1 files changed, 132 insertions, 0 deletions
diff --git a/test/core/iomgr/socket_utils_test.cc b/test/core/iomgr/socket_utils_test.cc
new file mode 100644
index 0000000000..49c6f799e7
--- /dev/null
+++ b/test/core/iomgr/socket_utils_test.cc
@@ -0,0 +1,132 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+// This test won't work except with posix sockets enabled
+#ifdef GRPC_POSIX_SOCKET
+
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+
+#include <errno.h>
+#include <netinet/ip.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/socket_mutator.h"
+#include "test/core/util/test_config.h"
+
+struct test_socket_mutator {
+  grpc_socket_mutator base;
+  int option_value;
+};
+
+static bool mutate_fd(int fd, grpc_socket_mutator* mutator) {
+  int newval;
+  socklen_t intlen = sizeof(newval);
+  struct test_socket_mutator* m = (struct test_socket_mutator*)mutator;
+
+  if (0 != setsockopt(fd, IPPROTO_IP, IP_TOS, &m->option_value,
+                      sizeof(m->option_value))) {
+    return false;
+  }
+  if (0 != getsockopt(fd, IPPROTO_IP, IP_TOS, &newval, &intlen)) {
+    return false;
+  }
+  if (newval != m->option_value) {
+    return false;
+  }
+  return true;
+}
+
+static void destroy_test_mutator(grpc_socket_mutator* mutator) {
+  struct test_socket_mutator* m = (struct test_socket_mutator*)mutator;
+  gpr_free(m);
+}
+
+static int compare_test_mutator(grpc_socket_mutator* a,
+                                grpc_socket_mutator* b) {
+  struct test_socket_mutator* ma = (struct test_socket_mutator*)a;
+  struct test_socket_mutator* mb = (struct test_socket_mutator*)b;
+  return GPR_ICMP(ma->option_value, mb->option_value);
+}
+
+static const grpc_socket_mutator_vtable mutator_vtable = {
+    mutate_fd, compare_test_mutator, destroy_test_mutator};
+
+int main(int argc, char** argv) {
+  int sock;
+  grpc_error* err;
+  grpc_test_init(argc, argv);
+
+  sock = socket(PF_INET, SOCK_STREAM, 0);
+  GPR_ASSERT(sock > 0);
+
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_nonblocking",
+                               grpc_set_socket_nonblocking(sock, 1)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_nonblocking",
+                               grpc_set_socket_nonblocking(sock, 0)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_cloexec",
+                               grpc_set_socket_cloexec(sock, 1)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_cloexec",
+                               grpc_set_socket_cloexec(sock, 0)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_reuse_addr",
+                               grpc_set_socket_reuse_addr(sock, 1)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_reuse_addr",
+                               grpc_set_socket_reuse_addr(sock, 0)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_low_latency",
+                               grpc_set_socket_low_latency(sock, 1)));
+  GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_low_latency",
+                               grpc_set_socket_low_latency(sock, 0)));
+
+  struct test_socket_mutator mutator;
+  grpc_socket_mutator_init(&mutator.base, &mutator_vtable);
+
+  mutator.option_value = IPTOS_LOWDELAY;
+  GPR_ASSERT(GRPC_LOG_IF_ERROR(
+      "set_socket_with_mutator",
+      grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator)));
+
+  mutator.option_value = IPTOS_THROUGHPUT;
+  GPR_ASSERT(GRPC_LOG_IF_ERROR(
+      "set_socket_with_mutator",
+      grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator)));
+
+  mutator.option_value = IPTOS_RELIABILITY;
+  GPR_ASSERT(GRPC_LOG_IF_ERROR(
+      "set_socket_with_mutator",
+      grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator)));
+
+  mutator.option_value = -1;
+  err = grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator);
+  GPR_ASSERT(err != GRPC_ERROR_NONE);
+  GRPC_ERROR_UNREF(err);
+
+  close(sock);
+
+  return 0;
+}
+
+#else /* GRPC_POSIX_SOCKET */
+
+int main(int argc, char** argv) { return 1; }
+
+#endif /* GRPC_POSIX_SOCKET */