From c701b8ea6e426dcf37654d50076f8bcee561a664 Mon Sep 17 00:00:00 2001 From: Danesh M Date: Wed, 15 Jun 2016 11:44:10 -0700 Subject: CMSDK : Add tests for ColorUtils CYNGNOS-3047 Change-Id: Icdea3bd18f80302eb421cbd572abc9e6eeb30f0a --- .../org/cyanogenmod/tests/util/ColorUtilTest.java | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 tests/src/org/cyanogenmod/tests/util/ColorUtilTest.java (limited to 'tests') diff --git a/tests/src/org/cyanogenmod/tests/util/ColorUtilTest.java b/tests/src/org/cyanogenmod/tests/util/ColorUtilTest.java new file mode 100644 index 0000000..769ce66 --- /dev/null +++ b/tests/src/org/cyanogenmod/tests/util/ColorUtilTest.java @@ -0,0 +1,94 @@ +/** + * Copyright (c) 2016, The CyanogenMod 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 org.cyanogenmod.tests.util; + +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Color; +import android.graphics.Paint; +import android.graphics.drawable.BitmapDrawable; +import android.test.AndroidTestCase; +import android.util.MathUtils; +import cyanogenmod.util.ColorUtils; + +public class ColorUtilTest extends AndroidTestCase { + private ColorUtils mColorUtils; + + @Override + protected void setUp() throws Exception { + super.setUp(); + mColorUtils = new ColorUtils(); + } + + public void testDropAlpha() { + // With pre-existing alpha + int color = 0xBBCCDD; + int alpha = 0xAA000000; + int result = mColorUtils.dropAlpha(color | alpha); + // Assert alpha was removed + assertEquals(Color.alpha(result), 0); + // Ensure color is preserved + assertEquals(result & color, color); + + // Without pre-existing alpha + color = Color.argb(0, 100, 200 ,300); + result = mColorUtils.dropAlpha(color); + // Assert alpha was removed + assertEquals(Color.alpha(result), 0); + // Ensure color is preserved + assertEquals(result, color); + } + + public void testGenerateAlertColorFromDrawable() { + // Test null drawable + int color = mColorUtils.generateAlertColorFromDrawable(null); + assertEquals(color, Color.BLACK); + + Bitmap bitmap = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888); + Canvas canvas = new Canvas(bitmap); + canvas.drawColor(Color.RED); + + // Test fully red bitmap + BitmapDrawable bitmapDrawable = new BitmapDrawable(bitmap); + color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable); + assertEquals(color, Color.RED); + + // Test blue/red bitmap with blue dominating + Paint p = new Paint(); + p.setColor(Color.BLUE); + p.setStyle(Paint.Style.FILL_AND_STROKE); + canvas.drawRect(0, 0, 8, 8, p); + color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable); + assertEquals(color, Color.BLUE); + + // Test large white + small blue scenario + canvas.drawColor(Color.WHITE); + canvas.drawRect(0, 0, 2, 2, p); + color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable); + assertEquals(color, Color.BLUE); + + // Test large white + small black scenario + canvas.drawColor(Color.WHITE); + p.setColor(Color.BLACK); + canvas.drawRect(0, 0, 2, 2, p); + color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable); + assertEquals(color, Color.WHITE); + + assertEquals(bitmap.isRecycled(), false); + bitmap.recycle(); + } +} -- cgit v1.1