1 files changed, 48 insertions, 0 deletions

diff --git a/sample_updater/tests/src/com/example/android/systemupdatersample/ui/MainActivityTest.java b/sample_updater/tests/src/com/example/android/systemupdatersample/ui/MainActivityTest.java
new file mode 100644
index 000000000..01014168a
--- /dev/null
+++ b/sample_updater/tests/src/com/example/android/systemupdatersample/ui/MainActivityTest.java
@@ -0,0 +1,48 @@
+/*
+ * 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.example.android.systemupdatersample.ui;
+
+import static org.junit.Assert.assertNotNull;
+
+import android.support.test.filters.MediumTest;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Make sure that the main launcher activity opens up properly, which will be
+ * verified by {@link #activityLaunches}.
+ */
+@RunWith(AndroidJUnit4.class)
+@MediumTest
+public class MainActivityTest {
+
+    @Rule
+    public final ActivityTestRule<MainActivity> mActivityRule =
+            new ActivityTestRule<>(MainActivity.class);
+
+    /**
+     * Verifies that the activity under test can be launched.
+     */
+    @Test
+    public void activityLaunches() {
+        assertNotNull(mActivityRule.getActivity());
+    }
+}