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authorDanesh M <danesh@cyngn.com>2016-06-15 11:44:10 -0700
committerDanesh M <daneshm90@gmail.com>2016-06-15 13:38:40 -0700
commitc701b8ea6e426dcf37654d50076f8bcee561a664 (patch)
treed894779da4c94c331241d9030ec34d031a0d5618
parent60c6053a92501b5cea1206f982ba21d1646c8f8b (diff)
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CMSDK : Add tests for ColorUtils
CYNGNOS-3047 Change-Id: Icdea3bd18f80302eb421cbd572abc9e6eeb30f0a
-rw-r--r--tests/src/org/cyanogenmod/tests/util/ColorUtilTest.java94
1 files changed, 94 insertions, 0 deletions
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();
+ }
+}