tests/tests/uirendering/src/android/uirendering/cts/testclasses/ShadowTests.java

/*
 * Copyright (C) 2015 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 android.uirendering.cts.testclasses;

import android.graphics.Color;
import android.graphics.Point;
import android.uirendering.cts.bitmapverifiers.SamplePointVerifier;

import com.android.cts.uirendering.R;

import android.test.suitebuilder.annotation.SmallTest;
import android.uirendering.cts.testinfrastructure.ActivityTestBase;

public class ShadowTests extends ActivityTestBase {
    @SmallTest
    public void testShadowLayout() {
        int shadowColorValue = 0xDB;
        // Android TV theme overrides shadow opacity to be darker.
        if (getActivity().getOnTv()) {
            shadowColorValue = 0xBB;
        }
        // Use a higher threshold (30) than default value (20);
        SamplePointVerifier verifier = new SamplePointVerifier(
                new Point[] {
                        // view area
                        new Point(25, 64),
                        new Point(64, 64),
                        // shadow area
                        new Point(25, 65),
                        new Point(64, 65)
                },
                new int[] {
                        Color.WHITE,
                        Color.WHITE,
                        Color.rgb(shadowColorValue, shadowColorValue, shadowColorValue),
                        Color.rgb(shadowColorValue, shadowColorValue, shadowColorValue),
                },
                30);
        createTest()
                .addLayout(R.layout.simple_shadow_layout, null, true/* HW only */)
                .runWithVerifier(verifier);
    }
}