1 files changed, 93 insertions, 0 deletions
diff --git a/test/syscalls/linux/accept_bind_stream.cc b/test/syscalls/linux/accept_bind_stream.cc
new file mode 100644
index 000000000..f7113a6fc
--- /dev/null
+++ b/test/syscalls/linux/accept_bind_stream.cc
@@ -0,0 +1,93 @@
+// 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 <stdio.h>
+#include <sys/un.h>
+#include <algorithm>
+#include <vector>
+#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/file_descriptor.h"
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+
+namespace {
+
+TEST_P(AllSocketPairTest, BoundSenderAddrCoalesced) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+
+  ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
+                   sockets->first_addr_size()),
+              SyscallSucceeds());
+
+  ASSERT_THAT(listen(sockets->first_fd(), 5), SyscallSucceeds());
+
+  ASSERT_THAT(connect(sockets->second_fd(), sockets->first_addr(),
+                      sockets->first_addr_size()),
+              SyscallSucceeds());
+
+  int accepted = -1;
+  ASSERT_THAT(accepted = accept(sockets->first_fd(), nullptr, nullptr),
+              SyscallSucceeds());
+  FileDescriptor closer(accepted);
+
+  int i = 0;
+  ASSERT_THAT(RetryEINTR(send)(sockets->second_fd(), &i, sizeof(i), 0),
+              SyscallSucceedsWithValue(sizeof(i)));
+
+  ASSERT_THAT(bind(sockets->second_fd(), sockets->second_addr(),
+                   sockets->second_addr_size()),
+              SyscallSucceeds());
+
+  i = 0;
+  ASSERT_THAT(RetryEINTR(send)(sockets->second_fd(), &i, sizeof(i), 0),
+              SyscallSucceedsWithValue(sizeof(i)));
+
+  int ri[2] = {0, 0};
+  struct sockaddr_storage addr;
+  socklen_t addr_len = sizeof(addr);
+  ASSERT_THAT(
+      RetryEINTR(recvfrom)(accepted, ri, sizeof(ri), 0,
+                           reinterpret_cast<sockaddr*>(&addr), &addr_len),
+      SyscallSucceedsWithValue(sizeof(ri)));
+  EXPECT_EQ(addr_len, sockets->second_addr_len());
+
+  EXPECT_EQ(
+      memcmp(&addr, sockets->second_addr(),
+             std::min((size_t)addr_len, (size_t)sockets->second_addr_len())),
+      0);
+}
+
+INSTANTIATE_TEST_CASE_P(
+    AllUnixDomainSockets, AllSocketPairTest,
+    ::testing::ValuesIn(VecCat<SocketPairKind>(
+        ApplyVec<SocketPairKind>(
+            FilesystemUnboundUnixDomainSocketPair,
+            AllBitwiseCombinations(List<int>{SOCK_STREAM},
+                                   List<int>{0, SOCK_NONBLOCK},
+                                   List<int>{0, SOCK_CLOEXEC})),
+        ApplyVec<SocketPairKind>(
+            AbstractUnboundUnixDomainSocketPair,
+            AllBitwiseCombinations(List<int>{SOCK_STREAM},
+                                   List<int>{0, SOCK_NONBLOCK},
+                                   List<int>{0, SOCK_CLOEXEC})))));
+
+}  // namespace
+
+}  // namespace testing
+}  // namespace gvisor