diff --git a/tests/YGStyleTest.cpp b/tests/YGStyleTest.cpp
index 65747337..bc1d13fc 100644
--- a/tests/YGStyleTest.cpp
+++ b/tests/YGStyleTest.cpp
@@ -26,16 +26,16 @@ TEST(YogaTest, copy_style_modified) {
   const YGNodeRef node0 = YGNodeNew();
   ASSERT_FALSE(YGNodeIsDirty(node0));
   ASSERT_EQ(YGFlexDirectionColumn, YGNodeStyleGetFlexDirection(node0));
-  ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetMaxHeight(node0)));
+  ASSERT_FALSE(YGNodeStyleGetMaxHeight(node0).defined);
 
   const YGNodeRef node1 = YGNodeNew();
   YGNodeStyleSetFlexDirection(node1, YGFlexDirectionRow);
-  YGNodeStyleSetMaxHeight(node1, 10);
+  YGNodeStyleSetMaxHeight(node1, YGPx(10));
 
   YGNodeCopyStyle(node0, node1);
   ASSERT_TRUE(YGNodeIsDirty(node0));
   ASSERT_EQ(YGFlexDirectionRow, YGNodeStyleGetFlexDirection(node0));
-  ASSERT_FLOAT_EQ(10, YGNodeStyleGetMaxHeight(node0));
+  ASSERT_FLOAT_EQ(10, YGNodeStyleGetMaxHeight(node0).value);
 
   YGNodeFree(node0);
   YGNodeFree(node1);
@@ -44,13 +44,13 @@ TEST(YogaTest, copy_style_modified) {
 TEST(YogaTest, copy_style_modified_same) {
   const YGNodeRef node0 = YGNodeNew();
   YGNodeStyleSetFlexDirection(node0, YGFlexDirectionRow);
-  YGNodeStyleSetMaxHeight(node0, 10);
+  YGNodeStyleSetMaxHeight(node0, YGPx(10));
   YGNodeCalculateLayout(node0, YGUndefined, YGUndefined, YGDirectionLTR);
   ASSERT_FALSE(YGNodeIsDirty(node0));
 
   const YGNodeRef node1 = YGNodeNew();
   YGNodeStyleSetFlexDirection(node1, YGFlexDirectionRow);
-  YGNodeStyleSetMaxHeight(node1, 10);
+  YGNodeStyleSetMaxHeight(node1, YGPx(10));
 
   YGNodeCopyStyle(node0, node1);
   ASSERT_FALSE(YGNodeIsDirty(node0));