Changed wifi arcs to mobile bars for Tether network.

ash/system/network/network_icon_unittest.cc

Index: ash/system/network/network_icon_unittest.cc
diff --git a/ash/system/network/network_icon_unittest.cc b/ash/system/network/network_icon_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ef1cdcd5b822a681e769548a110399f9ab22d6c9
--- /dev/null
+++ b/ash/system/network/network_icon_unittest.cc
@@ -0,0 +1,133 @@
+// Copyright 2017 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 "ash/system/network/network_icon.h"
+
+#include "ash/test/ash_test_base.h"
+#include "base/logging.h"
+#include "base/memory/ptr_util.h"
+#include "chromeos/network/network_handler.h"
+#include "chromeos/network/network_state.h"
+#include "chromeos/network/tether_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/cros_system_api/dbus/shill/dbus-constants.h"
+#include "ui/gfx/image/image_unittest_util.h"
+
+namespace ash {
+
+namespace network_icon {
+
+class NetworkIconTest : public test::AshTestBase {
+ public:
+  NetworkIconTest() {}
+  ~NetworkIconTest() override {}
+
+  void SetUp() override {
+    test::AshTestBase::SetUp();
+    chromeos::NetworkHandler::Initialize();
+
+    tether_network =
+        base::MakeUnique<chromeos::NetworkState>("tetherNetworkPath");
+    tether_network->set_type(chromeos::kTypeTether);
+
+    wifi_network = base::MakeUnique<chromeos::NetworkState>("wifiServicePath");
+    wifi_network->set_type(shill::kTypeWifi);
+
+    cellular_network =
+        base::MakeUnique<chromeos::NetworkState>("cellularServicePath");
+    cellular_network->set_type(shill::kTypeCellular);
+
+    wifi_tether_network =
+        base::MakeUnique<chromeos::NetworkState>("wifiTetherServicePath");
+    wifi_tether_network->set_type(shill::kTypeWifi);
+    wifi_tether_network.get()->set_tether_guid("tetherNetworkGuid");
+  }
+
+  void TearDown() override {
+    PurgeNetworkIconCache();
+    chromeos::NetworkHandler::Shutdown();
+    test::AshTestBase::TearDown();
+  }
+
+  gfx::Image ImageForNetwork(chromeos::NetworkState* network) {
+    gfx::ImageSkia image_skia = GetImageForNetwork(network, icon_type);
+    return gfx::Image(image_skia);
+  }
+
+  // The icon for a Tether network should be the same as one for a cellular
+  // network. The icon for a Tether network should be different from one for a
+  // Wi-Fi network. The icon for a cellular network should be different from one
+  // for a Wi-Fi network. The icon for a Tether network should be the same as
+  // one for a Wi-Fi network with an associated Tether guid.
+  void GetAndCompareImagesByNetworkType() {
+    gfx::Image tether_image = ImageForNetwork(tether_network.get());
+    gfx::Image wifi_image = ImageForNetwork(wifi_network.get());
+    gfx::Image cellular_image = ImageForNetwork(cellular_network.get());
+    gfx::Image wifi_tether_image = ImageForNetwork(wifi_tether_network.get());
+
+    EXPECT_FALSE(gfx::test::AreImagesEqual(tether_image, wifi_image));
+    EXPECT_FALSE(gfx::test::AreImagesEqual(cellular_image, wifi_image));
+    EXPECT_TRUE(gfx::test::AreImagesEqual(tether_image, cellular_image));
+
+    EXPECT_TRUE(gfx::test::AreImagesEqual(tether_image, wifi_tether_image));
+  }
+
+  IconType icon_type = ICON_TYPE_TRAY;
+
+  std::unique_ptr<chromeos::NetworkState> tether_network;
+  std::unique_ptr<chromeos::NetworkState> wifi_network;
+  std::unique_ptr<chromeos::NetworkState> cellular_network;
+  // A network whose type is shill::kTypeWifi, but which is associated with
+  // a Tether network via its Tether network ID.
+  std::unique_ptr<chromeos::NetworkState> wifi_tether_network;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NetworkIconTest);
+};
+
+// This tests that the correct icons are being generated for the correct
+// networks by pairwise comparison of three different network types, verifying
+// that the Tether and cellular icon are the same, Tether and Wi-Fi icons are
+// different, and cellular and Wi-Fi icons are different. Additionaly, it
+// verifies that the Tether network and Wi-Fi network with associated Tether
+// guid are treated the same for purposes of icon display
+TEST_F(NetworkIconTest, CompareImagesByNetworkType_NotVisible) {
+  GetAndCompareImagesByNetworkType();
+}
+
+TEST_F(NetworkIconTest, CompareImagesByNetworkType_Connecting) {
+  tether_network->set_visible(true);
+  tether_network->set_connection_state(shill::kStateAssociation);
+
+  wifi_network->set_visible(true);
+  wifi_network->set_connection_state(shill::kStateAssociation);
+
+  cellular_network->set_visible(true);
+  cellular_network->set_connection_state(shill::kStateAssociation);
+
+  wifi_tether_network->set_visible(true);
+  wifi_tether_network->set_connection_state(shill::kStateAssociation);
+
+  GetAndCompareImagesByNetworkType();
+}
+
+TEST_F(NetworkIconTest, CompareImagesByNetworkType_Connected) {
+  tether_network->set_visible(true);
+  tether_network->set_connection_state(shill::kStateOnline);
+
+  wifi_network->set_visible(true);
+  wifi_network->set_connection_state(shill::kStateOnline);
+
+  cellular_network->set_visible(true);
+  cellular_network->set_connection_state(shill::kStateOnline);
+
+  wifi_tether_network->set_visible(true);
+  wifi_tether_network->set_connection_state(shill::kStateOnline);
+
+  GetAndCompareImagesByNetworkType();
+}
+
+}  // namespace network_icon
+
+}  // namespace ash