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// Copyright 2018 The gVisor 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 "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 "test/syscalls/linux/unix_domain_socket_test_util.h"
#include "test/util/socket_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
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