diff --git a/LottieSample/src/androidTest/java/com/airbnb/lottie/samples/LottieTest.kt b/LottieSample/src/androidTest/java/com/airbnb/lottie/samples/LottieTest.kt
index 30271c3..78c025b 100644
--- a/LottieSample/src/androidTest/java/com/airbnb/lottie/samples/LottieTest.kt
+++ b/LottieSample/src/androidTest/java/com/airbnb/lottie/samples/LottieTest.kt
@@ -108,6 +108,7 @@
             snapshotProdAnimations()
             testNightMode()
             testApplyOpacityToLayer()
+            testOutlineMasksAndMattes()
             snapshotter.finalizeReportAndUpload()
         }
     }
@@ -983,6 +984,23 @@
         }
     }
 
+    private suspend fun testOutlineMasksAndMattes() {
+        withFilmStripView(
+            "Tests/Masks.json",
+            "Outline Masks and Mattes",
+            "Enabled"
+        ) { filmStripView ->
+            filmStripView.setOutlineMasksAndMattes(true)
+        }
+        withFilmStripView(
+            "Tests/OverlapShapeWithOpacity.json",
+            "Apply Opacity To Layer",
+            "Disabled"
+        ) { filmStripView ->
+            filmStripView.setApplyingOpacityToLayersEnabled(false)
+        }
+    }
+
     private suspend fun withDrawable(assetName: String, snapshotName: String, snapshotVariant: String, callback: (LottieDrawable) -> Unit) {
         val result = LottieCompositionFactory.fromAssetSync(application, assetName)
         val composition = result.value
diff --git a/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/views/FilmStripView.kt b/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/views/FilmStripView.kt
index 99bb21a..d93961b 100644
--- a/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/views/FilmStripView.kt
+++ b/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/views/FilmStripView.kt
@@ -40,4 +40,8 @@
     fun setApplyingOpacityToLayersEnabled(isApplyingOpacityToLayersEnabled: Boolean) {
         animationViews.forEach { it.setApplyingOpacityToLayersEnabled(isApplyingOpacityToLayersEnabled) }
     }
+
+    fun setOutlineMasksAndMattes(outline: Boolean) {
+        animationViews.forEach { it.setOutlineMasksAndMattes(outline) }
+    }
 }