C++ (Cpp) YGNodeRefの例

コード例 #1

ファイル: YGNode.cpp プロジェクト: dreamevil/litho

void YGNode::cloneChildrenIfNeeded() {
  // YGNodeRemoveChild in yoga.cpp has a forked variant of this algorithm
  // optimized for deletions.

  const uint32_t childCount = static_cast<uint32_t>(children_.size());
  if (childCount == 0) {
    // This is an empty set. Nothing to clone.
    return;
  }

  const YGNodeRef firstChild = children_.front();
  if (firstChild->getParent() == this) {
    // If the first child has this node as its parent, we assume that it is
    // already unique. We can do this because if we have it has a child, that
    // means that its parent was at some point cloned which made that subtree
    // immutable. We also assume that all its sibling are cloned as well.
    return;
  }

  const YGNodeClonedFunc cloneNodeCallback = config_->cloneNodeCallback;
  for (uint32_t i = 0; i < childCount; ++i) {
    const YGNodeRef oldChild = children_[i];
    const YGNodeRef newChild = YGNodeClone(oldChild);
    replaceChild(newChild, i);
    newChild->setParent(this);
    if (cloneNodeCallback) {
      cloneNodeCallback(oldChild, newChild, this, i);
    }
  }
}

コード例 #2

ファイル: YGRoundingMeasureFuncTest.cpp プロジェクト: wiltonlazary/css-layout

TEST(YogaTest, rounding_feature_with_custom_measure_func_floor) {
  const YGConfigRef config = YGConfigNew();
  const YGNodeRef root = YGNodeNewWithConfig(config);

  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
  root_child0->setMeasureFunc(_measureFloor);
  YGNodeInsertChild(root, root_child0, 0);

  YGConfigSetPointScaleFactor(config, 0.0f);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);

  ASSERT_FLOAT_EQ(10.2, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(10.2, YGNodeLayoutGetHeight(root_child0));

  YGConfigSetPointScaleFactor(config, 1.0f);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_FLOAT_EQ(11, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(11, YGNodeLayoutGetHeight(root_child0));

  YGConfigSetPointScaleFactor(config, 2.0f);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);

  ASSERT_FLOAT_EQ(10.5, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(10.5, YGNodeLayoutGetHeight(root_child0));

  YGConfigSetPointScaleFactor(config, 4.0f);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_FLOAT_EQ(10.25, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(10.25, YGNodeLayoutGetHeight(root_child0));

  YGConfigSetPointScaleFactor(config, 1.0f / 3.0f);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);

  ASSERT_FLOAT_EQ(12.0, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(12.0, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);

  YGConfigFree(config);
}

コード例 #3

ファイル: YGBaselineFuncTest.cpp プロジェクト: netanelweizman/FlexLayout

TEST(YogaTest, align_baseline_customer_func) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetAlignItems(root, YGAlignBaseline);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child1 = YGNodeNew();
  YGNodeStyleSetWidth(root_child1, 50);
  YGNodeStyleSetHeight(root_child1, 20);
  YGNodeInsertChild(root, root_child1, 1);

  float baselineValue = 10;
  const YGNodeRef root_child1_child0 = YGNodeNew();
  root_child1_child0->setContext(&baselineValue);
  YGNodeStyleSetWidth(root_child1_child0, 50);
  root_child1_child0->setBaseLineFunc(_baseline);
  YGNodeStyleSetHeight(root_child1_child0, 20);
  YGNodeInsertChild(root_child1, root_child1_child0, 0);
  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root));

  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  ASSERT_FLOAT_EQ(50, YGNodeLayoutGetLeft(root_child1));
  ASSERT_FLOAT_EQ(40, YGNodeLayoutGetTop(root_child1));
  ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child1));
  ASSERT_FLOAT_EQ(20, YGNodeLayoutGetHeight(root_child1));

  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1_child0));
  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1_child0));
  ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child1_child0));
  ASSERT_FLOAT_EQ(20, YGNodeLayoutGetHeight(root_child1_child0));
}

コード例 #4

ファイル: YGRoundingMeasureFuncTest.cpp プロジェクト: wiltonlazary/css-layout

TEST(YogaTest, rounding_feature_with_custom_measure_and_fractial_matching_scale) {
  const YGConfigRef config = YGConfigNew();
  const YGNodeRef root = YGNodeNewWithConfig(config);

  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetPosition(root_child0, YGEdgeLeft, 73.625);
  root_child0->setMeasureFunc(_measureFractial);
  YGNodeInsertChild(root, root_child0, 0);

  YGConfigSetPointScaleFactor(config, 2.0f);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_FLOAT_EQ(0.5, YGNodeLayoutGetWidth(root_child0));
  ASSERT_FLOAT_EQ(0.5, YGNodeLayoutGetHeight(root_child0));
  ASSERT_FLOAT_EQ(73.5, YGNodeLayoutGetLeft(root_child0));

  YGNodeFreeRecursive(root);

  YGConfigFree(config);
}

コード例 #5

ファイル: YGBaselineFuncTest.cpp プロジェクト: netanelweizman/FlexLayout

static float _baseline(YGNodeRef node, const float width, const float height) {
  float* baseline = (float*)node->getContext();
  return *baseline;
}

コード例 #6

ファイル: YGAspectRatioTest.cpp プロジェクト: netanelweizman/FlexLayout

static YGSize _measure(YGNodeRef node,
                       float width,
                       YGMeasureMode widthMode,
                       float height,
                       YGMeasureMode heightMode) {
  return YGSize{
      .width = widthMode == YGMeasureModeExactly ? width : 50,
      .height = heightMode == YGMeasureModeExactly ? height : 50,
  };
}

TEST(YogaTest, aspect_ratio_cross_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_main_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_both_dimensions_defined_row) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 100);
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_both_dimensions_defined_column) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 100);
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_align_stretch) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_flex_grow) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_flex_shrink) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 150);
  YGNodeStyleSetFlexShrink(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_flex_shrink_2) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeightPercent(root_child0, 100);
  YGNodeStyleSetFlexShrink(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child1 = YGNodeNew();
  YGNodeStyleSetHeightPercent(root_child1, 100);
  YGNodeStyleSetFlexShrink(root_child1, 1);
  YGNodeStyleSetAspectRatio(root_child1, 1);
  YGNodeInsertChild(root, root_child1, 1);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child1));
  ASSERT_EQ(50, YGNodeLayoutGetTop(root_child1));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child1));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child1));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_basis) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetFlexBasis(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_absolute_layout_width_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetPositionType(root_child0, YGPositionTypeAbsolute);
  YGNodeStyleSetPosition(root_child0, YGEdgeLeft, 0);
  YGNodeStyleSetPosition(root_child0, YGEdgeTop, 0);
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_absolute_layout_height_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetPositionType(root_child0, YGPositionTypeAbsolute);
  YGNodeStyleSetPosition(root_child0, YGEdgeLeft, 0);
  YGNodeStyleSetPosition(root_child0, YGEdgeTop, 0);
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_with_max_cross_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetMaxWidth(root_child0, 40);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(40, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_with_max_main_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetMaxHeight(root_child0, 40);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(40, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(40, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_with_min_cross_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 30);
  YGNodeStyleSetMinWidth(root_child0, 40);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(40, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(30, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_with_min_main_defined) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 30);
  YGNodeStyleSetMinHeight(root_child0, 40);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(40, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(40, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_double_cross) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 2);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_half_cross) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 100);
  YGNodeStyleSetAspectRatio(root_child0, 0.5);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_double_main) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 0.5);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_half_main) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 100);
  YGNodeStyleSetAspectRatio(root_child0, 2);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_with_measure_func) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  root_child0->setMeasureFunc(_measure);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_width_height_flex_grow_row) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 200);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_width_height_flex_grow_column) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 200);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_height_as_flex_basis) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetWidth(root, 200);
  YGNodeStyleSetHeight(root, 200);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child1 = YGNodeNew();
  YGNodeStyleSetHeight(root_child1, 100);
  YGNodeStyleSetFlexGrow(root_child1, 1);
  YGNodeStyleSetAspectRatio(root_child1, 1);
  YGNodeInsertChild(root, root_child1, 1);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(75, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(75, YGNodeLayoutGetHeight(root_child0));

  ASSERT_EQ(75, YGNodeLayoutGetLeft(root_child1));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child1));
  ASSERT_EQ(125, YGNodeLayoutGetWidth(root_child1));
  ASSERT_EQ(125, YGNodeLayoutGetHeight(root_child1));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_width_as_flex_basis) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 200);
  YGNodeStyleSetHeight(root, 200);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child1 = YGNodeNew();
  YGNodeStyleSetWidth(root_child1, 100);
  YGNodeStyleSetFlexGrow(root_child1, 1);
  YGNodeStyleSetAspectRatio(root_child1, 1);
  YGNodeInsertChild(root, root_child1, 1);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(75, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(75, YGNodeLayoutGetHeight(root_child0));

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child1));
  ASSERT_EQ(75, YGNodeLayoutGetTop(root_child1));
  ASSERT_EQ(125, YGNodeLayoutGetWidth(root_child1));
  ASSERT_EQ(125, YGNodeLayoutGetHeight(root_child1));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_overrides_flex_grow_row) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 0.5);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(200, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_overrides_flex_grow_column) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeStyleSetAspectRatio(root_child0, 2);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(200, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_left_right_absolute) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetPositionType(root_child0, YGPositionTypeAbsolute);
  YGNodeStyleSetPosition(root_child0, YGEdgeLeft, 10);
  YGNodeStyleSetPosition(root_child0, YGEdgeTop, 10);
  YGNodeStyleSetPosition(root_child0, YGEdgeRight, 10);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(10, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(10, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(80, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(80, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_top_bottom_absolute) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetPositionType(root_child0, YGPositionTypeAbsolute);
  YGNodeStyleSetPosition(root_child0, YGEdgeLeft, 10);
  YGNodeStyleSetPosition(root_child0, YGEdgeTop, 10);
  YGNodeStyleSetPosition(root_child0, YGEdgeBottom, 10);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(10, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(10, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(80, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(80, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_width_overrides_align_stretch_row) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_height_overrides_align_stretch_column) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(0, YGNodeLayoutGetLeft(root_child0));
  ASSERT_EQ(0, YGNodeLayoutGetTop(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_allow_child_overflow_parent_size) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 4);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(200, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_defined_main_with_margin) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignCenter);
  YGNodeStyleSetJustifyContent(root, YGJustifyCenter);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetHeight(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeStyleSetMargin(root_child0, YGEdgeLeft, 10);
  YGNodeStyleSetMargin(root_child0, YGEdgeRight, 10);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_defined_cross_with_margin) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignCenter);
  YGNodeStyleSetJustifyContent(root, YGJustifyCenter);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeStyleSetMargin(root_child0, YGEdgeLeft, 10);
  YGNodeStyleSetMargin(root_child0, YGEdgeRight, 10);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_defined_cross_with_main_margin) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignCenter);
  YGNodeStyleSetJustifyContent(root, YGJustifyCenter);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetWidth(root_child0, 50);
  YGNodeStyleSetAspectRatio(root_child0, 1);
  YGNodeStyleSetMargin(root_child0, YGEdgeTop, 10);
  YGNodeStyleSetMargin(root_child0, YGEdgeBottom, 10);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(50, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_should_prefer_explicit_height) {
  const YGConfigRef config = YGConfigNew();
  YGConfigSetUseWebDefaults(config, true);

  const YGNodeRef root = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionColumn);

  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root_child0, YGFlexDirectionColumn);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root_child0_child0, YGFlexDirectionColumn);
  YGNodeStyleSetHeight(root_child0_child0, 100);
  YGNodeStyleSetAspectRatio(root_child0_child0, 2);
  YGNodeInsertChild(root_child0, root_child0_child0, 0);

  YGNodeCalculateLayout(root, 100, 200, YGDirectionLTR);

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(200, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  ASSERT_EQ(200, YGNodeLayoutGetWidth(root_child0_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_should_prefer_explicit_width) {
  const YGConfigRef config = YGConfigNew();
  YGConfigSetUseWebDefaults(config, true);

  const YGNodeRef root = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);

  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root_child0, YGFlexDirectionRow);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root_child0_child0, YGFlexDirectionRow);
  YGNodeStyleSetWidth(root_child0_child0, 100);
  YGNodeStyleSetAspectRatio(root_child0_child0, 0.5);
  YGNodeInsertChild(root_child0, root_child0_child0, 0);

  YGNodeCalculateLayout(root, 200, 100, YGDirectionLTR);

  ASSERT_EQ(200, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root_child0));

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0_child0));
  ASSERT_EQ(200, YGNodeLayoutGetHeight(root_child0_child0));

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, aspect_ratio_should_prefer_flexed_dimension) {
  const YGConfigRef config = YGConfigNew();
  YGConfigSetUseWebDefaults(config, true);

  const YGNodeRef root = YGNodeNewWithConfig(config);

  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetFlexDirection(root_child0, YGFlexDirectionColumn);
  YGNodeStyleSetAspectRatio(root_child0, 2);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
  YGNodeStyleSetAspectRatio(root_child0_child0, 4);
  YGNodeStyleSetFlexGrow(root_child0_child0, 1);
  YGNodeInsertChild(root_child0, root_child0_child0, 0);

  YGNodeCalculateLayout(root, 100, 100, YGDirectionLTR);

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root));
  ASSERT_EQ(100, YGNodeLayoutGetHeight(root));

  ASSERT_EQ(100, YGNodeLayoutGetWidth(root_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0));

  ASSERT_EQ(200, YGNodeLayoutGetWidth(root_child0_child0));
  ASSERT_EQ(50, YGNodeLayoutGetHeight(root_child0_child0));

  YGNodeFreeRecursive(root);
}

コード例 #7

ファイル: YGMeasureCacheTest.cpp プロジェクト: netanelweizman/FlexLayout

static YGSize _measureMax(YGNodeRef node,
                          float width,
                          YGMeasureMode widthMode,
                          float height,
                          YGMeasureMode heightMode) {
  int* measureCount = (int*)node->getContext();
  (*measureCount)++;

  return YGSize{
      .width = widthMode == YGMeasureModeUndefined ? 10 : width,
      .height = heightMode == YGMeasureModeUndefined ? 10 : height,
  };
}

static YGSize _measureMin(YGNodeRef node,
                          float width,
                          YGMeasureMode widthMode,
                          float height,
                          YGMeasureMode heightMode) {
  int* measureCount = (int*)node->getContext();
  *measureCount = *measureCount + 1;
  return YGSize{
      .width =
          widthMode == YGMeasureModeUndefined || (widthMode == YGMeasureModeAtMost && width > 10)
              ? 10
              : width,
      .height =
          heightMode == YGMeasureModeUndefined || (heightMode == YGMeasureModeAtMost && height > 10)
              ? 10
              : height,
  };
}

static YGSize _measure_84_49(YGNodeRef node,
                             float width,
                             YGMeasureMode widthMode,
                             float height,
                             YGMeasureMode heightMode) {
  int* measureCount = (int*)node->getContext();
  if (measureCount) {
    (*measureCount)++;
  }

  return YGSize{
      .width = 84.f, .height = 49.f,
  };
}

TEST(YogaTest, measure_once_single_flexible_child) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
  YGNodeStyleSetWidth(root, 100);
  YGNodeStyleSetHeight(root, 100);

  const YGNodeRef root_child0 = YGNodeNew();
  int measureCount = 0;
  root_child0->setContext(&measureCount);
  root_child0->setMeasureFunc(_measureMax);
  YGNodeStyleSetFlexGrow(root_child0, 1);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(1, measureCount);

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, remeasure_with_same_exact_width_larger_than_needed_height) {
  const YGNodeRef root = YGNodeNew();

  const YGNodeRef root_child0 = YGNodeNew();
  int measureCount = 0;
  root_child0->setContext(&measureCount);
  root_child0->setMeasureFunc(_measureMin);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, 100, 100, YGDirectionLTR);
  YGNodeCalculateLayout(root, 100, 50, YGDirectionLTR);

  ASSERT_EQ(1, measureCount);

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, remeasure_with_same_atmost_width_larger_than_needed_height) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);

  const YGNodeRef root_child0 = YGNodeNew();
  int measureCount = 0;
  root_child0->setContext(&measureCount);
  root_child0->setMeasureFunc(_measureMin);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, 100, 100, YGDirectionLTR);
  YGNodeCalculateLayout(root, 100, 50, YGDirectionLTR);

  ASSERT_EQ(1, measureCount);

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, remeasure_with_computed_width_larger_than_needed_height) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);

  const YGNodeRef root_child0 = YGNodeNew();
  int measureCount = 0;
  root_child0->setContext(&measureCount);
  root_child0->setMeasureFunc(_measureMin);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, 100, 100, YGDirectionLTR);
  YGNodeStyleSetAlignItems(root, YGAlignStretch);
  YGNodeCalculateLayout(root, 10, 50, YGDirectionLTR);

  ASSERT_EQ(1, measureCount);

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, remeasure_with_atmost_computed_width_undefined_height) {
  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetAlignItems(root, YGAlignFlexStart);

  const YGNodeRef root_child0 = YGNodeNew();
  int measureCount = 0;
  root_child0->setContext(&measureCount);
  root_child0->setMeasureFunc(_measureMin);
  YGNodeInsertChild(root, root_child0, 0);

  YGNodeCalculateLayout(root, 100, YGUndefined, YGDirectionLTR);
  YGNodeCalculateLayout(root, 10, YGUndefined, YGDirectionLTR);

  ASSERT_EQ(1, measureCount);

  YGNodeFreeRecursive(root);
}

TEST(YogaTest, remeasure_with_already_measured_value_smaller_but_still_float_equal) {
  int measureCount = 0;

  const YGNodeRef root = YGNodeNew();
  YGNodeStyleSetWidth(root, 288.f);
  YGNodeStyleSetHeight(root, 288.f);
  YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);

  const YGNodeRef root_child0 = YGNodeNew();
  YGNodeStyleSetPadding(root_child0, YGEdgeAll, 2.88f);
  YGNodeStyleSetFlexDirection(root_child0, YGFlexDirectionRow);
  YGNodeInsertChild(root, root_child0, 0);

  const YGNodeRef root_child0_child0 = YGNodeNew();
  root_child0_child0->setContext(&measureCount);
  root_child0_child0->setMeasureFunc(_measure_84_49);
  YGNodeInsertChild(root_child0, root_child0_child0, 0);

  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);

  YGNodeFreeRecursive(root);

  ASSERT_EQ(1, measureCount);
}