Open source system call tests.

PiperOrigin-RevId: 224886231
Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22

1 files changed, 50 insertions, 0 deletions

diff --git a/test/syscalls/linux/socket_stream_nonblock.cc b/test/syscalls/linux/socket_stream_nonblock.cc
new file mode 100644
index 000000000..a3202ffe4
--- /dev/null
+++ b/test/syscalls/linux/socket_stream_nonblock.cc
@@ -0,0 +1,50 @@
+// 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_stream_nonblock.h"
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/uio.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 {
+
+using ::testing::Le;
+
+TEST_P(NonBlockingStreamSocketPairTest, SendMsgTooLarge) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+
+  int sndbuf;
+  socklen_t length = sizeof(sndbuf);
+  ASSERT_THAT(
+      getsockopt(sockets->first_fd(), SOL_SOCKET, SO_SNDBUF, &sndbuf, &length),
+      SyscallSucceeds());
+
+  // Make the call too large to fit in the send buffer.
+  const int buffer_size = 3 * sndbuf;
+
+  EXPECT_THAT(SendLargeSendMsg(sockets, buffer_size, false /* reader */),
+              SyscallSucceedsWithValue(Le(buffer_size)));
+}
+
+}  // namespace testing
+}  // namespace gvisor