Add Protobuf support in cc for gfx objects

cc/proto/gfx_conversions_unittest.cc

+// Copyright 2015 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 "cc/proto/gfx_conversions.h"
+
+#include "cc/proto/point.pb.h"
+#include "cc/proto/pointf.pb.h"
+#include "cc/proto/rect.pb.h"
+#include "cc/proto/rectf.pb.h"
+#include "cc/proto/size.pb.h"
+#include "cc/proto/sizef.pb.h"
+#include "cc/proto/transform.pb.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/point_f.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/rect_f.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/geometry/size_f.h"
+#include "ui/gfx/transform.h"
+
+namespace cc {
+namespace {
+
+TEST(GfxProtoConversionsTest, IntSerializationLimits) {
+  // Test Point with the minimum int value.
+  {
+    gfx::Point point(std::numeric_limits<int>::min(),
+                     std::numeric_limits<int>::min());
+    proto::Point proto;
+    PointToProto(point, &proto);
+    EXPECT_EQ(point, ProtoToPoint(proto));
+  }
+
+  // Test Point with the maximum int value.
+  {
+    gfx::Point point(std::numeric_limits<int>::max(),
+                     std::numeric_limits<int>::max());
+    proto::Point proto;
+    PointToProto(point, &proto);
+    EXPECT_EQ(point, ProtoToPoint(proto));
+  }
+
+  // Test Size with the minimum int value.
+  {
+    gfx::Size size(std::numeric_limits<int>::min(),
+                   std::numeric_limits<int>::min());
+    proto::Size proto;
+    SizeToProto(size, &proto);
+    EXPECT_EQ(size, ProtoToSize(proto));
+  }
+
+  // Test Size with the maximum int value.
+  {
+    gfx::Size size(std::numeric_limits<int>::max(),
+                   std::numeric_limits<int>::max());
+    proto::Size proto;
+    SizeToProto(size, &proto);
+    EXPECT_EQ(size, ProtoToSize(proto));
+  }
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializePoint) {
+  const gfx::Point point(5, 10);
+
+  // Test PointToProto
+  proto::Point proto;
+  PointToProto(point, &proto);
+  EXPECT_EQ(point.x(), proto.x());
+  EXPECT_EQ(point.y(), proto.y());
+
+  // Test protoToPoint
+  EXPECT_EQ(point, ProtoToPoint(proto));
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializePointF) {
+  const gfx::PointF point(5.1f, 10.2f);
+
+  // Test PointFToProto
+  proto::PointF proto;
+  PointFToProto(point, &proto);
+  EXPECT_EQ(point.x(), proto.x());
+  EXPECT_EQ(point.y(), proto.y());
+
+  // Test ProtoToPointF
+  EXPECT_EQ(point, ProtoToPointF(proto));
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializeSize) {
+  const gfx::Size size(5, 10);
+
+  // Test SizeToProto
+  proto::Size proto;
+  SizeToProto(size, &proto);
+  EXPECT_EQ(size.width(), proto.width());
+  EXPECT_EQ(size.height(), proto.height());
+
+  // Test ProtoToSize
+  EXPECT_EQ(size, ProtoToSize(proto));
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializeSizeF) {
+  const gfx::SizeF size(5.1f, 10.2f);
+
+  // Test SizeFToProto
+  proto::SizeF proto;
+  SizeFToProto(size, &proto);
+  EXPECT_EQ(size.width(), proto.width());
+  EXPECT_EQ(size.height(), proto.height());
+
+  // Test ProtoToSizeF
+  EXPECT_EQ(size, ProtoToSizeF(proto));
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializeRect) {
+  const gfx::Rect rect(1, 2, 3, 4);
+
+  // Test RectToProto
+  proto::Rect proto;
+  RectToProto(rect, &proto);
+  EXPECT_EQ(rect.origin().x(), proto.origin().x());
+  EXPECT_EQ(rect.origin().y(), proto.origin().y());
+  EXPECT_EQ(rect.size().width(), proto.size().width());
+  EXPECT_EQ(rect.size().height(), proto.size().height());
+
+  // Test ProtoToRect
+  EXPECT_EQ(rect, ProtoToRect(proto));
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializeRectF) {
+  const gfx::RectF rect(1.4f, 2.3f, 3.2f, 4.1f);
+
+  // Test RectFToProto
+  proto::RectF proto;
+  RectFToProto(rect, &proto);
+  EXPECT_EQ(rect.origin().x(), proto.origin().x());
+  EXPECT_EQ(rect.origin().y(), proto.origin().y());
+  EXPECT_EQ(rect.size().width(), proto.size().width());
+  EXPECT_EQ(rect.size().height(), proto.size().height());
+
+  // Test ProtoToRectF
+  EXPECT_EQ(rect, ProtoToRectF(proto));
+}
+
+TEST(GfxProtoConversionsTest, SerializeDeserializeTransform) {
+  gfx::Transform transform(1.16f, 2.15f, 3.14f, 4.13f, 5.12f, 6.11f, 7.1f, 8.9f,
+                           9.8f, 10.7f, 11.6f, 12.5f, 13.4f, 14.3f, 15.2f,
+                           16.1f);
+
+  // Test TransformToProto
+  proto::Transform proto;
+  TransformToProto(transform, &proto);
+  EXPECT_EQ(16, proto.matrix_size());
+  EXPECT_EQ(transform.matrix().get(0, 0), proto.matrix(0));
+  EXPECT_EQ(transform.matrix().get(0, 1), proto.matrix(1));
+  EXPECT_EQ(transform.matrix().get(0, 2), proto.matrix(2));
+  EXPECT_EQ(transform.matrix().get(0, 3), proto.matrix(3));
+  EXPECT_EQ(transform.matrix().get(1, 0), proto.matrix(4));
+  EXPECT_EQ(transform.matrix().get(1, 1), proto.matrix(5));
+  EXPECT_EQ(transform.matrix().get(1, 2), proto.matrix(6));
+  EXPECT_EQ(transform.matrix().get(1, 3), proto.matrix(7));
+  EXPECT_EQ(transform.matrix().get(2, 0), proto.matrix(8));
+  EXPECT_EQ(transform.matrix().get(2, 1), proto.matrix(9));
+  EXPECT_EQ(transform.matrix().get(2, 2), proto.matrix(10));
+  EXPECT_EQ(transform.matrix().get(2, 3), proto.matrix(11));
+  EXPECT_EQ(transform.matrix().get(3, 0), proto.matrix(12));
+  EXPECT_EQ(transform.matrix().get(3, 1), proto.matrix(13));
+  EXPECT_EQ(transform.matrix().get(3, 2), proto.matrix(14));
+  EXPECT_EQ(transform.matrix().get(3, 3), proto.matrix(15));
+
+  // Test ProtoToTransform
+  EXPECT_EQ(transform, ProtoToTransform(proto));
+}
+
+}  // namespace
+}  // namespace cc