/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.views.view;
import android.graphics.PixelFormat;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.modules.junit4.rule.PowerMockRule;
import org.robolectric.RobolectricTestRunner;
import static org.junit.Assert.*;
/**
* Based on Fresco's DrawableUtilsTest (https://github.com/facebook/fresco).
*/
@RunWith(RobolectricTestRunner.class)
@PowerMockIgnore({"org.mockito.*", "org.robolectric.*", "android.*"})
public class ColorUtilTest {
@Rule
public PowerMockRule rule = new PowerMockRule();
@Test
public void testMultiplyColorAlpha() {
assertEquals(0x00123456, ColorUtil.multiplyColorAlpha(0xC0123456, 0));
assertEquals(0x07123456, ColorUtil.multiplyColorAlpha(0xC0123456, 10));
assertEquals(0x96123456, ColorUtil.multiplyColorAlpha(0xC0123456, 200));
assertEquals(0xC0123456, ColorUtil.multiplyColorAlpha(0xC0123456, 255));
}
@Test
public void testGetOpacityFromColor() {
assertEquals(PixelFormat.TRANSPARENT, ColorUtil.getOpacityFromColor(0x00000000));
assertEquals(PixelFormat.TRANSPARENT, ColorUtil.getOpacityFromColor(0x00123456));
assertEquals(PixelFormat.TRANSPARENT, ColorUtil.getOpacityFromColor(0x00FFFFFF));
assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0000000));
assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0123456));
assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0FFFFFF));
assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFF000000));
assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFF123456));
assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFFFFFFFF));
}
}