[Sensors] Consider maximum supported frequency

device/generic_sensor/platform_sensor_and_provider_unittest_win.cc

 // Copyright 2016 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 <SensorsApi.h>
 #include <Sensors.h>  // NOLINT
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 468 matching lines @@
 
   auto client = base::MakeUnique<NiceMock<MockPlatformSensorClient>>(sensor);
   PlatformSensorConfiguration configuration(10);
   EXPECT_TRUE(sensor->StartListening(client.get(), configuration));
   EXPECT_CALL(*client, OnSensorError()).Times(0);
 
   GenerateStateChangeEvent(SENSOR_STATE_READY);
   base::RunLoop().RunUntilIdle();
 }
 
+// Tests that GetMaximumSupportedFrequency provides correct value.
+TEST_F(PlatformSensorAndProviderTestWin, GetMaximumSupportedFrequency) {
+  SetSupportedReportingFrequency(20);
+  SetSupportedSensor(SENSOR_TYPE_AMBIENT_LIGHT);
+  auto sensor = CreateSensor(SensorType::AMBIENT_LIGHT);
+  EXPECT_TRUE(sensor);
+  EXPECT_THAT(sensor->GetMaximumSupportedFrequency(), 20);
+}
+
+// Tests that GetMaximumSupportedFrequency is returns fallback value.

[shalamov, 2016/11/03 13:32:55]

nit: is returns => returns

+TEST_F(PlatformSensorAndProviderTestWin, GetMaximumSupportedFrequencyFallback) {
+  SetSupportedReportingFrequency(0);
+  SetSupportedSensor(SENSOR_TYPE_AMBIENT_LIGHT);
+  auto sensor = CreateSensor(SensorType::AMBIENT_LIGHT);
+  EXPECT_TRUE(sensor);
+  EXPECT_THAT(sensor->GetMaximumSupportedFrequency(), 5);
+}
+
 }  // namespace device