mbed-os/UNITTESTS/features/netsocket/UDPSocket/test_UDPSocket.cpp

82 lines
2.3 KiB
C++

/*
* Copyright (c) 2018, Arm Limited and affiliates
* SPDX-License-Identifier: Apache-2.0
*
* 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 "gtest/gtest.h"
#include "features/netsocket/UDPSocket.h"
#include "features/netsocket/nsapi_dns.h"
#include "NetworkStack_stub.h"
/**
* This test needs to access a private function
* which is why it is declared as friend
* following the documentation of google test.
* [*](https://github.com/google/googletest/blob/master/googletest/docs/advanced.md)
*/
class stubUDPSocket : public UDPSocket {
friend class TestUDPSocket;
FRIEND_TEST(TestUDPSocket, get_proto);
};
class TestUDPSocket : public testing::Test {
protected:
stubUDPSocket *socket;
NetworkStackstub stack;
virtual void SetUp()
{
socket = new stubUDPSocket;
stack.return_value = NSAPI_ERROR_OK;
socket->open((NetworkStack *)&stack);
}
virtual void TearDown()
{
delete socket;
}
};
TEST_F(TestUDPSocket, get_proto)
{
EXPECT_EQ(socket->get_proto(), NSAPI_UDP);
}
TEST_F(TestUDPSocket, sendto_addr_port)
{
stack.return_value = NSAPI_ERROR_PARAMETER;
EXPECT_EQ(socket->sendto("127.0.0.1", 0, 0, 0), NSAPI_ERROR_DNS_FAILURE);
stack.return_value = NSAPI_ERROR_OK;
EXPECT_EQ(socket->sendto("127.0.0.1", 0, 0, 0), 0);
}
TEST_F(TestUDPSocket, sendto)
{
SocketAddress addr("127.0.0.1", 1024);
stack.return_value = NSAPI_ERROR_OK;
socket->open((NetworkStack *)&stack);
stack.return_value = 100;
EXPECT_EQ(socket->sendto(addr, 0, 100), 100);
socket->set_timeout(0);
stack.return_value = NSAPI_ERROR_WOULD_BLOCK;
EXPECT_EQ(socket->sendto(addr, 0, 100), NSAPI_ERROR_WOULD_BLOCK);
socket->set_timeout(-1);
stack.return_value = NSAPI_ERROR_NO_CONNECTION;
EXPECT_EQ(socket->sendto(addr, 0, 100), NSAPI_ERROR_NO_CONNECTION);
}