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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.tv.firefox.helpers
import android.graphics.Bitmap
import android.graphics.Color
import org.junit.Assert.assertEquals
/**
* Asserts the two bitmaps are the same by ensuring their dimensions, config, and
* pixel data are the same (within the provided delta): this is the same metrics that
* [Bitmap.sameAs] uses.
*/
fun assertEqualsWithDelta(expectedB: Bitmap, actualB: Bitmap, delta: Float) {
assertEquals("widths should be equal", expectedB.width, actualB.width)
assertEquals("heights should be equal", expectedB.height, actualB.height)
assertEquals("config should be equal", expectedB.config, actualB.config)
for (i in 0 until expectedB.width) {
for (j in 0 until expectedB.height) {
val ePx = expectedB.getPixel(i, j)
val aPx = actualB.getPixel(i, j)
val warn = "Pixel ${i}x$j"
assertEquals("$warn a", Color.alpha(ePx).toFloat(), Color.alpha(aPx).toFloat(), delta)
assertEquals("$warn r", Color.red(ePx).toFloat(), Color.red(aPx).toFloat(), delta)
assertEquals("$warn g", Color.green(ePx).toFloat(), Color.green(aPx).toFloat(), delta)
assertEquals("$warn b", Color.blue(ePx).toFloat(), Color.blue(aPx).toFloat(), delta)
}
}
}