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83 lines
2.5 KiB
83 lines
2.5 KiB
/*
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* Copyright 2019 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 "packet/bit_inserter.h"
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#include <gtest/gtest.h>
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#include <memory>
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#include "os/log.h"
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using bluetooth::packet::BitInserter;
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using std::vector;
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namespace bluetooth {
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namespace packet {
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TEST(BitInserterTest, addMoreBits) {
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std::vector<uint8_t> bytes;
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BitInserter it(bytes);
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for (size_t i = 0; i < 9; i++) {
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it.insert_bits(static_cast<uint8_t>(i), i);
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}
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it.insert_bits(static_cast<uint8_t>(0b1010), 4);
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std::vector<uint8_t> result = {0b00011101 /* 3 2 1 */, 0b00010101 /* 5 4 */, 0b11100011 /* 7 6 */, 0b10000000 /* 8 */,
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0b10100000 /* filled with 1010 */};
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ASSERT_EQ(result.size(), bytes.size());
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for (size_t i = 0; i < bytes.size(); i++) {
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ASSERT_EQ(result[i], bytes[i]);
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}
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}
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TEST(BitInserterTest, observerTest) {
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std::vector<uint8_t> bytes;
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BitInserter it(bytes);
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std::vector<uint8_t> copy;
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uint64_t checksum = 0x0123456789abcdef;
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it.RegisterObserver(ByteObserver([©](uint8_t byte) { copy.push_back(byte); }, [checksum]() { return checksum; }));
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for (size_t i = 0; i < 9; i++) {
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it.insert_bits(static_cast<uint8_t>(i), i);
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}
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it.insert_bits(static_cast<uint8_t>(0b1010), 4);
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std::vector<uint8_t> result = {0b00011101 /* 3 2 1 */, 0b00010101 /* 5 4 */, 0b11100011 /* 7 6 */, 0b10000000 /* 8 */,
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0b10100000 /* filled with 1010 */};
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ASSERT_EQ(result.size(), bytes.size());
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for (size_t i = 0; i < bytes.size(); i++) {
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ASSERT_EQ(result[i], bytes[i]);
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}
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ASSERT_EQ(result.size(), copy.size());
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for (size_t i = 0; i < copy.size(); i++) {
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ASSERT_EQ(result[i], copy[i]);
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}
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ByteObserver observer = it.UnregisterObserver();
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ASSERT_EQ(checksum, observer.GetValue());
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uint8_t another_byte = 0xef;
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it.insert_bits(another_byte, 8);
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ASSERT_EQ(bytes.back(), another_byte);
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ASSERT_EQ(result.size() + 1, bytes.size());
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ASSERT_EQ(result.size(), copy.size());
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}
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} // namespace packet
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} // namespace bluetooth
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