diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt
index bf2c0a65c0cec..5dacdbf4b6383 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt
@@ -44,10 +44,58 @@ fun FlickerTestParameter.appPairsDividerBecomesVisible() {
 }
 
 fun FlickerTestParameter.splitScreenDividerBecomesVisible() {
+    layerBecomesVisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+}
+
+fun FlickerTestParameter.layerBecomesVisible(
+    component: FlickerComponentName
+) {
     assertLayers {
-        this.isInvisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+        this.isInvisible(component)
             .then()
-            .isVisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+            .isVisible(component)
+    }
+}
+
+fun FlickerTestParameter.layerIsVisibleAtEnd(
+    component: FlickerComponentName
+) {
+    assertLayersEnd {
+        this.isVisible(component)
+    }
+}
+
+fun FlickerTestParameter.splitAppLayerBoundsBecomesVisible(
+    rotation: Int,
+    component: FlickerComponentName,
+    splitLeftTop: Boolean
+) {
+    assertLayers {
+        this.isInvisible(component)
+            .then()
+            .invoke("splitAppLayerBoundsBecomesVisible") {
+                val dividerRegion = it.layer(SPLIT_SCREEN_DIVIDER_COMPONENT).visibleRegion.region
+                it.visibleRegion(component).overlaps(if (splitLeftTop) {
+                    getSplitLeftTopRegion(dividerRegion, rotation)
+                } else {
+                    getSplitRightBottomRegion(dividerRegion, rotation)
+                })
+            }
+    }
+}
+
+fun FlickerTestParameter.splitAppLayerBoundsIsVisibleAtEnd(
+    rotation: Int,
+    component: FlickerComponentName,
+    splitLeftTop: Boolean
+) {
+    assertLayersEnd {
+        val dividerRegion = layer(SPLIT_SCREEN_DIVIDER_COMPONENT).visibleRegion.region
+        visibleRegion(component).overlaps(if (splitLeftTop) {
+            getSplitLeftTopRegion(dividerRegion, rotation)
+        } else {
+            getSplitRightBottomRegion(dividerRegion, rotation)
+        })
     }
 }
 
@@ -161,4 +209,24 @@ fun getSecondaryRegion(dividerRegion: Region, rotation: Int): Region {
         Region.from(dividerRegion.bounds.right - WindowUtils.dockedStackDividerInset, 0,
             displayBounds.bounds.right, displayBounds.bounds.bottom)
     }
-}
\ No newline at end of file
+}
+
+fun getSplitLeftTopRegion(dividerRegion: Region, rotation: Int): Region {
+    val displayBounds = WindowUtils.getDisplayBounds(rotation)
+    return if (displayBounds.width > displayBounds.height) {
+        Region.from(0, 0, dividerRegion.bounds.left, displayBounds.bounds.bottom)
+    } else {
+        Region.from(0, 0, displayBounds.bounds.right, dividerRegion.bounds.top)
+    }
+}
+
+fun getSplitRightBottomRegion(dividerRegion: Region, rotation: Int): Region {
+    val displayBounds = WindowUtils.getDisplayBounds(rotation)
+    return if (displayBounds.width > displayBounds.height) {
+        Region.from(dividerRegion.bounds.right, 0, displayBounds.bounds.right,
+                displayBounds.bounds.bottom)
+    } else {
+        Region.from(0, dividerRegion.bounds.bottom, displayBounds.bounds.right,
+                displayBounds.bounds.bottom)
+    }
+}
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt
index 3b7afb716983a..c620c31052b5f 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt
@@ -24,10 +24,15 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group1
 import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.traces.common.Rect
+import com.android.wm.shell.flicker.layerBecomesVisible
+import com.android.wm.shell.flicker.layerIsVisibleAtEnd
 import com.android.wm.shell.flicker.appWindowBecomesVisible
 import com.android.wm.shell.flicker.appWindowIsVisibleAtEnd
 import com.android.wm.shell.flicker.helpers.SplitScreenHelper
 import com.android.wm.shell.flicker.splitScreenDividerBecomesVisible
+import com.android.wm.shell.flicker.splitAppLayerBoundsBecomesVisible
+import com.android.wm.shell.flicker.splitAppLayerBoundsIsVisibleAtEnd
 import org.junit.Assume
 import org.junit.Before
 import org.junit.FixMethodOrder
@@ -71,6 +76,11 @@ class EnterSplitScreenByDragFromAllApps(
                         .getAppIcon(secondaryApp.appName)
                         .dragToSplitscreen(secondaryApp.component.packageName,
                                 primaryApp.component.packageName)
+
+                endDisplayBounds = wmHelper.currentState.layerState
+                        .displays.firstOrNull { !it.isVirtual }
+                        ?.layerStackSpace
+                        ?: error("Display not found")
             }
         }
 
@@ -78,6 +88,24 @@ class EnterSplitScreenByDragFromAllApps(
     @Test
     fun dividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
 
+    @Presubmit
+    @Test
+    fun primaryAppLayerIsVisibleAtEnd() = testSpec.layerIsVisibleAtEnd(primaryApp.component)
+
+    @Presubmit
+    @Test
+    fun secondaryAppLayerBecomesVisible() = testSpec.layerBecomesVisible(secondaryApp.component)
+
+    @Presubmit
+    @Test
+    fun primaryAppBoundsIsVisibleAtEnd() = testSpec.splitAppLayerBoundsIsVisibleAtEnd(
+            testSpec.endRotation, primaryApp.component, isAppLeftTop(true))
+
+    @Presubmit
+    @Test
+    fun secondaryAppBoundsBecomesVisible() = testSpec.splitAppLayerBoundsBecomesVisible(
+            testSpec.endRotation, secondaryApp.component, isAppLeftTop(false))
+
     @Presubmit
     @Test
     fun primaryAppWindowIsVisibleAtEnd() = testSpec.appWindowIsVisibleAtEnd(primaryApp.component)
@@ -87,6 +115,14 @@ class EnterSplitScreenByDragFromAllApps(
     fun secondaryAppWindowBecomesVisible() =
             testSpec.appWindowBecomesVisible(secondaryApp.component)
 
+    private fun isAppLeftTop(primary: Boolean): Boolean {
+        return if (endDisplayBounds.width > endDisplayBounds.height) {
+            !primary
+        } else {
+            primary
+        }
+    }
+
     companion object {
         @Parameterized.Parameters(name = "{0}")
         @JvmStatic
@@ -97,5 +133,7 @@ class EnterSplitScreenByDragFromAllApps(
                     supportedNavigationModes =
                         listOf(WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY))
         }
+
+        private lateinit var endDisplayBounds: Rect
     }
 }