_abort);
-    qemu_opt_set(opts, "mux", "on", &error_abort);
-    chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    g_assert_nonnull(chr);
-    qemu_opts_del(opts);
-
-    qemu_chr_fe_init(&chr_be1, chr, &error_abort);
-    qemu_chr_fe_set_handlers(&chr_be1,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             &h1,
-                             NULL, true);
-
-    qemu_chr_fe_init(&chr_be2, chr, &error_abort);
-    qemu_chr_fe_set_handlers(&chr_be2,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             &h2,
-                             NULL, true);
-    qemu_chr_fe_take_focus(&chr_be2);
-
-    base = qemu_chr_find("mux-label-base");
-    g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0);
-
-    qemu_chr_be_write(base, (void *)"hello", 6);
-    g_assert_cmpint(h1.read_count, ==, 0);
-    g_assert_cmpint(h2.read_count, ==, 6);
-    g_assert_cmpstr(h2.read_buf, ==, "hello");
-    h2.read_count = 0;
-
-    g_assert_cmpint(h1.last_event, !=, 42); /* should be MUX_OUT or OPENED */
-    g_assert_cmpint(h2.last_event, !=, 42); /* should be MUX_IN or OPENED */
-    /* sending event on the base broadcast to all fe, historical reasons? */
-    qemu_chr_be_event(base, 42);
-    g_assert_cmpint(h1.last_event, ==, 42);
-    g_assert_cmpint(h2.last_event, ==, 42);
-    qemu_chr_be_event(chr, -1);
-    g_assert_cmpint(h1.last_event, ==, 42);
-    g_assert_cmpint(h2.last_event, ==, -1);
-
-    /* switch focus */
-    qemu_chr_be_write(base, (void *)"\1b", 2);
-    g_assert_cmpint(h1.last_event, ==, 42);
-    g_assert_cmpint(h2.last_event, ==, CHR_EVENT_BREAK);
-
-    qemu_chr_be_write(base, (void *)"\1c", 2);
-    g_assert_cmpint(h1.last_event, ==, CHR_EVENT_MUX_IN);
-    g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
-    qemu_chr_be_event(chr, -1);
-    g_assert_cmpint(h1.last_event, ==, -1);
-    g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
-
-    qemu_chr_be_write(base, (void *)"hello", 6);
-    g_assert_cmpint(h2.read_count, ==, 0);
-    g_assert_cmpint(h1.read_count, ==, 6);
-    g_assert_cmpstr(h1.read_buf, ==, "hello");
-    h1.read_count = 0;
-
-    qemu_chr_be_write(base, (void *)"\1b", 2);
-    g_assert_cmpint(h1.last_event, ==, CHR_EVENT_BREAK);
-    g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
-
-    /* open/close state and corresponding events */
-    g_assert_true(qemu_chr_fe_backend_open(&chr_be1));
-    g_assert_true(qemu_chr_fe_backend_open(&chr_be2));
-    g_assert_true(h1.is_open);
-    g_assert_false(h1.openclose_mismatch);
-    g_assert_true(h2.is_open);
-    g_assert_false(h2.openclose_mismatch);
-
-    h1.openclose_count = h2.openclose_count = 0;
-
-    qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL,
-                             NULL, NULL, false);
-    qemu_chr_fe_set_handlers(&chr_be2, NULL, NULL, NULL, NULL,
-                             NULL, NULL, false);
-    g_assert_cmpint(h1.openclose_count, ==, 0);
-    g_assert_cmpint(h2.openclose_count, ==, 0);
-
-    h1.is_open = h2.is_open = false;
-    qemu_chr_fe_set_handlers(&chr_be1,
-                             NULL,
-                             NULL,
-                             fe_event,
-                             NULL,
-                             &h1,
-                             NULL, false);
-    qemu_chr_fe_set_handlers(&chr_be2,
-                             NULL,
-                             NULL,
-                             fe_event,
-                             NULL,
-                             &h2,
-                             NULL, false);
-    g_assert_cmpint(h1.openclose_count, ==, 1);
-    g_assert_false(h1.openclose_mismatch);
-    g_assert_cmpint(h2.openclose_count, ==, 1);
-    g_assert_false(h2.openclose_mismatch);
-
-    qemu_chr_be_event(base, CHR_EVENT_CLOSED);
-    qemu_chr_be_event(base, CHR_EVENT_OPENED);
-    g_assert_cmpint(h1.openclose_count, ==, 3);
-    g_assert_false(h1.openclose_mismatch);
-    g_assert_cmpint(h2.openclose_count, ==, 3);
-    g_assert_false(h2.openclose_mismatch);
-
-    qemu_chr_fe_set_handlers(&chr_be2,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             &h2,
-                             NULL, false);
-    qemu_chr_fe_set_handlers(&chr_be1,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             &h1,
-                             NULL, false);
-
-    /* remove first handler */
-    qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL,
-                             NULL, NULL, true);
-    qemu_chr_be_write(base, (void *)"hello", 6);
-    g_assert_cmpint(h1.read_count, ==, 0);
-    g_assert_cmpint(h2.read_count, ==, 0);
-
-    qemu_chr_be_write(base, (void *)"\1c", 2);
-    qemu_chr_be_write(base, (void *)"hello", 6);
-    g_assert_cmpint(h1.read_count, ==, 0);
-    g_assert_cmpint(h2.read_count, ==, 6);
-    g_assert_cmpstr(h2.read_buf, ==, "hello");
-    h2.read_count = 0;
-
-    /* print help */
-    qemu_chr_be_write(base, (void *)"\1?", 2);
-    data = qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort);
-    g_assert_cmpint(strlen(data), !=, 0);
-    g_free(data);
-
-    qemu_chr_fe_deinit(&chr_be1, false);
-    qemu_chr_fe_deinit(&chr_be2, true);
-}
-
-
-static void websock_server_read(void *opaque, const uint8_t *buf, int size)
-{
-    g_assert_cmpint(size, ==, 5);
-    g_assert(memcmp(buf, "world", size) == 0);
-    quit = true;
-}
-
-
-static int websock_server_can_read(void *opaque)
-{
-    return 10;
-}
-
-
-static bool websock_check_http_headers(char *buf, int size)
-{
-    int i;
-    const char *ans[] = { "HTTP/1.1 101 Switching Protocols\r\n",
-                          "Server: QEMU VNC\r\n",
-                          "Upgrade: websocket\r\n",
-                          "Connection: Upgrade\r\n",
-                          "Sec-WebSocket-Accept:",
-                          "Sec-WebSocket-Protocol: binary\r\n" };
-
-    for (i = 0; i < 6; i++) {
-        if (g_strstr_len(buf, size, ans[i]) == NULL) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
-
-static void websock_client_read(void *opaque, const uint8_t *buf, int size)
-{
-    const uint8_t ping[] = { 0x89, 0x85,                  /* Ping header */
-                             0x07, 0x77, 0x9e, 0xf9,      /* Masking key */
-                             0x6f, 0x12, 0xf2, 0x95, 0x68 /* "hello" */ };
-
-    const uint8_t binary[] = { 0x82, 0x85,                  /* Binary header */
-                               0x74, 0x90, 0xb9, 0xdf,      /* Masking key */
-                               0x03, 0xff, 0xcb, 0xb3, 0x10 /* "world" */ };
-    Chardev *chr_client = opaque;
-
-    if (websock_check_http_headers((char *) buf, size)) {
-        qemu_chr_fe_write(chr_client->be, ping, sizeof(ping));
-    } else if (buf[0] == 0x8a && buf[1] == 0x05) {
-        g_assert(strncmp((char *) buf + 2, "hello", 5) == 0);
-        qemu_chr_fe_write(chr_client->be, binary, sizeof(binary));
-    } else {
-        g_assert(buf[0] == 0x88 && buf[1] == 0x16);
-        g_assert(strncmp((char *) buf + 4, "peer requested close", 10) == 0);
-        quit = true;
-    }
-}
-
-
-static int websock_client_can_read(void *opaque)
-{
-    return 4096;
-}
-
-
-static void char_websock_test(void)
-{
-    QObject *addr;
-    QDict *qdict;
-    const char *port;
-    char *tmp;
-    char *handshake_port;
-    CharBackend be;
-    CharBackend client_be;
-    Chardev *chr_client;
-    Chardev *chr = qemu_chr_new("server",
-                                "websocket:127.0.0.1:0,server=on,wait=off", NULL);
-    const char handshake[] = "GET / HTTP/1.1\r\n"
-                             "Upgrade: websocket\r\n"
-                             "Connection: Upgrade\r\n"
-                             "Host: localhost:%s\r\n"
-                             "Origin: http://localhost:%s\r\n"
-                             "Sec-WebSocket-Key: o9JHNiS3/0/0zYE1wa3yIw==\r\n"
-                             "Sec-WebSocket-Version: 13\r\n"
-                             "Sec-WebSocket-Protocol: binary\r\n\r\n";
-    const uint8_t close[] = { 0x88, 0x82,             /* Close header */
-                              0xef, 0xaa, 0xc5, 0x97, /* Masking key */
-                              0xec, 0x42              /* Status code */ };
-
-    addr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort);
-    qdict = qobject_to(QDict, addr);
-    port = qdict_get_str(qdict, "port");
-    tmp = g_strdup_printf("tcp:127.0.0.1:%s", port);
-    handshake_port = g_strdup_printf(handshake, port, port);
-    qobject_unref(qdict);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-    qemu_chr_fe_set_handlers(&be, websock_server_can_read, websock_server_read,
-                             NULL, NULL, chr, NULL, true);
-
-    chr_client = qemu_chr_new("client", tmp, NULL);
-    qemu_chr_fe_init(&client_be, chr_client, &error_abort);
-    qemu_chr_fe_set_handlers(&client_be, websock_client_can_read,
-                             websock_client_read,
-                             NULL, NULL, chr_client, NULL, true);
-    g_free(tmp);
-
-    qemu_chr_write_all(chr_client,
-                       (uint8_t *) handshake_port,
-                       strlen(handshake_port));
-    g_free(handshake_port);
-    main_loop();
-
-    g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-    g_assert(object_property_get_bool(OBJECT(chr_client),
-                                      "connected", &error_abort));
-
-    qemu_chr_write_all(chr_client, close, sizeof(close));
-    main_loop();
-
-    object_unparent(OBJECT(chr_client));
-    object_unparent(OBJECT(chr));
-}
-
-
-#ifndef _WIN32
-static void char_pipe_test(void)
-{
-    gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
-    gchar *tmp, *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL);
-    Chardev *chr;
-    CharBackend be;
-    int ret, fd;
-    char buf[10];
-    FeHandler fe = { 0, };
-
-    in = g_strdup_printf("%s.in", pipe);
-    if (mkfifo(in, 0600) < 0) {
-        abort();
-    }
-    out = g_strdup_printf("%s.out", pipe);
-    if (mkfifo(out, 0600) < 0) {
-        abort();
-    }
-
-    tmp = g_strdup_printf("pipe:%s", pipe);
-    chr = qemu_chr_new("pipe", tmp, NULL);
-    g_assert_nonnull(chr);
-    g_free(tmp);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-
-    ret = qemu_chr_fe_write(&be, (void *)"pipe-out", 9);
-    g_assert_cmpint(ret, ==, 9);
-
-    fd = open(out, O_RDWR);
-    ret = read(fd, buf, sizeof(buf));
-    g_assert_cmpint(ret, ==, 9);
-    g_assert_cmpstr(buf, ==, "pipe-out");
-    close(fd);
-
-    fd = open(in, O_WRONLY);
-    ret = write(fd, "pipe-in", 8);
-    g_assert_cmpint(ret, ==, 8);
-    close(fd);
-
-    qemu_chr_fe_set_handlers(&be,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             &fe,
-                             NULL, true);
-
-    main_loop();
-
-    g_assert_cmpint(fe.read_count, ==, 8);
-    g_assert_cmpstr(fe.read_buf, ==, "pipe-in");
-
-    qemu_chr_fe_deinit(&be, true);
-
-    g_assert(g_unlink(in) == 0);
-    g_assert(g_unlink(out) == 0);
-    g_assert(g_rmdir(tmp_path) == 0);
-    g_free(in);
-    g_free(out);
-    g_free(tmp_path);
-    g_free(pipe);
-}
-#endif
-
-typedef struct SocketIdleData {
-    GMainLoop *loop;
-    Chardev *chr;
-    bool conn_expected;
-    CharBackend *be;
-    CharBackend *client_be;
-} SocketIdleData;
-
-
-static void socket_read_hello(void *opaque, const uint8_t *buf, int size)
-{
-    g_assert_cmpint(size, ==, 5);
-    g_assert(strncmp((char *)buf, "hello", 5) == 0);
-
-    quit = true;
-}
-
-static int socket_can_read_hello(void *opaque)
-{
-    return 10;
-}
-
-static int make_udp_socket(int *port)
-{
-    struct sockaddr_in addr = { 0, };
-    socklen_t alen = sizeof(addr);
-    int ret, sock = qemu_socket(PF_INET, SOCK_DGRAM, 0);
-
-    g_assert_cmpint(sock, >, 0);
-    addr.sin_family = AF_INET ;
-    addr.sin_addr.s_addr = htonl(INADDR_ANY);
-    addr.sin_port = 0;
-    ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
-    g_assert_cmpint(ret, ==, 0);
-    ret = getsockname(sock, (struct sockaddr *)&addr, &alen);
-    g_assert_cmpint(ret, ==, 0);
-
-    *port = ntohs(addr.sin_port);
-    return sock;
-}
-
-static void char_udp_test_internal(Chardev *reuse_chr, int sock)
-{
-    struct sockaddr_in other;
-    SocketIdleData d = { 0, };
-    Chardev *chr;
-    CharBackend *be;
-    socklen_t alen = sizeof(other);
-    int ret;
-    char buf[10];
-    char *tmp = NULL;
-
-    if (reuse_chr) {
-        chr = reuse_chr;
-        be = chr->be;
-    } else {
-        int port;
-        sock = make_udp_socket(&port);
-        tmp = g_strdup_printf("udp:127.0.0.1:%d", port);
-        chr = qemu_chr_new("client", tmp, NULL);
-        g_assert_nonnull(chr);
-
-        be = g_alloca(sizeof(CharBackend));
-        qemu_chr_fe_init(be, chr, &error_abort);
-    }
-
-    d.chr = chr;
-    qemu_chr_fe_set_handlers(be, socket_can_read_hello, socket_read_hello,
-                             NULL, NULL, &d, NULL, true);
-    ret = qemu_chr_write_all(chr, (uint8_t *)"hello", 5);
-    g_assert_cmpint(ret, ==, 5);
-
-    ret = recvfrom(sock, buf, sizeof(buf), 0,
-                   (struct sockaddr *)&other, &alen);
-    g_assert_cmpint(ret, ==, 5);
-    ret = sendto(sock, buf, 5, 0, (struct sockaddr *)&other, alen);
-    g_assert_cmpint(ret, ==, 5);
-
-    main_loop();
-
-    if (!reuse_chr) {
-        close(sock);
-        qemu_chr_fe_deinit(be, true);
-    }
-    g_free(tmp);
-}
-
-static void char_udp_test(void)
-{
-    char_udp_test_internal(NULL, 0);
-}
-
-
-typedef struct {
-    int event;
-    bool got_pong;
-    CharBackend *be;
-} CharSocketTestData;
-
-
-#define SOCKET_PING "Hello"
-#define SOCKET_PONG "World"
-
-typedef void (*char_socket_cb)(void *opaque, QEMUChrEvent event);
-
-static void
-char_socket_event(void *opaque, QEMUChrEvent event)
-{
-    CharSocketTestData *data = opaque;
-    data->event = event;
-}
-
-static void
-char_socket_event_with_error(void *opaque, QEMUChrEvent event)
-{
-    static bool first_error;
-    CharSocketTestData *data = opaque;
-    CharBackend *be = data->be;
-    data->event = event;
-    switch (event) {
-    case CHR_EVENT_OPENED:
-        if (!first_error) {
-            first_error = true;
-            qemu_chr_fe_disconnect(be);
-        }
-        return;
-    case CHR_EVENT_CLOSED:
-        return;
-    default:
-        return;
-    }
-}
-
-
-static void
-char_socket_read(void *opaque, const uint8_t *buf, int size)
-{
-    CharSocketTestData *data = opaque;
-    g_assert_cmpint(size, ==, sizeof(SOCKET_PONG));
-    g_assert(memcmp(buf, SOCKET_PONG, size) == 0);
-    data->got_pong = true;
-}
-
-
-static int
-char_socket_can_read(void *opaque)
-{
-    return sizeof(SOCKET_PONG);
-}
-
-
-static char *
-char_socket_addr_to_opt_str(SocketAddress *addr, bool fd_pass,
-                            const char *reconnect, bool is_listen)
-{
-    if (fd_pass) {
-        QIOChannelSocket *ioc = qio_channel_socket_new();
-        int fd;
-        char *optstr;
-        g_assert(!reconnect);
-        if (is_listen) {
-            qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort);
-        } else {
-            qio_channel_socket_connect_sync(ioc, addr, &error_abort);
-        }
-        fd = ioc->fd;
-        ioc->fd = -1;
-        optstr = g_strdup_printf("socket,id=cdev0,fd=%d%s",
-                                 fd, is_listen ? ",server=on,wait=off" : "");
-        object_unref(OBJECT(ioc));
-        return optstr;
-    } else {
-        switch (addr->type) {
-        case SOCKET_ADDRESS_TYPE_INET:
-            return g_strdup_printf("socket,id=cdev0,host=%s,port=%s%s%s",
-                                   addr->u.inet.host,
-                                   addr->u.inet.port,
-                                   reconnect ? reconnect : "",
-                                   is_listen ? ",server=on,wait=off" : "");
-
-        case SOCKET_ADDRESS_TYPE_UNIX:
-            return g_strdup_printf("socket,id=cdev0,path=%s%s%s",
-                                   addr->u.q_unix.path,
-                                   reconnect ? reconnect : "",
-                                   is_listen ? ",server=on,wait=off" : "");
-
-        default:
-            g_assert_not_reached();
-        }
-    }
-}
-
-
-static int
-char_socket_ping_pong(QIOChannel *ioc, Error **errp)
-{
-    char greeting[sizeof(SOCKET_PING)];
-    const char *response = SOCKET_PONG;
-
-    int ret;
-    ret = qio_channel_read_all(ioc, greeting, sizeof(greeting), errp);
-    if (ret != 0) {
-        object_unref(OBJECT(ioc));
-        return -1;
-    }
-
-    g_assert(memcmp(greeting, SOCKET_PING, sizeof(greeting)) == 0);
-
-    qio_channel_write_all(ioc, response, sizeof(SOCKET_PONG), errp);
-    object_unref(OBJECT(ioc));
-    return 0;
-}
-
-
-static gpointer
-char_socket_server_client_thread(gpointer data)
-{
-    SocketAddress *addr = data;
-    QIOChannelSocket *ioc = qio_channel_socket_new();
-
-    qio_channel_socket_connect_sync(ioc, addr, &error_abort);
-
-    char_socket_ping_pong(QIO_CHANNEL(ioc), &error_abort);
-
-    return NULL;
-}
-
-
-typedef struct {
-    SocketAddress *addr;
-    bool wait_connected;
-    bool fd_pass;
-} CharSocketServerTestConfig;
-
-
-static void char_socket_server_test(gconstpointer opaque)
-{
-    const CharSocketServerTestConfig *config = opaque;
-    Chardev *chr;
-    CharBackend be = {0};
-    CharSocketTestData data = {0};
-    QObject *qaddr;
-    SocketAddress *addr;
-    Visitor *v;
-    QemuThread thread;
-    int ret;
-    bool reconnected = false;
-    char *optstr;
-    QemuOpts *opts;
-
-    g_setenv("QTEST_SILENT_ERRORS", "1", 1);
-    /*
-     * We rely on config->addr containing "wait=off", otherwise
-     * qemu_chr_new() will block until a client connects. We
-     * can't spawn our client thread though, because until
-     * qemu_chr_new() returns we don't know what TCP port was
-     * allocated by the OS
-     */
-    optstr = char_socket_addr_to_opt_str(config->addr,
-                                         config->fd_pass,
-                                         NULL,
-                                         true);
-    opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
-                                   optstr, true);
-    g_assert_nonnull(opts);
-    chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    qemu_opts_del(opts);
-    g_assert_nonnull(chr);
-    g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-
-    qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort);
-    g_assert_nonnull(qaddr);
-
-    v = qobject_input_visitor_new(qaddr);
-    visit_type_SocketAddress(v, "addr", &addr, &error_abort);
-    visit_free(v);
-    qobject_unref(qaddr);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-
- reconnect:
-    data.event = -1;
-    data.be = &be;
-    qemu_chr_fe_set_handlers(&be, NULL, NULL,
-                             char_socket_event, NULL,
-                             &data, NULL, true);
-    g_assert(data.event == -1);
-
-    /*
-     * Kick off a thread to act as the "remote" client
-     * which just plays ping-pong with us
-     */
-    qemu_thread_create(&thread, "client",
-                       char_socket_server_client_thread,
-                       addr, QEMU_THREAD_JOINABLE);
-    g_assert(data.event == -1);
-
-    if (config->wait_connected) {
-        /* Synchronously accept a connection */
-        qemu_chr_wait_connected(chr, &error_abort);
-    } else {
-        /*
-         * Asynchronously accept a connection when the evnt
-         * loop reports the listener socket as readable
-         */
-        while (data.event == -1) {
-            main_loop_wait(false);
-        }
-    }
-    g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-    g_assert(data.event == CHR_EVENT_OPENED);
-    data.event = -1;
-
-    /* Send a greeting to the client */
-    ret = qemu_chr_fe_write_all(&be, (const uint8_t *)SOCKET_PING,
-                                sizeof(SOCKET_PING));
-    g_assert_cmpint(ret, ==, sizeof(SOCKET_PING));
-    g_assert(data.event == -1);
-
-    /* Setup a callback to receive the reply to our greeting */
-    qemu_chr_fe_set_handlers(&be, char_socket_can_read,
-                             char_socket_read,
-                             char_socket_event, NULL,
-                             &data, NULL, true);
-    g_assert(data.event == CHR_EVENT_OPENED);
-    data.event = -1;
-
-    /* Wait for the client to go away */
-    while (data.event == -1) {
-        main_loop_wait(false);
-    }
-    g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-    g_assert(data.event == CHR_EVENT_CLOSED);
-    g_assert(data.got_pong);
-
-    qemu_thread_join(&thread);
-
-    if (!reconnected) {
-        reconnected = true;
-        goto reconnect;
-    }
-
-    qapi_free_SocketAddress(addr);
-    object_unparent(OBJECT(chr));
-    g_free(optstr);
-    g_unsetenv("QTEST_SILENT_ERRORS");
-}
-
-
-static gpointer
-char_socket_client_server_thread(gpointer data)
-{
-    QIOChannelSocket *ioc = data;
-    QIOChannelSocket *cioc;
-
-retry:
-    cioc = qio_channel_socket_accept(ioc, &error_abort);
-    g_assert_nonnull(cioc);
-
-    if (char_socket_ping_pong(QIO_CHANNEL(cioc), NULL) != 0) {
-        goto retry;
-    }
-
-    return NULL;
-}
-
-
-typedef struct {
-    SocketAddress *addr;
-    const char *reconnect;
-    bool wait_connected;
-    bool fd_pass;
-    char_socket_cb event_cb;
-} CharSocketClientTestConfig;
-
-static void char_socket_client_dupid_test(gconstpointer opaque)
-{
-    const CharSocketClientTestConfig *config = opaque;
-    QIOChannelSocket *ioc;
-    char *optstr;
-    Chardev *chr1, *chr2;
-    SocketAddress *addr;
-    QemuOpts *opts;
-    Error *local_err = NULL;
-
-    /*
-     * Setup a listener socket and determine get its address
-     * so we know the TCP port for the client later
-     */
-    ioc = qio_channel_socket_new();
-    g_assert_nonnull(ioc);
-    qio_channel_socket_listen_sync(ioc, config->addr, 1, &error_abort);
-    addr = qio_channel_socket_get_local_address(ioc, &error_abort);
-    g_assert_nonnull(addr);
-
-    /*
-     * Populate the chardev address based on what the server
-     * is actually listening on
-     */
-    optstr = char_socket_addr_to_opt_str(addr,
-                                         config->fd_pass,
-                                         config->reconnect,
-                                         false);
-
-    opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
-                                   optstr, true);
-    g_assert_nonnull(opts);
-    chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    g_assert_nonnull(chr1);
-    qemu_chr_wait_connected(chr1, &error_abort);
-
-    chr2 = qemu_chr_new_from_opts(opts, NULL, &local_err);
-    g_assert_null(chr2);
-    error_free_or_abort(&local_err);
-
-    object_unref(OBJECT(ioc));
-    qemu_opts_del(opts);
-    object_unparent(OBJECT(chr1));
-    qapi_free_SocketAddress(addr);
-    g_free(optstr);
-}
-
-static void char_socket_client_test(gconstpointer opaque)
-{
-    const CharSocketClientTestConfig *config = opaque;
-    const char_socket_cb event_cb = config->event_cb;
-    QIOChannelSocket *ioc;
-    char *optstr;
-    Chardev *chr;
-    CharBackend be = {0};
-    CharSocketTestData data = {0};
-    SocketAddress *addr;
-    QemuThread thread;
-    int ret;
-    bool reconnected = false;
-    QemuOpts *opts;
-
-    /*
-     * Setup a listener socket and determine get its address
-     * so we know the TCP port for the client later
-     */
-    ioc = qio_channel_socket_new();
-    g_assert_nonnull(ioc);
-    qio_channel_socket_listen_sync(ioc, config->addr, 1, &error_abort);
-    addr = qio_channel_socket_get_local_address(ioc, &error_abort);
-    g_assert_nonnull(addr);
-
-    /*
-     * Kick off a thread to act as the "remote" client
-     * which just plays ping-pong with us
-     */
-    qemu_thread_create(&thread, "client",
-                       char_socket_client_server_thread,
-                       ioc, QEMU_THREAD_JOINABLE);
-
-    /*
-     * Populate the chardev address based on what the server
-     * is actually listening on
-     */
-    optstr = char_socket_addr_to_opt_str(addr,
-                                         config->fd_pass,
-                                         config->reconnect,
-                                         false);
-
-    opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
-                                   optstr, true);
-    g_assert_nonnull(opts);
-    chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    qemu_opts_del(opts);
-    g_assert_nonnull(chr);
-
-    if (config->reconnect) {
-        /*
-         * If reconnect is set, the connection will be
-         * established in a background thread and we won't
-         * see the "connected" status updated until we
-         * run the main event loop, or call qemu_chr_wait_connected
-         */
-        g_assert(!object_property_get_bool(OBJECT(chr), "connected",
-                                           &error_abort));
-    } else {
-        g_assert(object_property_get_bool(OBJECT(chr), "connected",
-                                          &error_abort));
-    }
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-
- reconnect:
-    data.event = -1;
-    data.be = &be;
-    qemu_chr_fe_set_handlers(&be, NULL, NULL,
-                             event_cb, NULL,
-                             &data, NULL, true);
-    if (config->reconnect) {
-        g_assert(data.event == -1);
-    } else {
-        g_assert(data.event == CHR_EVENT_OPENED);
-    }
-
-    if (config->wait_connected) {
-        /*
-         * Synchronously wait for the connection to complete
-         * This should be a no-op if reconnect is not set.
-         */
-        qemu_chr_wait_connected(chr, &error_abort);
-    } else {
-        /*
-         * Asynchronously wait for the connection to be reported
-         * as complete when the background thread reports its
-         * status.
-         * The loop will short-circuit if reconnect was set
-         */
-        while (data.event == -1) {
-            main_loop_wait(false);
-        }
-    }
-    g_assert(data.event == CHR_EVENT_OPENED);
-    data.event = -1;
-    g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-
-    /* Send a greeting to the server */
-    ret = qemu_chr_fe_write_all(&be, (const uint8_t *)SOCKET_PING,
-                                sizeof(SOCKET_PING));
-    g_assert_cmpint(ret, ==, sizeof(SOCKET_PING));
-    g_assert(data.event == -1);
-
-    /* Setup a callback to receive the reply to our greeting */
-    qemu_chr_fe_set_handlers(&be, char_socket_can_read,
-                             char_socket_read,
-                             event_cb, NULL,
-                             &data, NULL, true);
-    g_assert(data.event == CHR_EVENT_OPENED);
-    data.event = -1;
-
-    /* Wait for the server to go away */
-    while (data.event == -1) {
-        main_loop_wait(false);
-    }
-    g_assert(data.event == CHR_EVENT_CLOSED);
-    g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-    g_assert(data.got_pong);
-    qemu_thread_join(&thread);
-
-    if (config->reconnect && !reconnected) {
-        reconnected = true;
-        qemu_thread_create(&thread, "client",
-                           char_socket_client_server_thread,
-                           ioc, QEMU_THREAD_JOINABLE);
-        goto reconnect;
-    }
-
-    object_unref(OBJECT(ioc));
-    object_unparent(OBJECT(chr));
-    qapi_free_SocketAddress(addr);
-    g_free(optstr);
-}
-
-static void
-count_closed_event(void *opaque, QEMUChrEvent event)
-{
-    int *count = opaque;
-    if (event == CHR_EVENT_CLOSED) {
-        (*count)++;
-    }
-}
-
-static void
-char_socket_discard_read(void *opaque, const uint8_t *buf, int size)
-{
-}
-
-static void char_socket_server_two_clients_test(gconstpointer opaque)
-{
-    SocketAddress *incoming_addr = (gpointer) opaque;
-    Chardev *chr;
-    CharBackend be = {0};
-    QObject *qaddr;
-    SocketAddress *addr;
-    Visitor *v;
-    char *optstr;
-    QemuOpts *opts;
-    QIOChannelSocket *ioc1, *ioc2;
-    int closed = 0;
-
-    g_setenv("QTEST_SILENT_ERRORS", "1", 1);
-    /*
-     * We rely on addr containing "wait=off", otherwise
-     * qemu_chr_new() will block until a client connects. We
-     * can't spawn our client thread though, because until
-     * qemu_chr_new() returns we don't know what TCP port was
-     * allocated by the OS
-     */
-    optstr = char_socket_addr_to_opt_str(incoming_addr,
-                                         false,
-                                         NULL,
-                                         true);
-    opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
-                                   optstr, true);
-    g_assert_nonnull(opts);
-    chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    qemu_opts_del(opts);
-    g_assert_nonnull(chr);
-    g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
-
-    qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort);
-    g_assert_nonnull(qaddr);
-
-    v = qobject_input_visitor_new(qaddr);
-    visit_type_SocketAddress(v, "addr", &addr, &error_abort);
-    visit_free(v);
-    qobject_unref(qaddr);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-
-    qemu_chr_fe_set_handlers(&be, char_socket_can_read, char_socket_discard_read,
-                             count_closed_event, NULL,
-                             &closed, NULL, true);
-
-    ioc1 = qio_channel_socket_new();
-    qio_channel_socket_connect_sync(ioc1, addr, &error_abort);
-    qemu_chr_wait_connected(chr, &error_abort);
-
-    /* switch the chardev to another context */
-    GMainContext *ctx = g_main_context_new();
-    qemu_chr_fe_set_handlers(&be, char_socket_can_read, char_socket_discard_read,
-                             count_closed_event, NULL,
-                             &closed, ctx, true);
-
-    /* Start a second connection while the first is still connected.
-     * It will be placed in the listen() backlog, and connect() will
-     * succeed immediately.
-     */
-    ioc2 = qio_channel_socket_new();
-    qio_channel_socket_connect_sync(ioc2, addr, &error_abort);
-
-    object_unref(OBJECT(ioc1));
-    /* The two connections should now be processed serially.  */
-    while (g_main_context_iteration(ctx, TRUE)) {
-        if (closed == 1 && ioc2) {
-            object_unref(OBJECT(ioc2));
-            ioc2 = NULL;
-        }
-        if (closed == 2) {
-            break;
-        }
-    }
-
-    qapi_free_SocketAddress(addr);
-    object_unparent(OBJECT(chr));
-    g_main_context_unref(ctx);
-    g_free(optstr);
-    g_unsetenv("QTEST_SILENT_ERRORS");
-}
-
-
-#if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32)
-static void char_serial_test(void)
-{
-    QemuOpts *opts;
-    Chardev *chr;
-
-    opts = qemu_opts_create(qemu_find_opts("chardev"), "serial-id",
-                            1, &error_abort);
-    qemu_opt_set(opts, "backend", "serial", &error_abort);
-    qemu_opt_set(opts, "path", "/dev/null", &error_abort);
-
-    chr = qemu_chr_new_from_opts(opts, NULL, NULL);
-    g_assert_nonnull(chr);
-    /* TODO: add more tests with a pty */
-    object_unparent(OBJECT(chr));
-
-    /* test tty alias */
-    qemu_opt_set(opts, "backend", "tty", &error_abort);
-    chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
-    g_assert_nonnull(chr);
-    object_unparent(OBJECT(chr));
-
-    qemu_opts_del(opts);
-}
-#endif
-
-#ifndef _WIN32
-static void char_file_fifo_test(void)
-{
-    Chardev *chr;
-    CharBackend be;
-    char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
-    char *fifo = g_build_filename(tmp_path, "fifo", NULL);
-    char *out = g_build_filename(tmp_path, "out", NULL);
-    ChardevFile file = { .in = fifo,
-                         .has_in = true,
-                         .out = out };
-    ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE,
-                               .u.file.data = &file };
-    FeHandler fe = { 0, };
-    int fd, ret;
-
-    if (mkfifo(fifo, 0600) < 0) {
-        abort();
-    }
-
-    fd = open(fifo, O_RDWR);
-    ret = write(fd, "fifo-in", 8);
-    g_assert_cmpint(ret, ==, 8);
-
-    chr = qemu_chardev_new("label-file", TYPE_CHARDEV_FILE, &backend,
-                           NULL, &error_abort);
-
-    qemu_chr_fe_init(&be, chr, &error_abort);
-    qemu_chr_fe_set_handlers(&be,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             &fe, NULL, true);
-
-    g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK);
-    qmp_chardev_send_break("label-foo", NULL);
-    g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK);
-    qmp_chardev_send_break("label-file", NULL);
-    g_assert_cmpint(fe.last_event, ==, CHR_EVENT_BREAK);
-
-    main_loop();
-
-    close(fd);
-
-    g_assert_cmpint(fe.read_count, ==, 8);
-    g_assert_cmpstr(fe.read_buf, ==, "fifo-in");
-
-    qemu_chr_fe_deinit(&be, true);
-
-    g_unlink(fifo);
-    g_free(fifo);
-    g_unlink(out);
-    g_free(out);
-    g_rmdir(tmp_path);
-    g_free(tmp_path);
-}
-#endif
-
-static void char_file_test_internal(Chardev *ext_chr, const char *filepath)
-{
-    char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
-    char *out;
-    Chardev *chr;
-    char *contents = NULL;
-    ChardevFile file = {};
-    ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE,
-                               .u.file.data = &file };
-    gsize length;
-    int ret;
-
-    if (ext_chr) {
-        chr = ext_chr;
-        out = g_strdup(filepath);
-        file.out = out;
-    } else {
-        out = g_build_filename(tmp_path, "out", NULL);
-        file.out = out;
-        chr = qemu_chardev_new(NULL, TYPE_CHARDEV_FILE, &backend,
-                               NULL, &error_abort);
-    }
-    ret = qemu_chr_write_all(chr, (uint8_t *)"hello!", 6);
-    g_assert_cmpint(ret, ==, 6);
-
-    ret = g_file_get_contents(out, &contents, &length, NULL);
-    g_assert(ret == TRUE);
-    g_assert_cmpint(length, ==, 6);
-    g_assert(strncmp(contents, "hello!", 6) == 0);
-
-    if (!ext_chr) {
-        object_unparent(OBJECT(chr));
-        g_unlink(out);
-    }
-    g_free(contents);
-    g_rmdir(tmp_path);
-    g_free(tmp_path);
-    g_free(out);
-}
-
-static void char_file_test(void)
-{
-    char_file_test_internal(NULL, NULL);
-}
-
-static void char_null_test(void)
-{
-    Error *err = NULL;
-    Chardev *chr;
-    CharBackend be;
-    int ret;
-
-    chr = qemu_chr_find("label-null");
-    g_assert_null(chr);
-
-    chr = qemu_chr_new("label-null", "null", NULL);
-    chr = qemu_chr_find("label-null");
-    g_assert_nonnull(chr);
-
-    g_assert(qemu_chr_has_feature(chr,
-                 QEMU_CHAR_FEATURE_FD_PASS) == false);
-    g_assert(qemu_chr_has_feature(chr,
-                 QEMU_CHAR_FEATURE_RECONNECTABLE) == false);
-
-    /* check max avail */
-    qemu_chr_fe_init(&be, chr, &error_abort);
-    qemu_chr_fe_init(&be, chr, &err);
-    error_free_or_abort(&err);
-
-    /* deinit & reinit */
-    qemu_chr_fe_deinit(&be, false);
-    qemu_chr_fe_init(&be, chr, &error_abort);
-
-    qemu_chr_fe_set_open(&be, true);
-
-    qemu_chr_fe_set_handlers(&be,
-                             fe_can_read,
-                             fe_read,
-                             fe_event,
-                             NULL,
-                             NULL, NULL, true);
-
-    ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
-    g_assert_cmpint(ret, ==, 4);
-
-    qemu_chr_fe_deinit(&be, true);
-}
-
-static void char_invalid_test(void)
-{
-    Chardev *chr;
-    g_setenv("QTEST_SILENT_ERRORS", "1", 1);
-    chr = qemu_chr_new("label-invalid", "invalid", NULL);
-    g_assert_null(chr);
-    g_unsetenv("QTEST_SILENT_ERRORS");
-}
-
-static int chardev_change(void *opaque)
-{
-    return 0;
-}
-
-static int chardev_change_denied(void *opaque)
-{
-    return -1;
-}
-
-static void char_hotswap_test(void)
-{
-    char *chr_args;
-    Chardev *chr;
-    CharBackend be;
-
-    gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
-    char *filename = g_build_filename(tmp_path, "file", NULL);
-    ChardevFile file = { .out = filename };
-    ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE,
-                               .u.file.data = &file };
-    ChardevReturn *ret;
-
-    int port;
-    int sock = make_udp_socket(&port);
-    g_assert_cmpint(sock, >, 0);
-
-    chr_args = g_strdup_printf("udp:127.0.0.1:%d", port);
-
-    chr = qemu_chr_new("chardev", chr_args, NULL);
-    qemu_chr_fe_init(&be, chr, &error_abort);
-
-    /* check that chardev operates correctly */
-    char_udp_test_internal(chr, sock);
-
-    /* set the handler that denies the hotswap */
-    qemu_chr_fe_set_handlers(&be, NULL, NULL,
-                             NULL, chardev_change_denied, NULL, NULL, true);
-
-    /* now, change is denied and has to keep the old backend operating */
-    ret = qmp_chardev_change("chardev", &backend, NULL);
-    g_assert(!ret);
-    g_assert(be.chr == chr);
-
-    char_udp_test_internal(chr, sock);
-
-    /* now allow the change */
-    qemu_chr_fe_set_handlers(&be, NULL, NULL,
-                             NULL, chardev_change, NULL, NULL, true);
-
-    /* has to succeed now */
-    ret = qmp_chardev_change("chardev", &backend, &error_abort);
-    g_assert(be.chr != chr);
-
-    close(sock);
-    chr = be.chr;
-
-    /* run the file chardev test */
-    char_file_test_internal(chr, filename);
-
-    object_unparent(OBJECT(chr));
-
-    qapi_free_ChardevReturn(ret);
-    g_unlink(filename);
-    g_free(filename);
-    g_rmdir(tmp_path);
-    g_free(tmp_path);
-    g_free(chr_args);
-}
-
-static SocketAddress tcpaddr = {
-    .type = SOCKET_ADDRESS_TYPE_INET,
-    .u.inet.host = (char *)"127.0.0.1",
-    .u.inet.port = (char *)"0",
-};
-#ifndef WIN32
-static SocketAddress unixaddr = {
-    .type = SOCKET_ADDRESS_TYPE_UNIX,
-    .u.q_unix.path = (char *)"test-char.sock",
-};
-#endif
-
-int main(int argc, char **argv)
-{
-    bool has_ipv4, has_ipv6;
-
-    qemu_init_main_loop(&error_abort);
-    socket_init();
-
-    g_test_init(&argc, &argv, NULL);
-
-    if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
-        g_printerr("socket_check_protocol_support() failed\n");
-        goto end;
-    }
-
-    module_call_init(MODULE_INIT_QOM);
-    qemu_add_opts(&qemu_chardev_opts);
-
-    g_test_add_func("/char/null", char_null_test);
-    g_test_add_func("/char/invalid", char_invalid_test);
-    g_test_add_func("/char/ringbuf", char_ringbuf_test);
-    g_test_add_func("/char/mux", char_mux_test);
-#ifdef _WIN32
-    g_test_add_func("/char/console/subprocess", char_console_test_subprocess);
-    g_test_add_func("/char/console", char_console_test);
-#endif
-    g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess);
-    g_test_add_func("/char/stdio", char_stdio_test);
-#ifndef _WIN32
-    g_test_add_func("/char/pipe", char_pipe_test);
-#endif
-    g_test_add_func("/char/file", char_file_test);
-#ifndef _WIN32
-    g_test_add_func("/char/file-fifo", char_file_fifo_test);
-#endif
-
-#define SOCKET_SERVER_TEST(name, addr)                                  \
-    static CharSocketServerTestConfig server1 ## name =                 \
-        { addr, false, false };                                         \
-    static CharSocketServerTestConfig server2 ## name =                 \
-        { addr, true, false };                                          \
-    static CharSocketServerTestConfig server3 ## name =                 \
-        { addr, false, true };                                          \
-    static CharSocketServerTestConfig server4 ## name =                 \
-        { addr, true, true };                                           \
-    g_test_add_data_func("/char/socket/server/mainloop/" # name,        \
-                         &server1 ##name, char_socket_server_test);     \
-    g_test_add_data_func("/char/socket/server/wait-conn/" # name,       \
-                         &server2 ##name, char_socket_server_test);     \
-    g_test_add_data_func("/char/socket/server/mainloop-fdpass/" # name, \
-                         &server3 ##name, char_socket_server_test);     \
-    g_test_add_data_func("/char/socket/server/wait-conn-fdpass/" # name, \
-                         &server4 ##name, char_socket_server_test)
-
-#define SOCKET_CLIENT_TEST(name, addr)                                  \
-    static CharSocketClientTestConfig client1 ## name =                 \
-        { addr, NULL, false, false, char_socket_event };                \
-    static CharSocketClientTestConfig client2 ## name =                 \
-        { addr, NULL, true, false, char_socket_event };                 \
-    static CharSocketClientTestConfig client3 ## name =                 \
-        { addr, ",reconnect=1", false, false, char_socket_event };      \
-    static CharSocketClientTestConfig client4 ## name =                 \
-        { addr, ",reconnect=1", true, false, char_socket_event };       \
-    static CharSocketClientTestConfig client5 ## name =                 \
-        { addr, NULL, false, true, char_socket_event };                 \
-    static CharSocketClientTestConfig client6 ## name =                 \
-        { addr, NULL, true, true, char_socket_event };                  \
-    static CharSocketClientTestConfig client7 ## name =                 \
-        { addr, ",reconnect=1", true, false,                            \
-            char_socket_event_with_error };                             \
-    static CharSocketClientTestConfig client8 ## name =                 \
-        { addr, ",reconnect=1", false, false, char_socket_event };      \
-    g_test_add_data_func("/char/socket/client/mainloop/" # name,        \
-                         &client1 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/wait-conn/" # name,       \
-                         &client2 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/mainloop-reconnect/" # name, \
-                         &client3 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/wait-conn-reconnect/" # name, \
-                         &client4 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/mainloop-fdpass/" # name, \
-                         &client5 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/wait-conn-fdpass/" # name, \
-                         &client6 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/reconnect-error/" # name, \
-                         &client7 ##name, char_socket_client_test);     \
-    g_test_add_data_func("/char/socket/client/dupid-reconnect/" # name, \
-                         &client8 ##name, char_socket_client_dupid_test)
-
-    if (has_ipv4) {
-        SOCKET_SERVER_TEST(tcp, &tcpaddr);
-        SOCKET_CLIENT_TEST(tcp, &tcpaddr);
-        g_test_add_data_func("/char/socket/server/two-clients/tcp", &tcpaddr,
-                             char_socket_server_two_clients_test);
-    }
-#ifndef WIN32
-    SOCKET_SERVER_TEST(unix, &unixaddr);
-    SOCKET_CLIENT_TEST(unix, &unixaddr);
-    g_test_add_data_func("/char/socket/server/two-clients/unix", &unixaddr,
-                         char_socket_server_two_clients_test);
-#endif
-
-    g_test_add_func("/char/udp", char_udp_test);
-#if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32)
-    g_test_add_func("/char/serial", char_serial_test);
-#endif
-    g_test_add_func("/char/hotswap", char_hotswap_test);
-    g_test_add_func("/char/websocket", char_websock_test);
-
-end:
-    return g_test_run();
-}