Merge "Allow appending static preferences to RadioButtonPickerFragment"

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

@@ -18,6 +18,7 @@ package com.android.settings.widget;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
@@ -37,7 +38,9 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Answers;
+import org.mockito.InOrder;
 import org.mockito.Mock;
+import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
 
@@ -98,6 +101,26 @@ public class RadioButtonPickerFragmentTest {
         assertThat(mFragment.setDefaultKeyCalled).isTrue();
     }
 
+    @Test
+    public void staticPreferencesPrepended_addedFirst() {
+        mFragment.mAppendStaticPreferences = false;
+        mFragment.updateCandidates();
+
+        InOrder inOrder = Mockito.inOrder(mFragment);
+        inOrder.verify(mFragment).addStaticPreferences(any());
+        inOrder.verify(mFragment).getRadioButtonPreferenceCustomLayoutResId();
+    }
+
+    @Test
+    public void staticPreferencesAppended_addedLast() {
+        mFragment.mAppendStaticPreferences = true;
+        mFragment.updateCandidates();
+
+        InOrder inOrder = Mockito.inOrder(mFragment);
+        inOrder.verify(mFragment).mayCheckOnlyRadioButton();
+        inOrder.verify(mFragment).addStaticPreferences(any());
+    }
+
     @Test
     public void shouldHaveNoCustomPreferenceLayout() {
         assertThat(mFragment.getRadioButtonPreferenceCustomLayoutResId()).isEqualTo(0);