third_party/WebKit/Source/core/layout/ng/ng_constraint_space_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_constraint_space.h"

#include "testing/gtest/include/gtest/gtest.h"

namespace blink {

namespace {

TEST(NGConstraintSpaceTest, WritingMode) {
  NGConstraintSpace* horz_space = new NGConstraintSpace(
      HorizontalTopBottom, NGLogicalSize(LayoutUnit(200), LayoutUnit(100)));
  horz_space->SetOverflowTriggersScrollbar(true, false);
  horz_space->SetFixedSize(true, false);
  horz_space->SetFragmentationType(FragmentColumn);

  NGConstraintSpace* vert_space =
      new NGConstraintSpace(VerticalRightLeft, horz_space);

  EXPECT_EQ(LayoutUnit(200), horz_space->ContainerSize().inline_size);
  EXPECT_EQ(LayoutUnit(200), vert_space->ContainerSize().block_size);

  EXPECT_EQ(LayoutUnit(100), horz_space->ContainerSize().block_size);
  EXPECT_EQ(LayoutUnit(100), vert_space->ContainerSize().inline_size);

  EXPECT_TRUE(horz_space->InlineTriggersScrollbar());
  EXPECT_TRUE(vert_space->BlockTriggersScrollbar());

  EXPECT_FALSE(horz_space->BlockTriggersScrollbar());
  EXPECT_FALSE(vert_space->InlineTriggersScrollbar());

  EXPECT_TRUE(horz_space->FixedInlineSize());
  EXPECT_TRUE(vert_space->FixedBlockSize());

  EXPECT_FALSE(horz_space->FixedBlockSize());
  EXPECT_FALSE(vert_space->FixedInlineSize());

  EXPECT_EQ(FragmentColumn, horz_space->BlockFragmentationType());
  EXPECT_EQ(FragmentNone, vert_space->BlockFragmentationType());
}

TEST(NGConstraintSpaceTest, LayoutOpportunities) {
  // TODO(eae): Implement in followup change.
}

}  // namespace

}  // namespace blink