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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/tests/test_udp_socket.h"
#include <vector>
#include "ppapi/cpp/pass_ref.h"
#include "ppapi/cpp/tcp_socket.h"
#include "ppapi/cpp/udp_socket.h"
#include "ppapi/cpp/var.h"
#include "ppapi/tests/test_utils.h"
#include "ppapi/tests/testing_instance.h"
REGISTER_TEST_CASE(UDPSocket);
namespace {
const uint16_t kPortScanFrom = 1024;
const uint16_t kPortScanTo = 4096;
pp::NetAddress ReplacePort(const pp::InstanceHandle& instance,
const pp::NetAddress& addr,
uint16_t port) {
switch (addr.GetFamily()) {
case PP_NETADDRESS_FAMILY_IPV4: {
PP_NetAddress_IPv4 ipv4_addr;
if (!addr.DescribeAsIPv4Address(&ipv4_addr))
break;
ipv4_addr.port = ConvertToNetEndian16(port);
return pp::NetAddress(instance, ipv4_addr);
}
case PP_NETADDRESS_FAMILY_IPV6: {
PP_NetAddress_IPv6 ipv6_addr;
if (!addr.DescribeAsIPv6Address(&ipv6_addr))
break;
ipv6_addr.port = ConvertToNetEndian16(port);
return pp::NetAddress(instance, ipv6_addr);
}
default: {
PP_NOTREACHED();
}
}
return pp::NetAddress();
}
} // namespace
TestUDPSocket::TestUDPSocket(TestingInstance* instance)
: TestCase(instance),
socket_interface_1_0_(NULL),
socket_interface_1_1_(NULL) {
}
bool TestUDPSocket::Init() {
bool tcp_socket_is_available = pp::TCPSocket::IsAvailable();
if (!tcp_socket_is_available)
instance_->AppendError("PPB_TCPSocket interface not available");
bool udp_socket_is_available = pp::UDPSocket::IsAvailable();
if (!udp_socket_is_available)
instance_->AppendError("PPB_UDPSocket interface not available");
bool net_address_is_available = pp::NetAddress::IsAvailable();
if (!net_address_is_available)
instance_->AppendError("PPB_NetAddress interface not available");
std::string host;
uint16_t port = 0;
bool init_address =
GetLocalHostPort(instance_->pp_instance(), &host, &port) &&
ResolveHost(instance_->pp_instance(), host, port, &address_);
if (!init_address)
instance_->AppendError("Can't init address");
socket_interface_1_0_ =
static_cast<const PPB_UDPSocket_1_0*>(
pp::Module::Get()->GetBrowserInterface(PPB_UDPSOCKET_INTERFACE_1_0));
if (!socket_interface_1_0_)
instance_->AppendError("PPB_UDPSocket_1_0 interface not available");
socket_interface_1_1_ =
static_cast<const PPB_UDPSocket_1_1*>(
pp::Module::Get()->GetBrowserInterface(PPB_UDPSOCKET_INTERFACE_1_1));
if (!socket_interface_1_1_)
instance_->AppendError("PPB_UDPSocket_1_1 interface not available");
return tcp_socket_is_available &&
udp_socket_is_available &&
net_address_is_available &&
init_address &&
CheckTestingInterface() &&
EnsureRunningOverHTTP() &&
socket_interface_1_0_ != NULL &&
socket_interface_1_1_ != NULL;
}
void TestUDPSocket::RunTests(const std::string& filter) {
RUN_CALLBACK_TEST(TestUDPSocket, ReadWrite, filter);
RUN_CALLBACK_TEST(TestUDPSocket, Broadcast, filter);
RUN_CALLBACK_TEST(TestUDPSocket, SetOption_1_0, filter);
RUN_CALLBACK_TEST(TestUDPSocket, SetOption_1_1, filter);
RUN_CALLBACK_TEST(TestUDPSocket, SetOption, filter);
RUN_CALLBACK_TEST(TestUDPSocket, ParallelSend, filter);
RUN_CALLBACK_TEST(TestUDPSocket, Multicast, filter);
// Failure tests. Generally can only be run individually, since they require
// specific socket failures to be injected into the UDP code.
RUN_CALLBACK_TEST(TestUDPSocket, BindFails, filter);
RUN_CALLBACK_TEST(TestUDPSocket, BroadcastBeforeBindFails, filter);
RUN_CALLBACK_TEST(TestUDPSocket, BroadcastAfterBindFails, filter);
RUN_CALLBACK_TEST(TestUDPSocket, SendToFails, filter);
RUN_CALLBACK_TEST(TestUDPSocket, ReadFails, filter);
}
std::string TestUDPSocket::GetLocalAddress(pp::NetAddress* address) {
pp::TCPSocket socket(instance_);
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket.Connect(address_, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
*address = socket.GetLocalAddress();
ASSERT_NE(0, address->pp_resource());
socket.Close();
PASS();
}
std::string TestUDPSocket::SetBroadcastOptions(pp::UDPSocket* socket) {
TestCompletionCallback callback_1(instance_->pp_instance(), callback_type());
callback_1.WaitForResult(socket->SetOption(
PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(true),
callback_1.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback_1);
ASSERT_EQ(PP_OK, callback_1.result());
TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
callback_2.WaitForResult(socket->SetOption(
PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback_2.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_EQ(PP_OK, callback_2.result());
PASS();
}
std::string TestUDPSocket::BindUDPSocket(pp::UDPSocket* socket,
const pp::NetAddress& address) {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket->Bind(address, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
PASS();
}
std::string TestUDPSocket::LookupPortAndBindUDPSocket(
pp::UDPSocket* socket,
pp::NetAddress* address) {
pp::NetAddress base_address;
ASSERT_SUBTEST_SUCCESS(GetLocalAddress(&base_address));
bool is_free_port_found = false;
std::string ret;
for (uint16_t port = kPortScanFrom; port < kPortScanTo; ++port) {
pp::NetAddress new_address = ReplacePort(instance_, base_address, port);
ASSERT_NE(0, new_address.pp_resource());
ret = BindUDPSocket(socket, new_address);
if (ret.empty()) {
is_free_port_found = true;
break;
}
}
if (!is_free_port_found)
return "Can't find available port (" + ret + ")";
*address = socket->GetBoundAddress();
ASSERT_NE(0, address->pp_resource());
PASS();
}
std::string TestUDPSocket::ReadSocket(pp::UDPSocket* socket,
pp::NetAddress* address,
size_t size,
std::string* message) {
std::vector<char> buffer(size);
TestCompletionCallbackWithOutput<pp::NetAddress> callback(
instance_->pp_instance(), callback_type());
callback.WaitForResult(
socket->RecvFrom(&buffer[0], static_cast<int32_t>(size),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_FALSE(callback.result() < 0);
ASSERT_EQ(size, static_cast<size_t>(callback.result()));
*address = callback.output();
message->assign(buffer.begin(), buffer.end());
PASS();
}
std::string TestUDPSocket::PassMessage(pp::UDPSocket* target,
pp::UDPSocket* source,
const pp::NetAddress& target_address,
const std::string& message,
pp::NetAddress* recvfrom_address) {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
int32_t rv = source->SendTo(message.c_str(),
static_cast<int32_t>(message.size()),
target_address,
callback.GetCallback());
std::string str;
ASSERT_SUBTEST_SUCCESS(ReadSocket(target, recvfrom_address, message.size(),
&str));
callback.WaitForResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_FALSE(callback.result() < 0);
ASSERT_EQ(message.size(), static_cast<size_t>(callback.result()));
ASSERT_EQ(message, str);
PASS();
}
std::string TestUDPSocket::SetMulticastOptions(pp::UDPSocket* socket) {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket->SetOption(
PP_UDPSOCKET_OPTION_MULTICAST_LOOP, pp::Var(true),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
callback.WaitForResult(socket->SetOption(
PP_UDPSOCKET_OPTION_MULTICAST_TTL, pp::Var(1), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
PASS();
}
std::string TestUDPSocket::TestReadWrite() {
pp::UDPSocket server_socket(instance_), client_socket(instance_);
pp::NetAddress server_address, client_address;
ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&server_socket,
&server_address));
ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&client_socket,
&client_address));
const std::string message = "Simple message that will be sent via UDP";
pp::NetAddress recvfrom_address;
ASSERT_SUBTEST_SUCCESS(PassMessage(&server_socket, &client_socket,
server_address, message,
&recvfrom_address));
ASSERT_TRUE(EqualNetAddress(recvfrom_address, client_address));
server_socket.Close();
client_socket.Close();
if (server_socket.GetBoundAddress().pp_resource() != 0)
return "PPB_UDPSocket::GetBoundAddress: expected failure";
PASS();
}
std::string TestUDPSocket::TestBroadcast() {
pp::UDPSocket server1(instance_), server2(instance_);
ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server1));
ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server2));
PP_NetAddress_IPv4 any_ipv4_address = { 0, { 0, 0, 0, 0 } };
pp::NetAddress any_address(instance_, any_ipv4_address);
ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server1, any_address));
// Fill port field of |server_address|.
pp::NetAddress server_address = server1.GetBoundAddress();
ASSERT_NE(0, server_address.pp_resource());
ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server2, server_address));
PP_NetAddress_IPv4 server_ipv4_address;
ASSERT_TRUE(server_address.DescribeAsIPv4Address(&server_ipv4_address));
PP_NetAddress_IPv4 broadcast_ipv4_address = {
server_ipv4_address.port, { 0xff, 0xff, 0xff, 0xff }
};
pp::NetAddress broadcast_address(instance_, broadcast_ipv4_address);
std::string message;
const std::string first_message = "first message";
const std::string second_message = "second_message";
pp::NetAddress recvfrom_address;
ASSERT_SUBTEST_SUCCESS(PassMessage(&server1, &server2, broadcast_address,
first_message, &recvfrom_address));
// |first_message| was also received by |server2|.
ASSERT_SUBTEST_SUCCESS(ReadSocket(&server2, &recvfrom_address,
first_message.size(), &message));
ASSERT_EQ(first_message, message);
ASSERT_SUBTEST_SUCCESS(PassMessage(&server2, &server1, broadcast_address,
second_message, &recvfrom_address));
// |second_message| was also received by |server1|.
ASSERT_SUBTEST_SUCCESS(ReadSocket(&server1, &recvfrom_address,
second_message.size(), &message));
ASSERT_EQ(second_message, message);
server1.Close();
server2.Close();
PASS();
}
int32_t TestUDPSocket::SetOptionValue(UDPSocketSetOption func,
PP_Resource socket,
PP_UDPSocket_Option option,
const PP_Var& value) {
PP_TimeTicks start_time(NowInTimeTicks());
TestCompletionCallback cb(instance_->pp_instance(), callback_type());
cb.WaitForResult(func(socket, option, value,
cb.GetCallback().pp_completion_callback()));
// Expanded from CHECK_CALLBACK_BEHAVIOR macro.
if (cb.failed()) {
std::string msg = MakeFailureMessage(__FILE__, __LINE__,
cb.errors().c_str());
instance_->LogTest("SetOptionValue", msg, start_time);
return PP_ERROR_FAILED;
}
return cb.result();
}
std::string TestUDPSocket::TestSetOption_1_0() {
PP_Resource socket = socket_interface_1_0_->Create(instance_->pp_instance());
ASSERT_NE(0, socket);
// Multicast options are not supported in interface 1.0.
ASSERT_EQ(PP_ERROR_BADARGUMENT,
SetOptionValue(socket_interface_1_0_->SetOption,
socket,
PP_UDPSOCKET_OPTION_MULTICAST_LOOP,
PP_MakeBool(PP_TRUE)));
ASSERT_EQ(PP_ERROR_BADARGUMENT,
SetOptionValue(socket_interface_1_0_->SetOption,
socket,
PP_UDPSOCKET_OPTION_MULTICAST_TTL,
PP_MakeInt32(1)));
socket_interface_1_0_->Close(socket);
pp::Module::Get()->core()->ReleaseResource(socket);
PASS();
}
std::string TestUDPSocket::TestSetOption_1_1() {
PP_Resource socket = socket_interface_1_1_->Create(instance_->pp_instance());
ASSERT_NE(0, socket);
// Multicast options are not supported in interface 1.1.
ASSERT_EQ(PP_ERROR_BADARGUMENT,
SetOptionValue(socket_interface_1_1_->SetOption,
socket,
PP_UDPSOCKET_OPTION_MULTICAST_LOOP,
PP_MakeBool(PP_TRUE)));
ASSERT_EQ(PP_ERROR_BADARGUMENT,
SetOptionValue(socket_interface_1_1_->SetOption,
socket,
PP_UDPSOCKET_OPTION_MULTICAST_TTL,
PP_MakeInt32(1)));
socket_interface_1_1_->Close(socket);
pp::Module::Get()->core()->ReleaseResource(socket);
PASS();
}
std::string TestUDPSocket::TestSetOption() {
pp::UDPSocket socket(instance_);
ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&socket));
ASSERT_SUBTEST_SUCCESS(SetMulticastOptions(&socket));
// Try to pass incorrect option value's type.
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(1), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
// Invalid multicast TTL values (less than 0 and greater than 255).
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_MULTICAST_TTL, pp::Var(-1), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_MULTICAST_TTL, pp::Var(256), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(false), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_SEND_BUFFER_SIZE, pp::Var(4096),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_RECV_BUFFER_SIZE, pp::Var(512),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::NetAddress address;
ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&socket, &address));
// ADDRESS_REUSE won't take effect after the socket is bound.
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(true),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
// BROADCAST, SEND_BUFFER_SIZE and RECV_BUFFER_SIZE can be set after the
// socket is bound.
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_SEND_BUFFER_SIZE, pp::Var(2048),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_RECV_BUFFER_SIZE, pp::Var(1024),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
PASS();
}
std::string TestUDPSocket::TestParallelSend() {
// This test only makes sense when callbacks are optional.
if (callback_type() != PP_OPTIONAL)
PASS();
pp::UDPSocket server_socket(instance_), client_socket(instance_);
pp::NetAddress server_address, client_address;
ASSERT_SUBTEST_SUCCESS(
LookupPortAndBindUDPSocket(&server_socket, &server_address));
ASSERT_SUBTEST_SUCCESS(
LookupPortAndBindUDPSocket(&client_socket, &client_address));
const std::string message = "Simple message that will be sent via UDP";
pp::NetAddress recvfrom_address;
const size_t kParallelSends = 10;
std::vector<TestCompletionCallback*> sendto_callbacks(kParallelSends);
std::vector<int32_t> sendto_results(kParallelSends);
size_t pending = 0;
for (size_t i = 0; i < kParallelSends; i++) {
sendto_callbacks[i] =
new TestCompletionCallback(instance_->pp_instance(), callback_type());
sendto_results[i] =
client_socket.SendTo(message.c_str(),
static_cast<int32_t>(message.size()),
server_address,
sendto_callbacks[i]->GetCallback());
if (sendto_results[i] == PP_ERROR_INPROGRESS) {
// Run a pending send to completion to free a slot for the current send.
ASSERT_GT(i, pending);
sendto_callbacks[pending]->WaitForResult(sendto_results[pending]);
CHECK_CALLBACK_BEHAVIOR(*sendto_callbacks[pending]);
ASSERT_EQ(message.size(),
static_cast<size_t>(sendto_callbacks[pending]->result()));
pending++;
// Try to send the message again.
sendto_results[i] =
client_socket.SendTo(message.c_str(),
static_cast<int32_t>(message.size()),
server_address,
sendto_callbacks[i]->GetCallback());
ASSERT_NE(PP_ERROR_INPROGRESS, sendto_results[i]);
}
}
// Finish all pending sends.
for (size_t i = pending; i < kParallelSends; i++) {
sendto_callbacks[i]->WaitForResult(sendto_results[i]);
CHECK_CALLBACK_BEHAVIOR(*sendto_callbacks[i]);
ASSERT_EQ(message.size(),
static_cast<size_t>(sendto_callbacks[i]->result()));
}
for (size_t i = 0; i < kParallelSends; ++i)
delete sendto_callbacks[i];
for (size_t i = 0; i < kParallelSends; i++) {
std::string str;
ASSERT_SUBTEST_SUCCESS(
ReadSocket(&server_socket, &recvfrom_address, message.size(), &str));
ASSERT_EQ(message, str);
}
server_socket.Close();
client_socket.Close();
PASS();
}
std::string TestUDPSocket::TestMulticast() {
pp::UDPSocket server1(instance_), server2(instance_);
ASSERT_SUBTEST_SUCCESS(SetMulticastOptions(&server1));
ASSERT_SUBTEST_SUCCESS(SetMulticastOptions(&server2));
server1.Close();
server2.Close();
PASS();
}
std::string TestUDPSocket::TestBindFails() {
pp::UDPSocket socket(instance_);
PP_NetAddress_IPv4 any_ipv4_address = {0, {0, 0, 0, 0}};
pp::NetAddress any_address(instance_, any_ipv4_address);
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket.Bind(any_address, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
PASS();
}
std::string TestUDPSocket::TestBroadcastBeforeBindFails() {
pp::UDPSocket socket(instance_);
ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&socket));
PP_NetAddress_IPv4 any_ipv4_address = {0, {0, 0, 0, 0}};
pp::NetAddress any_address(instance_, any_ipv4_address);
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket.Bind(any_address, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
PASS();
}
std::string TestUDPSocket::TestBroadcastAfterBindFails() {
pp::UDPSocket socket(instance_);
PP_NetAddress_IPv4 any_ipv4_address = {0, {0, 0, 0, 0}};
pp::NetAddress any_address(instance_, any_ipv4_address);
ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&socket, any_address));
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
callback.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
// Setting broadcast again should also fail.
TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
callback_2.WaitForResult(socket.SetOption(
PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback_2.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_EQ(PP_ERROR_FAILED, callback_2.result());
PASS();
}
std::string TestUDPSocket::TestSendToFails() {
pp::UDPSocket socket(instance_);
PP_NetAddress_IPv4 any_ipv4_address = {0, {0, 0, 0, 0}};
pp::NetAddress any_address(instance_, any_ipv4_address);
ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&socket, any_address));
std::vector<char> buffer(1);
buffer[0] = 1;
PP_NetAddress_IPv4 target_ipv4_address = {1024, {127, 0, 0, 1}};
pp::NetAddress target_address(instance_, target_ipv4_address);
// All writes should fail.
for (int i = 0; i < 10; ++i) {
TestCompletionCallbackWithOutput<pp::NetAddress> callback(
instance_->pp_instance(), callback_type());
callback.WaitForResult(
socket.SendTo(buffer.data(), static_cast<int32_t>(buffer.size()),
target_address, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
}
PASS();
}
std::string TestUDPSocket::TestReadFails() {
pp::UDPSocket socket(instance_);
PP_NetAddress_IPv4 any_ipv4_address = {0, {0, 0, 0, 0}};
pp::NetAddress any_address(instance_, any_ipv4_address);
ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&socket, any_address));
std::vector<char> buffer(1);
// All reads should fail. Larger number of reads increases the chance that at
// least one read will be synchronous.
for (int i = 0; i < 200; ++i) {
TestCompletionCallbackWithOutput<pp::NetAddress> callback(
instance_->pp_instance(), callback_type());
callback.WaitForResult(socket.RecvFrom(&buffer[0],
static_cast<int32_t>(buffer.size()),
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
}
PASS();
}