Merge "Update the dark theme and EDT description" into main

tests/robotests/src/com/android/settings/display/darkmode/DarkModeTopIntroPreferenceControllerTest.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2025 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.display.darkmode;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.annotations.EnableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
+import android.view.accessibility.Flags;
+
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+import com.android.settingslib.widget.TopIntroPreference;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+import org.robolectric.RobolectricTestRunner;
+
+/**
+ * Tests for {@link DarkModeTopIntroPreferenceController}.
+ */
+@RunWith(RobolectricTestRunner.class)
+public class DarkModeTopIntroPreferenceControllerTest {
+    @Rule
+    public final MockitoRule mocks = MockitoJUnit.rule();
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    private static final String PREFERENCE_KEY = "preference_key";
+
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private TopIntroPreference mPreference;
+    private DarkModeTopIntroPreferenceController mController;
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mController = new DarkModeTopIntroPreferenceController(mContext, PREFERENCE_KEY);
+        when(mScreen.findPreference(PREFERENCE_KEY)).thenReturn(mPreference);
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_FORCE_INVERT_COLOR)
+    public void enableForceInvert_newPreferenceTitle() {
+        mController.displayPreference(mScreen);
+
+        verify(mPreference).setTitle(eq(R.string.dark_ui_text_force_invert));
+    }
+
+    @Test
+    @DisableFlags(Flags.FLAG_FORCE_INVERT_COLOR)
+    public void disableForceInvert_originalPreferenceTitle() {
+        mController.displayPreference(mScreen);
+
+        verify(mPreference).setTitle(eq(R.string.dark_ui_text));
+    }
+}