Open source system call tests.

PiperOrigin-RevId: 224886231
Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22

1 files changed, 63 insertions, 0 deletions

diff --git a/test/syscalls/linux/socket_non_blocking.cc b/test/syscalls/linux/socket_non_blocking.cc
new file mode 100644
index 000000000..1bcc6fb7f
--- /dev/null
+++ b/test/syscalls/linux/socket_non_blocking.cc
@@ -0,0 +1,63 @@
+// Copyright 2018 Google LLC
+//
+// 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 "test/syscalls/linux/socket_non_blocking.h"
+
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include "gtest/gtest.h"
+#include "gtest/gtest.h"
+#include "test/syscalls/linux/socket_test_util.h"
+#include "test/syscalls/linux/unix_domain_socket_test_util.h"
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+namespace {
+
+TEST_P(NonBlockingSocketPairTest, ReadNothingAvailable) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+  char buf[20] = {};
+  ASSERT_THAT(ReadFd(sockets->first_fd(), buf, sizeof(buf)),
+              SyscallFailsWithErrno(EAGAIN));
+}
+
+TEST_P(NonBlockingSocketPairTest, RecvNothingAvailable) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+  char buf[20] = {};
+  ASSERT_THAT(RetryEINTR(recv)(sockets->first_fd(), buf, sizeof(buf), 0),
+              SyscallFailsWithErrno(EAGAIN));
+}
+
+TEST_P(NonBlockingSocketPairTest, RecvMsgNothingAvailable) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+
+  struct iovec iov;
+  char buf[20] = {};
+  iov.iov_base = buf;
+  iov.iov_len = sizeof(buf);
+  struct msghdr msg = {};
+  msg.msg_iov = &iov;
+  msg.msg_iovlen = 1;
+
+  ASSERT_THAT(RetryEINTR(recvmsg)(sockets->first_fd(), &msg, 0),
+              SyscallFailsWithErrno(EAGAIN));
+}
+
+}  // namespace
+}  // namespace testing
+}  // namespace gvisor