Upstream oodles of Chrome for Android code into Chromium.

chrome/test/android/javatests_staging/src/org/chromium/chrome/test/ChromeTabbedActivityLollipopAndAboveTest.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.test;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.Build;
+import android.test.suitebuilder.annotation.MediumTest;
+
+import org.chromium.base.ApplicationStatus;
+import org.chromium.base.ThreadUtils;
+import org.chromium.base.test.util.MinAndroidSdkLevel;
+import org.chromium.base.test.util.Restriction;
+import org.chromium.chrome.browser.ChromeTabbedActivity;
+import org.chromium.chrome.browser.document.ChromeLauncherActivity;
+import org.chromium.chrome.browser.document.DocumentActivity;
+import org.chromium.chrome.browser.document.DocumentMetricIds;
+import org.chromium.chrome.browser.util.FeatureUtilities;
+import org.chromium.chrome.test.util.ActivityUtils;
+import org.chromium.content.browser.test.util.Criteria;
+import org.chromium.content.browser.test.util.CriteriaHelper;
+
+import java.lang.ref.WeakReference;
+import java.util.List;
+
+/**
+ * Tests for ChromeTabbedActivity that need to run on L+ devices.
+ */
+@MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP)
+public class ChromeTabbedActivityLollipopAndAboveTest extends ChromeTabbedActivityTestBase {
+    /**
+     * Confirm that you can't start DocumentActivity while the user is running in tabbed mode.
+     */
+    @Restriction(Restriction.RESTRICTION_TYPE_PHONE)
+    @MediumTest
+    public void testDontKeepDocumentActivityInTabbedMode() throws Exception {
+        // Make sure that ChromeTabbedActivity started up.
+        Context context = getInstrumentation().getTargetContext();
+        assertFalse(FeatureUtilities.isDocumentMode(context));
+        assertTrue(CriteriaHelper.pollForUIThreadCriteria(new Criteria() {
+            @Override
+            public boolean isSatisfied() {
+                Activity lastActivity = ApplicationStatus.getLastTrackedFocusedActivity();
+                return lastActivity instanceof ChromeTabbedActivity;
+            }
+        }));
+
+        // Try launching a DocumentActivity.
+        Runnable runnable = new Runnable() {
+            @Override
+            public void run() {
+                ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+                    @Override
+                    public void run() {
+                        ChromeLauncherActivity.launchDocumentInstance(null, false,
+                                ChromeLauncherActivity.LAUNCH_MODE_FOREGROUND, "about:blank",
+                                DocumentMetricIds.STARTED_BY_UNKNOWN, 0, false, null);
+                    }
+                });
+            }
+        };
+        final Activity documentActivity = ActivityUtils.waitForActivity(
+                getInstrumentation(), DocumentActivity.class, runnable);
+
+        // ApplicationStatus should note that the DocumentActivity isn't running anymore.
+        assertTrue(CriteriaHelper.pollForUIThreadCriteria(new Criteria() {
+            @Override
+            public boolean isSatisfied() {
+                List<WeakReference<Activity>> activities = ApplicationStatus.getRunningActivities();
+                for (WeakReference<Activity> activity : activities) {
+                    if (activity.get() == documentActivity) return false;
+                }
+                return true;
+            }
+        }));
+    }
+
+    @Override
+    public void startMainActivity() throws InterruptedException {
+        startMainActivityOnBlankPage();
+    }
+}