tests/tests/content/src/android/content/res/cts/ColorStateListTest.java

/*
 * Copyright (C) 2009 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.content.res.cts;

import java.io.IOException;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.graphics.Color;
import android.os.Parcel;
import android.test.AndroidTestCase;

import com.android.cts.content.R;


public class ColorStateListTest extends AndroidTestCase {
    public void testColorStateList() throws NotFoundException, XmlPullParserException, IOException {
        final int[][] state = new int[][] { { 0 }, { 0 } };
        final int[] colors = new int[] { Color.RED, Color.BLUE };
        ColorStateList c = new ColorStateList(state, colors);
        assertTrue(c.isStateful());
        assertEquals(Color.RED, c.getDefaultColor());

        final int alpha = 36;
        final ColorStateList c1 = c.withAlpha(alpha);
        assertNotSame(Color.RED, c1.getDefaultColor());
        // check alpha
        assertEquals(alpha, c1.getDefaultColor() >>> 24);
        assertEquals(Color.RED & 0x00FF0000, c1.getDefaultColor() & 0x00FF0000);

        final int xmlId = R.drawable.testcolor;
        final int colorInXml = 0xFFA6C839;// this color value is define in testcolor.xml file.
        final Resources res = getContext().getResources();
        c = ColorStateList.createFromXml(res, res.getXml(xmlId));
        assertEquals(colorInXml, c.getDefaultColor());
        assertEquals(0, c.describeContents());
        assertFalse(c.isStateful());
        assertNotNull(c.toString());
        assertEquals(colorInXml, c.getColorForState(new int[]{0}, 0));

        c = ColorStateList.valueOf(Color.GRAY);
        assertEquals(Color.GRAY, c.getDefaultColor());

        final Parcel parcel = Parcel.obtain();
        c.writeToParcel(parcel, 0);
        parcel.setDataPosition(0);
        ColorStateList actual = ColorStateList.CREATOR.createFromParcel(parcel);
        // can only compare the state and the default color. because no API to
        // get every color of ColorStateList
        assertEquals(c.isStateful(), actual.isStateful());
        assertEquals(c.getDefaultColor(), actual.getDefaultColor());
    }
}