diff --git a/sample/src/androidTest/java/com/kizitonwose/calenderviewsample/CalenderViewTests.kt b/sample/src/androidTest/java/com/kizitonwose/calenderviewsample/CalenderViewTests.kt
index 3ddc0dac..8aefae18 100644
--- a/sample/src/androidTest/java/com/kizitonwose/calenderviewsample/CalenderViewTests.kt
+++ b/sample/src/androidTest/java/com/kizitonwose/calenderviewsample/CalenderViewTests.kt
@@ -19,6 +19,7 @@ import com.kizitonwose.calendarview.model.DayOwner
 import com.kizitonwose.calendarview.ui.DayBinder
 import com.kizitonwose.calendarview.ui.MonthHeaderFooterBinder
 import com.kizitonwose.calendarview.ui.ViewContainer
+import com.kizitonwose.calendarview.utils.Size
 import com.kizitonwose.calendarview.utils.yearMonth
 import com.kizitonwose.calendarviewsample.*
 import org.junit.After
@@ -327,6 +328,19 @@ class CalenderViewTests {
         sleep(3000)
     }
 
+    @Test
+    fun deprecatedWidthAndHeightPropertiesWorkAsExpected() {
+        val calendarView = CalendarView(homeScreenRule.activity)
+        calendarView.dayWidth = 7
+        calendarView.dayHeight = 8
+        assertEquals(calendarView.daySize, Size(7, 8))
+
+        val calendarView2 = CalendarView(homeScreenRule.activity)
+        calendarView2.daySize = Size(10, 20)
+        assertEquals(calendarView2.dayWidth, calendarView2.daySize.width)
+        assertEquals(calendarView2.dayHeight, calendarView2.daySize.height)
+    }
+
     private inline fun <reified T : Fragment> findFragment(): T {
         return homeScreenRule.activity.supportFragmentManager
             .findFragmentByTag(T::class.java.simpleName) as T