/*
 * Copyright 2021 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 androidx.emoji2.text;

import static org.mockito.Mockito.mock;

import android.graphics.Typeface;

import androidx.annotation.NonNull;

public class NoFontTestEmojiConfig extends EmojiCompat.Config {

    static EmojiCompat.Config emptyConfig() {
        return new NoFontTestEmojiConfig(new EmptyEmojiDataLoader());
    }

    static EmojiCompat.Config neverLoadsConfig() {
        return new NoFontTestEmojiConfig(new NeverCompletesMetadataRepoLoader());
    }

    static EmojiCompat.Config fromLoader(EmojiCompat.MetadataRepoLoader loader) {
        return new NoFontTestEmojiConfig(loader);
    }

    private NoFontTestEmojiConfig(EmojiCompat.MetadataRepoLoader loader) {
        super(loader);
    }

    private static class EmptyEmojiDataLoader implements EmojiCompat.MetadataRepoLoader {
        @Override
        public void load(@NonNull EmojiCompat.MetadataRepoLoaderCallback loaderCallback) {
            loaderCallback.onLoaded(MetadataRepo.create(mock(Typeface.class)));
        }
    }

    private static class NeverCompletesMetadataRepoLoader
            implements EmojiCompat.MetadataRepoLoader {
        @Override
        public void load(@NonNull final EmojiCompat.MetadataRepoLoaderCallback loaderCallback) {
            // do nothing, this will be called on the test thread and is a no-op
        }
    }
}

@@ -715,16 +715,41 @@
 ypeface;
+%0Aimport android.os.Build;
 %0A%0Aimport
@@ -778,16 +778,103 @@
 onNull;%0A
+import androidx.annotation.RequiresApi;%0A%0A@RequiresApi(api = Build.VERSION_CODES.KITKAT)
 %0Apublic 

Add RequiresApi annotation to NoFontTestEmojiConfig