diff --git a/tests/YGMeasureModeTest.cpp b/tests/YGMeasureModeTest.cpp
index 730247fa..cd5aedba 100644
--- a/tests/YGMeasureModeTest.cpp
+++ b/tests/YGMeasureModeTest.cpp
@@ -283,7 +283,7 @@ TEST(YogaTest, overflow_scroll_column) {
   ASSERT_FLOAT_EQ(100, constraintList.constraints[0].width);
   ASSERT_EQ(YGMeasureModeAtMost, constraintList.constraints[0].widthMode);
 
-  ASSERT_TRUE(YGValueIsUndefined(constraintList.constraints[0].height));
+  ASSERT_TRUE(YGFloatIsUndefined(constraintList.constraints[0].height));
   ASSERT_EQ(YGMeasureModeUndefined, constraintList.constraints[0].heightMode);
 
   free(constraintList.constraints);
@@ -312,7 +312,7 @@ TEST(YogaTest, overflow_scroll_row) {
 
   ASSERT_EQ(1, constraintList.length);
 
-  ASSERT_TRUE(YGValueIsUndefined(constraintList.constraints[0].width));
+  ASSERT_TRUE(YGFloatIsUndefined(constraintList.constraints[0].width));
   ASSERT_EQ(YGMeasureModeUndefined, constraintList.constraints[0].widthMode);
 
   ASSERT_FLOAT_EQ(100, constraintList.constraints[0].height);
diff --git a/tests/YGStyleTest.cpp b/tests/YGStyleTest.cpp
index 4eb7fd60..65747337 100644
--- a/tests/YGStyleTest.cpp
+++ b/tests/YGStyleTest.cpp
@@ -26,7 +26,7 @@ TEST(YogaTest, copy_style_modified) {
   const YGNodeRef node0 = YGNodeNew();
   ASSERT_FALSE(YGNodeIsDirty(node0));
   ASSERT_EQ(YGFlexDirectionColumn, YGNodeStyleGetFlexDirection(node0));
-  ASSERT_TRUE(YGValueIsUndefined(YGNodeStyleGetMaxHeight(node0)));
+  ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetMaxHeight(node0)));
 
   const YGNodeRef node1 = YGNodeNew();
   YGNodeStyleSetFlexDirection(node1, YGFlexDirectionRow);