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Convert ColorUtilTest to Kotlin #38979

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Convert ColorUtilTest to Kotlin #38979

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52 changes: 0 additions & 52 deletions .../react-native/ReactAndroid/src/test/java/com/facebook/react/views/view/ColorUtilTest.java
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47 changes: 47 additions & 0 deletions ...es/react-native/ReactAndroid/src/test/java/com/facebook/react/views/view/ColorUtilTest.kt
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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
package com.facebook.react.views.view

import android.graphics.PixelFormat
import junit.framework.TestCase.assertEquals
import org.junit.Test
import org.junit.runner.RunWith
import org.robolectric.RobolectricTestRunner

/** Based on Fresco's DrawableUtilsTest (https://github.com/facebook/fresco). */
@RunWith(RobolectricTestRunner::class)
class ColorUtilTest {
@Test
fun testMultiplyColorAlpha() {
assertEquals(0x00123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 0))
assertEquals(0x07123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 10))
assertEquals(0x96123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 200))
assertEquals(0xC0123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 255))
}

@Test
fun 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.toInt()));
assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0123456.toInt()));
assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0FFFFFF.toInt()));
assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFF000000.toInt()));
assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFF123456.toInt()));
assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFFFFFFFF.toInt()));
}

@Test
fun testNormalize() {
assertEquals(0x800B1621U.toInt(), ColorUtil.normalize(11.0, 22.0, 33.0, 0.5));
assertEquals(0x00000000U.toInt(), ColorUtil.normalize(0.0, 0.0, 0.0, 0.0));
assertEquals(0xFFFFFFFFU.toInt(), ColorUtil.normalize(255.0, 255.0, 255.0, 1.0));
assertEquals(0xFF00FFFFU.toInt(), ColorUtil.normalize(-1.0, 256.0, 255.0, 1.1));
assertEquals(0x000001FFU.toInt(), ColorUtil.normalize(0.4, 0.5, 255.4, -1.0));
}
}