Send enter / exit fullscreen signal to AVDA

media/base/overlay_info_unittest.cc

+// 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 "media/base/overlay_info.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+using UnguessableToken = base::UnguessableToken;
+using RoutingToken = OverlayInfo::RoutingToken;
+
+// Test that MergeWith handles |member_ptr|.  |some_value| and |other_value|
+// should be two unequal values for |MemberType|.
+template <typename MemberType>
+void MergeWithHelper(base::Optional<MemberType> OverlayInfo::*member_ptr,
+                     MemberType some_value,
+                     MemberType other_value) {
+  // Sanity.
+  EXPECT_NE(some_value, other_value);
+
+  OverlayInfo source;
+  source.*member_ptr = some_value;
+
+  OverlayInfo dest;
+
+  // Make sure that it works with no value.
+  dest.MergeWith(source);
+  EXPECT_EQ(source.*member_ptr, dest.*member_ptr);
+
+  // Try replacing an existing value.
+  dest.*member_ptr = other_value;
+  dest.MergeWith(source);
+  EXPECT_EQ(source.*member_ptr, dest.*member_ptr);
+}
+
+TEST(OverlayInfo, MergeWithHandlesSurfaceId) {
+  MergeWithHelper(&OverlayInfo::surface_id, 123, 234);
+}
+
+TEST(OverlayInfo, MergeWithHandlesRoutingToken) {
+  MergeWithHelper(&OverlayInfo::routing_token,
+                  RoutingToken(UnguessableToken::Create()),
+                  RoutingToken(UnguessableToken::Create()));
+}
+
+TEST(OverlayInfo, MergeWithHandlesIsFullscreen) {
+  MergeWithHelper(&OverlayInfo::is_fullscreen, true, false);
+}
+
+}  // namespace media