Battery Status API: implementation for Linux.

content/browser/battery_status/battery_status_manager_linux_unittest.cc

Index: content/browser/battery_status/battery_status_manager_linux_unittest.cc
diff --git a/content/browser/battery_status/battery_status_manager_linux_unittest.cc b/content/browser/battery_status/battery_status_manager_linux_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..79148b56678fe7446ac564daba9549cc0b7dbe26
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+++ b/content/browser/battery_status/battery_status_manager_linux_unittest.cc
@@ -0,0 +1,143 @@
+// Copyright 2014 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 "content/browser/battery_status/battery_status_manager_linux.h"
+
+#include "base/values.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+namespace {
+
+TEST(BatteryStatusManagerLinuxTest, EmptyDictionary) {
+  base::DictionaryValue dictionary;
+  blink::WebBatteryStatus default_status;
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_EQ(default_status.charging, status.charging);
+  EXPECT_EQ(default_status.chargingTime, status.chargingTime);
+  EXPECT_EQ(default_status.dischargingTime, status.dischargingTime);
+  EXPECT_EQ(default_status.level, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, ChargingHalfFull) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_CHARGING);
+  dictionary.SetDouble("TimeToFull", 0);
+  dictionary.SetDouble("Percentage", 50);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_TRUE(status.charging);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(0.5, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, ChargingTimeToFull) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_CHARGING);
+  dictionary.SetDouble("TimeToFull", 100.f);
+  dictionary.SetDouble("Percentage", 1);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_TRUE(status.charging);
+  EXPECT_EQ(100, status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(.01, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, FullyCharged) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_FULL);
+  dictionary.SetDouble("TimeToFull", 100);
+  dictionary.SetDouble("TimeToEmpty", 200);
+  dictionary.SetDouble("Percentage", 100);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_TRUE(status.charging);
+  EXPECT_EQ(0, status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(1, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, Discharging) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_DISCHARGING);
+  dictionary.SetDouble("TimeToFull", 0);
+  dictionary.SetDouble("TimeToEmpty", 200);
+  dictionary.SetDouble("Percentage", 90);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_FALSE(status.charging);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.chargingTime);
+  EXPECT_EQ(200, status.dischargingTime);
+  EXPECT_EQ(.9, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, DischargingTimeToEmptyUnknown) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_DISCHARGING);
+  dictionary.SetDouble("TimeToFull", 0);
+  dictionary.SetDouble("TimeToEmpty", 0);
+  dictionary.SetDouble("Percentage", 90);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_FALSE(status.charging);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(.9, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, DeviceStateUnknown) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_UNKNOWN);
+  dictionary.SetDouble("TimeToFull", 0);
+  dictionary.SetDouble("TimeToEmpty", 0);
+  dictionary.SetDouble("Percentage", 50);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_TRUE(status.charging);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(.5, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, DeviceStateEmpty) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_EMPTY);
+  dictionary.SetDouble("TimeToFull", 0);
+  dictionary.SetDouble("TimeToEmpty", 0);
+  dictionary.SetDouble("Percentage", 0);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_FALSE(status.charging);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(0, status.level);
+}
+
+TEST(BatteryStatusManagerLinuxTest, LevelRoundedToThreeSignificantDigits) {
+  base::DictionaryValue dictionary;
+  dictionary.SetDouble("State", UPOWER_DEVICE_STATE_DISCHARGING);
+  dictionary.SetDouble("Percentage", 14.56);
+
+  blink::WebBatteryStatus status = ComputeWebBatteryStatus(dictionary);
+
+  EXPECT_FALSE(status.charging);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.chargingTime);
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), status.dischargingTime);
+  EXPECT_EQ(0.15, status.level);
+}
+
+}  // namespace
+
+}  // namespace content