Merge "Resume-on-Reboot: normalize screen state" into rvc-dev
diff --git a/hostsidetests/appsecurity/src/android/appsecurity/cts/NormalizeScreenStateRule.java b/hostsidetests/appsecurity/src/android/appsecurity/cts/NormalizeScreenStateRule.java
new file mode 100644
index 0000000..5731457
--- /dev/null
+++ b/hostsidetests/appsecurity/src/android/appsecurity/cts/NormalizeScreenStateRule.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2020 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 android.appsecurity.cts;
+
+import static org.junit.Assert.fail;
+
+import com.android.tradefed.device.DeviceNotAvailableException;
+import com.android.tradefed.device.ITestDevice;
+import com.android.tradefed.testtype.ITestInformationReceiver;
+import com.android.tradefed.util.CommandResult;
+import com.android.tradefed.util.CommandStatus;
+
+import org.junit.rules.TestRule;
+import org.junit.runner.Description;
+import org.junit.runners.model.Statement;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * {@link TestRule} class that disables screen saver and doze settings before each test method
+ * running and restoring to initial values after test method finished.
+ */
+public class NormalizeScreenStateRule implements TestRule {
+    private final ITestInformationReceiver mTestInformationReceiver;
+
+    public NormalizeScreenStateRule(ITestInformationReceiver testInformationReceiver) {
+        mTestInformationReceiver = testInformationReceiver;
+    }
+
+    /** Doze items copied from ActivityManagerTestBase since the keys are hidden. */
+    private static final String[] DOZE_SETTINGS = {
+            "doze_enabled",
+            "doze_always_on",
+            "doze_pulse_on_pick_up",
+            "doze_pulse_on_long_press",
+            "doze_pulse_on_double_tap",
+            "doze_wake_screen_gesture",
+            "doze_wake_display_gesture",
+            "doze_tap_gesture",
+            "screensaver_enabled",
+    };
+
+    private ITestDevice getDevice() {
+        return mTestInformationReceiver.getTestInformation().getDevice();
+    }
+
+    private String getSecureSetting(String key) {
+        try {
+            CommandResult res = getDevice().executeShellV2Command("settings get secure " + key);
+            if (res.getStatus() != CommandStatus.SUCCESS) {
+                fail("Could not set setting " + key + ": " + res.getStdout());
+            }
+            return res.getStdout().trim();
+        } catch (DeviceNotAvailableException e) {
+            fail("Could not connect to device: " + e.getMessage());
+            return null;
+        }
+    }
+
+    private void putSecureSetting(String key, String value) {
+        try {
+            CommandResult res = getDevice().executeShellV2Command(
+                    "settings put secure " + key + " " + value);
+            if (res.getStatus() != CommandStatus.SUCCESS) {
+                fail("Could not set setting " + key + ": " + res.getStdout());
+            }
+        } catch (DeviceNotAvailableException e) {
+            fail("Could not connect to device: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public Statement apply(Statement base, Description description) {
+        return new Statement() {
+            @Override
+            public void evaluate() throws Throwable {
+                final Map<String, String> initialValues = new HashMap<>();
+                Arrays.stream(DOZE_SETTINGS).forEach(
+                        k -> initialValues.put(k, getSecureSetting(k)));
+                try {
+                    Arrays.stream(DOZE_SETTINGS).forEach(k -> putSecureSetting(k, "0"));
+                    base.evaluate();
+                } finally {
+                    Arrays.stream(DOZE_SETTINGS).forEach(
+                            k -> putSecureSetting(k, initialValues.get(k)));
+                }
+            }
+        };
+    }
+}
diff --git a/hostsidetests/appsecurity/src/android/appsecurity/cts/ResumeOnRebootHostTest.java b/hostsidetests/appsecurity/src/android/appsecurity/cts/ResumeOnRebootHostTest.java
index a35b974..557596a 100644
--- a/hostsidetests/appsecurity/src/android/appsecurity/cts/ResumeOnRebootHostTest.java
+++ b/hostsidetests/appsecurity/src/android/appsecurity/cts/ResumeOnRebootHostTest.java
@@ -32,6 +32,7 @@
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -65,6 +66,9 @@
 
     private boolean mSupportsMultiUser;
 
+    @Rule
+    public NormalizeScreenStateRule mNoDozeRule = new NormalizeScreenStateRule(this);
+
     @Before
     public void setUp() throws Exception {
         assertNotNull(getAbi());