Add CUJ for dismiss split by go home

Add CUJ for dismiss split-screen by go home.

Bug: 231399944
Test: atest WMShellFlickerTests:DismissSplitScreenByGoHome

Change-Id: Ic90c0efaa5c06674ea9402edc302d9c683719f2a

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt

@@ -47,6 +47,14 @@ fun FlickerTestParameter.splitScreenDividerBecomesVisible() {
     layerBecomesVisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
 }
 
+fun FlickerTestParameter.splitScreenDividerBecomesInvisible() {
+    assertLayers {
+        this.isVisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+            .then()
+            .isInvisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+    }
+}
+
 fun FlickerTestParameter.layerBecomesVisible(
     component: IComponentMatcher
 ) {
@@ -57,6 +65,16 @@ fun FlickerTestParameter.layerBecomesVisible(
     }
 }
 
+fun FlickerTestParameter.layerBecomesInvisible(
+    component: IComponentMatcher
+) {
+    assertLayers {
+        this.isVisible(component)
+            .then()
+            .isInvisible(component)
+    }
+}
+
 fun FlickerTestParameter.layerIsVisibleAtEnd(
     component: IComponentMatcher
 ) {
@@ -66,7 +84,6 @@ fun FlickerTestParameter.layerIsVisibleAtEnd(
 }
 
 fun FlickerTestParameter.splitAppLayerBoundsBecomesVisible(
-    rotation: Int,
     component: IComponentMatcher,
     splitLeftTop: Boolean
 ) {
@@ -75,29 +92,50 @@ fun FlickerTestParameter.splitAppLayerBoundsBecomesVisible(
         this.isInvisible(component)
             .then()
             .invoke("splitAppLayerBoundsBecomesVisible") {
-                it.visibleRegion(component).overlaps(
+                it.visibleRegion(component).coversAtMost(
                     if (splitLeftTop) {
-                        getSplitLeftTopRegion(dividerRegion, rotation)
+                        getSplitLeftTopRegion(dividerRegion, endRotation)
                     } else {
-                        getSplitRightBottomRegion(dividerRegion, rotation)
+                        getSplitRightBottomRegion(dividerRegion, endRotation)
                     }
                 )
             }
     }
 }
 
+fun FlickerTestParameter.splitAppLayerBoundsBecomesInvisible(
+    component: IComponentMatcher,
+    splitLeftTop: Boolean
+) {
+    assertLayers {
+        val dividerRegion = this.first().layer(SPLIT_SCREEN_DIVIDER_COMPONENT).visibleRegion.region
+        this.invoke("splitAppLayerBoundsBecomesVisible") {
+                it.visibleRegion(component).coversAtMost(
+                    if (splitLeftTop) {
+                        getSplitLeftTopRegion(dividerRegion, endRotation)
+                    } else {
+                        getSplitRightBottomRegion(dividerRegion, endRotation)
+                    }
+                )
+            }
+            .then()
+            .isVisible(component, true)
+            .then()
+            .isInvisible(component)
+    }
+}
+
 fun FlickerTestParameter.splitAppLayerBoundsIsVisibleAtEnd(
-    rotation: Int,
     component: IComponentMatcher,
     splitLeftTop: Boolean
 ) {
     assertLayersEnd {
         val dividerRegion = layer(SPLIT_SCREEN_DIVIDER_COMPONENT).visibleRegion.region
-        visibleRegion(component).overlaps(
+        visibleRegion(component).coversAtMost(
             if (splitLeftTop) {
-                getSplitLeftTopRegion(dividerRegion, rotation)
+                getSplitLeftTopRegion(dividerRegion, endRotation)
             } else {
-                getSplitRightBottomRegion(dividerRegion, rotation)
+                getSplitRightBottomRegion(dividerRegion, endRotation)
             }
         )
     }
@@ -113,6 +151,16 @@ fun FlickerTestParameter.appWindowBecomesVisible(
     }
 }
 
+fun FlickerTestParameter.appWindowBecomesInvisible(
+    component: IComponentMatcher
+) {
+    assertWm {
+        this.isAppWindowVisible(component)
+            .then()
+            .isAppWindowInvisible(component)
+    }
+}
+
 fun FlickerTestParameter.appWindowIsVisibleAtEnd(
     component: IComponentMatcher
 ) {
@@ -226,9 +274,17 @@ fun getSecondaryRegion(dividerRegion: Region, rotation: Int): Region {
 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)
+        Region.from(
+            0,
+            0,
+            (dividerRegion.bounds.left + dividerRegion.bounds.right) / 2,
+            displayBounds.bounds.bottom)
     } else {
-        Region.from(0, 0, displayBounds.bounds.right, dividerRegion.bounds.top)
+        Region.from(
+            0,
+            0,
+            displayBounds.bounds.right,
+            (dividerRegion.bounds.top + dividerRegion.bounds.bottom) / 2)
     }
 }
 
@@ -236,12 +292,16 @@ 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,
+            (dividerRegion.bounds.left + dividerRegion.bounds.right) / 2,
+            0,
+            displayBounds.bounds.right,
             displayBounds.bounds.bottom
         )
     } else {
         Region.from(
-            0, dividerRegion.bounds.bottom, displayBounds.bounds.right,
+            0,
+            (dividerRegion.bounds.top + dividerRegion.bounds.bottom) / 2,
+            displayBounds.bounds.right,
             displayBounds.bounds.bottom
         )
     }

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/helpers/SplitScreenHelper.kt

@@ -78,6 +78,19 @@ class SplitScreenHelper(
                 Components.SendNotificationActivity.COMPONENT.toFlickerComponent()
             )
 
+        fun waitForSplitComplete(
+                wmHelper: WindowManagerStateHelper,
+                primaryApp: IComponentMatcher,
+                secondaryApp: IComponentMatcher,
+        ) {
+            wmHelper.StateSyncBuilder()
+                    .withAppTransitionIdle()
+                    .withWindowSurfaceAppeared(primaryApp)
+                    .withWindowSurfaceAppeared(secondaryApp)
+                    .withSplitDividerVisible()
+                    .waitForAndVerify()
+        }
+
         fun dragFromNotificationToSplit(
             instrumentation: Instrumentation,
             device: UiDevice,
@@ -190,12 +203,11 @@ class SplitScreenHelper(
         }
 
         fun createShortcutOnHotseatIfNotExist(
-            taplInstrumentation: LauncherInstrumentation,
+            tapl: LauncherInstrumentation,
             appName: String
         ) {
-            taplInstrumentation.workspace
-                .deleteAppIcon(taplInstrumentation.workspace.getHotseatAppIcon(0))
-            val allApps = taplInstrumentation.workspace.switchToAllApps()
+            tapl.workspace.deleteAppIcon(tapl.workspace.getHotseatAppIcon(0))
+            val allApps = tapl.workspace.switchToAllApps()
             allApps.freeze()
             try {
                 allApps.getAppIcon(appName).dragToHotseat(0)

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/DismissSplitScreenByGoHome.kt

@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.wm.shell.flicker.splitscreen
+
+import android.platform.test.annotations.Postsubmit
+import android.platform.test.annotations.Presubmit
+import android.view.WindowManagerPolicyConstants
+import androidx.test.filters.RequiresDevice
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+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.wm.shell.flicker.appWindowBecomesInvisible
+import com.android.wm.shell.flicker.helpers.SplitScreenHelper
+import com.android.wm.shell.flicker.layerBecomesInvisible
+import com.android.wm.shell.flicker.splitAppLayerBoundsBecomesInvisible
+import com.android.wm.shell.flicker.splitScreenDividerBecomesInvisible
+import org.junit.Assume
+import org.junit.Before
+import org.junit.FixMethodOrder
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import org.junit.runners.Parameterized
+
+/**
+ * Test dismiss split screen by go home.
+ *
+ * To run this test: `atest WMShellFlickerTests:DismissSplitScreenByGoHome`
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Group1
+class DismissSplitScreenByGoHome(
+    testSpec: FlickerTestParameter
+) : SplitScreenBase(testSpec) {
+
+    // TODO(b/231399940): Remove this once we can use recent shortcut to enter split.
+    @Before
+    open fun before() {
+        Assume.assumeTrue(tapl.isTablet)
+    }
+
+    override val transition: FlickerBuilder.() -> Unit
+        get() = {
+            super.transition(this)
+            setup {
+                eachRun {
+                    primaryApp.launchViaIntent(wmHelper)
+                    // TODO(b/231399940): Use recent shortcut to enter split.
+                    tapl.launchedAppState.taskbar
+                            .openAllApps()
+                            .getAppIcon(secondaryApp.appName)
+                            .dragToSplitscreen(secondaryApp.`package`, primaryApp.`package`)
+                    SplitScreenHelper.waitForSplitComplete(wmHelper, primaryApp, secondaryApp)
+                }
+            }
+            transitions {
+                tapl.goHome()
+                wmHelper.StateSyncBuilder()
+                        .withAppTransitionIdle()
+                        .withHomeActivityVisible()
+                        .waitForAndVerify()
+            }
+        }
+
+    @Presubmit
+    @Test
+    fun splitScreenDividerBecomesVisible() = testSpec.splitScreenDividerBecomesInvisible()
+
+    @Presubmit
+    @Test
+    fun primaryAppLayerBecomesInvisible() = testSpec.layerBecomesInvisible(primaryApp)
+
+    @Presubmit
+    @Test
+    fun secondaryAppLayerBecomesInvisible() = testSpec.layerBecomesInvisible(primaryApp)
+
+    @Presubmit
+    @Test
+    fun primaryAppBoundsBecomesInvisible() = testSpec.splitAppLayerBoundsBecomesInvisible(
+        primaryApp, splitLeftTop = false)
+
+    @Presubmit
+    @Test
+    fun secondaryAppBoundsBecomesInvisible() = testSpec.splitAppLayerBoundsBecomesInvisible(
+        secondaryApp, splitLeftTop = true)
+
+    @Presubmit
+    @Test
+    fun primaryAppWindowBecomesInvisible() = testSpec.appWindowBecomesInvisible(primaryApp)
+
+    @Presubmit
+    @Test
+    fun secondaryAppWindowBecomesInvisible() = testSpec.appWindowBecomesInvisible(secondaryApp)
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun entireScreenCovered() =
+            super.entireScreenCovered()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun navBarLayerIsVisibleAtStartAndEnd() =
+            super.navBarLayerIsVisibleAtStartAndEnd()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun navBarLayerPositionAtStartAndEnd() =
+            super.navBarLayerPositionAtStartAndEnd()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun navBarWindowIsAlwaysVisible() =
+            super.navBarWindowIsAlwaysVisible()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun statusBarLayerIsVisibleAtStartAndEnd() =
+            super.statusBarLayerIsVisibleAtStartAndEnd()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun statusBarLayerPositionAtStartAndEnd() =
+            super.statusBarLayerPositionAtStartAndEnd()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun statusBarWindowIsAlwaysVisible() =
+            super.statusBarWindowIsAlwaysVisible()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun taskBarLayerIsVisibleAtStartAndEnd() =
+            super.taskBarLayerIsVisibleAtStartAndEnd()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun taskBarWindowIsAlwaysVisible() =
+            super.taskBarWindowIsAlwaysVisible()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun visibleLayersShownMoreThanOneConsecutiveEntry() =
+            super.visibleLayersShownMoreThanOneConsecutiveEntry()
+
+    /** {@inheritDoc} */
+    @Postsubmit
+    @Test
+    override fun visibleWindowsShownMoreThanOneConsecutiveEntry() =
+            super.visibleWindowsShownMoreThanOneConsecutiveEntry()
+
+    companion object {
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun getParams(): List<FlickerTestParameter> {
+            return FlickerTestParameterFactory.getInstance().getConfigNonRotationTests(
+                repetitions = SplitScreenHelper.TEST_REPETITIONS,
+                // TODO(b/176061063):The 3 buttons of nav bar do not exist in the hierarchy.
+                supportedNavigationModes =
+                    listOf(WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY))
+        }
+    }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt

@@ -72,15 +72,16 @@ class EnterSplitScreenByDragFromAllApps(
             }
             transitions {
                 tapl.launchedAppState.taskbar
-                    .openAllApps()
-                    .getAppIcon(secondaryApp.appName)
-                    .dragToSplitscreen(secondaryApp.`package`, primaryApp.`package`)
+                        .openAllApps()
+                        .getAppIcon(secondaryApp.appName)
+                        .dragToSplitscreen(secondaryApp.`package`, primaryApp.`package`)
+                SplitScreenHelper.waitForSplitComplete(wmHelper, primaryApp, secondaryApp)
             }
         }
 
     @Presubmit
     @Test
-    fun dividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
+    fun splitScreenDividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
 
     @Presubmit
     @Test
@@ -93,12 +94,12 @@ class EnterSplitScreenByDragFromAllApps(
     @Presubmit
     @Test
     fun primaryAppBoundsIsVisibleAtEnd() = testSpec.splitAppLayerBoundsIsVisibleAtEnd(
-        testSpec.endRotation, primaryApp, false /* splitLeftTop */)
+        primaryApp, splitLeftTop = false)
 
     @Presubmit
     @Test
     fun secondaryAppBoundsBecomesVisible() = testSpec.splitAppLayerBoundsBecomesVisible(
-        testSpec.endRotation, secondaryApp, true /* splitLeftTop */)
+        secondaryApp, splitLeftTop = true)
 
     @Presubmit
     @Test
@@ -106,8 +107,7 @@ class EnterSplitScreenByDragFromAllApps(
 
     @Presubmit
     @Test
-    fun secondaryAppWindowBecomesVisible() =
-        testSpec.appWindowBecomesVisible(secondaryApp)
+    fun secondaryAppWindowBecomesVisible() = testSpec.appWindowBecomesVisible(secondaryApp)
 
     /** {@inheritDoc} */
     @Postsubmit

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromNotification.kt

@@ -84,6 +84,7 @@ class EnterSplitScreenByDragFromNotification(
             }
             transitions {
                 SplitScreenHelper.dragFromNotificationToSplit(instrumentation, device, wmHelper)
+                SplitScreenHelper.waitForSplitComplete(wmHelper, primaryApp, sendNotificationApp)
             }
             teardown {
                 eachRun {
@@ -94,7 +95,7 @@ class EnterSplitScreenByDragFromNotification(
 
     @Presubmit
     @Test
-    fun dividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
+    fun splitScreenDividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
 
     @Presubmit
     @Test
@@ -108,14 +109,12 @@ class EnterSplitScreenByDragFromNotification(
     @Presubmit
     @Test
     fun primaryAppBoundsIsVisibleAtEnd() = testSpec.splitAppLayerBoundsIsVisibleAtEnd(
-        testSpec.endRotation, primaryApp, false /* splitLeftTop */
-    )
+        primaryApp, splitLeftTop = false)
 
     @Presubmit
     @Test
     fun secondaryAppBoundsBecomesVisible() = testSpec.splitAppLayerBoundsBecomesVisible(
-        testSpec.endRotation, sendNotificationApp, true /* splitLeftTop */
-    )
+        sendNotificationApp, splitLeftTop = true)
 
     @Presubmit
     @Test
@@ -123,8 +122,7 @@ class EnterSplitScreenByDragFromNotification(
 
     @Presubmit
     @Test
-    fun secondaryAppWindowIsVisibleAtEnd() =
-        testSpec.appWindowIsVisibleAtEnd(sendNotificationApp)
+    fun secondaryAppWindowIsVisibleAtEnd() = testSpec.appWindowIsVisibleAtEnd(sendNotificationApp)
 
     /** {@inheritDoc} */
     @Postsubmit

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromTaskbar.kt

@@ -77,16 +77,14 @@ class EnterSplitScreenByDragFromTaskbar(
             transitions {
                 tapl.launchedAppState.taskbar
                     .getAppIcon(secondaryApp.appName)
-                    .dragToSplitscreen(
-                        secondaryApp.`package`,
-                        primaryApp.`package`
-                    )
+                    .dragToSplitscreen(secondaryApp.`package`, primaryApp.`package`)
+                SplitScreenHelper.waitForSplitComplete(wmHelper, primaryApp, secondaryApp)
             }
         }
 
     @Presubmit
     @Test
-    fun dividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
+    fun splitScreenDividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
 
     @Presubmit
     @Test
@@ -99,14 +97,12 @@ class EnterSplitScreenByDragFromTaskbar(
     @Presubmit
     @Test
     fun primaryAppBoundsIsVisibleAtEnd() = testSpec.splitAppLayerBoundsIsVisibleAtEnd(
-        testSpec.endRotation, primaryApp, splitLeftTop = false
-    )
+        primaryApp, splitLeftTop = false)
 
     @Presubmit
     @Test
     fun secondaryAppBoundsBecomesVisible() = testSpec.splitAppLayerBoundsBecomesVisible(
-        testSpec.endRotation, secondaryApp, splitLeftTop = true
-    )
+        secondaryApp, splitLeftTop = true)
 
     @Presubmit
     @Test
@@ -114,8 +110,7 @@ class EnterSplitScreenByDragFromTaskbar(
 
     @Presubmit
     @Test
-    fun secondaryAppWindowBecomesVisible() =
-        testSpec.appWindowBecomesVisible(secondaryApp)
+    fun secondaryAppWindowBecomesVisible() = testSpec.appWindowBecomesVisible(secondaryApp)
 
     /** {@inheritDoc} */
     @Postsubmit