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122 lines
3.9 KiB
122 lines
3.9 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include "packet.h"
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#include "packet_test_common.h"
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#include "test_packets.h"
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namespace bluetooth {
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// Test making a packet from another packet. The new packet should have the
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// same payload bounds as the old packet.
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TEST(PacketTest, newPacketFromPacketTest) {
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// Create a packet with payload bounds
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auto packet = TestPacket::Make(
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test_avctp_data, test_avctp_data_payload_offset, test_avctp_data.size());
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// Create packet from bounded packet
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auto new_packet = TestPacket::Make(packet);
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// Check to see if the new packet is bounded by the payload of the old packet
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auto it = new_packet->begin();
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for (size_t i = 0; i < test_avrcp_data.size(); i++) {
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ASSERT_EQ(test_avrcp_data[i], *it++);
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}
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}
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// Test that the correct payload length is returned
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TEST(PacketTest, sizeTest) {
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auto packet = TestPacket::Make(test_avctp_data);
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ASSERT_EQ(packet->size(), test_avctp_data.size());
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packet = TestPacket::Make(test_avctp_data, test_avctp_data_payload_offset,
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test_avctp_data.size());
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ASSERT_EQ(packet->size(), test_avrcp_data.size());
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}
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// Test the array access operator
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TEST(PacketTest, arrayAccessTest) {
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auto packet = TestPacket::Make(test_l2cap_data);
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for (size_t i = 0; i < test_l2cap_data.size(); i++) {
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ASSERT_EQ(test_l2cap_data[i], (*packet)[i]);
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}
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packet = TestPacket::Make(test_avctp_data, test_avctp_data_payload_offset,
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test_avctp_data.size());
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for (size_t i = 0; i < test_avrcp_data.size(); i++) {
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ASSERT_EQ(test_avrcp_data[i], (*packet)[i]);
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}
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}
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// Test that accessing past the end of the defined payload dies
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TEST(PacketTest, arrayAccessDeathTest) {
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auto packet =
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TestPacket::Make(test_l2cap_data, 3, test_l2cap_data.size() - 2);
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ASSERT_DEATH((*packet)[test_l2cap_data.size()], "");
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}
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// Test that the iterator and array access operator return the same data
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TEST(PacketTest, iteratorTest) {
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auto packet = TestPacket::Make(
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test_avctp_data, test_avctp_data_payload_offset, test_avctp_data.size());
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// Check to see if the data matches
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auto it = packet->begin();
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for (size_t i = 0; i < packet->size(); i++) {
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ASSERT_EQ((*packet)[i], *it++);
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}
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// Check to see if the iterator points to the end of the data
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ASSERT_EQ(it, packet->end());
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}
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class ChildTestPacket : public TestPacket {
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public:
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using TestPacket::TestPacket;
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std::string ToString() const override { return "ChildTestPacket"; };
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};
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// Test specializing a packet to another packet type
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TEST(PacketTest, specializeTest) {
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auto packet = TestPacket::Make(test_l2cap_data);
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std::shared_ptr<ChildTestPacket> specialized_packet =
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Packet::Specialize<ChildTestPacket>(packet);
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// Test that the new packet is an instance of ChildTestPacket
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ASSERT_EQ(specialized_packet->ToString(), "ChildTestPacket");
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// Test that the underlying data is the same and no copy took place
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ASSERT_EQ(&specialized_packet->GetData(), &packet->GetData());
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}
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// Test that when the packet goes out of scope, that the underlying memory is
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// freed
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TEST(PacketTest, memoryFreeTest) {
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auto packet = TestPacket::Make(test_l2cap_data);
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std::weak_ptr<std::vector<uint8_t>> data_ptr(packet->GetDataPointer());
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ASSERT_FALSE(data_ptr.expired());
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packet.reset();
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ASSERT_TRUE(data_ptr.expired());
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}
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} // namespace bluetooth
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