src/inet/tests/TestInetEndPoint.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *
  *    Copyright (c) 2020-2021 Project CHIP Authors
  *    Copyright (c) 2018 Google LLC.
  *    Copyright (c) 2016-2018 Nest Labs, Inc.
  *    All rights reserved.
  *
  *    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.
  */

 /**
  *    @file
  *     This file implements a unit test suite for InetLayer EndPoint related features
  *
  */

 #ifndef __STDC_LIMIT_MACROS
 #define __STDC_LIMIT_MACROS
 #endif

 #include <errno.h>
 #include <inttypes.h>
 #include <stdint.h>
 #include <string.h>

 #include <CHIPVersion.h>

 #include <inet/InetError.h>
 #include <inet/InetLayer.h>

 #include <lib/support/CHIPArgParser.hpp>
 #include <lib/support/CHIPMem.h>
 #include <lib/support/CodeUtils.h>
 #include <lib/support/UnitTestRegistration.h>

 #include <system/SystemError.h>

 #include <nlunit-test.h>

 #include "TestInetCommon.h"
 #include "TestSetupSignalling.h"

 using namespace chip;
 using namespace chip::Inet;
 using namespace chip::System;
 using namespace chip::System::Clock::Literals;

 #define TOOL_NAME "TestInetEndPoint"

 bool callbackHandlerCalled = false;

 void HandleDNSResolveComplete(void * appState, CHIP_ERROR err, uint8_t addrCount, IPAddress * addrArray)
 {
     callbackHandlerCalled = true;

     if (addrCount > 0)
     {
         char destAddrStr[64];
         addrArray->ToString(destAddrStr);
         printf("    DNS name resolution complete: %s\n", destAddrStr);
     }
     else
         printf("    DNS name resolution return no addresses\n");
 }

 void HandleTimer(Layer * aLayer, void * aAppState)
 {
     printf("    timer handler\n");
 }

 // Test before init network, Inet is not initialized
 static void TestInetPre(nlTestSuite * inSuite, void * inContext)
 {
 #if INET_CONFIG_ENABLE_UDP_ENDPOINT
     UDPEndPoint * testUDPEP = nullptr;
 #endif // INET_CONFIG_ENABLE_UDP_ENDPOINT
 #if INET_CONFIG_ENABLE_TCP_ENDPOINT
     TCPEndPoint * testTCPEP = nullptr;
 #endif // INET_CONFIG_ENABLE_TCP_ENDPOINT
     CHIP_ERROR err = CHIP_NO_ERROR;

     // Deinit system layer and network
     ShutdownNetwork();
     if (gSystemLayer.IsInitialized())
     {
         ShutdownSystemLayer();
     }

 #if INET_CONFIG_ENABLE_UDP_ENDPOINT
     err = gInet.NewUDPEndPoint(&testUDPEP);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
 #endif // INET_CONFIG_ENABLE_UDP_ENDPOINT

 #if INET_CONFIG_ENABLE_TCP_ENDPOINT
     err = gInet.NewTCPEndPoint(&testTCPEP);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
 #endif // INET_CONFIG_ENABLE_TCP_ENDPOINT

     err = gSystemLayer.StartTimer(10_ms32, HandleTimer, nullptr);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);

     // then init network
     InitSystemLayer();
     InitNetwork();
 }

 static void TestInetError(nlTestSuite * inSuite, void * inContext)
 {
     CHIP_ERROR err = CHIP_NO_ERROR;

     err = CHIP_ERROR_POSIX(EPERM);
     NL_TEST_ASSERT(inSuite, DescribeErrorPOSIX(err));
     NL_TEST_ASSERT(inSuite, err.IsRange(ChipError::Range::kPOSIX));
 }

 static void TestInetInterface(nlTestSuite * inSuite, void * inContext)
 {
     InterfaceIterator intIterator;
     InterfaceAddressIterator addrIterator;
     char intName[chip::Inet::InterfaceId::kMaxIfNameLength];
     InterfaceId intId;
     IPAddress addr;
     IPPrefix addrWithPrefix;
     CHIP_ERROR err;

     err = InterfaceId::InterfaceNameToId("0", intId);
     NL_TEST_ASSERT(inSuite, err != CHIP_NO_ERROR);

     err = InterfaceId::Null().GetInterfaceName(intName, 0);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_BUFFER_TOO_SMALL);

     err = InterfaceId::Null().GetInterfaceName(intName, sizeof(intName));
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR && intName[0] == '\0');

     err = gInet.GetInterfaceFromAddr(addr, intId);
     NL_TEST_ASSERT(inSuite, !intId.IsPresent());

     err = gInet.GetLinkLocalAddr(intId, nullptr);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INVALID_ARGUMENT);

     printf("    Interfaces:\n");
     for (; intIterator.HasCurrent(); intIterator.Next())
     {
         intId = intIterator.GetInterfaceId();
         NL_TEST_ASSERT(inSuite, intId.IsPresent());
         memset(intName, 42, sizeof(intName));
         err = intIterator.GetInterfaceName(intName, sizeof(intName));
         NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
         printf("     interface id: 0x%" PRIxPTR ", interface name: %s, interface state: %s, %s multicast, %s broadcast addr\n",
 #if CHIP_SYSTEM_CONFIG_USE_LWIP
                reinterpret_cast<uintptr_t>(intId.GetPlatformInterface()),
 #else
                static_cast<uintptr_t>(intId.GetPlatformInterface()),
 #endif
                intName, intIterator.IsUp() ? "UP" : "DOWN", intIterator.SupportsMulticast() ? "supports" : "no",
                intIterator.HasBroadcastAddress() ? "has" : "no");

         gInet.GetLinkLocalAddr(intId, &addr);
         gInet.MatchLocalIPv6Subnet(addr);
     }
     NL_TEST_ASSERT(inSuite, !intIterator.Next());
     NL_TEST_ASSERT(inSuite, intIterator.GetInterfaceId() == InterfaceId::Null());
     NL_TEST_ASSERT(inSuite, intIterator.GetInterfaceName(intName, sizeof(intName)) == CHIP_ERROR_INCORRECT_STATE);
     NL_TEST_ASSERT(inSuite, !intIterator.SupportsMulticast());
     NL_TEST_ASSERT(inSuite, !intIterator.HasBroadcastAddress());

     printf("    Addresses:\n");
     for (; addrIterator.HasCurrent(); addrIterator.Next())
     {
         addr = addrIterator.GetAddress();
         addrIterator.GetAddressWithPrefix(addrWithPrefix);
         char addrStr[80];
         addrWithPrefix.IPAddr.ToString(addrStr);
         intId = addrIterator.GetInterfaceId();
         NL_TEST_ASSERT(inSuite, intId.IsPresent());
         memset(intName, 42, sizeof(intName));
         err = addrIterator.GetInterfaceName(intName, sizeof(intName));
         NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
         NL_TEST_ASSERT(inSuite, intName[0] != '\0' && memchr(intName, '\0', sizeof(intName)) != nullptr);
         printf("     %s/%d, interface id: 0x%" PRIxPTR
                ", interface name: %s, interface state: %s, %s multicast, %s broadcast addr\n",
                addrStr, addrWithPrefix.Length,
 #if CHIP_SYSTEM_CONFIG_USE_LWIP
                reinterpret_cast<uintptr_t>(intId.GetPlatformInterface()),
 #else
                static_cast<uintptr_t>(intId.GetPlatformInterface()),
 #endif
                intName, addrIterator.IsUp() ? "UP" : "DOWN", addrIterator.SupportsMulticast() ? "supports" : "no",
                addrIterator.HasBroadcastAddress() ? "has" : "no");
     }
     NL_TEST_ASSERT(inSuite, !addrIterator.Next());
     addrIterator.GetAddressWithPrefix(addrWithPrefix);
     NL_TEST_ASSERT(inSuite, addrWithPrefix.IsZero());
     NL_TEST_ASSERT(inSuite, addrIterator.GetInterfaceId() == InterfaceId::Null());
     NL_TEST_ASSERT(inSuite, addrIterator.GetInterfaceName(intName, sizeof(intName)) == CHIP_ERROR_INCORRECT_STATE);
     NL_TEST_ASSERT(inSuite, !addrIterator.SupportsMulticast());
     NL_TEST_ASSERT(inSuite, !addrIterator.HasBroadcastAddress());
 }

 static void TestInetEndPointInternal(nlTestSuite * inSuite, void * inContext)
 {
     CHIP_ERROR err;
     IPAddress addr_any = IPAddress::Any;
     IPAddress addr;
 #if INET_CONFIG_ENABLE_IPV4
     IPAddress addr_v4;
 #endif // INET_CONFIG_ENABLE_IPV4
     InterfaceId intId;

     // EndPoint
     UDPEndPoint * testUDPEP  = nullptr;
     TCPEndPoint * testTCPEP1 = nullptr;
     PacketBufferHandle buf   = PacketBufferHandle::New(PacketBuffer::kMaxSize);

     // init all the EndPoints
     err = gInet.NewUDPEndPoint(&testUDPEP);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

     err = gInet.NewTCPEndPoint(&testTCPEP1);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

     err = gInet.GetLinkLocalAddr(InterfaceId::Null(), &addr);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
     err = gInet.GetInterfaceFromAddr(addr, intId);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

 #if INET_CONFIG_ENABLE_IPV4
     NL_TEST_ASSERT(inSuite, IPAddress::FromString("10.0.0.1", addr_v4));
 #endif // INET_CONFIG_ENABLE_IPV4

     // UdpEndPoint special cases to cover the error branch
     err = testUDPEP->Listen(nullptr /*OnMessageReceived*/, nullptr /*OnReceiveError*/);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testUDPEP->Bind(IPAddressType::kUnknown, addr_any, 3000);
     NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
     err = testUDPEP->Bind(IPAddressType::kUnknown, addr, 3000);
     NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
 #if INET_CONFIG_ENABLE_IPV4
     err = testUDPEP->Bind(IPAddressType::kIPv4, addr, 3000);
     NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
 #endif // INET_CONFIG_ENABLE_IPV4

     err            = testUDPEP->Bind(IPAddressType::kIPv6, addr, 3000, intId);
     err            = testUDPEP->BindInterface(IPAddressType::kIPv6, intId);
     InterfaceId id = testUDPEP->GetBoundInterface();
     NL_TEST_ASSERT(inSuite, id == intId);

     err = testUDPEP->Listen(nullptr /*OnMessageReceived*/, nullptr /*OnReceiveError*/);
     err = testUDPEP->Listen(nullptr /*OnMessageReceived*/, nullptr /*OnReceiveError*/);
     err = testUDPEP->Bind(IPAddressType::kIPv6, addr, 3000, intId);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testUDPEP->BindInterface(IPAddressType::kIPv6, intId);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     testUDPEP->Free();

     err = gInet.NewUDPEndPoint(&testUDPEP);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
 #if INET_CONFIG_ENABLE_IPV4
     err = testUDPEP->Bind(IPAddressType::kIPv4, addr_v4, 3000, intId);
     NL_TEST_ASSERT(inSuite, err != CHIP_NO_ERROR);
     buf = PacketBufferHandle::New(PacketBuffer::kMaxSize);
     err = testUDPEP->SendTo(addr_v4, 3000, std::move(buf));
     testUDPEP->Free();
 #endif // INET_CONFIG_ENABLE_IPV4

     // TcpEndPoint special cases to cover the error branch
     err = testTCPEP1->GetPeerInfo(nullptr, nullptr);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     buf = PacketBufferHandle::New(PacketBuffer::kMaxSize);
     err = testTCPEP1->Send(std::move(buf), false);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testTCPEP1->EnableKeepAlive(10, 100);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testTCPEP1->DisableKeepAlive();
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testTCPEP1->AckReceive(10);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     NL_TEST_ASSERT(inSuite, !testTCPEP1->PendingReceiveLength());
     err = testTCPEP1->Listen(4);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testTCPEP1->GetLocalInfo(nullptr, nullptr);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);

     err = testTCPEP1->Bind(IPAddressType::kUnknown, addr_any, 3000, true);
     NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
 #if INET_CONFIG_ENABLE_IPV4
     err = testTCPEP1->Bind(IPAddressType::kIPv4, addr, 3000, true);
     NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
 #endif // INET_CONFIG_ENABLE_IPV4
     err = testTCPEP1->Bind(IPAddressType::kUnknown, addr, 3000, true);
     NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);

     err = testTCPEP1->Bind(IPAddressType::kIPv6, addr_any, 3000, true);
     err = testTCPEP1->Bind(IPAddressType::kIPv6, addr_any, 3000, true);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
     err = testTCPEP1->Listen(4);
 #if INET_CONFIG_ENABLE_IPV4
     err = testTCPEP1->Connect(addr_v4, 4000, intId);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
 #endif // INET_CONFIG_ENABLE_IPV4

     testTCPEP1->Free();
 }

 #if !CHIP_SYSTEM_CONFIG_POOL_USE_HEAP
 // Test the InetLayer resource limitation
 static void TestInetEndPointLimit(nlTestSuite * inSuite, void * inContext)
 {
     UDPEndPoint * testUDPEP[INET_CONFIG_NUM_UDP_ENDPOINTS + 1] = { nullptr };
     TCPEndPoint * testTCPEP[INET_CONFIG_NUM_TCP_ENDPOINTS + 1] = { nullptr };

     CHIP_ERROR err = CHIP_NO_ERROR;

     // TODO: err is not validated EXCEPT the last call
     for (int i = 0; i < INET_CONFIG_NUM_UDP_ENDPOINTS + 1; i++)
         err = gInet.NewUDPEndPoint(&testUDPEP[i]);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_ENDPOINT_POOL_FULL);

     // TODO: err is not validated EXCEPT the last call
     for (int i = 0; i < INET_CONFIG_NUM_TCP_ENDPOINTS + 1; i++)
         err = gInet.NewTCPEndPoint(&testTCPEP[i]);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_ENDPOINT_POOL_FULL);

     // Verify same aComplete and aAppState args do not exhaust timer pool
     for (int i = 0; i < CHIP_SYSTEM_CONFIG_NUM_TIMERS + 1; i++)
     {
         err = gSystemLayer.StartTimer(10_ms32, HandleTimer, nullptr);
         NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
     }

 #if CHIP_SYSTEM_CONFIG_USE_TIMER_POOL
     char numTimersTest[CHIP_SYSTEM_CONFIG_NUM_TIMERS + 1];
     for (int i = 0; i < CHIP_SYSTEM_CONFIG_NUM_TIMERS + 1; i++)
         err = gSystemLayer.StartTimer(10_ms32, HandleTimer, &numTimersTest[i]);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_NO_MEMORY);
 #endif // CHIP_SYSTEM_CONFIG_USE_TIMER_POOL

     ShutdownNetwork();
     ShutdownSystemLayer();

     // Release UDP endpoints
     for (int i = 0; i < INET_CONFIG_NUM_UDP_ENDPOINTS; i++)
     {
         if (testUDPEP[i] != nullptr)
         {
             testUDPEP[i]->Free();
         }
     }

     // Release TCP endpoints
     for (int i = 0; i < INET_CONFIG_NUM_TCP_ENDPOINTS; i++)
     {
         if (testTCPEP[i] != nullptr)
         {
             testTCPEP[i]->Free();
         }
     }
 }
 #endif

 // Test Suite

 /**
  *   Test Suite. It lists all the test functions.
  */
 static const nlTest sTests[] = { NL_TEST_DEF("InetEndPoint::PreTest", TestInetPre),
                                  NL_TEST_DEF("InetEndPoint::TestInetError", TestInetError),
                                  NL_TEST_DEF("InetEndPoint::TestInetInterface", TestInetInterface),
                                  NL_TEST_DEF("InetEndPoint::TestInetEndPoint", TestInetEndPointInternal),
 #if !CHIP_SYSTEM_CONFIG_POOL_USE_HEAP
                                  NL_TEST_DEF("InetEndPoint::TestEndPointLimit", TestInetEndPointLimit),
 #endif
                                  NL_TEST_SENTINEL() };

 #if CHIP_SYSTEM_CONFIG_USE_SOCKETS
 /**
  *  Set up the test suite.
  */
 static int TestSetup(void * inContext)
 {
     CHIP_ERROR error = chip::Platform::MemoryInit();
     if (error != CHIP_NO_ERROR)
         return FAILURE;
     return SUCCESS;
 }

 /**
  *  Tear down the test suite.
  */
 static int TestTeardown(void * inContext)
 {
     ShutdownNetwork();
     ShutdownSystemLayer();
     chip::Platform::MemoryShutdown();
     return SUCCESS;
 }
 #endif // CHIP_SYSTEM_CONFIG_USE_SOCKETS

 int TestInetEndPointInternal()
 {
 #if CHIP_SYSTEM_CONFIG_USE_SOCKETS
     // clang-format off
     nlTestSuite theSuite =
     {
         "inet-endpoint",
         &sTests[0],
         TestSetup,
         TestTeardown
     };
     // clang-format on

     // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);

     return nlTestRunnerStats(&theSuite);
 #else  // !CHIP_SYSTEM_CONFIG_USE_SOCKETS
     return (0);
 #endif // !CHIP_SYSTEM_CONFIG_USE_SOCKETS
 }

 CHIP_REGISTER_TEST_SUITE(TestInetEndPointInternal)

 int TestInetEndPoint()
 {
     SetSIGUSR1Handler();

     // Generate machine-readable, comma-separated value (CSV) output.
     nlTestSetOutputStyle(OUTPUT_CSV);

     return (TestInetEndPointInternal());
 }
	/*
	*
	* Copyright (c) 2020-2021 Project CHIP Authors
	* Copyright (c) 2018 Google LLC.
	* Copyright (c) 2016-2018 Nest Labs, Inc.
	* All rights reserved.
	*
	* 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.
	*/

	/**
	* @file
	* This file implements a unit test suite for InetLayer EndPoint related features
	*
	*/

	#ifndef __STDC_LIMIT_MACROS
	#define __STDC_LIMIT_MACROS
	#endif

	#include <errno.h>
	#include <inttypes.h>
	#include <stdint.h>
	#include <string.h>

	#include <CHIPVersion.h>

	#include <inet/InetError.h>
	#include <inet/InetLayer.h>

	#include <lib/support/CHIPArgParser.hpp>
	#include <lib/support/CHIPMem.h>
	#include <lib/support/CodeUtils.h>
	#include <lib/support/UnitTestRegistration.h>

	#include <system/SystemError.h>

	#include <nlunit-test.h>

	#include "TestInetCommon.h"
	#include "TestSetupSignalling.h"

	using namespace chip;
	using namespace chip::Inet;
	using namespace chip::System;
	using namespace chip::System::Clock::Literals;

	#define TOOL_NAME "TestInetEndPoint"

	bool callbackHandlerCalled = false;

	void HandleDNSResolveComplete(void * appState, CHIP_ERROR err, uint8_t addrCount, IPAddress * addrArray)
	{
	callbackHandlerCalled = true;

	if (addrCount > 0)
	{
	char destAddrStr[64];
	addrArray->ToString(destAddrStr);
	printf(" DNS name resolution complete: %s\n", destAddrStr);
	}
	else
	printf(" DNS name resolution return no addresses\n");
	}

	void HandleTimer(Layer * aLayer, void * aAppState)
	{
	printf(" timer handler\n");
	}

	// Test before init network, Inet is not initialized
	static void TestInetPre(nlTestSuite * inSuite, void * inContext)
	{
	#if INET_CONFIG_ENABLE_UDP_ENDPOINT
	UDPEndPoint * testUDPEP = nullptr;
	#endif // INET_CONFIG_ENABLE_UDP_ENDPOINT
	#if INET_CONFIG_ENABLE_TCP_ENDPOINT
	TCPEndPoint * testTCPEP = nullptr;
	#endif // INET_CONFIG_ENABLE_TCP_ENDPOINT
	CHIP_ERROR err = CHIP_NO_ERROR;

	// Deinit system layer and network
	ShutdownNetwork();
	if (gSystemLayer.IsInitialized())
	{
	ShutdownSystemLayer();
	}

	#if INET_CONFIG_ENABLE_UDP_ENDPOINT
	err = gInet.NewUDPEndPoint(&testUDPEP);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	#endif // INET_CONFIG_ENABLE_UDP_ENDPOINT

	#if INET_CONFIG_ENABLE_TCP_ENDPOINT
	err = gInet.NewTCPEndPoint(&testTCPEP);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	#endif // INET_CONFIG_ENABLE_TCP_ENDPOINT

	err = gSystemLayer.StartTimer(10_ms32, HandleTimer, nullptr);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);

	// then init network
	InitSystemLayer();
	InitNetwork();
	}

	static void TestInetError(nlTestSuite * inSuite, void * inContext)
	{
	CHIP_ERROR err = CHIP_NO_ERROR;

	err = CHIP_ERROR_POSIX(EPERM);
	NL_TEST_ASSERT(inSuite, DescribeErrorPOSIX(err));
	NL_TEST_ASSERT(inSuite, err.IsRange(ChipError::Range::kPOSIX));
	}

	static void TestInetInterface(nlTestSuite * inSuite, void * inContext)
	{
	InterfaceIterator intIterator;
	InterfaceAddressIterator addrIterator;
	char intName[chip::Inet::InterfaceId::kMaxIfNameLength];
	InterfaceId intId;
	IPAddress addr;
	IPPrefix addrWithPrefix;
	CHIP_ERROR err;

	err = InterfaceId::InterfaceNameToId("0", intId);
	NL_TEST_ASSERT(inSuite, err != CHIP_NO_ERROR);

	err = InterfaceId::Null().GetInterfaceName(intName, 0);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_BUFFER_TOO_SMALL);

	err = InterfaceId::Null().GetInterfaceName(intName, sizeof(intName));
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR && intName[0] == '\0');

	err = gInet.GetInterfaceFromAddr(addr, intId);
	NL_TEST_ASSERT(inSuite, !intId.IsPresent());

	err = gInet.GetLinkLocalAddr(intId, nullptr);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INVALID_ARGUMENT);

	printf(" Interfaces:\n");
	for (; intIterator.HasCurrent(); intIterator.Next())
	{
	intId = intIterator.GetInterfaceId();
	NL_TEST_ASSERT(inSuite, intId.IsPresent());
	memset(intName, 42, sizeof(intName));
	err = intIterator.GetInterfaceName(intName, sizeof(intName));
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	printf(" interface id: 0x%" PRIxPTR ", interface name: %s, interface state: %s, %s multicast, %s broadcast addr\n",
	#if CHIP_SYSTEM_CONFIG_USE_LWIP
	reinterpret_cast<uintptr_t>(intId.GetPlatformInterface()),
	#else
	static_cast<uintptr_t>(intId.GetPlatformInterface()),
	#endif
	intName, intIterator.IsUp() ? "UP" : "DOWN", intIterator.SupportsMulticast() ? "supports" : "no",
	intIterator.HasBroadcastAddress() ? "has" : "no");

	gInet.GetLinkLocalAddr(intId, &addr);
	gInet.MatchLocalIPv6Subnet(addr);
	}
	NL_TEST_ASSERT(inSuite, !intIterator.Next());
	NL_TEST_ASSERT(inSuite, intIterator.GetInterfaceId() == InterfaceId::Null());
	NL_TEST_ASSERT(inSuite, intIterator.GetInterfaceName(intName, sizeof(intName)) == CHIP_ERROR_INCORRECT_STATE);
	NL_TEST_ASSERT(inSuite, !intIterator.SupportsMulticast());
	NL_TEST_ASSERT(inSuite, !intIterator.HasBroadcastAddress());

	printf(" Addresses:\n");
	for (; addrIterator.HasCurrent(); addrIterator.Next())
	{
	addr = addrIterator.GetAddress();
	addrIterator.GetAddressWithPrefix(addrWithPrefix);
	char addrStr[80];
	addrWithPrefix.IPAddr.ToString(addrStr);
	intId = addrIterator.GetInterfaceId();
	NL_TEST_ASSERT(inSuite, intId.IsPresent());
	memset(intName, 42, sizeof(intName));
	err = addrIterator.GetInterfaceName(intName, sizeof(intName));
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	NL_TEST_ASSERT(inSuite, intName[0] != '\0' && memchr(intName, '\0', sizeof(intName)) != nullptr);
	printf(" %s/%d, interface id: 0x%" PRIxPTR
	", interface name: %s, interface state: %s, %s multicast, %s broadcast addr\n",
	addrStr, addrWithPrefix.Length,
	#if CHIP_SYSTEM_CONFIG_USE_LWIP
	reinterpret_cast<uintptr_t>(intId.GetPlatformInterface()),
	#else
	static_cast<uintptr_t>(intId.GetPlatformInterface()),
	#endif
	intName, addrIterator.IsUp() ? "UP" : "DOWN", addrIterator.SupportsMulticast() ? "supports" : "no",
	addrIterator.HasBroadcastAddress() ? "has" : "no");
	}
	NL_TEST_ASSERT(inSuite, !addrIterator.Next());
	addrIterator.GetAddressWithPrefix(addrWithPrefix);
	NL_TEST_ASSERT(inSuite, addrWithPrefix.IsZero());
	NL_TEST_ASSERT(inSuite, addrIterator.GetInterfaceId() == InterfaceId::Null());
	NL_TEST_ASSERT(inSuite, addrIterator.GetInterfaceName(intName, sizeof(intName)) == CHIP_ERROR_INCORRECT_STATE);
	NL_TEST_ASSERT(inSuite, !addrIterator.SupportsMulticast());
	NL_TEST_ASSERT(inSuite, !addrIterator.HasBroadcastAddress());
	}

	static void TestInetEndPointInternal(nlTestSuite * inSuite, void * inContext)
	{
	CHIP_ERROR err;
	IPAddress addr_any = IPAddress::Any;
	IPAddress addr;
	#if INET_CONFIG_ENABLE_IPV4
	IPAddress addr_v4;
	#endif // INET_CONFIG_ENABLE_IPV4
	InterfaceId intId;

	// EndPoint
	UDPEndPoint * testUDPEP = nullptr;
	TCPEndPoint * testTCPEP1 = nullptr;
	PacketBufferHandle buf = PacketBufferHandle::New(PacketBuffer::kMaxSize);

	// init all the EndPoints
	err = gInet.NewUDPEndPoint(&testUDPEP);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

	err = gInet.NewTCPEndPoint(&testTCPEP1);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

	err = gInet.GetLinkLocalAddr(InterfaceId::Null(), &addr);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	err = gInet.GetInterfaceFromAddr(addr, intId);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

	#if INET_CONFIG_ENABLE_IPV4
	NL_TEST_ASSERT(inSuite, IPAddress::FromString("10.0.0.1", addr_v4));
	#endif // INET_CONFIG_ENABLE_IPV4

	// UdpEndPoint special cases to cover the error branch
	err = testUDPEP->Listen(nullptr /OnMessageReceived/, nullptr /OnReceiveError/);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testUDPEP->Bind(IPAddressType::kUnknown, addr_any, 3000);
	NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
	err = testUDPEP->Bind(IPAddressType::kUnknown, addr, 3000);
	NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
	#if INET_CONFIG_ENABLE_IPV4
	err = testUDPEP->Bind(IPAddressType::kIPv4, addr, 3000);
	NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
	#endif // INET_CONFIG_ENABLE_IPV4

	err = testUDPEP->Bind(IPAddressType::kIPv6, addr, 3000, intId);
	err = testUDPEP->BindInterface(IPAddressType::kIPv6, intId);
	InterfaceId id = testUDPEP->GetBoundInterface();
	NL_TEST_ASSERT(inSuite, id == intId);

	err = testUDPEP->Listen(nullptr /OnMessageReceived/, nullptr /OnReceiveError/);
	err = testUDPEP->Listen(nullptr /OnMessageReceived/, nullptr /OnReceiveError/);
	err = testUDPEP->Bind(IPAddressType::kIPv6, addr, 3000, intId);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testUDPEP->BindInterface(IPAddressType::kIPv6, intId);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	testUDPEP->Free();

	err = gInet.NewUDPEndPoint(&testUDPEP);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	#if INET_CONFIG_ENABLE_IPV4
	err = testUDPEP->Bind(IPAddressType::kIPv4, addr_v4, 3000, intId);
	NL_TEST_ASSERT(inSuite, err != CHIP_NO_ERROR);
	buf = PacketBufferHandle::New(PacketBuffer::kMaxSize);
	err = testUDPEP->SendTo(addr_v4, 3000, std::move(buf));
	testUDPEP->Free();
	#endif // INET_CONFIG_ENABLE_IPV4

	// TcpEndPoint special cases to cover the error branch
	err = testTCPEP1->GetPeerInfo(nullptr, nullptr);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	buf = PacketBufferHandle::New(PacketBuffer::kMaxSize);
	err = testTCPEP1->Send(std::move(buf), false);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testTCPEP1->EnableKeepAlive(10, 100);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testTCPEP1->DisableKeepAlive();
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testTCPEP1->AckReceive(10);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	NL_TEST_ASSERT(inSuite, !testTCPEP1->PendingReceiveLength());
	err = testTCPEP1->Listen(4);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testTCPEP1->GetLocalInfo(nullptr, nullptr);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);

	err = testTCPEP1->Bind(IPAddressType::kUnknown, addr_any, 3000, true);
	NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
	#if INET_CONFIG_ENABLE_IPV4
	err = testTCPEP1->Bind(IPAddressType::kIPv4, addr, 3000, true);
	NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);
	#endif // INET_CONFIG_ENABLE_IPV4
	err = testTCPEP1->Bind(IPAddressType::kUnknown, addr, 3000, true);
	NL_TEST_ASSERT(inSuite, err == INET_ERROR_WRONG_ADDRESS_TYPE);

	err = testTCPEP1->Bind(IPAddressType::kIPv6, addr_any, 3000, true);
	err = testTCPEP1->Bind(IPAddressType::kIPv6, addr_any, 3000, true);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	err = testTCPEP1->Listen(4);
	#if INET_CONFIG_ENABLE_IPV4
	err = testTCPEP1->Connect(addr_v4, 4000, intId);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INCORRECT_STATE);
	#endif // INET_CONFIG_ENABLE_IPV4

	testTCPEP1->Free();
	}

	#if !CHIP_SYSTEM_CONFIG_POOL_USE_HEAP
	// Test the InetLayer resource limitation
	static void TestInetEndPointLimit(nlTestSuite * inSuite, void * inContext)
	{
	UDPEndPoint * testUDPEP[INET_CONFIG_NUM_UDP_ENDPOINTS + 1] = { nullptr };
	TCPEndPoint * testTCPEP[INET_CONFIG_NUM_TCP_ENDPOINTS + 1] = { nullptr };

	CHIP_ERROR err = CHIP_NO_ERROR;

	// TODO: err is not validated EXCEPT the last call
	for (int i = 0; i < INET_CONFIG_NUM_UDP_ENDPOINTS + 1; i++)
	err = gInet.NewUDPEndPoint(&testUDPEP[i]);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_ENDPOINT_POOL_FULL);

	// TODO: err is not validated EXCEPT the last call
	for (int i = 0; i < INET_CONFIG_NUM_TCP_ENDPOINTS + 1; i++)
	err = gInet.NewTCPEndPoint(&testTCPEP[i]);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_ENDPOINT_POOL_FULL);

	// Verify same aComplete and aAppState args do not exhaust timer pool
	for (int i = 0; i < CHIP_SYSTEM_CONFIG_NUM_TIMERS + 1; i++)
	{
	err = gSystemLayer.StartTimer(10_ms32, HandleTimer, nullptr);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	}

	#if CHIP_SYSTEM_CONFIG_USE_TIMER_POOL
	char numTimersTest[CHIP_SYSTEM_CONFIG_NUM_TIMERS + 1];
	for (int i = 0; i < CHIP_SYSTEM_CONFIG_NUM_TIMERS + 1; i++)
	err = gSystemLayer.StartTimer(10_ms32, HandleTimer, &numTimersTest[i]);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_NO_MEMORY);
	#endif // CHIP_SYSTEM_CONFIG_USE_TIMER_POOL

	ShutdownNetwork();
	ShutdownSystemLayer();

	// Release UDP endpoints
	for (int i = 0; i < INET_CONFIG_NUM_UDP_ENDPOINTS; i++)
	{
	if (testUDPEP[i] != nullptr)
	{
	testUDPEP[i]->Free();
	}
	}

	// Release TCP endpoints
	for (int i = 0; i < INET_CONFIG_NUM_TCP_ENDPOINTS; i++)
	{
	if (testTCPEP[i] != nullptr)
	{
	testTCPEP[i]->Free();
	}
	}
	}
	#endif

	// Test Suite

	/**
	* Test Suite. It lists all the test functions.
	*/
	static const nlTest sTests[] = { NL_TEST_DEF("InetEndPoint::PreTest", TestInetPre),
	NL_TEST_DEF("InetEndPoint::TestInetError", TestInetError),
	NL_TEST_DEF("InetEndPoint::TestInetInterface", TestInetInterface),
	NL_TEST_DEF("InetEndPoint::TestInetEndPoint", TestInetEndPointInternal),
	#if !CHIP_SYSTEM_CONFIG_POOL_USE_HEAP
	NL_TEST_DEF("InetEndPoint::TestEndPointLimit", TestInetEndPointLimit),
	#endif
	NL_TEST_SENTINEL() };

	#if CHIP_SYSTEM_CONFIG_USE_SOCKETS
	/**
	* Set up the test suite.
	*/
	static int TestSetup(void * inContext)
	{
	CHIP_ERROR error = chip::Platform::MemoryInit();
	if (error != CHIP_NO_ERROR)
	return FAILURE;
	return SUCCESS;
	}

	/**
	* Tear down the test suite.
	*/
	static int TestTeardown(void * inContext)
	{
	ShutdownNetwork();
	ShutdownSystemLayer();
	chip::Platform::MemoryShutdown();
	return SUCCESS;
	}
	#endif // CHIP_SYSTEM_CONFIG_USE_SOCKETS

	int TestInetEndPointInternal()
	{
	#if CHIP_SYSTEM_CONFIG_USE_SOCKETS
	// clang-format off
	nlTestSuite theSuite =
	{
	"inet-endpoint",
	&sTests[0],
	TestSetup,
	TestTeardown
	};
	// clang-format on

	// Run test suite against one context.
	nlTestRunner(&theSuite, nullptr);

	return nlTestRunnerStats(&theSuite);
	#else // !CHIP_SYSTEM_CONFIG_USE_SOCKETS
	return (0);
	#endif // !CHIP_SYSTEM_CONFIG_USE_SOCKETS
	}

	CHIP_REGISTER_TEST_SUITE(TestInetEndPointInternal)

	int TestInetEndPoint()
	{
	SetSIGUSR1Handler();

	// Generate machine-readable, comma-separated value (CSV) output.
	nlTestSetOutputStyle(OUTPUT_CSV);

	return (TestInetEndPointInternal());
	}