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107 lines
2.7 KiB
107 lines
2.7 KiB
/*
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* Copyright 2020 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 <gtest/gtest.h>
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#include <limits>
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#include <string>
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#include "common/circular_buffer.h"
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#include "os/log.h"
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namespace testing {
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long long timestamp_{0};
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struct TestTimestamper : public bluetooth::common::Timestamper {
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virtual long long GetTimestamp() const override {
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return timestamp_++;
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}
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};
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TEST(CircularBufferTest, simple) {
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bluetooth::common::TimestampedCircularBuffer<std::string> buffer(10);
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buffer.Push(std::string("One"));
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buffer.Push(std::string("Two"));
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buffer.Push(std::string("Three"));
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auto vec = buffer.Pull();
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ASSERT_STREQ("One", vec[0].entry.c_str());
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ASSERT_STREQ("Two", vec[1].entry.c_str());
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ASSERT_STREQ("Three", vec[2].entry.c_str());
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auto vec2 = buffer.Pull();
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ASSERT_FALSE(vec2.empty());
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}
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TEST(CircularBufferTest, simple_drain) {
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bluetooth::common::TimestampedCircularBuffer<std::string> buffer(10);
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buffer.Push(std::string("One"));
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buffer.Push(std::string("Two"));
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buffer.Push(std::string("Three"));
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auto vec = buffer.Drain();
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ASSERT_STREQ("One", vec[0].entry.c_str());
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ASSERT_STREQ("Two", vec[1].entry.c_str());
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ASSERT_STREQ("Three", vec[2].entry.c_str());
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auto vec2 = buffer.Pull();
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ASSERT_TRUE(vec2.empty());
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}
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TEST(CircularBufferTest, test_timestamps) {
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bluetooth::common::TimestampedCircularBuffer<std::string> buffer(10, std::make_unique<TestTimestamper>());
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buffer.Push(std::string("One"));
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buffer.Push(std::string("Two"));
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buffer.Push(std::string("Three"));
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auto vec = buffer.Pull();
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long long timestamp = 0;
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for (auto v : vec) {
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ASSERT_EQ(timestamp, v.timestamp);
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timestamp++;
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}
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}
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TEST(CircularBufferTest, max_timestamps) {
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bluetooth::common::TimestampedCircularBuffer<std::string> buffer(10);
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std::vector<std::string> test_data;
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for (int i = 0; i < 10 + 1; i++) {
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char buf[255];
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snprintf(buf, 255, "value:%d", i);
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test_data.push_back(std::string(buf));
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buffer.Push(std::string(buf));
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}
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auto vec = buffer.Pull();
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ASSERT_EQ(10, vec.size());
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int i = 0 + 1;
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for (auto v : vec) {
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ASSERT_EQ(test_data[i], v.entry.c_str());
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i++;
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}
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}
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} // namespace testing
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