Add color temperature preference to Night Display

Bug: 32463283
Test: make RunSettingsRoboTests
Change-Id: Ibf3cf9af05b44a071603d3d7efa6e90ae00c823a

tests/robotests/src/com/android/settings/widget/DefaultIndicatorSeekBarTest.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2017 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.widget;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import static junit.framework.Assert.assertEquals;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class DefaultIndicatorSeekBarTest {
+
+    private DefaultIndicatorSeekBar mDefaultIndicatorSeekBar;
+
+    @Before
+    public void setUp() {
+        mDefaultIndicatorSeekBar = new DefaultIndicatorSeekBar(RuntimeEnvironment.application);
+        mDefaultIndicatorSeekBar.setMax(100);
+    }
+
+    @After
+    public void tearDown() {
+        mDefaultIndicatorSeekBar = null;
+    }
+
+    @Test
+    public void defaultProgress_setSucceeds() {
+        mDefaultIndicatorSeekBar.setDefaultProgress(40);
+        assertEquals(40, mDefaultIndicatorSeekBar.getDefaultProgress());
+    }
+
+}