98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
/*
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* Copyright (C) 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 <gmock/gmock.h>
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#include "ringbuffer.h"
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using testing::Return;
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using testing::Test;
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namespace android {
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namespace hardware {
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namespace wifi {
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namespace V1_6 {
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namespace implementation {
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class RingbufferTest : public Test {
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public:
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const uint32_t maxBufferSize_ = 10;
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Ringbuffer buffer_{maxBufferSize_};
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};
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TEST_F(RingbufferTest, CreateEmptyBuffer) {
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ASSERT_TRUE(buffer_.getData().empty());
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}
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TEST_F(RingbufferTest, CanUseFullBufferCapacity) {
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const std::vector<uint8_t> input(maxBufferSize_ / 2, '0');
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const std::vector<uint8_t> input2(maxBufferSize_ / 2, '1');
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buffer_.append(input);
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buffer_.append(input2);
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ASSERT_EQ(2u, buffer_.getData().size());
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EXPECT_EQ(input, buffer_.getData().front());
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EXPECT_EQ(input2, buffer_.getData().back());
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}
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TEST_F(RingbufferTest, OldDataIsRemovedOnOverflow) {
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const std::vector<uint8_t> input(maxBufferSize_ / 2, '0');
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const std::vector<uint8_t> input2(maxBufferSize_ / 2, '1');
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const std::vector<uint8_t> input3 = {'G'};
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buffer_.append(input);
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buffer_.append(input2);
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buffer_.append(input3);
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ASSERT_EQ(2u, buffer_.getData().size());
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EXPECT_EQ(input2, buffer_.getData().front());
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EXPECT_EQ(input3, buffer_.getData().back());
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}
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TEST_F(RingbufferTest, MultipleOldDataIsRemovedOnOverflow) {
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const std::vector<uint8_t> input(maxBufferSize_ / 2, '0');
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const std::vector<uint8_t> input2(maxBufferSize_ / 2, '1');
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const std::vector<uint8_t> input3(maxBufferSize_, '2');
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buffer_.append(input);
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buffer_.append(input2);
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buffer_.append(input3);
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ASSERT_EQ(1u, buffer_.getData().size());
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EXPECT_EQ(input3, buffer_.getData().front());
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}
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TEST_F(RingbufferTest, AppendingEmptyBufferDoesNotAddGarbage) {
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const std::vector<uint8_t> input = {};
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buffer_.append(input);
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ASSERT_TRUE(buffer_.getData().empty());
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}
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TEST_F(RingbufferTest, OversizedAppendIsDropped) {
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const std::vector<uint8_t> input(maxBufferSize_ + 1, '0');
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buffer_.append(input);
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ASSERT_TRUE(buffer_.getData().empty());
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}
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TEST_F(RingbufferTest, OversizedAppendDoesNotDropExistingData) {
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const std::vector<uint8_t> input(maxBufferSize_, '0');
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const std::vector<uint8_t> input2(maxBufferSize_ + 1, '1');
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buffer_.append(input);
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buffer_.append(input2);
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ASSERT_EQ(1u, buffer_.getData().size());
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EXPECT_EQ(input, buffer_.getData().front());
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}
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} // namespace implementation
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} // namespace V1_6
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} // namespace wifi
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} // namespace hardware
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} // namespace android
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