Splitting TaplTests into a pure AOSP and QS parts

This will allow running as many as possible automatic checks on AOSP
launcher and moving most AOSP tests that use TAPL to where they belong
to: Tapl Tests.

Bug: 110103162
Test: Running the test suites
Change-Id: I9192354e6097698d4b942c5682b79664ecc2336d

2 files changed, 224 insertions, 462 deletions

diff --git a/quickstep/tests/src/com/android/quickstep/TaplTests.java b/quickstep/tests/src/com/android/quickstep/TaplTests.java
deleted file mode 100644
index 347b7ac7c..000000000
--- a/quickstep/tests/src/com/android/quickstep/TaplTests.java
+++ /dev/null
@@ -1,462 +0,0 @@
-/*
- * Copyright (C) 2018 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.quickstep;
-
-import static androidx.test.InstrumentationRegistry.getInstrumentation;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
-import android.content.Intent;
-import android.os.RemoteException;
-import android.util.Log;
-
-import androidx.test.filters.LargeTest;
-import androidx.test.runner.AndroidJUnit4;
-import androidx.test.uiautomator.By;
-import androidx.test.uiautomator.Until;
-
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherState;
-import com.android.launcher3.tapl.AllApps;
-import com.android.launcher3.tapl.AllAppsFromOverview;
-import com.android.launcher3.tapl.AppIcon;
-import com.android.launcher3.tapl.Background;
-import com.android.launcher3.tapl.Overview;
-import com.android.launcher3.tapl.OverviewTask;
-import com.android.launcher3.tapl.TestHelpers;
-import com.android.launcher3.tapl.Widgets;
-import com.android.launcher3.tapl.Workspace;
-import com.android.launcher3.views.OptionsPopupView;
-import com.android.launcher3.widget.WidgetsFullSheet;
-import com.android.launcher3.widget.WidgetsRecyclerView;
-import com.android.quickstep.QuickStepOnOffRule.QuickstepOnOff;
-import com.android.quickstep.views.RecentsView;
-
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.TestWatcher;
-import org.junit.runner.Description;
-import org.junit.runner.RunWith;
-
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-
-@LargeTest
-@RunWith(AndroidJUnit4.class)
-public class TaplTests extends AbstractQuickStepTest {
-    private static final String TAG = "TaplTests";
-
-    private static int sScreenshotCount = 0;
-
-    @Rule
-    public TestWatcher mFailureWatcher = new TestWatcher() {
-        private void dumpViewHierarchy() {
-            final ByteArrayOutputStream stream = new ByteArrayOutputStream();
-            try {
-                mDevice.dumpWindowHierarchy(stream);
-                stream.flush();
-                stream.close();
-                for (String line : stream.toString().split("\\r?\\n")) {
-                    Log.e(TaplTests.TAG, line.trim());
-                }
-            } catch (IOException e) {
-                Log.e(TaplTests.TAG, "error dumping XML to logcat", e);
-            }
-        }
-
-        @Override
-        protected void failed(Throwable e, Description description) {
-            if (mDevice == null) return;
-            final String pathname = getInstrumentation().getTargetContext().
-                    getFilesDir().getPath() + "/TaplTestScreenshot" + sScreenshotCount++ + ".png";
-            Log.e(TaplTests.TAG, "Failed test " + description.getMethodName() +
-                    ", screenshot will be saved to " + pathname +
-                    ", track trace is below, UI object dump is further below:\n" +
-                    Log.getStackTraceString(e));
-            dumpViewHierarchy();
-            mDevice.takeScreenshot(new File(pathname));
-        }
-    };
-
-    @Before
-    public void setUp() throws Exception {
-        super.setUp();
-
-        clearLauncherData();
-
-        mLauncher.pressHome();
-        waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
-        waitForResumed("Launcher internal state is still Background");
-    }
-
-    private boolean isInState(LauncherState state) {
-        if (!TestHelpers.isInLauncherProcess()) return true;
-        return getFromLauncher(launcher -> launcher.getStateManager().getState() == state);
-    }
-
-    // Please don't add negative test cases for methods that fail only after a long wait.
-    private void expectFail(String message, Runnable action) {
-        boolean failed = false;
-        try {
-            action.run();
-        } catch (AssertionError e) {
-            failed = true;
-        }
-        assertTrue(message, failed);
-    }
-
-    private boolean isWorkspaceScrollable(Launcher launcher) {
-        return launcher.getWorkspace().getPageCount() > 1;
-    }
-
-    private boolean isInBackground(Launcher launcher) {
-        return !launcher.hasBeenResumed();
-    }
-
-    private void startTestApps() throws Exception {
-        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_MESSAGING));
-        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
-        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CONTACTS));
-
-        executeOnLauncher(launcher -> assertTrue(
-                "Launcher activity is the top activity; expecting another activity to be the top "
-                        + "one",
-                isInBackground(launcher)));
-    }
-
-    private int getCurrentWorkspacePage(Launcher launcher) {
-        return launcher.getWorkspace().getCurrentPage();
-    }
-
-    private WidgetsRecyclerView getWidgetsView(Launcher launcher) {
-        return WidgetsFullSheet.getWidgetsView(launcher);
-    }
-
-    @Test
-    public void testDevicePressMenu() throws Exception {
-        mDevice.pressMenu();
-        mDevice.waitForIdle();
-        executeOnLauncher(
-                launcher -> assertTrue("Launcher internal state didn't switch to Showing Menu",
-                        OptionsPopupView.getOptionsPopup(launcher) != null));
-    }
-
-    @Test
-    @PortraitLandscape
-    public void testPressRecentAppsLauncherAndGetOverview() throws RemoteException {
-        mDevice.pressRecentApps();
-        waitForState("Launcher internal state didn't switch to Overview", LauncherState.OVERVIEW);
-
-        assertNotNull("getOverview() returned null", mLauncher.getOverview());
-    }
-
-    private void runAllAppsTest(AllApps allApps) throws Exception {
-        assertNotNull("allApps parameter is null", allApps);
-
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-
-        // Test flinging forward and backward.
-        executeOnLauncher(launcher -> assertEquals("All Apps started in already scrolled state", 0,
-                getAllAppsScroll(launcher)));
-
-        allApps.flingForward();
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-        final Integer flingForwardY = getFromLauncher(launcher -> getAllAppsScroll(launcher));
-        executeOnLauncher(
-                launcher -> assertTrue("flingForward() didn't scroll App Apps", flingForwardY > 0));
-
-        allApps.flingBackward();
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-        final Integer flingBackwardY = getFromLauncher(launcher -> getAllAppsScroll(launcher));
-        executeOnLauncher(launcher -> assertTrue("flingBackward() didn't scroll App Apps",
-                flingBackwardY < flingForwardY));
-
-        // Test scrolling down to YouTube.
-        assertNotNull("All apps: can't fine YouTube", allApps.getAppIcon("YouTube"));
-        // Test scrolling up to Camera.
-        assertNotNull("All apps: can't fine Camera", allApps.getAppIcon("Camera"));
-        // Test failing to find a non-existing app.
-        final AllApps allAppsFinal = allApps;
-        expectFail("All apps: could find a non-existing app",
-                () -> allAppsFinal.getAppIcon("NO APP"));
-
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-    }
-
-    private int getAllAppsScroll(Launcher launcher) {
-        return launcher.getAppsView().getActiveRecyclerView().getCurrentScrollY();
-    }
-
-    @Test
-    @PortraitLandscape
-    public void testAllAppsFromHome() throws Exception {
-        // Test opening all apps
-        assertNotNull("switchToAllApps() returned null",
-                mLauncher.getWorkspace().switchToAllApps());
-
-        runAllAppsTest(mLauncher.getAllApps());
-
-        // Testing pressHome.
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-        assertNotNull("pressHome returned null", mLauncher.pressHome());
-        assertTrue("Launcher internal state is not Home", isInState(LauncherState.NORMAL));
-        assertNotNull("getHome returned null", mLauncher.getWorkspace());
-    }
-
-    @Test
-    @QuickstepOnOff
-    @PortraitLandscape
-    public void testWorkspaceSwitchToAllApps() {
-        assertNotNull("switchToAllApps() returned null",
-                mLauncher.getWorkspace().switchToAllApps());
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-    }
-
-    @Test
-    public void testAllAppsFromOverview() throws Exception {
-        // Test opening all apps from Overview.
-        assertNotNull("switchToAllApps() returned null",
-                mLauncher.getWorkspace().switchToOverview().switchToAllApps());
-
-        runAllAppsTest(mLauncher.getAllAppsFromOverview());
-    }
-
-    @Test
-    public void testWorkspace() throws Exception {
-        final Workspace workspace = mLauncher.getWorkspace();
-
-        // Test that ensureWorkspaceIsScrollable adds a page by dragging an icon there.
-        executeOnLauncher(launcher -> assertFalse("Initial workspace state is scrollable",
-                isWorkspaceScrollable(launcher)));
-        assertNull("Messages app was found on empty workspace",
-                workspace.tryGetWorkspaceAppIcon("Messages"));
-
-        workspace.ensureWorkspaceIsScrollable();
-
-        executeOnLauncher(
-                launcher -> assertEquals("Ensuring workspace scrollable didn't switch to page #1",
-                        1, getCurrentWorkspacePage(launcher)));
-        executeOnLauncher(
-                launcher -> assertTrue("ensureScrollable didn't make workspace scrollable",
-                        isWorkspaceScrollable(launcher)));
-        assertNotNull("ensureScrollable didn't add Messages app",
-                workspace.tryGetWorkspaceAppIcon("Messages"));
-
-        // Test flinging workspace.
-        workspace.flingBackward();
-        assertTrue("Launcher internal state is not Home", isInState(LauncherState.NORMAL));
-        executeOnLauncher(
-                launcher -> assertEquals("Flinging back didn't switch workspace to page #0",
-                        0, getCurrentWorkspacePage(launcher)));
-
-        workspace.flingForward();
-        executeOnLauncher(
-                launcher -> assertEquals("Flinging forward didn't switch workspace to page #1",
-                        1, getCurrentWorkspacePage(launcher)));
-        assertTrue("Launcher internal state is not Home", isInState(LauncherState.NORMAL));
-
-        // Test starting a workspace app.
-        final AppIcon app = workspace.tryGetWorkspaceAppIcon("Messages");
-        assertNotNull("No Messages app in workspace", app);
-        assertNotNull("AppIcon.launch returned null",
-                app.launch(resolveSystemApp(Intent.CATEGORY_APP_MESSAGING)));
-        executeOnLauncher(launcher -> assertTrue(
-                "Launcher activity is the top activity; expecting another activity to be the top "
-                        + "one",
-                isInBackground(launcher)));
-    }
-
-    @Test
-    @PortraitLandscape
-    public void testOverview() throws Exception {
-        startTestApps();
-        Overview overview = mLauncher.pressHome().switchToOverview();
-        assertTrue("Launcher internal state didn't switch to Overview",
-                isInState(LauncherState.OVERVIEW));
-        executeOnLauncher(
-                launcher -> assertTrue("Don't have at least 3 tasks", getTaskCount(launcher) >= 3));
-
-        // Test flinging forward and backward.
-        executeOnLauncher(launcher -> assertEquals("Current task in Overview is not 0",
-                0, getCurrentOverviewPage(launcher)));
-
-        overview.flingForward();
-        assertTrue("Launcher internal state is not Overview", isInState(LauncherState.OVERVIEW));
-        final Integer currentTaskAfterFlingForward = getFromLauncher(
-                launcher -> getCurrentOverviewPage(launcher));
-        executeOnLauncher(launcher -> assertTrue("Current task in Overview is still 0",
-                currentTaskAfterFlingForward > 0));
-
-        overview.flingBackward();
-        assertTrue("Launcher internal state is not Overview", isInState(LauncherState.OVERVIEW));
-        executeOnLauncher(launcher -> assertTrue("Flinging back in Overview did nothing",
-                getCurrentOverviewPage(launcher) < currentTaskAfterFlingForward));
-
-        // Test opening a task.
-        OverviewTask task = mLauncher.pressHome().switchToOverview().getCurrentTask();
-        assertNotNull("overview.getCurrentTask() returned null (1)", task);
-        assertNotNull("OverviewTask.open returned null", task.open());
-        assertTrue("Contacts app didn't open from Overview", mDevice.wait(Until.hasObject(
-                By.pkg(resolveSystemApp(Intent.CATEGORY_APP_CONTACTS)).depth(0)),
-                LONG_WAIT_TIME_MS));
-        executeOnLauncher(launcher -> assertTrue(
-                "Launcher activity is the top activity; expecting another activity to be the top "
-                        + "one",
-                isInBackground(launcher)));
-
-        // Test dismissing a task.
-        overview = mLauncher.pressHome().switchToOverview();
-        assertTrue("Launcher internal state didn't switch to Overview",
-                isInState(LauncherState.OVERVIEW));
-        final Integer numTasks = getFromLauncher(launcher -> getTaskCount(launcher));
-        task = overview.getCurrentTask();
-        assertNotNull("overview.getCurrentTask() returned null (2)", task);
-        task.dismiss();
-        executeOnLauncher(
-                launcher -> assertEquals("Dismissing a task didn't remove 1 task from Overview",
-                        numTasks - 1, getTaskCount(launcher)));
-
-        if (!TestHelpers.isInLauncherProcess() ||
-                getFromLauncher(launcher -> !launcher.getDeviceProfile().isLandscape)) {
-            // Test switching to all apps and back.
-            final AllAppsFromOverview allApps = overview.switchToAllApps();
-            assertNotNull("overview.switchToAllApps() returned null (1)", allApps);
-            assertTrue("Launcher internal state is not All Apps (1)",
-                    isInState(LauncherState.ALL_APPS));
-
-            overview = allApps.switchBackToOverview();
-            assertNotNull("allApps.switchBackToOverview() returned null", overview);
-            assertTrue("Launcher internal state didn't switch to Overview",
-                    isInState(LauncherState.OVERVIEW));
-
-            // Test UIDevice.pressBack()
-            overview.switchToAllApps();
-            assertNotNull("overview.switchToAllApps() returned null (2)", allApps);
-            assertTrue("Launcher internal state is not All Apps (2)",
-                    isInState(LauncherState.ALL_APPS));
-            mDevice.pressBack();
-            mLauncher.getOverview();
-        }
-
-        // Test UIDevice.pressHome, once we are in AllApps.
-        mDevice.pressHome();
-        waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
-    }
-
-    private int getCurrentOverviewPage(Launcher launcher) {
-        return launcher.<RecentsView>getOverviewPanel().getCurrentPage();
-    }
-
-    private int getTaskCount(Launcher launcher) {
-        return launcher.<RecentsView>getOverviewPanel().getTaskViewCount();
-    }
-
-    private void runIconLaunchFromAllAppsTest(AllApps allApps) throws Exception {
-        final AppIcon app = allApps.getAppIcon("Calculator");
-        assertNotNull("AppIcon.launch returned null", app.launch(
-                resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR)));
-        executeOnLauncher(launcher -> assertTrue(
-                "Launcher activity is the top activity; expecting another activity to be the top "
-                        + "one",
-                isInBackground(launcher)));
-    }
-
-    @Test
-    @PortraitLandscape
-    public void testAppIconLaunchFromAllAppsFromHome() throws Exception {
-        final AllApps allApps = mLauncher.getWorkspace().switchToAllApps();
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-
-        runIconLaunchFromAllAppsTest(allApps);
-    }
-
-    @Test
-    public void testAppIconLaunchFromAllAppsFromOverview() throws Exception {
-        final AllApps allApps =
-                mLauncher.getWorkspace().switchToOverview().switchToAllApps();
-        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
-
-        runIconLaunchFromAllAppsTest(allApps);
-    }
-
-    @Test
-    @PortraitLandscape
-    public void testWidgets() throws Exception {
-        // Test opening widgets.
-        executeOnLauncher(launcher ->
-                assertTrue("Widgets is initially opened", getWidgetsView(launcher) == null));
-        Widgets widgets = mLauncher.getWorkspace().openAllWidgets();
-        assertNotNull("openAllWidgets() returned null", widgets);
-        widgets = mLauncher.getAllWidgets();
-        assertNotNull("getAllWidgets() returned null", widgets);
-        executeOnLauncher(launcher ->
-                assertTrue("Widgets is not shown", getWidgetsView(launcher).isShown()));
-        executeOnLauncher(launcher -> assertEquals("Widgets is scrolled upon opening",
-                0, getWidgetsScroll(launcher)));
-
-        // Test flinging widgets.
-        widgets.flingForward();
-        Integer flingForwardY = getFromLauncher(launcher -> getWidgetsScroll(launcher));
-        executeOnLauncher(launcher -> assertTrue("Flinging forward didn't scroll widgets",
-                flingForwardY > 0));
-
-        widgets.flingBackward();
-        executeOnLauncher(launcher -> assertTrue("Flinging backward didn't scroll widgets",
-                getWidgetsScroll(launcher) < flingForwardY));
-
-        mLauncher.pressHome();
-        waitForLauncherCondition("Widgets were not closed",
-                launcher -> getWidgetsView(launcher) == null);
-    }
-
-    private int getWidgetsScroll(Launcher launcher) {
-        return getWidgetsView(launcher).getCurrentScrollY();
-    }
-
-    @Test
-    @QuickstepOnOff
-    @PortraitLandscape
-    public void testSwitchToOverview() throws Exception {
-        assertNotNull("Workspace.switchToOverview() returned null",
-                mLauncher.pressHome().switchToOverview());
-        assertTrue("Launcher internal state didn't switch to Overview",
-                isInState(LauncherState.OVERVIEW));
-    }
-
-    @Test
-    @QuickstepOnOff
-    @PortraitLandscape
-    public void testBackground() throws Exception {
-        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
-        final Background background = mLauncher.getBackground();
-        assertNotNull("Launcher.getBackground() returned null", background);
-        executeOnLauncher(launcher -> assertTrue(
-                "Launcher activity is the top activity; expecting another activity to be the top "
-                        + "one",
-                isInBackground(launcher)));
-
-        assertNotNull("Background.switchToOverview() returned null", background.switchToOverview());
-        assertTrue("Launcher internal state didn't switch to Overview",
-                isInState(LauncherState.OVERVIEW));
-    }
-}
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
new file mode 100644
index 000000000..8f7cf92bf
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2018 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.quickstep;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import android.content.Intent;
+import android.os.RemoteException;
+
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+import androidx.test.uiautomator.By;
+import androidx.test.uiautomator.Until;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.tapl.AllApps;
+import com.android.launcher3.tapl.AllAppsFromOverview;
+import com.android.launcher3.tapl.Background;
+import com.android.launcher3.tapl.Overview;
+import com.android.launcher3.tapl.OverviewTask;
+import com.android.launcher3.tapl.TestHelpers;
+import com.android.launcher3.ui.TaplTestsLauncher3;
+import com.android.quickstep.QuickStepOnOffRule.QuickstepOnOff;
+import com.android.quickstep.views.RecentsView;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TestWatcher;
+import org.junit.runner.RunWith;
+
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class TaplTestsQuickstep extends AbstractQuickStepTest {
+    @Rule
+    public TestWatcher mFailureWatcher = new TaplTestsLauncher3.FailureWatcher(mDevice);
+
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+
+        clearLauncherData();
+
+        mLauncher.pressHome();
+        waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
+        waitForResumed("Launcher internal state is still Background");
+    }
+
+    private void startTestApps() throws Exception {
+        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_MESSAGING));
+        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
+        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CONTACTS));
+
+        executeOnLauncher(launcher -> assertTrue(
+                "Launcher activity is the top activity; expecting another activity to be the top "
+                        + "one",
+                isInBackground(launcher)));
+    }
+
+    @Test
+    @PortraitLandscape
+    public void testPressRecentAppsLauncherAndGetOverview() throws RemoteException {
+        mDevice.pressRecentApps();
+        waitForState("Launcher internal state didn't switch to Overview", LauncherState.OVERVIEW);
+
+        assertNotNull("getOverview() returned null", mLauncher.getOverview());
+    }
+
+    @Test
+    @QuickstepOnOff
+    @PortraitLandscape
+    public void testWorkspaceSwitchToAllApps() {
+        assertNotNull("switchToAllApps() returned null",
+                mLauncher.getWorkspace().switchToAllApps());
+        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
+    }
+
+    @Test
+    public void testAllAppsFromOverview() throws Exception {
+        // Test opening all apps from Overview.
+        assertNotNull("switchToAllApps() returned null",
+                mLauncher.getWorkspace().switchToOverview().switchToAllApps());
+
+        TaplTestsLauncher3.runAllAppsTest(this, mLauncher.getAllAppsFromOverview());
+    }
+
+    @Test
+    @PortraitLandscape
+    public void testOverview() throws Exception {
+        startTestApps();
+        Overview overview = mLauncher.pressHome().switchToOverview();
+        assertTrue("Launcher internal state didn't switch to Overview",
+                isInState(LauncherState.OVERVIEW));
+        executeOnLauncher(
+                launcher -> assertTrue("Don't have at least 3 tasks", getTaskCount(launcher) >= 3));
+
+        // Test flinging forward and backward.
+        executeOnLauncher(launcher -> assertEquals("Current task in Overview is not 0",
+                0, getCurrentOverviewPage(launcher)));
+
+        overview.flingForward();
+        assertTrue("Launcher internal state is not Overview", isInState(LauncherState.OVERVIEW));
+        final Integer currentTaskAfterFlingForward = getFromLauncher(
+                launcher -> getCurrentOverviewPage(launcher));
+        executeOnLauncher(launcher -> assertTrue("Current task in Overview is still 0",
+                currentTaskAfterFlingForward > 0));
+
+        overview.flingBackward();
+        assertTrue("Launcher internal state is not Overview", isInState(LauncherState.OVERVIEW));
+        executeOnLauncher(launcher -> assertTrue("Flinging back in Overview did nothing",
+                getCurrentOverviewPage(launcher) < currentTaskAfterFlingForward));
+
+        // Test opening a task.
+        OverviewTask task = mLauncher.pressHome().switchToOverview().getCurrentTask();
+        assertNotNull("overview.getCurrentTask() returned null (1)", task);
+        assertNotNull("OverviewTask.open returned null", task.open());
+        assertTrue("Contacts app didn't open from Overview", mDevice.wait(Until.hasObject(
+                By.pkg(resolveSystemApp(Intent.CATEGORY_APP_CONTACTS)).depth(0)),
+                LONG_WAIT_TIME_MS));
+        executeOnLauncher(launcher -> assertTrue(
+                "Launcher activity is the top activity; expecting another activity to be the top "
+                        + "one",
+                isInBackground(launcher)));
+
+        // Test dismissing a task.
+        overview = mLauncher.pressHome().switchToOverview();
+        assertTrue("Launcher internal state didn't switch to Overview",
+                isInState(LauncherState.OVERVIEW));
+        final Integer numTasks = getFromLauncher(launcher -> getTaskCount(launcher));
+        task = overview.getCurrentTask();
+        assertNotNull("overview.getCurrentTask() returned null (2)", task);
+        task.dismiss();
+        executeOnLauncher(
+                launcher -> assertEquals("Dismissing a task didn't remove 1 task from Overview",
+                        numTasks - 1, getTaskCount(launcher)));
+
+        if (!TestHelpers.isInLauncherProcess() ||
+                getFromLauncher(launcher -> !launcher.getDeviceProfile().isLandscape)) {
+            // Test switching to all apps and back.
+            final AllAppsFromOverview allApps = overview.switchToAllApps();
+            assertNotNull("overview.switchToAllApps() returned null (1)", allApps);
+            assertTrue("Launcher internal state is not All Apps (1)",
+                    isInState(LauncherState.ALL_APPS));
+
+            overview = allApps.switchBackToOverview();
+            assertNotNull("allApps.switchBackToOverview() returned null", overview);
+            assertTrue("Launcher internal state didn't switch to Overview",
+                    isInState(LauncherState.OVERVIEW));
+
+            // Test UIDevice.pressBack()
+            overview.switchToAllApps();
+            assertNotNull("overview.switchToAllApps() returned null (2)", allApps);
+            assertTrue("Launcher internal state is not All Apps (2)",
+                    isInState(LauncherState.ALL_APPS));
+            mDevice.pressBack();
+            mLauncher.getOverview();
+        }
+
+        // Test UIDevice.pressHome, once we are in AllApps.
+        mDevice.pressHome();
+        waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
+    }
+
+    private int getCurrentOverviewPage(Launcher launcher) {
+        return launcher.<RecentsView>getOverviewPanel().getCurrentPage();
+    }
+
+    private int getTaskCount(Launcher launcher) {
+        return launcher.<RecentsView>getOverviewPanel().getTaskViewCount();
+    }
+
+    @Test
+    public void testAppIconLaunchFromAllAppsFromOverview() throws Exception {
+        final AllApps allApps =
+                mLauncher.getWorkspace().switchToOverview().switchToAllApps();
+        assertTrue("Launcher internal state is not All Apps", isInState(LauncherState.ALL_APPS));
+
+        TaplTestsLauncher3.runIconLaunchFromAllAppsTest(this, allApps);
+    }
+
+    @Test
+    @QuickstepOnOff
+    @PortraitLandscape
+    public void testSwitchToOverview() throws Exception {
+        assertNotNull("Workspace.switchToOverview() returned null",
+                mLauncher.pressHome().switchToOverview());
+        assertTrue("Launcher internal state didn't switch to Overview",
+                isInState(LauncherState.OVERVIEW));
+    }
+
+    @Test
+    @QuickstepOnOff
+    @PortraitLandscape
+    public void testBackground() throws Exception {
+        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
+        final Background background = mLauncher.getBackground();
+        assertNotNull("Launcher.getBackground() returned null", background);
+        executeOnLauncher(launcher -> assertTrue(
+                "Launcher activity is the top activity; expecting another activity to be the top "
+                        + "one",
+                isInBackground(launcher)));
+
+        assertNotNull("Background.switchToOverview() returned null", background.switchToOverview());
+        assertTrue("Launcher internal state didn't switch to Overview",
+                isInState(LauncherState.OVERVIEW));
+    }
+}