Add test for LocalClassLoaderContextThemeWrapper.

Bug: 32426306
Test: make RunSettingsRoboTests
Change-Id: I0b46f8ca69c50c86626bae717bac334b1bb7addf

tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java

@@ -16,13 +16,10 @@
 package com.android.settings.dashboard;
 
 import android.content.Context;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
-import com.android.settings.SettingsActivity;
+
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import com.android.settings.core.PreferenceController;
@@ -31,8 +28,7 @@ import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
-import java.util.ArrayList;
+
-import java.util.List;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -42,6 +38,9 @@ import org.mockito.MockitoAnnotations;
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowApplication;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;

tests/robotests/src/com/android/settings/utils/LocalClassLoaderContextThemeWrapperTest.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016 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.settings.utils;
+
+import android.content.Context;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+import static com.google.common.truth.Truth.assertThat;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class LocalClassLoaderContextThemeWrapperTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mBaseContext;
+    private LocalClassLoaderContextThemeWrapper mContextThemeWrapper;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void getClassLoader_shouldUseLocalClassLoader() {
+        mContextThemeWrapper = new LocalClassLoaderContextThemeWrapper(
+                LocalClassLoaderContextThemeWrapperTest.class, mBaseContext, 0);
+
+        assertThat(mContextThemeWrapper.getClassLoader()).isSameAs(
+                LocalClassLoaderContextThemeWrapperTest.class.getClassLoader());
+    }
+}