[LayoutNG] Introduce NGPhysicalFragment and make NGFragment a 'view'

third_party/WebKit/Source/core/layout/ng/ng_units_test.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 "core/layout/ng/ng_units.h"
+
+#include "core/layout/ng/ng_direction.h"
+#include "core/layout/ng/ng_writing_mode.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+namespace {
+
+TEST(NGUnitsTest, ConvertLogicalOffsetToPhysicalOffset) {
+  NGLogicalOffset logical_offset(LayoutUnit(20), LayoutUnit(30));
+  NGPhysicalSize container_size(LayoutUnit(300), LayoutUnit(400));
+  NGPhysicalSize inner_size(LayoutUnit(5), LayoutUnit(65));
+  NGPhysicalOffset offset;
+
+  offset = logical_offset.ConvertToPhysical(HorizontalTopBottom, LeftToRight,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(20), offset.left);
+  EXPECT_EQ(LayoutUnit(30), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(HorizontalTopBottom, RightToLeft,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(275), offset.left);
+  EXPECT_EQ(LayoutUnit(30), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(VerticalRightLeft, LeftToRight,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(265), offset.left);
+  EXPECT_EQ(LayoutUnit(20), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(VerticalRightLeft, RightToLeft,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(265), offset.left);
+  EXPECT_EQ(LayoutUnit(315), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(SidewaysRightLeft, LeftToRight,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(265), offset.left);
+  EXPECT_EQ(LayoutUnit(20), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(SidewaysRightLeft, RightToLeft,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(265), offset.left);
+  EXPECT_EQ(LayoutUnit(315), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(VerticalLeftRight, LeftToRight,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(30), offset.left);
+  EXPECT_EQ(LayoutUnit(20), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(VerticalLeftRight, RightToLeft,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(30), offset.left);
+  EXPECT_EQ(LayoutUnit(315), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(SidewaysLeftRight, LeftToRight,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(30), offset.left);
+  EXPECT_EQ(LayoutUnit(315), offset.top);
+
+  offset = logical_offset.ConvertToPhysical(SidewaysLeftRight, RightToLeft,
+                                            container_size, inner_size);
+  EXPECT_EQ(LayoutUnit(30), offset.left);
+  EXPECT_EQ(LayoutUnit(20), offset.top);
+}
+
+}  // namespace
+
+}  // namespace blink