Rewrite LayoutNG margin collapsing/floats unit tests

third_party/WebKit/Source/core/layout/ng/ng_units.h

 // 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.
 
 #ifndef NGUnits_h
 #define NGUnits_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_writing_mode.h"
 #include "platform/LayoutUnit.h"
@@ skipping 26 matching lines @@
 
   LayoutUnit inline_size;
   LayoutUnit block_size;
 
   NGPhysicalSize ConvertToPhysical(NGWritingMode mode) const;
   bool operator==(const NGLogicalSize& other) const;
 
   bool IsEmpty() const {
     return inline_size == LayoutUnit() || block_size == LayoutUnit();
   }
-
- private:
-  friend class NGBlockLayoutAlgorithmTest;
-  // Used in tests.
-  NGLogicalSize(int inline_size, int block_size)
-      : inline_size(LayoutUnit(inline_size)),
-        block_size(LayoutUnit(block_size)) {}
 };
 
 inline std::ostream& operator<<(std::ostream& stream,
                                 const NGLogicalSize& value) {
   return stream << value.inline_size << "x" << value.block_size;
 }
 
 // NGLogicalOffset is the position of a rect (typically a fragment) relative to
 // its parent rect in the logical coordinate system.
 struct NGLogicalOffset {
@@ skipping 25 matching lines @@
   NGLogicalOffset operator-(const NGLogicalOffset& other) const;
   NGLogicalOffset& operator-=(const NGLogicalOffset& other);
 
   bool operator>(const NGLogicalOffset& other) const;
   bool operator>=(const NGLogicalOffset& other) const;
 
   bool operator<(const NGLogicalOffset& other) const;
   bool operator<=(const NGLogicalOffset& other) const;
 
   String ToString() const;
-
- private:
-  friend class NGBlockLayoutAlgorithmTest;
-  // Used in tests.
-  NGLogicalOffset(int inline_offset, int block_offset)
-      : inline_offset(LayoutUnit(inline_offset)),
-        block_offset(LayoutUnit(block_offset)) {}
 };
 
 CORE_EXPORT inline std::ostream& operator<<(std::ostream& os,
                                             const NGLogicalOffset& value) {
   return os << value.ToString();
 }
 
 // NGPhysicalOffset is the position of a rect (typically a fragment) relative to
 // its parent rect in the physical coordinate system.
 struct NGPhysicalOffset {
   NGPhysicalOffset() {}
   NGPhysicalOffset(LayoutUnit left, LayoutUnit top) : left(left), top(top) {}
 
   LayoutUnit left;
   LayoutUnit top;
 
   NGPhysicalOffset operator+(const NGPhysicalOffset& other) const;
   NGPhysicalOffset& operator+=(const NGPhysicalOffset& other);
 
   NGPhysicalOffset operator-(const NGPhysicalOffset& other) const;
   NGPhysicalOffset& operator-=(const NGPhysicalOffset& other);
 
   String ToString() const {
     return String::format("%dx%d", left.toInt(), top.toInt());
   }
 };
 
-struct NGPhysicalSize {
+struct CORE_EXPORT NGPhysicalSize {
   NGPhysicalSize() {}
   NGPhysicalSize(LayoutUnit width, LayoutUnit height)
       : width(width), height(height) {}
 
   LayoutUnit width;
   LayoutUnit height;
 
   NGLogicalSize ConvertToLogical(NGWritingMode mode) const;
 
   bool operator==(const NGPhysicalSize& other) const;
@@ skipping 271 matching lines @@
     if (position_matches)
       return position;
     else
       return container_size - position - length - margin_start - margin_end;
   }
 };
 
 }  // namespace blink
 
 #endif  // NGUnits_h