--- /dev/null
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Sensor_test"
+
+#include <gui/Sensor.h>
+#include <hardware/sensors.h>
+#include <utils/Errors.h>
+
+#include <gtest/gtest.h>
+
+namespace android {
+
+// Returns true if the two sensors have the same attributes. Does not compare
+// UUID since that should not be transmitted via flatten/unflatten.
+static bool sensorsMatch(const Sensor& a, const Sensor& b) {
+ return a.getName() == b.getName () &&
+ a.getVendor() == b.getVendor () &&
+ a.getHandle() == b.getHandle () &&
+ a.getType() == b.getType () &&
+ a.getMinValue() == b.getMinValue () &&
+ a.getMaxValue() == b.getMaxValue () &&
+ a.getResolution() == b.getResolution () &&
+ a.getPowerUsage() == b.getPowerUsage () &&
+ a.getMinDelay() == b.getMinDelay () &&
+ a.getMinDelayNs() == b.getMinDelayNs () &&
+ a.getVersion() == b.getVersion () &&
+ a.getFifoReservedEventCount() == b.getFifoReservedEventCount () &&
+ a.getFifoMaxEventCount() == b.getFifoMaxEventCount () &&
+ a.getStringType() == b.getStringType () &&
+ a.getRequiredPermission() == b.getRequiredPermission () &&
+ a.isRequiredPermissionRuntime() == b.isRequiredPermissionRuntime () &&
+ a.getRequiredAppOp() == b.getRequiredAppOp () &&
+ a.getMaxDelay() == b.getMaxDelay () &&
+ a.getFlags() == b.getFlags () &&
+ a.isWakeUpSensor() == b.isWakeUpSensor () &&
+ a.isDynamicSensor() == b.isDynamicSensor () &&
+ a.hasAdditionalInfo() == b.hasAdditionalInfo () &&
+ a.getReportingMode() == b.getReportingMode();
+}
+
+// Creates and returns a sensor_t struct with some default values filled in.
+static sensor_t getTestSensorT() {
+ sensor_t hwSensor = {};
+ hwSensor.name = "Test Sensor";
+ hwSensor.vendor = "Test Vendor";
+ hwSensor.version = 1;
+ hwSensor.handle = 2;
+ hwSensor.type = SENSOR_TYPE_ACCELEROMETER;
+ hwSensor.maxRange = 10.f;
+ hwSensor.resolution = 1.f;
+ hwSensor.power = 5.f;
+ hwSensor.minDelay = 1000;
+ hwSensor.fifoReservedEventCount = 50;
+ hwSensor.fifoMaxEventCount = 100;
+ hwSensor.stringType = SENSOR_STRING_TYPE_ACCELEROMETER;
+ hwSensor.requiredPermission = "";
+ hwSensor.maxDelay = 5000;
+ hwSensor.flags = SENSOR_FLAG_CONTINUOUS_MODE;
+ return hwSensor;
+}
+
+TEST(SensorTest, FlattenAndUnflatten) {
+ sensor_t hwSensor = getTestSensorT();
+ Sensor sensor1(&hwSensor, SENSORS_DEVICE_API_VERSION_1_4);
+ Sensor sensor2;
+
+ std::vector<uint8_t> buffer(sensor1.getFlattenedSize());
+ ASSERT_EQ(OK, sensor1.flatten(buffer.data(), buffer.size()));
+ ASSERT_EQ(OK, sensor2.unflatten(buffer.data(), buffer.size()));
+
+ EXPECT_TRUE(sensorsMatch(sensor1, sensor2));
+}
+
+} // namespace android