Add E2E test scenario for alt-tab switch CUJ in Desktop Windowing

/*

 * Copyright (C) 2025 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.functional

import com.android.wm.shell.scenarios.AltTabSwitchInDesktopMode

import org.junit.Ignore

import org.junit.runner.RunWith

import org.junit.runners.BlockJUnit4ClassRunner

/* Functional test for [AltTabSwitchInDesktopMode]. */

@RunWith(BlockJUnit4ClassRunner::class)

@Ignore("Blocked by b/392820286, include in Postsubmit, when the issue is resolved")

class AltTabSwitchInDesktopModeTest : AltTabSwitchInDesktopMode()

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/*

 * Copyright (C) 2025 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.scenarios

import android.app.Instrumentation

import android.tools.flicker.rules.ChangeDisplayOrientationRule

import android.tools.NavBar

import android.tools.Rotation

import android.tools.traces.parsers.WindowManagerStateHelper

import androidx.test.platform.app.InstrumentationRegistry

import androidx.test.uiautomator.UiDevice

import com.android.launcher3.tapl.LauncherInstrumentation

import com.android.server.wm.flicker.helpers.DesktopModeAppHelper

import com.android.server.wm.flicker.helpers.MailAppHelper

import com.android.server.wm.flicker.helpers.NewTasksAppHelper

import com.android.server.wm.flicker.helpers.SimpleAppHelper

import com.android.window.flags.Flags

import com.android.wm.shell.Utils

import org.junit.After

import org.junit.Assume

import org.junit.Before

import org.junit.Ignore

import org.junit.Rule

import org.junit.Test

@Ignore("Test Base Class")

abstract class AltTabSwitchInDesktopMode(val rotation: Rotation = Rotation.ROTATION_0) {

    private val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()

    private val tapl = LauncherInstrumentation()

    private val wmHelper = WindowManagerStateHelper(instrumentation)

    private val device = UiDevice.getInstance(instrumentation)

    private val firstApp = DesktopModeAppHelper(SimpleAppHelper(instrumentation))

    private val secondApp = MailAppHelper(instrumentation)

    private val thirdApp = NewTasksAppHelper(instrumentation)

    @Rule

    @JvmField val testSetupRule = Utils.testSetupRule(NavBar.MODE_GESTURAL, rotation)

    @Before

    fun setup() {

        Assume.assumeTrue(Flags.enableDesktopWindowingMode() && tapl.isTablet)

        tapl.setEnableRotation(true)

        tapl.setExpectedRotation(rotation.value)

        tapl.enableTransientTaskbar(false)

        ChangeDisplayOrientationRule.setRotation(rotation)

        firstApp.enterDesktopMode(wmHelper, device)

        secondApp.launchViaIntent(wmHelper)

        thirdApp.launchViaIntent(wmHelper)

    }

    @Test

    open fun switchApp() {

        tapl.launchedAppState

            .showQuickSwitchView()

            .moveFocusForward()

            .launchFocusedAppTask(firstApp.packageName)

    }

    @After

    fun teardown() {

        thirdApp.exit(wmHelper)

        secondApp.exit(wmHelper)

        firstApp.exit(wmHelper)

    }

}

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