src/setup_payload/tests/TestManualCode.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *
  *    Copyright (c) 2020 Project CHIP 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.
  */

 /**
  *    @file
  *      This file implements a unit test suite for the manual setup
  *      code functionality.
  *
  */

 #include <pw_unit_test/framework.h>
 #include <stdio.h>

 #include <lib/core/StringBuilderAdapters.h>
 #include <lib/support/logging/CHIPLogging.h>
 #include <lib/support/verhoeff/Verhoeff.h>
 #include <setup_payload/ManualSetupPayloadGenerator.h>
 #include <setup_payload/ManualSetupPayloadParser.h>
 #include <setup_payload/SetupPayload.h>

 #include <algorithm>
 #include <math.h>
 #include <string>

 using namespace chip;

 namespace {

 bool CheckGenerator(const PayloadContents & payload, std::string expectedResult, bool allowInvalidPayload = false)
 {
     std::string result;
     ManualSetupPayloadGenerator generator(payload);
     generator.SetAllowInvalidPayload(allowInvalidPayload);

     CHIP_ERROR err = generator.payloadDecimalStringRepresentation(result);

     if (err != CHIP_NO_ERROR)
     {
         printf("Failed to generate decimal representation with error: %s\n", ErrorStr(err));
         return false;
     }

     if (!expectedResult.empty())
     {
         expectedResult += Verhoeff10::ComputeCheckChar(expectedResult.c_str());
     }

     bool same = result == expectedResult;
     if (!same)
     {
         printf("Actual result: %s\n", result.c_str());
         printf("Expected result: %s\n", expectedResult.c_str());
     }

     return same;
 }

 PayloadContents GetDefaultPayload()
 {
     PayloadContents payload;
     payload.setUpPINCode = 12345679;
     payload.discriminator.SetLongValue(2560);

     return payload;
 }

 TEST(TestManualCode, TestDecimalRepresentation_PartialPayload)
 {
     PayloadContents payload = GetDefaultPayload();

     std::string expectedResult = "2412950753";

     EXPECT_TRUE(CheckGenerator(payload, expectedResult));
 }

 TEST(TestManualCode, TestDecimalRepresentation_PartialPayload_RequiresCustomFlow)
 {
     PayloadContents payload   = GetDefaultPayload();
     payload.commissioningFlow = CommissioningFlow::kCustom;

     std::string expectedResult = "64129507530000000000";

     EXPECT_TRUE(CheckGenerator(payload, expectedResult));
 }

 TEST(TestManualCode, TestDecimalRepresentation_FullPayloadWithZeros)
 {
     PayloadContents payload   = GetDefaultPayload();
     payload.commissioningFlow = CommissioningFlow::kCustom;
     payload.vendorID          = 1;
     payload.productID         = 1;

     std::string expectedResult = "64129507530000100001";

     EXPECT_TRUE(CheckGenerator(payload, expectedResult));
 }

 TEST(TestManualCode, TestDecimalRepresentation_FullPayloadWithoutZeros_DoesNotRequireCustomFlow)
 {
     PayloadContents payload = GetDefaultPayload();
     payload.vendorID        = 45367;
     payload.productID       = 14526;

     std::string expectedResult = "2412950753";

     EXPECT_TRUE(CheckGenerator(payload, expectedResult));
 }

 TEST(TestManualCode, TestDecimalRepresentation_FullPayloadWithoutZeros)
 {
     PayloadContents payload   = GetDefaultPayload();
     payload.commissioningFlow = CommissioningFlow::kCustom;
     payload.vendorID          = 45367;
     payload.productID         = 14526;

     std::string expectedResult = "64129507534536714526";

     EXPECT_TRUE(CheckGenerator(payload, expectedResult));
 }

 void assertPayloadValues(CHIP_ERROR actualError, CHIP_ERROR expectedError, const PayloadContents & payload, uint32_t pinCode,
                          const SetupDiscriminator & discriminator, uint16_t vendorID, uint16_t productID)
 {
     EXPECT_EQ(actualError, expectedError);
     EXPECT_EQ(payload.setUpPINCode, pinCode);
     EXPECT_EQ(payload.discriminator, discriminator);
     EXPECT_EQ(payload.vendorID, vendorID);
     EXPECT_EQ(payload.productID, productID);
 }

 TEST(TestManualCode, TestGenerateAndParser_ManualSetupCodeWithLongDiscriminator)
 {
     PayloadContents payload = GetDefaultPayload();
     payload.discriminator.SetLongValue(0xa1f);

     {
         // Test short 11 digit code
         ManualSetupPayloadGenerator generator(payload);
         std::string result;
         EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

         SetupPayload outPayload;
         CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
         EXPECT_EQ(err, CHIP_NO_ERROR);

         SetupDiscriminator discriminator;
         discriminator.SetShortValue(0xa);
         assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID,
                             payload.productID);
     }

     payload.vendorID          = 1;
     payload.productID         = 1;
     payload.commissioningFlow = CommissioningFlow::kCustom;
     payload.discriminator.SetLongValue(0xb1f);

     {
         // Test long 21 digit code
         ManualSetupPayloadGenerator generator(payload);
         std::string result;
         EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

         SetupPayload outPayload;
         CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
         EXPECT_EQ(err, CHIP_NO_ERROR);

         SetupDiscriminator discriminator;
         discriminator.SetShortValue(0xb);
         assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID,
                             payload.productID);
     }
 }

 TEST(TestManualCode, TestDecimalRepresentation_AllZeros)
 {
     PayloadContents payload;
     payload.setUpPINCode = 0;
     payload.discriminator.SetLongValue(0);

     std::string expectedResult;

     EXPECT_EQ(CheckGenerator(payload, expectedResult), false);
 }

 TEST(TestManualCode, TestDecimalRepresentation_AllOnes)
 {
     PayloadContents payload;
     payload.setUpPINCode = 0x7FFFFFF;
     payload.discriminator.SetLongValue(0xFFF);
     payload.commissioningFlow = CommissioningFlow::kCustom;
     payload.vendorID          = 65535;
     payload.productID         = 65535;

     std::string expectedResult = "76553581916553565535";

     EXPECT_TRUE(CheckGenerator(payload, expectedResult, /*allowInvalidPayload*/ true));
 }

 char ComputeCheckChar(const std::string & str)
 {
     // Strip out dashes, if any, from the string before computing the checksum.
     std::string copy(str);
     copy.erase(std::remove(copy.begin(), copy.end(), '-'), copy.end());
     return Verhoeff10::ComputeCheckChar(copy.c_str());
 }

 TEST(TestManualCode, TestPayloadParser_FullPayload)
 {
     SetupPayload payload;
     std::string decimalString;

     decimalString = "63610875354536714526";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     CHIP_ERROR err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     SetupDiscriminator discriminator;
     discriminator.SetShortValue(0xa);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 45367, 14526);

     // The same thing, but with dashes separating digit groups.
     decimalString = "6361-0875-3545-3671-4526";
     decimalString += ComputeCheckChar(decimalString);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     discriminator.SetShortValue(0xa);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 45367, 14526);

     decimalString = "52927623630456200032";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     discriminator.SetShortValue(0x5);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 38728284, discriminator, 4562, 32);

     decimalString = "40000100000000100001";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     discriminator.SetShortValue(0);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 1, discriminator, 1, 1);
 }

 TEST(TestManualCode, TestGenerateAndParser_FullPayload)
 {
     PayloadContents payload   = GetDefaultPayload();
     payload.vendorID          = 1;
     payload.productID         = 1;
     payload.commissioningFlow = CommissioningFlow::kCustom;

     ManualSetupPayloadGenerator generator(payload);
     std::string result;
     EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

     SetupPayload outPayload;
     CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     SetupDiscriminator discriminator;
     discriminator.SetShortValue(payload.discriminator.GetShortValue());
     assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID, payload.productID);
 }

 TEST(TestManualCode, TestGenerateAndParser_PartialPayload)
 {
     PayloadContents payload = GetDefaultPayload();

     ManualSetupPayloadGenerator generator(payload);
     std::string result;
     EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

     SetupPayload outPayload;
     CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     SetupDiscriminator discriminator;
     discriminator.SetShortValue(payload.discriminator.GetShortValue());
     assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID, payload.productID);
 }

 TEST(TestManualCode, TestPayloadParser_PartialPayload)
 {
     CHIP_ERROR err;
     SetupPayload payload;
     std::string decimalString;

     decimalString = "2361087535";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     EXPECT_EQ(decimalString.length(), 11u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     SetupDiscriminator discriminator;
     discriminator.SetShortValue(0xa);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 0, 0);

     // The same thing, but with dashes separating digit groups.
     decimalString = "236-108753-5";
     decimalString += ComputeCheckChar(decimalString);
     EXPECT_EQ(decimalString.length(), 13u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     discriminator.SetShortValue(0xa);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 0, 0);

     decimalString = "0000010000";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     EXPECT_EQ(decimalString.length(), 11u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     discriminator.SetShortValue(0);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 1, discriminator, 0, 0);

     decimalString = "63610875350000000000";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     EXPECT_EQ(decimalString.length(), 21u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     discriminator.SetShortValue(0xa);
     assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 0, 0);

     // no discriminator (= 0)
     decimalString = "0033407535";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     EXPECT_EQ(decimalString.length(), 11u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     // no vid (= 0)
     decimalString = "63610875350000014526";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     EXPECT_EQ(decimalString.length(), 21u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);

     // no pid (= 0)
     decimalString = "63610875354536700000";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     EXPECT_EQ(decimalString.length(), 21u);
     err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
     EXPECT_EQ(err, CHIP_NO_ERROR);
 }

 TEST(TestManualCode, TestShortCodeReadWrite)
 {
     PayloadContents inPayload = GetDefaultPayload();

     SetupPayload outPayload;

     std::string result;
     ManualSetupPayloadGenerator generator(inPayload);
     generator.payloadDecimalStringRepresentation(result);
     ManualSetupPayloadParser(result).populatePayload(outPayload);

     // Override the discriminator in the input payload with the short version,
     // since that's what we will produce.
     inPayload.discriminator.SetShortValue(inPayload.discriminator.GetShortValue());
     EXPECT_TRUE(inPayload == outPayload);
 }

 TEST(TestManualCode, TestLongCodeReadWrite)
 {
     PayloadContents inPayload   = GetDefaultPayload();
     inPayload.commissioningFlow = CommissioningFlow::kCustom;
     inPayload.vendorID          = 1;
     inPayload.productID         = 1;

     SetupPayload outPayload;

     std::string result;
     ManualSetupPayloadGenerator generator(inPayload);
     generator.payloadDecimalStringRepresentation(result);
     ManualSetupPayloadParser(result).populatePayload(outPayload);

     // Override the discriminator in the input payload with the short version,
     // since that's what we will produce.
     inPayload.discriminator.SetShortValue(inPayload.discriminator.GetShortValue());
     EXPECT_TRUE(inPayload == outPayload);
 }

 void assertEmptyPayloadWithError(CHIP_ERROR actualError, CHIP_ERROR expectedError, const SetupPayload & payload, int line)
 {
     ChipLogProgress(Test, "Current check line: %d", line);
     EXPECT_EQ(actualError, expectedError);
     EXPECT_EQ(payload.setUpPINCode, 0u);
     EXPECT_EQ(payload.discriminator.GetLongValue(), 0u);
     EXPECT_EQ(payload.productID, 0u);
     EXPECT_EQ(payload.vendorID, 0u);
 }

 TEST(TestManualCode, TestPayloadParser_InvalidEntry)
 {
     SetupPayload payload;
     std::string decimalString;

     // Empty input
     decimalString = "";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
                                 payload, __LINE__);

     // Invalid character
     decimalString = "24184.2196";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_INTEGER_VALUE,
                                 payload, __LINE__);

     // too short
     decimalString = "2456";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
                                 payload, __LINE__);

     // too long for long code
     decimalString = "123456789123456785671";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
                                 payload, __LINE__);

     // too long for short code
     decimalString = "12749875380";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
                                 payload, __LINE__);

     // bit to indicate short code but long code length
     decimalString = "23456789123456785610";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
                                 payload, __LINE__);
     // no pin code (= 0)
     decimalString = "2327680000";
     decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_ARGUMENT,
                                 payload, __LINE__);
     // wrong check digit
     decimalString = "02684354589";
     assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INTEGRITY_CHECK_FAILED,
                                 payload, __LINE__);
 }

 TEST(TestManualCode, TestCheckDecimalStringValidity)
 {
     std::string outReprensation;
     char checkDigit;
     std::string representationWithoutCheckDigit;
     std::string decimalString;

     representationWithoutCheckDigit = "";
     EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(representationWithoutCheckDigit, outReprensation),
               CHIP_ERROR_INVALID_STRING_LENGTH);

     representationWithoutCheckDigit = "1";
     EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(representationWithoutCheckDigit, outReprensation),
               CHIP_ERROR_INVALID_STRING_LENGTH);

     representationWithoutCheckDigit = "10109";
     checkDigit                      = Verhoeff10::ComputeCheckChar(representationWithoutCheckDigit.c_str());
     decimalString                   = representationWithoutCheckDigit + checkDigit;
     EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(decimalString, outReprensation), CHIP_NO_ERROR);
     EXPECT_EQ(outReprensation, representationWithoutCheckDigit);

     representationWithoutCheckDigit = "0000";
     checkDigit                      = Verhoeff10::ComputeCheckChar(representationWithoutCheckDigit.c_str());
     decimalString                   = representationWithoutCheckDigit + checkDigit;
     EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(decimalString, outReprensation), CHIP_NO_ERROR);
     EXPECT_EQ(outReprensation, representationWithoutCheckDigit);
 }

 TEST(TestManualCode, TestCheckCodeLengthValidity)
 {
     EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("01234567890123456789", true), CHIP_NO_ERROR);
     EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("0123456789", false), CHIP_NO_ERROR);

     EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("01234567891", false), CHIP_ERROR_INVALID_STRING_LENGTH);
     EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("012345678", false), CHIP_ERROR_INVALID_STRING_LENGTH);
     EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("012345678901234567891", true), CHIP_ERROR_INVALID_STRING_LENGTH);
     EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("0123456789012345678", true), CHIP_ERROR_INVALID_STRING_LENGTH);
 }

 TEST(TestManualCode, TestDecimalStringToNumber)
 {
     uint32_t number;
     EXPECT_EQ(ManualSetupPayloadParser::ToNumber("12345", number), CHIP_NO_ERROR);
     EXPECT_EQ(number, 12345u);

     EXPECT_EQ(ManualSetupPayloadParser::ToNumber("01234567890", number), CHIP_NO_ERROR);
     EXPECT_EQ(number, 1234567890u);

     EXPECT_EQ(ManualSetupPayloadParser::ToNumber("00000001", number), CHIP_NO_ERROR);
     EXPECT_TRUE(number);

     EXPECT_EQ(ManualSetupPayloadParser::ToNumber("0", number), CHIP_NO_ERROR);
     EXPECT_FALSE(number);

     EXPECT_EQ(ManualSetupPayloadParser::ToNumber("012345.123456789", number), CHIP_ERROR_INVALID_INTEGER_VALUE);
     EXPECT_EQ(ManualSetupPayloadParser::ToNumber("/", number), CHIP_ERROR_INVALID_INTEGER_VALUE);
 }

 TEST(TestManualCode, TestReadCharsFromDecimalString)
 {
     uint32_t number;
     size_t index = 3;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("12345", index, number, 2), CHIP_NO_ERROR);
     EXPECT_EQ(number, 45u);

     index = 2;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("6256276377282", index, number, 7), CHIP_NO_ERROR);
     EXPECT_EQ(number, 5627637u);

     index = 0;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("10", index, number, 2), CHIP_NO_ERROR);
     EXPECT_EQ(number, 10u);

     index = 0;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("01", index, number, 2), CHIP_NO_ERROR);
     EXPECT_TRUE(number);

     index = 1;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("11", index, number, 1), CHIP_NO_ERROR);
     EXPECT_TRUE(number);

     index = 2;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("100001", index, number, 3), CHIP_NO_ERROR);

     index = 1;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("12345", index, number, 5), CHIP_ERROR_INVALID_STRING_LENGTH);
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("12", index, number, 5), CHIP_ERROR_INVALID_STRING_LENGTH);

     index = 200;
     EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("6256276377282", index, number, 1),
               CHIP_ERROR_INVALID_STRING_LENGTH);
 }

 TEST(TestManualCode, TestShortCodeCharLengths)
 {
     size_t numBits                        = 1 + kSetupPINCodeFieldLengthInBits + kManualSetupDiscriminatorFieldLengthInBits;
     size_t manualSetupShortCodeCharLength = static_cast<size_t>(ceil(log10(pow(2, numBits))));
     EXPECT_EQ(manualSetupShortCodeCharLength, size_t(kManualSetupShortCodeCharLength));

     size_t manualSetupVendorIdCharLength = static_cast<size_t>(ceil(log10(pow(2, kVendorIDFieldLengthInBits))));
     EXPECT_EQ(manualSetupVendorIdCharLength, size_t(kManualSetupVendorIdCharLength));

     size_t manualSetupProductIdCharLength = static_cast<size_t>(ceil(log10(pow(2, kProductIDFieldLengthInBits))));
     EXPECT_EQ(manualSetupProductIdCharLength, size_t(kManualSetupProductIdCharLength));

     size_t manualSetupLongCodeCharLength =
         kManualSetupShortCodeCharLength + kManualSetupVendorIdCharLength + kManualSetupProductIdCharLength;
     EXPECT_EQ(manualSetupLongCodeCharLength, size_t(kManualSetupLongCodeCharLength));
 }

 } // namespace
	/*
	*
	* Copyright (c) 2020 Project CHIP 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.
	*/

	/**
	* @file
	* This file implements a unit test suite for the manual setup
	* code functionality.
	*
	*/

	#include <pw_unit_test/framework.h>
	#include <stdio.h>

	#include <lib/core/StringBuilderAdapters.h>
	#include <lib/support/logging/CHIPLogging.h>
	#include <lib/support/verhoeff/Verhoeff.h>
	#include <setup_payload/ManualSetupPayloadGenerator.h>
	#include <setup_payload/ManualSetupPayloadParser.h>
	#include <setup_payload/SetupPayload.h>

	#include <algorithm>
	#include <math.h>
	#include <string>

	using namespace chip;

	namespace {

	bool CheckGenerator(const PayloadContents & payload, std::string expectedResult, bool allowInvalidPayload = false)
	{
	std::string result;
	ManualSetupPayloadGenerator generator(payload);
	generator.SetAllowInvalidPayload(allowInvalidPayload);

	CHIP_ERROR err = generator.payloadDecimalStringRepresentation(result);

	if (err != CHIP_NO_ERROR)
	{
	printf("Failed to generate decimal representation with error: %s\n", ErrorStr(err));
	return false;
	}

	if (!expectedResult.empty())
	{
	expectedResult += Verhoeff10::ComputeCheckChar(expectedResult.c_str());
	}

	bool same = result == expectedResult;
	if (!same)
	{
	printf("Actual result: %s\n", result.c_str());
	printf("Expected result: %s\n", expectedResult.c_str());
	}

	return same;
	}

	PayloadContents GetDefaultPayload()
	{
	PayloadContents payload;
	payload.setUpPINCode = 12345679;
	payload.discriminator.SetLongValue(2560);

	return payload;
	}

	TEST(TestManualCode, TestDecimalRepresentation_PartialPayload)
	{
	PayloadContents payload = GetDefaultPayload();

	std::string expectedResult = "2412950753";

	EXPECT_TRUE(CheckGenerator(payload, expectedResult));
	}

	TEST(TestManualCode, TestDecimalRepresentation_PartialPayload_RequiresCustomFlow)
	{
	PayloadContents payload = GetDefaultPayload();
	payload.commissioningFlow = CommissioningFlow::kCustom;

	std::string expectedResult = "64129507530000000000";

	EXPECT_TRUE(CheckGenerator(payload, expectedResult));
	}

	TEST(TestManualCode, TestDecimalRepresentation_FullPayloadWithZeros)
	{
	PayloadContents payload = GetDefaultPayload();
	payload.commissioningFlow = CommissioningFlow::kCustom;
	payload.vendorID = 1;
	payload.productID = 1;

	std::string expectedResult = "64129507530000100001";

	EXPECT_TRUE(CheckGenerator(payload, expectedResult));
	}

	TEST(TestManualCode, TestDecimalRepresentation_FullPayloadWithoutZeros_DoesNotRequireCustomFlow)
	{
	PayloadContents payload = GetDefaultPayload();
	payload.vendorID = 45367;
	payload.productID = 14526;

	std::string expectedResult = "2412950753";

	EXPECT_TRUE(CheckGenerator(payload, expectedResult));
	}

	TEST(TestManualCode, TestDecimalRepresentation_FullPayloadWithoutZeros)
	{
	PayloadContents payload = GetDefaultPayload();
	payload.commissioningFlow = CommissioningFlow::kCustom;
	payload.vendorID = 45367;
	payload.productID = 14526;

	std::string expectedResult = "64129507534536714526";

	EXPECT_TRUE(CheckGenerator(payload, expectedResult));
	}

	void assertPayloadValues(CHIP_ERROR actualError, CHIP_ERROR expectedError, const PayloadContents & payload, uint32_t pinCode,
	const SetupDiscriminator & discriminator, uint16_t vendorID, uint16_t productID)
	{
	EXPECT_EQ(actualError, expectedError);
	EXPECT_EQ(payload.setUpPINCode, pinCode);
	EXPECT_EQ(payload.discriminator, discriminator);
	EXPECT_EQ(payload.vendorID, vendorID);
	EXPECT_EQ(payload.productID, productID);
	}

	TEST(TestManualCode, TestGenerateAndParser_ManualSetupCodeWithLongDiscriminator)
	{
	PayloadContents payload = GetDefaultPayload();
	payload.discriminator.SetLongValue(0xa1f);

	{
	// Test short 11 digit code
	ManualSetupPayloadGenerator generator(payload);
	std::string result;
	EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

	SetupPayload outPayload;
	CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	SetupDiscriminator discriminator;
	discriminator.SetShortValue(0xa);
	assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID,
	payload.productID);
	}

	payload.vendorID = 1;
	payload.productID = 1;
	payload.commissioningFlow = CommissioningFlow::kCustom;
	payload.discriminator.SetLongValue(0xb1f);

	{
	// Test long 21 digit code
	ManualSetupPayloadGenerator generator(payload);
	std::string result;
	EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

	SetupPayload outPayload;
	CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	SetupDiscriminator discriminator;
	discriminator.SetShortValue(0xb);
	assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID,
	payload.productID);
	}
	}

	TEST(TestManualCode, TestDecimalRepresentation_AllZeros)
	{
	PayloadContents payload;
	payload.setUpPINCode = 0;
	payload.discriminator.SetLongValue(0);

	std::string expectedResult;

	EXPECT_EQ(CheckGenerator(payload, expectedResult), false);
	}

	TEST(TestManualCode, TestDecimalRepresentation_AllOnes)
	{
	PayloadContents payload;
	payload.setUpPINCode = 0x7FFFFFF;
	payload.discriminator.SetLongValue(0xFFF);
	payload.commissioningFlow = CommissioningFlow::kCustom;
	payload.vendorID = 65535;
	payload.productID = 65535;

	std::string expectedResult = "76553581916553565535";

	EXPECT_TRUE(CheckGenerator(payload, expectedResult, /allowInvalidPayload/ true));
	}

	char ComputeCheckChar(const std::string & str)
	{
	// Strip out dashes, if any, from the string before computing the checksum.
	std::string copy(str);
	copy.erase(std::remove(copy.begin(), copy.end(), '-'), copy.end());
	return Verhoeff10::ComputeCheckChar(copy.c_str());
	}

	TEST(TestManualCode, TestPayloadParser_FullPayload)
	{
	SetupPayload payload;
	std::string decimalString;

	decimalString = "63610875354536714526";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	CHIP_ERROR err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	SetupDiscriminator discriminator;
	discriminator.SetShortValue(0xa);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 45367, 14526);

	// The same thing, but with dashes separating digit groups.
	decimalString = "6361-0875-3545-3671-4526";
	decimalString += ComputeCheckChar(decimalString);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	discriminator.SetShortValue(0xa);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 45367, 14526);

	decimalString = "52927623630456200032";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	discriminator.SetShortValue(0x5);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 38728284, discriminator, 4562, 32);

	decimalString = "40000100000000100001";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	discriminator.SetShortValue(0);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 1, discriminator, 1, 1);
	}

	TEST(TestManualCode, TestGenerateAndParser_FullPayload)
	{
	PayloadContents payload = GetDefaultPayload();
	payload.vendorID = 1;
	payload.productID = 1;
	payload.commissioningFlow = CommissioningFlow::kCustom;

	ManualSetupPayloadGenerator generator(payload);
	std::string result;
	EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

	SetupPayload outPayload;
	CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	SetupDiscriminator discriminator;
	discriminator.SetShortValue(payload.discriminator.GetShortValue());
	assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID, payload.productID);
	}

	TEST(TestManualCode, TestGenerateAndParser_PartialPayload)
	{
	PayloadContents payload = GetDefaultPayload();

	ManualSetupPayloadGenerator generator(payload);
	std::string result;
	EXPECT_EQ(generator.payloadDecimalStringRepresentation(result), CHIP_NO_ERROR);

	SetupPayload outPayload;
	CHIP_ERROR err = ManualSetupPayloadParser(result).populatePayload(outPayload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	SetupDiscriminator discriminator;
	discriminator.SetShortValue(payload.discriminator.GetShortValue());
	assertPayloadValues(err, CHIP_NO_ERROR, outPayload, payload.setUpPINCode, discriminator, payload.vendorID, payload.productID);
	}

	TEST(TestManualCode, TestPayloadParser_PartialPayload)
	{
	CHIP_ERROR err;
	SetupPayload payload;
	std::string decimalString;

	decimalString = "2361087535";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	EXPECT_EQ(decimalString.length(), 11u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	SetupDiscriminator discriminator;
	discriminator.SetShortValue(0xa);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 0, 0);

	// The same thing, but with dashes separating digit groups.
	decimalString = "236-108753-5";
	decimalString += ComputeCheckChar(decimalString);
	EXPECT_EQ(decimalString.length(), 13u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	discriminator.SetShortValue(0xa);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 0, 0);

	decimalString = "0000010000";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	EXPECT_EQ(decimalString.length(), 11u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	discriminator.SetShortValue(0);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 1, discriminator, 0, 0);

	decimalString = "63610875350000000000";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	EXPECT_EQ(decimalString.length(), 21u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	discriminator.SetShortValue(0xa);
	assertPayloadValues(err, CHIP_NO_ERROR, payload, 123456780, discriminator, 0, 0);

	// no discriminator (= 0)
	decimalString = "0033407535";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	EXPECT_EQ(decimalString.length(), 11u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	// no vid (= 0)
	decimalString = "63610875350000014526";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	EXPECT_EQ(decimalString.length(), 21u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);

	// no pid (= 0)
	decimalString = "63610875354536700000";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	EXPECT_EQ(decimalString.length(), 21u);
	err = ManualSetupPayloadParser(decimalString).populatePayload(payload);
	EXPECT_EQ(err, CHIP_NO_ERROR);
	}

	TEST(TestManualCode, TestShortCodeReadWrite)
	{
	PayloadContents inPayload = GetDefaultPayload();

	SetupPayload outPayload;

	std::string result;
	ManualSetupPayloadGenerator generator(inPayload);
	generator.payloadDecimalStringRepresentation(result);
	ManualSetupPayloadParser(result).populatePayload(outPayload);

	// Override the discriminator in the input payload with the short version,
	// since that's what we will produce.
	inPayload.discriminator.SetShortValue(inPayload.discriminator.GetShortValue());
	EXPECT_TRUE(inPayload == outPayload);
	}

	TEST(TestManualCode, TestLongCodeReadWrite)
	{
	PayloadContents inPayload = GetDefaultPayload();
	inPayload.commissioningFlow = CommissioningFlow::kCustom;
	inPayload.vendorID = 1;
	inPayload.productID = 1;

	SetupPayload outPayload;

	std::string result;
	ManualSetupPayloadGenerator generator(inPayload);
	generator.payloadDecimalStringRepresentation(result);
	ManualSetupPayloadParser(result).populatePayload(outPayload);

	// Override the discriminator in the input payload with the short version,
	// since that's what we will produce.
	inPayload.discriminator.SetShortValue(inPayload.discriminator.GetShortValue());
	EXPECT_TRUE(inPayload == outPayload);
	}

	void assertEmptyPayloadWithError(CHIP_ERROR actualError, CHIP_ERROR expectedError, const SetupPayload & payload, int line)
	{
	ChipLogProgress(Test, "Current check line: %d", line);
	EXPECT_EQ(actualError, expectedError);
	EXPECT_EQ(payload.setUpPINCode, 0u);
	EXPECT_EQ(payload.discriminator.GetLongValue(), 0u);
	EXPECT_EQ(payload.productID, 0u);
	EXPECT_EQ(payload.vendorID, 0u);
	}

	TEST(TestManualCode, TestPayloadParser_InvalidEntry)
	{
	SetupPayload payload;
	std::string decimalString;

	// Empty input
	decimalString = "";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
	payload, __LINE__);

	// Invalid character
	decimalString = "24184.2196";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_INTEGER_VALUE,
	payload, __LINE__);

	// too short
	decimalString = "2456";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
	payload, __LINE__);

	// too long for long code
	decimalString = "123456789123456785671";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
	payload, __LINE__);

	// too long for short code
	decimalString = "12749875380";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
	payload, __LINE__);

	// bit to indicate short code but long code length
	decimalString = "23456789123456785610";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_STRING_LENGTH,
	payload, __LINE__);
	// no pin code (= 0)
	decimalString = "2327680000";
	decimalString += Verhoeff10::ComputeCheckChar(decimalString.c_str());
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INVALID_ARGUMENT,
	payload, __LINE__);
	// wrong check digit
	decimalString = "02684354589";
	assertEmptyPayloadWithError(ManualSetupPayloadParser(decimalString).populatePayload(payload), CHIP_ERROR_INTEGRITY_CHECK_FAILED,
	payload, __LINE__);
	}

	TEST(TestManualCode, TestCheckDecimalStringValidity)
	{
	std::string outReprensation;
	char checkDigit;
	std::string representationWithoutCheckDigit;
	std::string decimalString;

	representationWithoutCheckDigit = "";
	EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(representationWithoutCheckDigit, outReprensation),
	CHIP_ERROR_INVALID_STRING_LENGTH);

	representationWithoutCheckDigit = "1";
	EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(representationWithoutCheckDigit, outReprensation),
	CHIP_ERROR_INVALID_STRING_LENGTH);

	representationWithoutCheckDigit = "10109";
	checkDigit = Verhoeff10::ComputeCheckChar(representationWithoutCheckDigit.c_str());
	decimalString = representationWithoutCheckDigit + checkDigit;
	EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(decimalString, outReprensation), CHIP_NO_ERROR);
	EXPECT_EQ(outReprensation, representationWithoutCheckDigit);

	representationWithoutCheckDigit = "0000";
	checkDigit = Verhoeff10::ComputeCheckChar(representationWithoutCheckDigit.c_str());
	decimalString = representationWithoutCheckDigit + checkDigit;
	EXPECT_EQ(ManualSetupPayloadParser::CheckDecimalStringValidity(decimalString, outReprensation), CHIP_NO_ERROR);
	EXPECT_EQ(outReprensation, representationWithoutCheckDigit);
	}

	TEST(TestManualCode, TestCheckCodeLengthValidity)
	{
	EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("01234567890123456789", true), CHIP_NO_ERROR);
	EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("0123456789", false), CHIP_NO_ERROR);

	EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("01234567891", false), CHIP_ERROR_INVALID_STRING_LENGTH);
	EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("012345678", false), CHIP_ERROR_INVALID_STRING_LENGTH);
	EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("012345678901234567891", true), CHIP_ERROR_INVALID_STRING_LENGTH);
	EXPECT_EQ(ManualSetupPayloadParser::CheckCodeLengthValidity("0123456789012345678", true), CHIP_ERROR_INVALID_STRING_LENGTH);
	}

	TEST(TestManualCode, TestDecimalStringToNumber)
	{
	uint32_t number;
	EXPECT_EQ(ManualSetupPayloadParser::ToNumber("12345", number), CHIP_NO_ERROR);
	EXPECT_EQ(number, 12345u);

	EXPECT_EQ(ManualSetupPayloadParser::ToNumber("01234567890", number), CHIP_NO_ERROR);
	EXPECT_EQ(number, 1234567890u);

	EXPECT_EQ(ManualSetupPayloadParser::ToNumber("00000001", number), CHIP_NO_ERROR);
	EXPECT_TRUE(number);

	EXPECT_EQ(ManualSetupPayloadParser::ToNumber("0", number), CHIP_NO_ERROR);
	EXPECT_FALSE(number);

	EXPECT_EQ(ManualSetupPayloadParser::ToNumber("012345.123456789", number), CHIP_ERROR_INVALID_INTEGER_VALUE);
	EXPECT_EQ(ManualSetupPayloadParser::ToNumber("/", number), CHIP_ERROR_INVALID_INTEGER_VALUE);
	}

	TEST(TestManualCode, TestReadCharsFromDecimalString)
	{
	uint32_t number;
	size_t index = 3;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("12345", index, number, 2), CHIP_NO_ERROR);
	EXPECT_EQ(number, 45u);

	index = 2;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("6256276377282", index, number, 7), CHIP_NO_ERROR);
	EXPECT_EQ(number, 5627637u);

	index = 0;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("10", index, number, 2), CHIP_NO_ERROR);
	EXPECT_EQ(number, 10u);

	index = 0;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("01", index, number, 2), CHIP_NO_ERROR);
	EXPECT_TRUE(number);

	index = 1;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("11", index, number, 1), CHIP_NO_ERROR);
	EXPECT_TRUE(number);

	index = 2;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("100001", index, number, 3), CHIP_NO_ERROR);

	index = 1;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("12345", index, number, 5), CHIP_ERROR_INVALID_STRING_LENGTH);
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("12", index, number, 5), CHIP_ERROR_INVALID_STRING_LENGTH);

	index = 200;
	EXPECT_EQ(ManualSetupPayloadParser::ReadDigitsFromDecimalString("6256276377282", index, number, 1),
	CHIP_ERROR_INVALID_STRING_LENGTH);
	}

	TEST(TestManualCode, TestShortCodeCharLengths)
	{
	size_t numBits = 1 + kSetupPINCodeFieldLengthInBits + kManualSetupDiscriminatorFieldLengthInBits;
	size_t manualSetupShortCodeCharLength = static_cast<size_t>(ceil(log10(pow(2, numBits))));
	EXPECT_EQ(manualSetupShortCodeCharLength, size_t(kManualSetupShortCodeCharLength));

	size_t manualSetupVendorIdCharLength = static_cast<size_t>(ceil(log10(pow(2, kVendorIDFieldLengthInBits))));
	EXPECT_EQ(manualSetupVendorIdCharLength, size_t(kManualSetupVendorIdCharLength));

	size_t manualSetupProductIdCharLength = static_cast<size_t>(ceil(log10(pow(2, kProductIDFieldLengthInBits))));
	EXPECT_EQ(manualSetupProductIdCharLength, size_t(kManualSetupProductIdCharLength));

	size_t manualSetupLongCodeCharLength =
	kManualSetupShortCodeCharLength + kManualSetupVendorIdCharLength + kManualSetupProductIdCharLength;
	EXPECT_EQ(manualSetupLongCodeCharLength, size_t(kManualSetupLongCodeCharLength));
	}

	} // namespace