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- // Copyright 2021 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <stdint.h>
- #include <vector>
- #include "device/bluetooth/bluetooth_low_energy_scan_filter.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/abseil-cpp/absl/types/optional.h"
- namespace {
- // Values for a valid filter configuration.
- constexpr int16_t kDeviceFoundRSSIThreshold = -80;
- constexpr int16_t kDeviceLostRSSIThreshold = -100;
- constexpr base::TimeDelta kDeviceFoundTimeout = base::Seconds(1);
- constexpr base::TimeDelta kDeviceLostTimeout = base::Seconds(5);
- const std::vector<uint8_t> kPatternValue = {0xff};
- device::BluetoothLowEnergyScanFilter::Pattern GetPattern() {
- return device::BluetoothLowEnergyScanFilter::Pattern(
- /*start_position=*/0,
- device::BluetoothLowEnergyScanFilter::AdvertisementDataType::kServiceData,
- kPatternValue);
- }
- } // namespace
- namespace device {
- TEST(BluetoothLowEnergyScanFilterTest, Valid) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_TRUE(filter);
- }
- TEST(BluetoothLowEnergyScanFilterTest, InvalidNoPattern) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {}, /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- }
- TEST(BluetoothLowEnergyScanFilterTest, InvalidPatternTooLong) {
- device::BluetoothLowEnergyScanFilter::Pattern pattern(
- /*start_position=*/64,
- device::BluetoothLowEnergyScanFilter::AdvertisementDataType::kServiceData,
- kPatternValue);
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {pattern}, /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- }
- TEST(BluetoothLowEnergyScanFilterTest, InvalidBadTimeout) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- base::Seconds(0), {GetPattern()}, /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- base::Seconds(301), {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- }
- TEST(BluetoothLowEnergyScanFilterTest, InvalidBadRssiSamplingPeriod) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- base::Seconds(0), {GetPattern()},
- /*rssi_sampling_period=*/base::Milliseconds(-1));
- EXPECT_FALSE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- base::Seconds(301), {GetPattern()},
- /*rssi_sampling_period=*/base::Milliseconds(254001));
- EXPECT_FALSE(filter);
- }
- TEST(BluetoothLowEnergyScanFilterTest, ValidRssiSamplingPeriod) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/base::Milliseconds(0));
- EXPECT_TRUE(filter);
- EXPECT_EQ(filter->rssi_sampling_period().value().InMilliseconds(), 0);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/base::Milliseconds(254000));
- EXPECT_TRUE(filter);
- EXPECT_EQ(filter->rssi_sampling_period().value().InMilliseconds(), 254000);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/base::Milliseconds(23));
- EXPECT_TRUE(filter);
- EXPECT_EQ(filter->rssi_sampling_period().value().InMilliseconds(), 100);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, kDeviceLostRSSIThreshold, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_TRUE(filter);
- EXPECT_FALSE(filter->rssi_sampling_period().has_value());
- }
- TEST(BluetoothLowEnergyScanFilterTest, InvalidBadThresholds) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- /*device_found_rssi_threshold=*/-128, kDeviceLostRSSIThreshold,
- kDeviceFoundTimeout, kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- /*device_found_rssi_threshold=*/21, kDeviceLostRSSIThreshold,
- kDeviceFoundTimeout, kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, /*device_lost_rssi_threshold=*/-128,
- kDeviceFoundTimeout, kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- kDeviceFoundRSSIThreshold, /*device_lost_rssi_threshold=*/21,
- kDeviceFoundTimeout, kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- // Expect a failure if the "device lost" threshold is greater than the "device
- // found" threshold.
- filter = device::BluetoothLowEnergyScanFilter::Create(
- /*device_found_rssi_threshold=*/-80, /*device_lost_rssi_threshold=*/-60,
- kDeviceFoundTimeout, kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_FALSE(filter);
- }
- TEST(BluetoothLowEnergyScanFilterTest, ValidUsingRange) {
- auto filter = device::BluetoothLowEnergyScanFilter::Create(
- device::BluetoothLowEnergyScanFilter::Range::kImmediate,
- kDeviceFoundTimeout, kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_TRUE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- device::BluetoothLowEnergyScanFilter::Range::kNear, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_TRUE(filter);
- filter = device::BluetoothLowEnergyScanFilter::Create(
- device::BluetoothLowEnergyScanFilter::Range::kFar, kDeviceFoundTimeout,
- kDeviceLostTimeout, {GetPattern()},
- /*rssi_sampling_period=*/absl::nullopt);
- EXPECT_TRUE(filter);
- }
- } // namespace device
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