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diff --git a/src/lib/dhcp/tests/option_unittest.cc b/src/lib/dhcp/tests/option_unittest.cc
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+// Copyright (C) 2011-2023 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <dhcp/dhcp6.h>
+#include <dhcp/libdhcp++.h>
+#include <dhcp/option.h>
+#include <dhcp/option_int.h>
+#include <dhcp/option_space.h>
+#include <exceptions/exceptions.h>
+#include <util/buffer.h>
+#include <testutils/gtest_utils.h>
+
+#include <boost/shared_ptr.hpp>
+#include <boost/scoped_ptr.hpp>
+#include <gtest/gtest.h>
+
+#include <iostream>
+#include <sstream>
+
+#include <arpa/inet.h>
+
+using namespace std;
+using namespace isc;
+using namespace isc::dhcp;
+using namespace isc::util;
+using boost::scoped_ptr;
+
+namespace {
+
+/// @brief A class which derives from option and exposes protected members.
+class NakedOption : public Option {
+public:
+ /// @brief Constructor
+ ///
+ /// Sets the universe and option type to arbitrary test values.
+ NakedOption() : Option(Option::V6, 258) {
+ }
+
+ using Option::unpackOptions;
+ using Option::cloneInternal;
+};
+
+class OptionTest : public ::testing::Test {
+public:
+ OptionTest(): buf_(255), outBuf_(255) {
+ for (unsigned i = 0; i < 255; i++) {
+ buf_[i] = 255 - i;
+ }
+ }
+ OptionBuffer buf_;
+ OutputBuffer outBuf_;
+};
+
+// Basic tests for V4 functionality
+TEST_F(OptionTest, v4_basic) {
+
+ scoped_ptr<Option> opt;
+ EXPECT_NO_THROW(opt.reset(new Option(Option::V4, 17)));
+
+ EXPECT_EQ(Option::V4, opt->getUniverse());
+ EXPECT_EQ(17, opt->getType());
+ EXPECT_EQ(0, opt->getData().size());
+ EXPECT_EQ(2, opt->len()); // just v4 header
+
+ EXPECT_NO_THROW(opt.reset());
+
+ // V4 options have type 0...255
+ EXPECT_THROW(opt.reset(new Option(Option::V4, 256)), OutOfRange);
+
+ // 0 / PAD and 255 / END are no longer forbidden
+ EXPECT_NO_THROW(opt.reset(new Option(Option::V4, 0)));
+ EXPECT_NO_THROW(opt.reset(new Option(Option::V4, 255)));
+}
+
+const uint8_t dummyPayload[] =
+{ 1, 2, 3, 4};
+
+TEST_F(OptionTest, v4_data1) {
+
+ vector<uint8_t> data(dummyPayload, dummyPayload + sizeof(dummyPayload));
+
+ scoped_ptr<Option> opt;
+
+ // Create DHCPv4 option of type 123 that contains 4 bytes of data.
+ ASSERT_NO_THROW(opt.reset(new Option(Option::V4, 123, data)));
+
+ // Check that content is reported properly
+ EXPECT_EQ(123, opt->getType());
+ vector<uint8_t> optData = opt->getData();
+ ASSERT_EQ(optData.size(), data.size());
+ EXPECT_TRUE(optData == data);
+ EXPECT_EQ(2, opt->getHeaderLen());
+ EXPECT_EQ(6, opt->len());
+
+ // Now store that option into a buffer
+ OutputBuffer buf(100);
+ EXPECT_NO_THROW(opt->pack(buf));
+
+ // Check content of that buffer:
+ // 2 byte header + 4 bytes data
+ ASSERT_EQ(6, buf.getLength());
+
+ // That's how this option is supposed to look like
+ uint8_t exp[] = { 123, 4, 1, 2, 3, 4 };
+
+ /// TODO: use vector<uint8_t> getData() when it will be implemented
+ EXPECT_EQ(0, memcmp(exp, buf.getData(), 6));
+
+ // Check that we can destroy that option
+ EXPECT_NO_THROW(opt.reset());
+}
+
+// This is almost the same test as v4_data1, but it uses a different
+// constructor
+TEST_F(OptionTest, v4_data2) {
+
+ vector<uint8_t> data(dummyPayload, dummyPayload + sizeof(dummyPayload));
+
+ vector<uint8_t> expData = data;
+
+ // Add fake data in front and end. Main purpose of this test is to check
+ // that only subset of the whole vector can be used for creating option.
+ data.insert(data.begin(), 56);
+ data.push_back(67);
+
+ // Data contains extra garbage at beginning and at the end. It should be
+ // ignored, as we pass iterators to proper data. Only subset (limited by
+ // iterators) of the vector should be used.
+ // expData contains expected content (just valid data, without garbage).
+ scoped_ptr<Option> opt;
+
+ // Create DHCPv4 option of type 123 that contains
+ // 4 bytes (sizeof(dummyPayload).
+ ASSERT_NO_THROW(
+ opt.reset(new Option(Option::V4, 123, data.begin() + 1,
+ data.end() - 1));
+ );
+
+ // Check that content is reported properly
+ EXPECT_EQ(123, opt->getType());
+ vector<uint8_t> optData = opt->getData();
+ ASSERT_EQ(optData.size(), expData.size());
+ EXPECT_TRUE(optData == expData);
+ EXPECT_EQ(2, opt->getHeaderLen());
+ EXPECT_EQ(6, opt->len());
+
+ // Now store that option into a buffer
+ OutputBuffer buf(100);
+ EXPECT_NO_THROW(opt->pack(buf));
+
+ // Check content of that buffer
+
+ // 2 byte header + 4 bytes data
+ ASSERT_EQ(6, buf.getLength());
+
+ // That's how this option is supposed to look like
+ uint8_t exp[] = { 123, 4, 1, 2, 3, 4 };
+
+ /// TODO: use vector<uint8_t> getData() when it will be implemented
+ EXPECT_EQ(0, memcmp(exp, buf.getData(), 6));
+
+ // Check that we can destroy that option
+ EXPECT_NO_THROW(opt.reset());
+}
+
+TEST_F(OptionTest, v4_toText) {
+
+ vector<uint8_t> buf(3);
+ buf[0] = 0;
+ buf[1] = 0xf;
+ buf[2] = 0xff;
+
+ Option opt(Option::V4, 253, buf);
+
+ EXPECT_EQ("type=253, len=003: 00:0f:ff", opt.toText());
+}
+
+// Test converting option to the hexadecimal representation.
+TEST_F(OptionTest, v4_toHexString) {
+ std::vector<uint8_t> payload;
+ for (unsigned int i = 0; i < 16; ++i) {
+ payload.push_back(static_cast<uint8_t>(i));
+ }
+ Option opt(Option::V4, 122, payload);
+ EXPECT_EQ("0x000102030405060708090A0B0C0D0E0F", opt.toHexString());
+ EXPECT_EQ("0x7A10000102030405060708090A0B0C0D0E0F",
+ opt.toHexString(true));
+
+ // Test empty option.
+ Option opt_empty(Option::V4, 65, std::vector<uint8_t>());
+ EXPECT_TRUE(opt_empty.toHexString().empty());
+ EXPECT_EQ("0x4100", opt_empty.toHexString(true));
+
+ // Test too long option. We can't simply create such option by
+ // providing a long payload, because class constructor would not
+ // accept it. Instead we'll add two long sub options after we
+ // create an option instance.
+ Option opt_too_long(Option::V4, 33);
+ // Both suboptions have payloads of 150 bytes.
+ std::vector<uint8_t> long_payload(150, 1);
+ OptionPtr sub1(new Option(Option::V4, 100, long_payload));
+ OptionPtr sub2(new Option(Option::V4, 101, long_payload));
+ opt_too_long.addOption(sub1);
+ opt_too_long.addOption(sub2);
+
+ // The toHexString() should not throw exception.
+ EXPECT_NO_THROW(opt_too_long.toHexString());
+}
+
+// Tests simple constructor
+TEST_F(OptionTest, v6_basic) {
+
+ scoped_ptr<Option> opt(new Option(Option::V6, 1));
+
+ EXPECT_EQ(Option::V6, opt->getUniverse());
+ EXPECT_EQ(1, opt->getType());
+ EXPECT_EQ(0, opt->getData().size());
+ EXPECT_EQ(4, opt->len()); // Just v6 header
+
+ EXPECT_NO_THROW(opt.reset());
+}
+
+// Tests constructor used in packet reception. Option contains actual data
+TEST_F(OptionTest, v6_data1) {
+ for (unsigned i = 0; i < 32; i++) {
+ buf_[i] = 100 + i;
+ }
+
+ // Create option with seven bytes of data.
+ scoped_ptr<Option> opt(new Option(Option::V6, 333, // Type
+ buf_.begin() + 3, // Begin offset
+ buf_.begin() + 10)); // End offset
+ EXPECT_EQ(333, opt->getType());
+
+ ASSERT_EQ(11, opt->len());
+ ASSERT_EQ(7, opt->getData().size());
+ EXPECT_EQ(0, memcmp(&buf_[3], &opt->getData()[0], 7) );
+
+ opt->pack(outBuf_);
+ EXPECT_EQ(11, outBuf_.getLength());
+
+ const uint8_t* out = static_cast<const uint8_t*>(outBuf_.getData());
+ EXPECT_EQ(out[0], 333 / 256); // Type
+ EXPECT_EQ(out[1], 333 % 256);
+
+ EXPECT_EQ(out[2], 0); // Length
+ EXPECT_EQ(out[3], 7);
+
+ // Payload
+ EXPECT_EQ(0, memcmp(&buf_[3], out + 4, 7));
+
+ EXPECT_NO_THROW(opt.reset());
+}
+
+// Another test that tests the same thing, just with different input parameters.
+TEST_F(OptionTest, v6_data2) {
+
+ buf_[0] = 0xa1;
+ buf_[1] = 0xa2;
+ buf_[2] = 0xa3;
+ buf_[3] = 0xa4;
+
+ // Create an option (unpack content)
+ scoped_ptr<Option> opt(new Option(Option::V6, D6O_CLIENTID,
+ buf_.begin(), buf_.begin() + 4));
+
+ // Pack this option
+ opt->pack(outBuf_);
+
+ // 4 bytes header + 4 bytes content
+ EXPECT_EQ(8, opt->len());
+ EXPECT_EQ(D6O_CLIENTID, opt->getType());
+
+ EXPECT_EQ(8, outBuf_.getLength());
+
+ // Check if pack worked properly:
+ // If option type is correct
+ const uint8_t* out = static_cast<const uint8_t*>(outBuf_.getData());
+
+ EXPECT_EQ(D6O_CLIENTID, out[0] * 256 + out[1]);
+
+ // If option length is correct
+ EXPECT_EQ(4, out[2] * 256 + out[3]);
+
+ // If option content is correct
+ EXPECT_EQ(0, memcmp(&buf_[0], out + 4, 4));
+
+ EXPECT_NO_THROW(opt.reset());
+}
+
+// Check that an option can contain 2 suboptions:
+// opt1
+// +----opt2
+// |
+// +----opt3
+//
+TEST_F(OptionTest, v6_suboptions1) {
+ for (unsigned i = 0; i < 128; i++) {
+ buf_[i] = 100 + i;
+ }
+
+ scoped_ptr<Option> opt1(new Option(Option::V6, 65535, // Type
+ buf_.begin(), // 3 bytes of data
+ buf_.begin() + 3));
+ OptionPtr opt2(new Option(Option::V6, 13));
+ OptionPtr opt3(new Option(Option::V6, 7,
+ buf_.begin() + 3,
+ buf_.begin() + 8)); // 5 bytes of data
+ opt1->addOption(opt2);
+ opt1->addOption(opt3);
+ // opt2 len = 4 (just header)
+ // opt3 len = 9 4(header)+5(data)
+ // opt1 len = 7 + suboptions() = 7 + 4 + 9 = 20
+
+ EXPECT_EQ(4, opt2->len());
+ EXPECT_EQ(9, opt3->len());
+ EXPECT_EQ(20, opt1->len());
+
+ uint8_t expected[] = {
+ 0xff, 0xff, 0, 16, 100, 101, 102,
+ 0, 7, 0, 5, 103, 104, 105, 106, 107,
+ 0, 13, 0, 0 // no data at all
+ };
+
+ opt1->pack(outBuf_);
+ EXPECT_EQ(20, outBuf_.getLength());
+
+ // Payload
+ EXPECT_EQ(0, memcmp(outBuf_.getData(), expected, 20) );
+
+ EXPECT_NO_THROW(opt1.reset());
+}
+
+// Check that an option can contain nested suboptions:
+// opt1
+// +----opt2
+// |
+// +----opt3
+//
+TEST_F(OptionTest, v6_suboptions2) {
+ for (unsigned i = 0; i < 128; i++) {
+ buf_[i] = 100 + i;
+ }
+
+ scoped_ptr<Option> opt1(new Option(Option::V6, 65535, // Type
+ buf_.begin(), buf_.begin() + 3));
+ OptionPtr opt2(new Option(Option::V6, 13));
+ OptionPtr opt3(new Option(Option::V6, 7,
+ buf_.begin() + 3,
+ buf_.begin() + 8));
+ opt1->addOption(opt2);
+ opt2->addOption(opt3);
+ // opt3 len = 9 4(header)+5(data)
+ // opt2 len = 4 (just header) + len(opt3)
+ // opt1 len = 7 + len(opt2)
+
+ uint8_t expected[] = {
+ 0xff, 0xff, 0, 16, 100, 101, 102,
+ 0, 13, 0, 9,
+ 0, 7, 0, 5, 103, 104, 105, 106, 107,
+ };
+
+ opt1->pack(outBuf_);
+ EXPECT_EQ(20, outBuf_.getLength());
+
+ // Payload
+ EXPECT_EQ(0, memcmp(outBuf_.getData(), expected, 20) );
+
+ EXPECT_NO_THROW(opt1.reset());
+}
+
+TEST_F(OptionTest, v6_addgetdel) {
+ for (unsigned i = 0; i < 128; i++) {
+ buf_[i] = 100 + i;
+ }
+
+ scoped_ptr<Option> parent(new Option(Option::V6, 65535)); // Type
+ OptionPtr opt1(new Option(Option::V6, 1));
+ OptionPtr opt2(new Option(Option::V6, 2));
+ OptionPtr opt3(new Option(Option::V6, 2));
+
+ parent->addOption(opt1);
+ parent->addOption(opt2);
+
+ // getOption() test
+ EXPECT_EQ(opt1, parent->getOption(1));
+ EXPECT_EQ(opt2, parent->getOption(2));
+
+ // Expect NULL
+ EXPECT_EQ(OptionPtr(), parent->getOption(4));
+
+ // Now there are 2 options of type 2
+ parent->addOption(opt3);
+
+ // Let's delete one of them
+ EXPECT_EQ(true, parent->delOption(2));
+
+ // There still should be the other option 2
+ EXPECT_NE(OptionPtr(), parent->getOption(2));
+
+ // Let's delete the other option 2
+ EXPECT_EQ(true, parent->delOption(2));
+
+ // No more options with type=2
+ EXPECT_EQ(OptionPtr(), parent->getOption(2));
+
+ // Let's try to delete - should fail
+ EXPECT_TRUE(false == parent->delOption(2));
+}
+
+TEST_F(OptionTest, v6_toText) {
+ buf_[0] = 0;
+ buf_[1] = 0xf;
+ buf_[2] = 0xff;
+
+ OptionPtr opt(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 3 ));
+ EXPECT_EQ("type=00258, len=00003: 00:0f:ff", opt->toText());
+}
+
+// Test converting option to the hexadecimal representation.
+TEST_F(OptionTest, v6_toHexString) {
+ std::vector<uint8_t> payload;
+ for (unsigned int i = 0; i < 16; ++i) {
+ payload.push_back(static_cast<uint8_t>(i));
+ }
+ Option opt(Option::V6, 12202, payload);
+ EXPECT_EQ("0x000102030405060708090A0B0C0D0E0F", opt.toHexString());
+ EXPECT_EQ("0x2FAA0010000102030405060708090A0B0C0D0E0F",
+ opt.toHexString(true));
+
+ // Test empty option.
+ Option opt_empty(Option::V6, 65000, std::vector<uint8_t>());
+ EXPECT_TRUE(opt_empty.toHexString().empty());
+ EXPECT_EQ("0xFDE80000", opt_empty.toHexString(true));
+}
+
+TEST_F(OptionTest, getUintX) {
+
+ buf_[0] = 0x5;
+ buf_[1] = 0x4;
+ buf_[2] = 0x3;
+ buf_[3] = 0x2;
+ buf_[4] = 0x1;
+
+ // Five options with varying lengths
+ OptionPtr opt1(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 1));
+ OptionPtr opt2(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 2));
+ OptionPtr opt3(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 3));
+ OptionPtr opt4(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 4));
+ OptionPtr opt5(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 5));
+
+ EXPECT_EQ(5, opt1->getUint8());
+ EXPECT_THROW(opt1->getUint16(), OutOfRange);
+ EXPECT_THROW(opt1->getUint32(), OutOfRange);
+
+ EXPECT_EQ(5, opt2->getUint8());
+ EXPECT_EQ(0x0504, opt2->getUint16());
+ EXPECT_THROW(opt2->getUint32(), OutOfRange);
+
+ EXPECT_EQ(5, opt3->getUint8());
+ EXPECT_EQ(0x0504, opt3->getUint16());
+ EXPECT_THROW(opt3->getUint32(), OutOfRange);
+
+ EXPECT_EQ(5, opt4->getUint8());
+ EXPECT_EQ(0x0504, opt4->getUint16());
+ EXPECT_EQ(0x05040302, opt4->getUint32());
+
+ // The same as for 4-byte long, just get first 1,2 or 4 bytes
+ EXPECT_EQ(5, opt5->getUint8());
+ EXPECT_EQ(0x0504, opt5->getUint16());
+ EXPECT_EQ(0x05040302, opt5->getUint32());
+
+}
+
+TEST_F(OptionTest, setUintX) {
+ OptionPtr opt1(new Option(Option::V4, 125));
+ OptionPtr opt2(new Option(Option::V4, 125));
+ OptionPtr opt4(new Option(Option::V4, 125));
+
+ // Verify setUint8
+ opt1->setUint8(255);
+ EXPECT_EQ(255, opt1->getUint8());
+ opt1->pack(outBuf_);
+ EXPECT_EQ(3, opt1->len());
+ EXPECT_EQ(3, outBuf_.getLength());
+ uint8_t exp1[] = {125, 1, 255};
+ EXPECT_TRUE(0 == memcmp(exp1, outBuf_.getData(), 3));
+
+ // Verify getUint16
+ outBuf_.clear();
+ opt2->setUint16(12345);
+ opt2->pack(outBuf_);
+ EXPECT_EQ(12345, opt2->getUint16());
+ EXPECT_EQ(4, opt2->len());
+ EXPECT_EQ(4, outBuf_.getLength());
+ uint8_t exp2[] = {125, 2, 12345/256, 12345%256};
+ EXPECT_TRUE(0 == memcmp(exp2, outBuf_.getData(), 4));
+
+ // Verify getUint32
+ outBuf_.clear();
+ opt4->setUint32(0x12345678);
+ opt4->pack(outBuf_);
+ EXPECT_EQ(0x12345678, opt4->getUint32());
+ EXPECT_EQ(6, opt4->len());
+ EXPECT_EQ(6, outBuf_.getLength());
+ uint8_t exp4[] = {125, 4, 0x12, 0x34, 0x56, 0x78};
+ EXPECT_TRUE(0 == memcmp(exp4, outBuf_.getData(), 6));
+}
+
+TEST_F(OptionTest, setData) {
+ // Verify data override with new buffer larger than initial option buffer
+ // size.
+ OptionPtr opt1(new Option(Option::V4, 125,
+ buf_.begin(), buf_.begin() + 10));
+ buf_.resize(20, 1);
+ opt1->setData(buf_.begin(), buf_.end());
+ opt1->pack(outBuf_);
+ ASSERT_EQ(outBuf_.getLength() - opt1->getHeaderLen(), buf_.size());
+ const uint8_t* test_data = static_cast<const uint8_t*>(outBuf_.getData());
+ EXPECT_TRUE(0 == memcmp(&buf_[0], test_data + opt1->getHeaderLen(),
+ buf_.size()));
+
+ // Verify data override with new buffer shorter than initial option buffer
+ // size.
+ OptionPtr opt2(new Option(Option::V4, 125,
+ buf_.begin(), buf_.begin() + 10));
+ outBuf_.clear();
+ buf_.resize(5, 1);
+ opt2->setData(buf_.begin(), buf_.end());
+ opt2->pack(outBuf_);
+ ASSERT_EQ(outBuf_.getLength() - opt1->getHeaderLen(), buf_.size());
+ test_data = static_cast<const uint8_t*>(outBuf_.getData());
+ EXPECT_TRUE(0 == memcmp(&buf_[0], test_data + opt1->getHeaderLen(),
+ buf_.size()));
+}
+
+// This test verifies that options can be compared using equals(OptionPtr)
+// method.
+TEST_F(OptionTest, equalsWithPointers) {
+
+ // Five options with varying lengths
+ OptionPtr opt1(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 1));
+ OptionPtr opt2(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 2));
+ OptionPtr opt3(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 3));
+
+ // The same content as opt2, but different type
+ OptionPtr opt4(new Option(Option::V6, 1, buf_.begin(), buf_.begin() + 2));
+
+ // Another instance with the same type and content as opt2
+ OptionPtr opt5(new Option(Option::V6, 258, buf_.begin(), buf_.begin() + 2));
+
+ EXPECT_TRUE(opt1->equals(opt1));
+
+ EXPECT_FALSE(opt1->equals(opt2));
+ EXPECT_FALSE(opt1->equals(opt3));
+ EXPECT_FALSE(opt1->equals(opt4));
+
+ EXPECT_TRUE(opt2->equals(opt5));
+}
+
+// This test verifies that options can be compared using equals(Option) method.
+TEST_F(OptionTest, equals) {
+
+ // Five options with varying lengths
+ Option opt1(Option::V6, 258, buf_.begin(), buf_.begin() + 1);
+ Option opt2(Option::V6, 258, buf_.begin(), buf_.begin() + 2);
+ Option opt3(Option::V6, 258, buf_.begin(), buf_.begin() + 3);
+
+ // The same content as opt2, but different type
+ Option opt4(Option::V6, 1, buf_.begin(), buf_.begin() + 2);
+
+ // Another instance with the same type and content as opt2
+ Option opt5(Option::V6, 258, buf_.begin(), buf_.begin() + 2);
+
+ EXPECT_TRUE(opt1.equals(opt1));
+
+ EXPECT_FALSE(opt1.equals(opt2));
+ EXPECT_FALSE(opt1.equals(opt3));
+ EXPECT_FALSE(opt1.equals(opt4));
+
+ EXPECT_TRUE(opt2.equals(opt5));
+}
+
+// This test verifies that the name of the option space being encapsulated by
+// the particular option can be set.
+TEST_F(OptionTest, setEncapsulatedSpace) {
+ Option optv6(Option::V6, 258);
+ EXPECT_TRUE(optv6.getEncapsulatedSpace().empty());
+
+ optv6.setEncapsulatedSpace(DHCP6_OPTION_SPACE);
+ EXPECT_EQ(DHCP6_OPTION_SPACE, optv6.getEncapsulatedSpace());
+
+ Option optv4(Option::V4, 125);
+ EXPECT_TRUE(optv4.getEncapsulatedSpace().empty());
+
+ optv4.setEncapsulatedSpace(DHCP4_OPTION_SPACE);
+ EXPECT_EQ(DHCP4_OPTION_SPACE, optv4.getEncapsulatedSpace());
+}
+
+// This test verifies that cloneInternal returns NULL pointer if
+// non-compatible type is used as a template argument.
+// By non-compatible it is meant that the option instance doesn't
+// dynamic_cast to the type specified as template argument.
+// In our case, the NakedOption doesn't cast to OptionUint8 as the
+// latter is not derived from NakedOption.
+TEST_F(OptionTest, cloneInternal) {
+ NakedOption option;
+ OptionPtr clone;
+ // This shouldn't throw nor cause segmentation fault.
+ ASSERT_NO_THROW(clone = option.cloneInternal<OptionUint8>());
+ EXPECT_FALSE(clone);
+}
+
+// This test verifies that empty option factory function creates
+// a valid option instance.
+TEST_F(OptionTest, create) {
+ auto option = Option::create(Option::V4, 123);
+ ASSERT_TRUE(option);
+ EXPECT_EQ(Option::V4, option->getUniverse());
+ EXPECT_EQ(123, option->getType());
+}
+
+// This test verifies that option factory function creates a
+// valid option instance.
+TEST_F(OptionTest, createPayload) {
+ auto option = Option::create(Option::V4, 123, buf_);
+ ASSERT_TRUE(option);
+ EXPECT_EQ(Option::V4, option->getUniverse());
+ EXPECT_EQ(123, option->getType());
+ EXPECT_EQ(buf_, option->getData());
+}
+
+// Verify that options cannot be added to themselves as suboptions.
+TEST_F(OptionTest, optionsCannotContainThemselves) {
+ OptionBuffer buf1 {0xaa, 0xbb};
+ OptionBuffer buf2 {0xcc, 0xdd};
+ OptionPtr option = Option::create(Option::V4, 123, buf1);
+ OptionPtr option2 = Option::create(Option::V4, 124, buf2);
+ ASSERT_TRUE(option);
+ ASSERT_NO_THROW(option->addOption(option2));
+ EXPECT_THROW_MSG(option->addOption(option), InvalidOperation,
+ "option cannot be added to itself: type=123, len=006: aa:bb,\noptions:\n"
+ " type=124, len=002: cc:dd");
+}
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-13 19:12:20 +0000