rename all test core files to cc and a lot of C++ style conversions

24 files changed, 94 insertions, 79 deletions

diff --git a/test/core/iomgr/combiner_test.c b/test/core/iomgr/combiner_test.cc
index 38f512de0e..7d2d098d2b 100644
--- a/test/core/iomgr/combiner_test.c
+++ b/test/core/iomgr/combiner_test.cc
@@ -35,7 +35,7 @@ static void test_no_op(void) {
 
 static void set_event_to_true(grpc_exec_ctx *exec_ctx, void *value,
                               grpc_error *error) {
-  gpr_event_set(value, (void *)1);
+  gpr_event_set(static_cast<gpr_event *>(value), (void *)1);
 }
 
 static void test_execute_one(void) {
@@ -68,19 +68,19 @@ typedef struct {
 } ex_args;
 
 static void check_one(grpc_exec_ctx *exec_ctx, void *a, grpc_error *error) {
-  ex_args *args = a;
+  ex_args *args = static_cast<ex_args *>(a);
   GPR_ASSERT(*args->ctr == args->value - 1);
   *args->ctr = args->value;
   gpr_free(a);
 }
 
 static void execute_many_loop(void *a) {
-  thd_args *args = a;
+  thd_args *args = static_cast<thd_args *>(a);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   size_t n = 1;
   for (size_t i = 0; i < 10; i++) {
     for (size_t j = 0; j < 10000; j++) {
-      ex_args *c = gpr_malloc(sizeof(*c));
+      ex_args *c = static_cast<ex_args *>(gpr_malloc(sizeof(*c)));
       c->ctr = &args->ctr;
       c->value = n++;
       GRPC_CLOSURE_SCHED(&exec_ctx,
@@ -131,10 +131,11 @@ static void in_finally(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
 }
 
 static void add_finally(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
-  GRPC_CLOSURE_SCHED(exec_ctx,
-                     GRPC_CLOSURE_CREATE(in_finally, arg,
-                                         grpc_combiner_finally_scheduler(arg)),
-                     GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(
+      exec_ctx, GRPC_CLOSURE_CREATE(in_finally, arg,
+                                    grpc_combiner_finally_scheduler(
+                                        static_cast<grpc_combiner *>(arg))),
+      GRPC_ERROR_NONE);
 }
 
 static void test_execute_finally(void) {
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.cc
index f2ce3d0d12..c7ce6c0419 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.cc
@@ -34,10 +34,11 @@ static grpc_endpoint_test_fixture create_fixture_endpoint_pair(
     size_t slice_size) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_test_fixture f;
-  grpc_arg a[] = {{.key = GRPC_ARG_TCP_READ_CHUNK_SIZE,
-                   .type = GRPC_ARG_INTEGER,
-                   .value.integer = (int)slice_size}};
-  grpc_channel_args args = {.num_args = GPR_ARRAY_SIZE(a), .args = a};
+  grpc_arg a[1];
+  a[0].key = const_cast<char *>(GRPC_ARG_TCP_READ_CHUNK_SIZE);
+  a[0].type = GRPC_ARG_INTEGER;
+  a[0].value.integer = (int)slice_size;
+  grpc_channel_args args = {GPR_ARRAY_SIZE(a), a};
   grpc_endpoint_pair p = grpc_iomgr_create_endpoint_pair("test", &args);
 
   f.client_ep = p.client;
@@ -55,7 +56,7 @@ static grpc_endpoint_test_config configs[] = {
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset *>(p));
 }
 
 int main(int argc, char **argv) {
@@ -63,7 +64,7 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  g_pollset = gpr_zalloc(grpc_pollset_size());
+  g_pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(g_pollset, &g_mu);
   grpc_endpoint_tests(configs[0], g_pollset, g_mu);
   GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.cc
index 61e901f645..61e901f645 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.cc
diff --git a/test/core/iomgr/error_test.c b/test/core/iomgr/error_test.cc
index 51f8af1957..51f8af1957 100644
--- a/test/core/iomgr/error_test.c
+++ b/test/core/iomgr/error_test.cc
diff --git a/test/core/iomgr/ev_epollsig_linux_test.c b/test/core/iomgr/ev_epollsig_linux_test.cc
index 37aadacd49..23079c12c6 100644
--- a/test/core/iomgr/ev_epollsig_linux_test.c
+++ b/test/core/iomgr/ev_epollsig_linux_test.cc
@@ -92,14 +92,15 @@ static void test_fd_cleanup(grpc_exec_ctx *exec_ctx, test_fd *tfds,
 static void test_pollset_init(test_pollset *pollsets, int num_pollsets) {
   int i;
   for (i = 0; i < num_pollsets; i++) {
-    pollsets[i].pollset = gpr_zalloc(grpc_pollset_size());
+    pollsets[i].pollset =
+        static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(pollsets[i].pollset, &pollsets[i].mu);
   }
 }
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, (grpc_pollset *)p);
 }
 
 static void test_pollset_cleanup(grpc_exec_ctx *exec_ctx,
@@ -232,7 +233,7 @@ typedef struct threading_shared {
 static __thread int thread_wakeups = 0;
 
 static void test_threading_loop(void *arg) {
-  threading_shared *shared = arg;
+  threading_shared *shared = static_cast<threading_shared *>(arg);
   while (thread_wakeups < 1000000) {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
     grpc_pollset_worker *worker;
@@ -247,7 +248,7 @@ static void test_threading_loop(void *arg) {
 
 static void test_threading_wakeup(grpc_exec_ctx *exec_ctx, void *arg,
                                   grpc_error *error) {
-  threading_shared *shared = arg;
+  threading_shared *shared = static_cast<threading_shared *>(arg);
   ++shared->wakeups;
   ++thread_wakeups;
   if (error == GRPC_ERROR_NONE) {
@@ -261,7 +262,7 @@ static void test_threading_wakeup(grpc_exec_ctx *exec_ctx, void *arg,
 
 static void test_threading(void) {
   threading_shared shared;
-  shared.pollset = gpr_zalloc(grpc_pollset_size());
+  shared.pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(shared.pollset, &shared.mu);
 
   gpr_thd_id thds[10];
diff --git a/test/core/iomgr/fd_conservation_posix_test.c b/test/core/iomgr/fd_conservation_posix_test.cc
index d29b1e8e41..d29b1e8e41 100644
--- a/test/core/iomgr/fd_conservation_posix_test.c
+++ b/test/core/iomgr/fd_conservation_posix_test.cc
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.cc
index 1c62f34d3e..63363a43a5 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.cc
@@ -113,7 +113,7 @@ typedef struct {
    Close session FD and start to shutdown listen FD. */
 static void session_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
                                 bool success) {
-  session *se = arg;
+  session *se = static_cast<session *>(arg);
   server *sv = se->sv;
   grpc_fd_orphan(exec_ctx, se->em_fd, NULL, NULL, false /* already_closed */,
                  "a");
@@ -126,7 +126,7 @@ static void session_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
 /* Called when data become readable in a session. */
 static void session_read_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
                             grpc_error *error) {
-  session *se = arg;
+  session *se = static_cast<session *>(arg);
   int fd = grpc_fd_wrapped_fd(se->em_fd);
 
   ssize_t read_once = 0;
@@ -171,7 +171,7 @@ static void session_read_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
    Close listen FD and signal that server can be shutdown. */
 static void listen_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg /*server */,
                                int success) {
-  server *sv = arg;
+  server *sv = static_cast<server *>(arg);
 
   grpc_fd_orphan(exec_ctx, sv->em_fd, NULL, NULL, false /* already_closed */,
                  "b");
@@ -186,7 +186,7 @@ static void listen_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg /*server */,
 /* Called when a new TCP connection request arrives in the listening port. */
 static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
                       grpc_error *error) {
-  server *sv = arg;
+  server *sv = static_cast<server *>(arg);
   int fd;
   int flags;
   session *se;
@@ -204,7 +204,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
   GPR_ASSERT(fd < FD_SETSIZE);
   flags = fcntl(fd, F_GETFL, 0);
   fcntl(fd, F_SETFL, flags | O_NONBLOCK);
-  se = gpr_malloc(sizeof(*se));
+  se = static_cast<session *>(gpr_malloc(sizeof(*se)));
   se->sv = sv;
   se->em_fd = grpc_fd_create(fd, "listener");
   grpc_pollset_add_fd(exec_ctx, g_pollset, se->em_fd);
@@ -291,7 +291,7 @@ static void client_init(client *cl) {
 /* Called when a client upload session is ready to shutdown. */
 static void client_session_shutdown_cb(grpc_exec_ctx *exec_ctx,
                                        void *arg /*client */, int success) {
-  client *cl = arg;
+  client *cl = static_cast<client *>(arg);
   grpc_fd_orphan(exec_ctx, cl->em_fd, NULL, NULL, false /* already_closed */,
                  "c");
   cl->done = 1;
@@ -302,7 +302,7 @@ static void client_session_shutdown_cb(grpc_exec_ctx *exec_ctx,
 /* Write as much as possible, then register notify_on_write. */
 static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
                                  grpc_error *error) {
-  client *cl = arg;
+  client *cl = static_cast<client *>(arg);
   int fd = grpc_fd_wrapped_fd(cl->em_fd);
   ssize_t write_once = 0;
 
@@ -409,7 +409,7 @@ void destroy_change_data(fd_change_data *fdc) {}
 static void first_read_callback(grpc_exec_ctx *exec_ctx,
                                 void *arg /* fd_change_data */,
                                 grpc_error *error) {
-  fd_change_data *fdc = arg;
+  fd_change_data *fdc = static_cast<fd_change_data *>(arg);
 
   gpr_mu_lock(g_mu);
   fdc->cb_that_ran = first_read_callback;
@@ -421,7 +421,7 @@ static void first_read_callback(grpc_exec_ctx *exec_ctx,
 static void second_read_callback(grpc_exec_ctx *exec_ctx,
                                  void *arg /* fd_change_data */,
                                  grpc_error *error) {
-  fd_change_data *fdc = arg;
+  fd_change_data *fdc = static_cast<fd_change_data *>(arg);
 
   gpr_mu_lock(g_mu);
   fdc->cb_that_ran = second_read_callback;
@@ -516,7 +516,7 @@ static void test_grpc_fd_change(void) {
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset *>(p));
 }
 
 int main(int argc, char **argv) {
@@ -524,7 +524,7 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  g_pollset = gpr_zalloc(grpc_pollset_size());
+  g_pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(g_pollset, &g_mu);
   test_grpc_fd();
   test_grpc_fd_change();
diff --git a/test/core/iomgr/load_file_test.c b/test/core/iomgr/load_file_test.cc
index 537c3430b1..5fb8266b10 100644
--- a/test/core/iomgr/load_file_test.c
+++ b/test/core/iomgr/load_file_test.cc
@@ -122,7 +122,7 @@ static void test_load_big_file(void) {
   grpc_error *error;
   char *tmp_name;
   static const size_t buffer_size = 124631;
-  unsigned char *buffer = gpr_malloc(buffer_size);
+  unsigned char *buffer = static_cast<unsigned char *>(gpr_malloc(buffer_size));
   unsigned char *current;
   size_t i;
 
diff --git a/test/core/iomgr/pollset_set_test.c b/test/core/iomgr/pollset_set_test.cc
index cddc146ce0..ae19c81d6d 100644
--- a/test/core/iomgr/pollset_set_test.c
+++ b/test/core/iomgr/pollset_set_test.cc
@@ -65,14 +65,15 @@ typedef struct test_pollset {
 
 static void init_test_pollsets(test_pollset *pollsets, const int num_pollsets) {
   for (int i = 0; i < num_pollsets; i++) {
-    pollsets[i].ps = gpr_zalloc(grpc_pollset_size());
+    pollsets[i].ps =
+        static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(pollsets[i].ps, &pollsets[i].mu);
   }
 }
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset *>(p));
 }
 
 static void cleanup_test_pollsets(grpc_exec_ctx *exec_ctx,
diff --git a/test/core/iomgr/resolve_address_posix_test.c b/test/core/iomgr/resolve_address_posix_test.cc
index cb9d6080fb..572b4222b5 100644
--- a/test/core/iomgr/resolve_address_posix_test.c
+++ b/test/core/iomgr/resolve_address_posix_test.cc
@@ -50,7 +50,7 @@ static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
 
 void args_init(grpc_exec_ctx *exec_ctx, args_struct *args) {
   gpr_event_init(&args->ev);
-  args->pollset = gpr_zalloc(grpc_pollset_size());
+  args->pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(args->pollset, &args->mu);
   args->pollset_set = grpc_pollset_set_create();
   grpc_pollset_set_add_pollset(exec_ctx, args->pollset_set, args->pollset);
@@ -78,7 +78,7 @@ static grpc_millis n_sec_deadline(int seconds) {
 }
 
 static void actually_poll(void *argsp) {
-  args_struct *args = argsp;
+  args_struct *args = static_cast<args_struct *>(argsp);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_millis deadline = n_sec_deadline(10);
   while (true) {
@@ -109,7 +109,7 @@ static void poll_pollset_until_request_done(args_struct *args) {
 
 static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp,
                          grpc_error *err) {
-  args_struct *args = argsp;
+  args_struct *args = static_cast<args_struct *>(argsp);
   GPR_ASSERT(err == GRPC_ERROR_NONE);
   GPR_ASSERT(args->addrs != NULL);
   GPR_ASSERT(args->addrs->naddrs > 0);
@@ -117,7 +117,7 @@ static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp,
 }
 
 static void must_fail(grpc_exec_ctx *exec_ctx, void *argsp, grpc_error *err) {
-  args_struct *args = argsp;
+  args_struct *args = static_cast<args_struct *>(argsp);
   GPR_ASSERT(err != GRPC_ERROR_NONE);
   gpr_atm_rel_store(&args->done_atm, 1);
 }
@@ -142,7 +142,8 @@ static void test_unix_socket_path_name_too_long(void) {
   const char prefix[] = "unix:/path/name";
   size_t path_name_length =
       GPR_ARRAY_SIZE(((struct sockaddr_un *)0)->sun_path) + 6;
-  char *path_name = gpr_malloc(sizeof(char) * path_name_length);
+  char *path_name =
+      static_cast<char *>(gpr_malloc(sizeof(char) * path_name_length));
   memset(path_name, 'a', path_name_length);
   memcpy(path_name, prefix, strlen(prefix) - 1);
   path_name[path_name_length - 1] = '\0';
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.cc
index 178bbbb95f..da6aab3518 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.cc
@@ -43,7 +43,7 @@ static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
 
 void args_init(grpc_exec_ctx *exec_ctx, args_struct *args) {
   gpr_event_init(&args->ev);
-  args->pollset = gpr_zalloc(grpc_pollset_size());
+  args->pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(args->pollset, &args->mu);
   args->pollset_set = grpc_pollset_set_create();
   grpc_pollset_set_add_pollset(exec_ctx, args->pollset_set, args->pollset);
@@ -98,7 +98,7 @@ static void poll_pollset_until_request_done(args_struct *args) {
 
 static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp,
                          grpc_error *err) {
-  args_struct *args = argsp;
+  args_struct *args = static_cast<args_struct *>(argsp);
   GPR_ASSERT(err == GRPC_ERROR_NONE);
   GPR_ASSERT(args->addrs != NULL);
   GPR_ASSERT(args->addrs->naddrs > 0);
@@ -110,7 +110,7 @@ static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp,
 }
 
 static void must_fail(grpc_exec_ctx *exec_ctx, void *argsp, grpc_error *err) {
-  args_struct *args = argsp;
+  args_struct *args = static_cast<args_struct *>(argsp);
   GPR_ASSERT(err != GRPC_ERROR_NONE);
   gpr_atm_rel_store(&args->done_atm, 1);
   gpr_mu_lock(args->mu);
diff --git a/test/core/iomgr/resource_quota_test.c b/test/core/iomgr/resource_quota_test.cc
index b588f3d120..f0002e0947 100644
--- a/test/core/iomgr/resource_quota_test.c
+++ b/test/core/iomgr/resource_quota_test.cc
@@ -58,7 +58,7 @@ typedef struct {
 static void reclaimer_cb(grpc_exec_ctx *exec_ctx, void *args,
                          grpc_error *error) {
   GPR_ASSERT(error == GRPC_ERROR_NONE);
-  reclaimer_args *a = args;
+  reclaimer_args *a = static_cast<reclaimer_args *>(args);
   grpc_resource_user_free(exec_ctx, a->resource_user, a->size);
   grpc_resource_user_finish_reclamation(exec_ctx, a->resource_user);
   GRPC_CLOSURE_RUN(exec_ctx, a->then, GRPC_ERROR_NONE);
@@ -66,7 +66,7 @@ static void reclaimer_cb(grpc_exec_ctx *exec_ctx, void *args,
 }
 grpc_closure *make_reclaimer(grpc_resource_user *resource_user, size_t size,
                              grpc_closure *then) {
-  reclaimer_args *a = gpr_malloc(sizeof(*a));
+  reclaimer_args *a = static_cast<reclaimer_args *>(gpr_malloc(sizeof(*a)));
   a->size = size;
   a->resource_user = resource_user;
   a->then = then;
@@ -76,7 +76,7 @@ grpc_closure *make_reclaimer(grpc_resource_user *resource_user, size_t size,
 static void unused_reclaimer_cb(grpc_exec_ctx *exec_ctx, void *arg,
                                 grpc_error *error) {
   GPR_ASSERT(error == GRPC_ERROR_CANCELLED);
-  GRPC_CLOSURE_RUN(exec_ctx, arg, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_RUN(exec_ctx, static_cast<grpc_closure *>(arg), GRPC_ERROR_NONE);
 }
 grpc_closure *make_unused_reclaimer(grpc_closure *then) {
   return GRPC_CLOSURE_CREATE(unused_reclaimer_cb, then,
diff --git a/test/core/iomgr/sockaddr_utils_test.c b/test/core/iomgr/sockaddr_utils_test.cc
index e4a4ddaa99..e4a4ddaa99 100644
--- a/test/core/iomgr/sockaddr_utils_test.c
+++ b/test/core/iomgr/sockaddr_utils_test.cc
diff --git a/test/core/iomgr/socket_utils_test.c b/test/core/iomgr/socket_utils_test.cc
index 30f0c943dc..30f0c943dc 100644
--- a/test/core/iomgr/socket_utils_test.c
+++ b/test/core/iomgr/socket_utils_test.cc
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.cc
index b8b76d1c42..b2dcb1d04f 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.cc
@@ -190,7 +190,7 @@ void test_fails(void) {
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset *>(p));
 }
 
 int main(int argc, char **argv) {
@@ -199,7 +199,7 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_init();
   g_pollset_set = grpc_pollset_set_create();
-  g_pollset = gpr_zalloc(grpc_pollset_size());
+  g_pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(g_pollset, &g_mu);
   grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/tcp_client_uv_test.c b/test/core/iomgr/tcp_client_uv_test.cc
index edfccbe867..edfccbe867 100644
--- a/test/core/iomgr/tcp_client_uv_test.c
+++ b/test/core/iomgr/tcp_client_uv_test.cc
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.cc
index 6501160c6f..8a4433b55c 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.cc
@@ -171,10 +171,10 @@ static void read_test(size_t num_bytes, size_t slice_size) {
 
   create_sockets(sv);
 
-  grpc_arg a[] = {{.key = GRPC_ARG_TCP_READ_CHUNK_SIZE,
-                   .type = GRPC_ARG_INTEGER,
-                   .value.integer = (int)slice_size}};
-  grpc_channel_args args = {.num_args = GPR_ARRAY_SIZE(a), .args = a};
+  grpc_arg a[1];
+  a[0].key = const_cast<char *>(GRPC_ARG_TCP_READ_CHUNK_SIZE);
+  a[0].type = GRPC_ARG_INTEGER, a[0].value.integer = (int)slice_size;
+  grpc_channel_args args = {GPR_ARRAY_SIZE(a), a};
   ep = grpc_tcp_create(&exec_ctx, grpc_fd_create(sv[1], "read_test"), &args,
                        "test");
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
@@ -223,10 +223,11 @@ static void large_read_test(size_t slice_size) {
 
   create_sockets(sv);
 
-  grpc_arg a[] = {{.key = GRPC_ARG_TCP_READ_CHUNK_SIZE,
-                   .type = GRPC_ARG_INTEGER,
-                   .value.integer = (int)slice_size}};
-  grpc_channel_args args = {.num_args = GPR_ARRAY_SIZE(a), .args = a};
+  grpc_arg a[1];
+  a[0].key = const_cast<char *>(GRPC_ARG_TCP_READ_CHUNK_SIZE);
+  a[0].type = GRPC_ARG_INTEGER;
+  a[0].value.integer = (int)slice_size;
+  grpc_channel_args args = {GPR_ARRAY_SIZE(a), a};
   ep = grpc_tcp_create(&exec_ctx, grpc_fd_create(sv[1], "large_read_test"),
                        &args, "test");
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
@@ -363,10 +364,10 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   create_sockets(sv);
 
-  grpc_arg a[] = {{.key = GRPC_ARG_TCP_READ_CHUNK_SIZE,
-                   .type = GRPC_ARG_INTEGER,
-                   .value.integer = (int)slice_size}};
-  grpc_channel_args args = {.num_args = GPR_ARRAY_SIZE(a), .args = a};
+  grpc_arg a[1];
+  a[0].key = const_cast<char *>(GRPC_ARG_TCP_READ_CHUNK_SIZE);
+  a[0].type = GRPC_ARG_INTEGER, a[0].value.integer = (int)slice_size;
+  grpc_channel_args args = {GPR_ARRAY_SIZE(a), a};
   ep = grpc_tcp_create(&exec_ctx, grpc_fd_create(sv[1], "write_test"), &args,
                        "test");
   grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
@@ -433,10 +434,11 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
 
   create_sockets(sv);
 
-  grpc_arg a[] = {{.key = GRPC_ARG_TCP_READ_CHUNK_SIZE,
-                   .type = GRPC_ARG_INTEGER,
-                   .value.integer = (int)slice_size}};
-  grpc_channel_args args = {.num_args = GPR_ARRAY_SIZE(a), .args = a};
+  grpc_arg a[1];
+  a[0].key = const_cast<char *>(GRPC_ARG_TCP_READ_CHUNK_SIZE);
+  a[0].type = GRPC_ARG_INTEGER;
+  a[0].value.integer = (int)slice_size;
+  grpc_channel_args args = {GPR_ARRAY_SIZE(a), a};
   ep = grpc_tcp_create(&exec_ctx, grpc_fd_create(sv[1], "read_test"), &args,
                        "test");
   GPR_ASSERT(grpc_tcp_fd(ep) == sv[1] && sv[1] >= 0);
@@ -525,10 +527,11 @@ static grpc_endpoint_test_fixture create_fixture_tcp_socketpair(
   create_sockets(sv);
   grpc_resource_quota *resource_quota =
       grpc_resource_quota_create("tcp_posix_test_socketpair");
-  grpc_arg a[] = {{.key = GRPC_ARG_TCP_READ_CHUNK_SIZE,
-                   .type = GRPC_ARG_INTEGER,
-                   .value.integer = (int)slice_size}};
-  grpc_channel_args args = {.num_args = GPR_ARRAY_SIZE(a), .args = a};
+  grpc_arg a[1];
+  a[0].key = const_cast<char *>(GRPC_ARG_TCP_READ_CHUNK_SIZE);
+  a[0].type = GRPC_ARG_INTEGER;
+  a[0].value.integer = (int)slice_size;
+  grpc_channel_args args = {GPR_ARRAY_SIZE(a), a};
   f.client_ep = grpc_tcp_create(
       &exec_ctx, grpc_fd_create(sv[0], "fixture:client"), &args, "test");
   f.server_ep = grpc_tcp_create(
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.cc
index 782dfb413a..a44e3954f2 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.cc
@@ -112,7 +112,7 @@ static void on_connect_result_set(on_connect_result *result,
 
 static void server_weak_ref_shutdown(grpc_exec_ctx *exec_ctx, void *arg,
                                      grpc_error *error) {
-  server_weak_ref *weak_ref = arg;
+  server_weak_ref *weak_ref = static_cast<server_weak_ref *>(arg);
   weak_ref->server = NULL;
 }
 
@@ -429,22 +429,25 @@ static void test_connect(size_t num_connects,
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset *>(p));
 }
 
 int main(int argc, char **argv) {
   grpc_closure destroyed;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_arg chan_args[] = {
-      {GRPC_ARG_INTEGER, GRPC_ARG_EXPAND_WILDCARD_ADDRS, {.integer = 1}}};
+  grpc_arg chan_args[1];
+  chan_args[0].type = GRPC_ARG_INTEGER;
+  chan_args[0].key = const_cast<char *>(GRPC_ARG_EXPAND_WILDCARD_ADDRS);
+  chan_args[0].value.integer = 1;
   const grpc_channel_args channel_args = {1, chan_args};
   struct ifaddrs *ifa = NULL;
   struct ifaddrs *ifa_it;
   // Zalloc dst_addrs to avoid oversized frames.
-  test_addrs *dst_addrs = gpr_zalloc(sizeof(*dst_addrs));
+  test_addrs *dst_addrs =
+      static_cast<test_addrs *>(gpr_zalloc(sizeof(*dst_addrs)));
   grpc_test_init(argc, argv);
   grpc_init();
-  g_pollset = gpr_zalloc(grpc_pollset_size());
+  g_pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(g_pollset, &g_mu);
 
   test_no_op();
diff --git a/test/core/iomgr/tcp_server_uv_test.c b/test/core/iomgr/tcp_server_uv_test.cc
index 9fafd3177a..9fafd3177a 100644
--- a/test/core/iomgr/tcp_server_uv_test.c
+++ b/test/core/iomgr/tcp_server_uv_test.cc
diff --git a/test/core/iomgr/time_averaged_stats_test.c b/test/core/iomgr/time_averaged_stats_test.cc
index 508e3c5bf8..508e3c5bf8 100644
--- a/test/core/iomgr/time_averaged_stats_test.c
+++ b/test/core/iomgr/time_averaged_stats_test.cc
diff --git a/test/core/iomgr/timer_heap_test.c b/test/core/iomgr/timer_heap_test.cc
index ee5a474fd1..3eb25dd0be 100644
--- a/test/core/iomgr/timer_heap_test.c
+++ b/test/core/iomgr/timer_heap_test.cc
@@ -35,7 +35,8 @@
 static gpr_atm random_deadline(void) { return rand(); }
 
 static grpc_timer *create_test_elements(size_t num_elements) {
-  grpc_timer *elems = gpr_malloc(num_elements * sizeof(grpc_timer));
+  grpc_timer *elems =
+      static_cast<grpc_timer *>(gpr_malloc(num_elements * sizeof(grpc_timer)));
   size_t i;
   for (i = 0; i < num_elements; i++) {
     elems[i].deadline = random_deadline();
@@ -75,7 +76,7 @@ static void test1(void) {
   const size_t num_test_operations = 10000;
   size_t i;
   grpc_timer *test_elements = create_test_elements(num_test_elements);
-  uint8_t *inpq = gpr_malloc(num_test_elements);
+  uint8_t *inpq = static_cast<uint8_t *>(gpr_malloc(num_test_elements));
 
   gpr_log(GPR_INFO, "test1");
 
@@ -135,7 +136,8 @@ typedef struct {
 
 static elem_struct *search_elems(elem_struct *elems, size_t count,
                                  bool inserted) {
-  size_t *search_order = gpr_malloc(count * sizeof(*search_order));
+  size_t *search_order =
+      static_cast<size_t *>(gpr_malloc(count * sizeof(*search_order)));
   for (size_t i = 0; i < count; i++) {
     search_order[i] = i;
   }
@@ -160,7 +162,8 @@ static void test2(void) {
   grpc_timer_heap pq;
 
   static const size_t elems_size = 1000;
-  elem_struct *elems = gpr_malloc(elems_size * sizeof(elem_struct));
+  elem_struct *elems =
+      static_cast<elem_struct *>(gpr_malloc(elems_size * sizeof(elem_struct)));
   size_t num_inserted = 0;
 
   grpc_timer_heap_init(&pq);
diff --git a/test/core/iomgr/timer_list_test.c b/test/core/iomgr/timer_list_test.cc
index c3d9f9d88d..c3d9f9d88d 100644
--- a/test/core/iomgr/timer_list_test.c
+++ b/test/core/iomgr/timer_list_test.cc
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.cc
index 2e44d0abc8..51c7ab8c29 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.cc
@@ -118,7 +118,8 @@ static const grpc_socket_factory_vtable test_socket_factory_vtable = {
     test_socket_factory_compare, test_socket_factory_destroy};
 
 static test_socket_factory *test_socket_factory_create(void) {
-  test_socket_factory *factory = gpr_malloc(sizeof(test_socket_factory));
+  test_socket_factory *factory = static_cast<test_socket_factory *>(
+      gpr_malloc(sizeof(test_socket_factory)));
   grpc_socket_factory_init(&factory->base, &test_socket_factory_vtable);
   factory->number_of_socket_calls = 0;
   factory->number_of_bind_calls = 0;
@@ -292,7 +293,7 @@ static void test_receive(int number_of_clients) {
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
                             grpc_error *error) {
-  grpc_pollset_destroy(exec_ctx, p);
+  grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset *>(p));
 }
 
 int main(int argc, char **argv) {
@@ -300,7 +301,7 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  g_pollset = gpr_zalloc(grpc_pollset_size());
+  g_pollset = static_cast<grpc_pollset *>(gpr_zalloc(grpc_pollset_size()));
   grpc_pollset_init(g_pollset, &g_mu);
 
   test_no_op();
diff --git a/test/core/iomgr/wakeup_fd_cv_test.c b/test/core/iomgr/wakeup_fd_cv_test.cc
index 0b211274f2..0b211274f2 100644
--- a/test/core/iomgr/wakeup_fd_cv_test.c
+++ b/test/core/iomgr/wakeup_fd_cv_test.cc