Fixing using flex in root node

Summary: We should always try to make root node as small as possible, while previously this wasn't functioning this way

Reviewed By: emilsjolander

Differential Revision: D5071164

fbshipit-source-id: b8afef42477d0ed87d0c9fcfd26349e0a0babd6e

csharp/tests/Facebook.Yoga/YGMinMaxDimensionTest.cs

@@ -676,6 +676,203 @@ namespace Facebook.Yoga
             Assert.AreEqual(20f, root_child0_child0.LayoutHeight);
         }
 
+        [Test]
+        public void Test_flex_root_ignored()
+        {
+            YogaConfig config = new YogaConfig();
+
+            YogaNode root = new YogaNode(config);
+            root.FlexGrow = 1;
+            root.Width = 100;
+            root.MinHeight = 100;
+            root.MaxHeight = 500;
+
+            YogaNode root_child0 = new YogaNode(config);
+            root_child0.FlexGrow = 1;
+            root_child0.FlexBasis = 200;
+            root.Insert(0, root_child0);
+
+            YogaNode root_child1 = new YogaNode(config);
+            root_child1.Height = 100;
+            root.Insert(1, root_child1);
+            root.StyleDirection = YogaDirection.LTR;
+            root.CalculateLayout();
+
+            Assert.AreEqual(0f, root.LayoutX);
+            Assert.AreEqual(0f, root.LayoutY);
+            Assert.AreEqual(100f, root.LayoutWidth);
+            Assert.AreEqual(300f, root.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0.LayoutWidth);
+            Assert.AreEqual(200f, root_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child1.LayoutX);
+            Assert.AreEqual(200f, root_child1.LayoutY);
+            Assert.AreEqual(100f, root_child1.LayoutWidth);
+            Assert.AreEqual(100f, root_child1.LayoutHeight);
+
+            root.StyleDirection = YogaDirection.RTL;
+            root.CalculateLayout();
+
+            Assert.AreEqual(0f, root.LayoutX);
+            Assert.AreEqual(0f, root.LayoutY);
+            Assert.AreEqual(100f, root.LayoutWidth);
+            Assert.AreEqual(300f, root.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0.LayoutWidth);
+            Assert.AreEqual(200f, root_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child1.LayoutX);
+            Assert.AreEqual(200f, root_child1.LayoutY);
+            Assert.AreEqual(100f, root_child1.LayoutWidth);
+            Assert.AreEqual(100f, root_child1.LayoutHeight);
+        }
+
+        [Test]
+        public void Test_flex_grow_root_minimized()
+        {
+            YogaConfig config = new YogaConfig();
+
+            YogaNode root = new YogaNode(config);
+            root.Width = 100;
+            root.MinHeight = 100;
+            root.MaxHeight = 500;
+
+            YogaNode root_child0 = new YogaNode(config);
+            root_child0.FlexGrow = 1;
+            root_child0.MinHeight = 100;
+            root_child0.MaxHeight = 500;
+            root.Insert(0, root_child0);
+
+            YogaNode root_child0_child0 = new YogaNode(config);
+            root_child0_child0.FlexGrow = 1;
+            root_child0_child0.FlexBasis = 200;
+            root_child0.Insert(0, root_child0_child0);
+
+            YogaNode root_child0_child1 = new YogaNode(config);
+            root_child0_child1.Height = 100;
+            root_child0.Insert(1, root_child0_child1);
+            root.StyleDirection = YogaDirection.LTR;
+            root.CalculateLayout();
+
+            Assert.AreEqual(0f, root.LayoutX);
+            Assert.AreEqual(0f, root.LayoutY);
+            Assert.AreEqual(100f, root.LayoutWidth);
+            Assert.AreEqual(300f, root.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0.LayoutWidth);
+            Assert.AreEqual(300f, root_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0_child0.LayoutWidth);
+            Assert.AreEqual(200f, root_child0_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child1.LayoutX);
+            Assert.AreEqual(200f, root_child0_child1.LayoutY);
+            Assert.AreEqual(100f, root_child0_child1.LayoutWidth);
+            Assert.AreEqual(100f, root_child0_child1.LayoutHeight);
+
+            root.StyleDirection = YogaDirection.RTL;
+            root.CalculateLayout();
+
+            Assert.AreEqual(0f, root.LayoutX);
+            Assert.AreEqual(0f, root.LayoutY);
+            Assert.AreEqual(100f, root.LayoutWidth);
+            Assert.AreEqual(300f, root.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0.LayoutWidth);
+            Assert.AreEqual(300f, root_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0_child0.LayoutWidth);
+            Assert.AreEqual(200f, root_child0_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child1.LayoutX);
+            Assert.AreEqual(200f, root_child0_child1.LayoutY);
+            Assert.AreEqual(100f, root_child0_child1.LayoutWidth);
+            Assert.AreEqual(100f, root_child0_child1.LayoutHeight);
+        }
+
+        [Test]
+        public void Test_flex_grow_height_maximized()
+        {
+            YogaConfig config = new YogaConfig();
+
+            YogaNode root = new YogaNode(config);
+            root.Width = 100;
+            root.Height = 500;
+
+            YogaNode root_child0 = new YogaNode(config);
+            root_child0.FlexGrow = 1;
+            root_child0.MinHeight = 100;
+            root_child0.MaxHeight = 500;
+            root.Insert(0, root_child0);
+
+            YogaNode root_child0_child0 = new YogaNode(config);
+            root_child0_child0.FlexGrow = 1;
+            root_child0_child0.FlexBasis = 200;
+            root_child0.Insert(0, root_child0_child0);
+
+            YogaNode root_child0_child1 = new YogaNode(config);
+            root_child0_child1.Height = 100;
+            root_child0.Insert(1, root_child0_child1);
+            root.StyleDirection = YogaDirection.LTR;
+            root.CalculateLayout();
+
+            Assert.AreEqual(0f, root.LayoutX);
+            Assert.AreEqual(0f, root.LayoutY);
+            Assert.AreEqual(100f, root.LayoutWidth);
+            Assert.AreEqual(500f, root.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0.LayoutWidth);
+            Assert.AreEqual(500f, root_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0_child0.LayoutWidth);
+            Assert.AreEqual(400f, root_child0_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child1.LayoutX);
+            Assert.AreEqual(400f, root_child0_child1.LayoutY);
+            Assert.AreEqual(100f, root_child0_child1.LayoutWidth);
+            Assert.AreEqual(100f, root_child0_child1.LayoutHeight);
+
+            root.StyleDirection = YogaDirection.RTL;
+            root.CalculateLayout();
+
+            Assert.AreEqual(0f, root.LayoutX);
+            Assert.AreEqual(0f, root.LayoutY);
+            Assert.AreEqual(100f, root.LayoutWidth);
+            Assert.AreEqual(500f, root.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0.LayoutWidth);
+            Assert.AreEqual(500f, root_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child0.LayoutX);
+            Assert.AreEqual(0f, root_child0_child0.LayoutY);
+            Assert.AreEqual(100f, root_child0_child0.LayoutWidth);
+            Assert.AreEqual(400f, root_child0_child0.LayoutHeight);
+
+            Assert.AreEqual(0f, root_child0_child1.LayoutX);
+            Assert.AreEqual(400f, root_child0_child1.LayoutY);
+            Assert.AreEqual(100f, root_child0_child1.LayoutWidth);
+            Assert.AreEqual(100f, root_child0_child1.LayoutHeight);
+        }
+
         [Test]
         public void Test_flex_grow_within_constrained_min_row()
         {

gentest/fixtures/YGMinMaxDimensionTest.html

@@ -62,6 +62,25 @@
   </div>
 </div>
 
+<div id="flex_root_ignored" style="width: 100px; min-height: 100px; max-height:500px;flex-grow:1">
+  <div style="flex-basis:200px; flex-grow:1;"></div>
+  <div style="height:100px; "></div>
+</div>
+
+<div id="flex_grow_root_minimized" style="width: 100px; min-height: 100px; max-height:500px">
+  <div style="min-height: 100px; max-height:500px;flex-grow:1">
+    <div style="flex-basis:200px; flex-grow:1;"></div>
+    <div style="height:100px; "></div>
+  </div>
+</div>
+
+<div id="flex_grow_height_maximized" style="width: 100px; height:500px">
+  <div style="min-height: 100px; max-height:500px;flex-grow:1">
+    <div style="flex-basis:200px; flex-grow:1;"></div>
+    <div style="height:100px; "></div>
+  </div>
+</div>
+
 <div id="flex_grow_within_constrained_min_row" style="min-width: 100px; height:100px; flex-direction: row;">
   <div style="flex-grow:1;"></div>
   <div style="width: 50px;"></div>

java/tests/com/facebook/yoga/YGMinMaxDimensionTest.java

@@ -662,6 +662,200 @@ public class YGMinMaxDimensionTest {
     assertEquals(20f, root_child0_child0.getLayoutHeight(), 0.0f);
   }
 
+  @Test
+  public void test_flex_root_ignored() {
+    YogaConfig config = new YogaConfig();
+
+    final YogaNode root = new YogaNode(config);
+    root.setFlexGrow(1f);
+    root.setWidth(100f);
+    root.setMinHeight(100f);
+    root.setMaxHeight(500f);
+
+    final YogaNode root_child0 = new YogaNode(config);
+    root_child0.setFlexGrow(1f);
+    root_child0.setFlexBasis(200f);
+    root.addChildAt(root_child0, 0);
+
+    final YogaNode root_child1 = new YogaNode(config);
+    root_child1.setHeight(100f);
+    root.addChildAt(root_child1, 1);
+    root.setDirection(YogaDirection.LTR);
+    root.calculateLayout(YogaConstants.UNDEFINED, YogaConstants.UNDEFINED);
+
+    assertEquals(0f, root.getLayoutX(), 0.0f);
+    assertEquals(0f, root.getLayoutY(), 0.0f);
+    assertEquals(100f, root.getLayoutWidth(), 0.0f);
+    assertEquals(300f, root.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0.getLayoutWidth(), 0.0f);
+    assertEquals(200f, root_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child1.getLayoutX(), 0.0f);
+    assertEquals(200f, root_child1.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child1.getLayoutWidth(), 0.0f);
+    assertEquals(100f, root_child1.getLayoutHeight(), 0.0f);
+
+    root.setDirection(YogaDirection.RTL);
+    root.calculateLayout(YogaConstants.UNDEFINED, YogaConstants.UNDEFINED);
+
+    assertEquals(0f, root.getLayoutX(), 0.0f);
+    assertEquals(0f, root.getLayoutY(), 0.0f);
+    assertEquals(100f, root.getLayoutWidth(), 0.0f);
+    assertEquals(300f, root.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0.getLayoutWidth(), 0.0f);
+    assertEquals(200f, root_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child1.getLayoutX(), 0.0f);
+    assertEquals(200f, root_child1.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child1.getLayoutWidth(), 0.0f);
+    assertEquals(100f, root_child1.getLayoutHeight(), 0.0f);
+  }
+
+  @Test
+  public void test_flex_grow_root_minimized() {
+    YogaConfig config = new YogaConfig();
+
+    final YogaNode root = new YogaNode(config);
+    root.setWidth(100f);
+    root.setMinHeight(100f);
+    root.setMaxHeight(500f);
+
+    final YogaNode root_child0 = new YogaNode(config);
+    root_child0.setFlexGrow(1f);
+    root_child0.setMinHeight(100f);
+    root_child0.setMaxHeight(500f);
+    root.addChildAt(root_child0, 0);
+
+    final YogaNode root_child0_child0 = new YogaNode(config);
+    root_child0_child0.setFlexGrow(1f);
+    root_child0_child0.setFlexBasis(200f);
+    root_child0.addChildAt(root_child0_child0, 0);
+
+    final YogaNode root_child0_child1 = new YogaNode(config);
+    root_child0_child1.setHeight(100f);
+    root_child0.addChildAt(root_child0_child1, 1);
+    root.setDirection(YogaDirection.LTR);
+    root.calculateLayout(YogaConstants.UNDEFINED, YogaConstants.UNDEFINED);
+
+    assertEquals(0f, root.getLayoutX(), 0.0f);
+    assertEquals(0f, root.getLayoutY(), 0.0f);
+    assertEquals(100f, root.getLayoutWidth(), 0.0f);
+    assertEquals(300f, root.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0.getLayoutWidth(), 0.0f);
+    assertEquals(300f, root_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child0.getLayoutWidth(), 0.0f);
+    assertEquals(200f, root_child0_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child1.getLayoutX(), 0.0f);
+    assertEquals(200f, root_child0_child1.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutWidth(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutHeight(), 0.0f);
+
+    root.setDirection(YogaDirection.RTL);
+    root.calculateLayout(YogaConstants.UNDEFINED, YogaConstants.UNDEFINED);
+
+    assertEquals(0f, root.getLayoutX(), 0.0f);
+    assertEquals(0f, root.getLayoutY(), 0.0f);
+    assertEquals(100f, root.getLayoutWidth(), 0.0f);
+    assertEquals(300f, root.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0.getLayoutWidth(), 0.0f);
+    assertEquals(300f, root_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child0.getLayoutWidth(), 0.0f);
+    assertEquals(200f, root_child0_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child1.getLayoutX(), 0.0f);
+    assertEquals(200f, root_child0_child1.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutWidth(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutHeight(), 0.0f);
+  }
+
+  @Test
+  public void test_flex_grow_height_maximized() {
+    YogaConfig config = new YogaConfig();
+
+    final YogaNode root = new YogaNode(config);
+    root.setWidth(100f);
+    root.setHeight(500f);
+
+    final YogaNode root_child0 = new YogaNode(config);
+    root_child0.setFlexGrow(1f);
+    root_child0.setMinHeight(100f);
+    root_child0.setMaxHeight(500f);
+    root.addChildAt(root_child0, 0);
+
+    final YogaNode root_child0_child0 = new YogaNode(config);
+    root_child0_child0.setFlexGrow(1f);
+    root_child0_child0.setFlexBasis(200f);
+    root_child0.addChildAt(root_child0_child0, 0);
+
+    final YogaNode root_child0_child1 = new YogaNode(config);
+    root_child0_child1.setHeight(100f);
+    root_child0.addChildAt(root_child0_child1, 1);
+    root.setDirection(YogaDirection.LTR);
+    root.calculateLayout(YogaConstants.UNDEFINED, YogaConstants.UNDEFINED);
+
+    assertEquals(0f, root.getLayoutX(), 0.0f);
+    assertEquals(0f, root.getLayoutY(), 0.0f);
+    assertEquals(100f, root.getLayoutWidth(), 0.0f);
+    assertEquals(500f, root.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0.getLayoutWidth(), 0.0f);
+    assertEquals(500f, root_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child0.getLayoutWidth(), 0.0f);
+    assertEquals(400f, root_child0_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child1.getLayoutX(), 0.0f);
+    assertEquals(400f, root_child0_child1.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutWidth(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutHeight(), 0.0f);
+
+    root.setDirection(YogaDirection.RTL);
+    root.calculateLayout(YogaConstants.UNDEFINED, YogaConstants.UNDEFINED);
+
+    assertEquals(0f, root.getLayoutX(), 0.0f);
+    assertEquals(0f, root.getLayoutY(), 0.0f);
+    assertEquals(100f, root.getLayoutWidth(), 0.0f);
+    assertEquals(500f, root.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0.getLayoutWidth(), 0.0f);
+    assertEquals(500f, root_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child0.getLayoutX(), 0.0f);
+    assertEquals(0f, root_child0_child0.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child0.getLayoutWidth(), 0.0f);
+    assertEquals(400f, root_child0_child0.getLayoutHeight(), 0.0f);
+
+    assertEquals(0f, root_child0_child1.getLayoutX(), 0.0f);
+    assertEquals(400f, root_child0_child1.getLayoutY(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutWidth(), 0.0f);
+    assertEquals(100f, root_child0_child1.getLayoutHeight(), 0.0f);
+  }
+
   @Test
   public void test_flex_grow_within_constrained_min_row() {
     YogaConfig config = new YogaConfig();

javascript/tests/Facebook.Yoga/YGMinMaxDimensionTest.js

@@ -709,6 +709,212 @@ it("flex_grow_within_constrained_max_width", function () {
     config.free();
   }
 });
+it("flex_root_ignored", function () {
+  var config = Yoga.Config.create();
+
+  try {
+    var root = Yoga.Node.create(config);
+    root.setFlexGrow(1);
+    root.setWidth(100);
+    root.setMinHeight(100);
+    root.setMaxHeight(500);
+
+    var root_child0 = Yoga.Node.create(config);
+    root_child0.setFlexGrow(1);
+    root_child0.setFlexBasis(200);
+    root.insertChild(root_child0, 0);
+
+    var root_child1 = Yoga.Node.create(config);
+    root_child1.setHeight(100);
+    root.insertChild(root_child1, 1);
+    root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_LTR);
+
+    console.assert(0 === root.getComputedLeft(), "0 === root.getComputedLeft() (" + root.getComputedLeft() + ")");
+    console.assert(0 === root.getComputedTop(), "0 === root.getComputedTop() (" + root.getComputedTop() + ")");
+    console.assert(100 === root.getComputedWidth(), "100 === root.getComputedWidth() (" + root.getComputedWidth() + ")");
+    console.assert(300 === root.getComputedHeight(), "300 === root.getComputedHeight() (" + root.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0.getComputedLeft(), "0 === root_child0.getComputedLeft() (" + root_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0.getComputedTop(), "0 === root_child0.getComputedTop() (" + root_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0.getComputedWidth(), "100 === root_child0.getComputedWidth() (" + root_child0.getComputedWidth() + ")");
+    console.assert(200 === root_child0.getComputedHeight(), "200 === root_child0.getComputedHeight() (" + root_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child1.getComputedLeft(), "0 === root_child1.getComputedLeft() (" + root_child1.getComputedLeft() + ")");
+    console.assert(200 === root_child1.getComputedTop(), "200 === root_child1.getComputedTop() (" + root_child1.getComputedTop() + ")");
+    console.assert(100 === root_child1.getComputedWidth(), "100 === root_child1.getComputedWidth() (" + root_child1.getComputedWidth() + ")");
+    console.assert(100 === root_child1.getComputedHeight(), "100 === root_child1.getComputedHeight() (" + root_child1.getComputedHeight() + ")");
+
+    root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_RTL);
+
+    console.assert(0 === root.getComputedLeft(), "0 === root.getComputedLeft() (" + root.getComputedLeft() + ")");
+    console.assert(0 === root.getComputedTop(), "0 === root.getComputedTop() (" + root.getComputedTop() + ")");
+    console.assert(100 === root.getComputedWidth(), "100 === root.getComputedWidth() (" + root.getComputedWidth() + ")");
+    console.assert(300 === root.getComputedHeight(), "300 === root.getComputedHeight() (" + root.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0.getComputedLeft(), "0 === root_child0.getComputedLeft() (" + root_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0.getComputedTop(), "0 === root_child0.getComputedTop() (" + root_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0.getComputedWidth(), "100 === root_child0.getComputedWidth() (" + root_child0.getComputedWidth() + ")");
+    console.assert(200 === root_child0.getComputedHeight(), "200 === root_child0.getComputedHeight() (" + root_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child1.getComputedLeft(), "0 === root_child1.getComputedLeft() (" + root_child1.getComputedLeft() + ")");
+    console.assert(200 === root_child1.getComputedTop(), "200 === root_child1.getComputedTop() (" + root_child1.getComputedTop() + ")");
+    console.assert(100 === root_child1.getComputedWidth(), "100 === root_child1.getComputedWidth() (" + root_child1.getComputedWidth() + ")");
+    console.assert(100 === root_child1.getComputedHeight(), "100 === root_child1.getComputedHeight() (" + root_child1.getComputedHeight() + ")");
+  } finally {
+    if (typeof root !== "undefined") {
+      root.freeRecursive();
+    }
+
+    config.free();
+  }
+});
+it("flex_grow_root_minimized", function () {
+  var config = Yoga.Config.create();
+
+  try {
+    var root = Yoga.Node.create(config);
+    root.setWidth(100);
+    root.setMinHeight(100);
+    root.setMaxHeight(500);
+
+    var root_child0 = Yoga.Node.create(config);
+    root_child0.setFlexGrow(1);
+    root_child0.setMinHeight(100);
+    root_child0.setMaxHeight(500);
+    root.insertChild(root_child0, 0);
+
+    var root_child0_child0 = Yoga.Node.create(config);
+    root_child0_child0.setFlexGrow(1);
+    root_child0_child0.setFlexBasis(200);
+    root_child0.insertChild(root_child0_child0, 0);
+
+    var root_child0_child1 = Yoga.Node.create(config);
+    root_child0_child1.setHeight(100);
+    root_child0.insertChild(root_child0_child1, 1);
+    root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_LTR);
+
+    console.assert(0 === root.getComputedLeft(), "0 === root.getComputedLeft() (" + root.getComputedLeft() + ")");
+    console.assert(0 === root.getComputedTop(), "0 === root.getComputedTop() (" + root.getComputedTop() + ")");
+    console.assert(100 === root.getComputedWidth(), "100 === root.getComputedWidth() (" + root.getComputedWidth() + ")");
+    console.assert(300 === root.getComputedHeight(), "300 === root.getComputedHeight() (" + root.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0.getComputedLeft(), "0 === root_child0.getComputedLeft() (" + root_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0.getComputedTop(), "0 === root_child0.getComputedTop() (" + root_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0.getComputedWidth(), "100 === root_child0.getComputedWidth() (" + root_child0.getComputedWidth() + ")");
+    console.assert(300 === root_child0.getComputedHeight(), "300 === root_child0.getComputedHeight() (" + root_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child0.getComputedLeft(), "0 === root_child0_child0.getComputedLeft() (" + root_child0_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0_child0.getComputedTop(), "0 === root_child0_child0.getComputedTop() (" + root_child0_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0_child0.getComputedWidth(), "100 === root_child0_child0.getComputedWidth() (" + root_child0_child0.getComputedWidth() + ")");
+    console.assert(200 === root_child0_child0.getComputedHeight(), "200 === root_child0_child0.getComputedHeight() (" + root_child0_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child1.getComputedLeft(), "0 === root_child0_child1.getComputedLeft() (" + root_child0_child1.getComputedLeft() + ")");
+    console.assert(200 === root_child0_child1.getComputedTop(), "200 === root_child0_child1.getComputedTop() (" + root_child0_child1.getComputedTop() + ")");
+    console.assert(100 === root_child0_child1.getComputedWidth(), "100 === root_child0_child1.getComputedWidth() (" + root_child0_child1.getComputedWidth() + ")");
+    console.assert(100 === root_child0_child1.getComputedHeight(), "100 === root_child0_child1.getComputedHeight() (" + root_child0_child1.getComputedHeight() + ")");
+
+    root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_RTL);
+
+    console.assert(0 === root.getComputedLeft(), "0 === root.getComputedLeft() (" + root.getComputedLeft() + ")");
+    console.assert(0 === root.getComputedTop(), "0 === root.getComputedTop() (" + root.getComputedTop() + ")");
+    console.assert(100 === root.getComputedWidth(), "100 === root.getComputedWidth() (" + root.getComputedWidth() + ")");
+    console.assert(300 === root.getComputedHeight(), "300 === root.getComputedHeight() (" + root.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0.getComputedLeft(), "0 === root_child0.getComputedLeft() (" + root_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0.getComputedTop(), "0 === root_child0.getComputedTop() (" + root_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0.getComputedWidth(), "100 === root_child0.getComputedWidth() (" + root_child0.getComputedWidth() + ")");
+    console.assert(300 === root_child0.getComputedHeight(), "300 === root_child0.getComputedHeight() (" + root_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child0.getComputedLeft(), "0 === root_child0_child0.getComputedLeft() (" + root_child0_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0_child0.getComputedTop(), "0 === root_child0_child0.getComputedTop() (" + root_child0_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0_child0.getComputedWidth(), "100 === root_child0_child0.getComputedWidth() (" + root_child0_child0.getComputedWidth() + ")");
+    console.assert(200 === root_child0_child0.getComputedHeight(), "200 === root_child0_child0.getComputedHeight() (" + root_child0_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child1.getComputedLeft(), "0 === root_child0_child1.getComputedLeft() (" + root_child0_child1.getComputedLeft() + ")");
+    console.assert(200 === root_child0_child1.getComputedTop(), "200 === root_child0_child1.getComputedTop() (" + root_child0_child1.getComputedTop() + ")");
+    console.assert(100 === root_child0_child1.getComputedWidth(), "100 === root_child0_child1.getComputedWidth() (" + root_child0_child1.getComputedWidth() + ")");
+    console.assert(100 === root_child0_child1.getComputedHeight(), "100 === root_child0_child1.getComputedHeight() (" + root_child0_child1.getComputedHeight() + ")");
+  } finally {
+    if (typeof root !== "undefined") {
+      root.freeRecursive();
+    }
+
+    config.free();
+  }
+});
+it("flex_grow_height_maximized", function () {
+  var config = Yoga.Config.create();
+
+  try {
+    var root = Yoga.Node.create(config);
+    root.setWidth(100);
+    root.setHeight(500);
+
+    var root_child0 = Yoga.Node.create(config);
+    root_child0.setFlexGrow(1);
+    root_child0.setMinHeight(100);
+    root_child0.setMaxHeight(500);
+    root.insertChild(root_child0, 0);
+
+    var root_child0_child0 = Yoga.Node.create(config);
+    root_child0_child0.setFlexGrow(1);
+    root_child0_child0.setFlexBasis(200);
+    root_child0.insertChild(root_child0_child0, 0);
+
+    var root_child0_child1 = Yoga.Node.create(config);
+    root_child0_child1.setHeight(100);
+    root_child0.insertChild(root_child0_child1, 1);
+    root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_LTR);
+
+    console.assert(0 === root.getComputedLeft(), "0 === root.getComputedLeft() (" + root.getComputedLeft() + ")");
+    console.assert(0 === root.getComputedTop(), "0 === root.getComputedTop() (" + root.getComputedTop() + ")");
+    console.assert(100 === root.getComputedWidth(), "100 === root.getComputedWidth() (" + root.getComputedWidth() + ")");
+    console.assert(500 === root.getComputedHeight(), "500 === root.getComputedHeight() (" + root.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0.getComputedLeft(), "0 === root_child0.getComputedLeft() (" + root_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0.getComputedTop(), "0 === root_child0.getComputedTop() (" + root_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0.getComputedWidth(), "100 === root_child0.getComputedWidth() (" + root_child0.getComputedWidth() + ")");
+    console.assert(500 === root_child0.getComputedHeight(), "500 === root_child0.getComputedHeight() (" + root_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child0.getComputedLeft(), "0 === root_child0_child0.getComputedLeft() (" + root_child0_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0_child0.getComputedTop(), "0 === root_child0_child0.getComputedTop() (" + root_child0_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0_child0.getComputedWidth(), "100 === root_child0_child0.getComputedWidth() (" + root_child0_child0.getComputedWidth() + ")");
+    console.assert(400 === root_child0_child0.getComputedHeight(), "400 === root_child0_child0.getComputedHeight() (" + root_child0_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child1.getComputedLeft(), "0 === root_child0_child1.getComputedLeft() (" + root_child0_child1.getComputedLeft() + ")");
+    console.assert(400 === root_child0_child1.getComputedTop(), "400 === root_child0_child1.getComputedTop() (" + root_child0_child1.getComputedTop() + ")");
+    console.assert(100 === root_child0_child1.getComputedWidth(), "100 === root_child0_child1.getComputedWidth() (" + root_child0_child1.getComputedWidth() + ")");
+    console.assert(100 === root_child0_child1.getComputedHeight(), "100 === root_child0_child1.getComputedHeight() (" + root_child0_child1.getComputedHeight() + ")");
+
+    root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_RTL);
+
+    console.assert(0 === root.getComputedLeft(), "0 === root.getComputedLeft() (" + root.getComputedLeft() + ")");
+    console.assert(0 === root.getComputedTop(), "0 === root.getComputedTop() (" + root.getComputedTop() + ")");
+    console.assert(100 === root.getComputedWidth(), "100 === root.getComputedWidth() (" + root.getComputedWidth() + ")");
+    console.assert(500 === root.getComputedHeight(), "500 === root.getComputedHeight() (" + root.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0.getComputedLeft(), "0 === root_child0.getComputedLeft() (" + root_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0.getComputedTop(), "0 === root_child0.getComputedTop() (" + root_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0.getComputedWidth(), "100 === root_child0.getComputedWidth() (" + root_child0.getComputedWidth() + ")");
+    console.assert(500 === root_child0.getComputedHeight(), "500 === root_child0.getComputedHeight() (" + root_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child0.getComputedLeft(), "0 === root_child0_child0.getComputedLeft() (" + root_child0_child0.getComputedLeft() + ")");
+    console.assert(0 === root_child0_child0.getComputedTop(), "0 === root_child0_child0.getComputedTop() (" + root_child0_child0.getComputedTop() + ")");
+    console.assert(100 === root_child0_child0.getComputedWidth(), "100 === root_child0_child0.getComputedWidth() (" + root_child0_child0.getComputedWidth() + ")");
+    console.assert(400 === root_child0_child0.getComputedHeight(), "400 === root_child0_child0.getComputedHeight() (" + root_child0_child0.getComputedHeight() + ")");
+
+    console.assert(0 === root_child0_child1.getComputedLeft(), "0 === root_child0_child1.getComputedLeft() (" + root_child0_child1.getComputedLeft() + ")");
+    console.assert(400 === root_child0_child1.getComputedTop(), "400 === root_child0_child1.getComputedTop() (" + root_child0_child1.getComputedTop() + ")");
+    console.assert(100 === root_child0_child1.getComputedWidth(), "100 === root_child0_child1.getComputedWidth() (" + root_child0_child1.getComputedWidth() + ")");
+    console.assert(100 === root_child0_child1.getComputedHeight(), "100 === root_child0_child1.getComputedHeight() (" + root_child0_child1.getComputedHeight() + ")");
+  } finally {
+    if (typeof root !== "undefined") {
+      root.freeRecursive();
+    }
+
+    config.free();
+  }
+});
 it("flex_grow_within_constrained_min_row", function () {
   var config = Yoga.Config.create();
 

tests/YGMinMaxDimensionTest.cpp

@@ -671,6 +671,203 @@ TEST(YogaTest, flex_grow_within_constrained_max_width) {
   YGConfigFree(config);
 }
 
+TEST(YogaTest, flex_root_ignored) {
+  const YGConfigRef config = YGConfigNew();
+
+  const YGNodeRef root = YGNodeNewWithConfig(config);
+  YGNodeStyleSetFlexGrow(root, 1);
+  YGNodeStyleSetWidth(root, 100);
+  YGNodeStyleSetMinHeight(root, 100);
+  YGNodeStyleSetMaxHeight(root, 500);
+
+  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetFlexGrow(root_child0, 1);
+  YGNodeStyleSetFlexBasis(root_child0, 200);
+  YGNodeInsertChild(root, root_child0, 0);
+
+  const YGNodeRef root_child1 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetHeight(root_child1, 100);
+  YGNodeInsertChild(root, root_child1, 1);
+  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(300, YGNodeLayoutGetHeight(root));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetTop(root_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child1));
+
+  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root));
+  ASSERT_FLOAT_EQ(300, YGNodeLayoutGetHeight(root));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetTop(root_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child1));
+
+  YGNodeFreeRecursive(root);
+
+  YGConfigFree(config);
+}
+
+TEST(YogaTest, flex_grow_root_minimized) {
+  const YGConfigRef config = YGConfigNew();
+
+  const YGNodeRef root = YGNodeNewWithConfig(config);
+  YGNodeStyleSetWidth(root, 100);
+  YGNodeStyleSetMinHeight(root, 100);
+  YGNodeStyleSetMaxHeight(root, 500);
+
+  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetFlexGrow(root_child0, 1);
+  YGNodeStyleSetMinHeight(root_child0, 100);
+  YGNodeStyleSetMaxHeight(root_child0, 500);
+  YGNodeInsertChild(root, root_child0, 0);
+
+  const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetFlexGrow(root_child0_child0, 1);
+  YGNodeStyleSetFlexBasis(root_child0_child0, 200);
+  YGNodeInsertChild(root_child0, root_child0_child0, 0);
+
+  const YGNodeRef root_child0_child1 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetHeight(root_child0_child1, 100);
+  YGNodeInsertChild(root_child0, root_child0_child1, 1);
+  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(300, YGNodeLayoutGetHeight(root));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
+  ASSERT_FLOAT_EQ(300, YGNodeLayoutGetHeight(root_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child0));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child0_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child1));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetTop(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child0_child1));
+
+  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root));
+  ASSERT_FLOAT_EQ(300, YGNodeLayoutGetHeight(root));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
+  ASSERT_FLOAT_EQ(300, YGNodeLayoutGetHeight(root_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child0));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child0_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child1));
+  ASSERT_FLOAT_EQ(200, YGNodeLayoutGetTop(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child0_child1));
+
+  YGNodeFreeRecursive(root);
+
+  YGConfigFree(config);
+}
+
+TEST(YogaTest, flex_grow_height_maximized) {
+  const YGConfigRef config = YGConfigNew();
+
+  const YGNodeRef root = YGNodeNewWithConfig(config);
+  YGNodeStyleSetWidth(root, 100);
+  YGNodeStyleSetHeight(root, 500);
+
+  const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetFlexGrow(root_child0, 1);
+  YGNodeStyleSetMinHeight(root_child0, 100);
+  YGNodeStyleSetMaxHeight(root_child0, 500);
+  YGNodeInsertChild(root, root_child0, 0);
+
+  const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetFlexGrow(root_child0_child0, 1);
+  YGNodeStyleSetFlexBasis(root_child0_child0, 200);
+  YGNodeInsertChild(root_child0, root_child0_child0, 0);
+
+  const YGNodeRef root_child0_child1 = YGNodeNewWithConfig(config);
+  YGNodeStyleSetHeight(root_child0_child1, 100);
+  YGNodeInsertChild(root_child0, root_child0_child1, 1);
+  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(500, YGNodeLayoutGetHeight(root));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
+  ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child0));
+  ASSERT_FLOAT_EQ(400, YGNodeLayoutGetHeight(root_child0_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child1));
+  ASSERT_FLOAT_EQ(400, YGNodeLayoutGetTop(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child0_child1));
+
+  YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root));
+  ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
+  ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0));
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child0));
+  ASSERT_FLOAT_EQ(400, YGNodeLayoutGetHeight(root_child0_child0));
+
+  ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child1));
+  ASSERT_FLOAT_EQ(400, YGNodeLayoutGetTop(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0_child1));
+  ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child0_child1));
+
+  YGNodeFreeRecursive(root);
+
+  YGConfigFree(config);
+}
+
 TEST(YogaTest, flex_grow_within_constrained_min_row) {
   const YGConfigRef config = YGConfigNew();
 

yoga/Yoga.c

@@ -525,6 +525,10 @@ void YGNodeCopyStyle(const YGNodeRef dstNode, const YGNodeRef srcNode) {
 }
 
 static inline float YGResolveFlexGrow(const YGNodeRef node) {
+  // Root nodes flexGrow should always be 0
+  if (node->parent == NULL) {
+    return 0.0;
+  }
   if (!YGFloatIsUndefined(node->style.flexGrow)) {
     return node->style.flexGrow;
   }
@@ -545,6 +549,10 @@ float YGNodeStyleGetFlexShrink(const YGNodeRef node) {
 }
 
 static inline float YGNodeResolveFlexShrink(const YGNodeRef node) {
+  // Root nodes flexShrink should always be 0
+  if (node->parent == NULL) {
+    return 0.0;
+  }
   if (!YGFloatIsUndefined(node->style.flexShrink)) {
     return node->style.flexShrink;
   }
@@ -2293,7 +2301,7 @@ static void YGNodelayoutImpl(const YGNodeRef node,
         if (!node->config->useLegacyStretchBehaviour &&
             (totalFlexGrowFactors == 0 || YGResolveFlexGrow(node) == 0)) {
           // If we don't have any children to flex or we can't flex the node itself,
-          // space we've used is all space we need
+          // space we've used is all space we need. Root node also should be shrunk to minimum
           availableInnerMainDim = sizeConsumedOnCurrentLine;
         }
       }