/*
 * Copyright 2018 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.appcompat.res.content;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import android.app.Activity;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.support.test.filters.SmallTest;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.content.res.AppCompatResources;
import androidx.appcompat.test.R;
import androidx.appcompat.testutils.TestUtils;
import androidx.core.graphics.ColorUtils;

import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

@SmallTest
@RunWith(AndroidJUnit4.class)
public class AppCompatResourcesTestCase {
    @Rule
    public final ActivityTestRule<AppCompatActivity> mActivityTestRule;

    public AppCompatResourcesTestCase() {
        mActivityTestRule = new ActivityTestRule<>(AppCompatActivity.class);
    }

    @Test
    public void testGetColorStateListWithThemedAttributes() {
        final Activity context = mActivityTestRule.getActivity();

        final int colorForegound = TestUtils.getThemeAttrColor(
                context, android.R.attr.colorForeground);

        final ColorStateList result = AppCompatResources.getColorStateList(
                context, R.color.color_state_list_themed_attrs);

        assertNotNull(result);

        // Now check the state colors

        // Disabled color should equals colorForeground with 50% of its alpha
        final int expectedDisabled = ColorUtils.setAlphaComponent(colorForegound,
                Math.round(Color.alpha(colorForegound) * 0.5f));
        assertEquals(expectedDisabled, result.getColorForState(
                new int[]{-android.R.attr.state_enabled}, 0));

        // Default color should equal colorForeground
        assertEquals(colorForegound, result.getDefaultColor());
    }

    @Test
    public void testGetDrawableVectorResource() {
        final Activity context = mActivityTestRule.getActivity();
        assertNotNull(AppCompatResources.getDrawable(context, R.drawable.test_vector_off));
    }

}