Update README.md

Reviewed-on: Infendro/bytes-kt#10

.gitea/workflows/main.yaml

@@ -1,36 +0,0 @@
-on:
-  push:
-    branches:
-      - main
-
-env:
-  INFENDRO__TOKEN: ${{ secrets.TOKEN }}
-
-jobs:
-  publish:
-    runs-on: linux
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/cache/restore@v4
-        with:
-          key: gradle
-          path: |
-            ~/.gradle/caches/
-            ~/.gradle/wrapper/
-            ~/.konan/
-
-      - uses: actions/setup-java@v4
-        with:
-          java-version: '24'
-          distribution: 'temurin'
-
-      - run: ./gradlew publish
-
-      - uses: actions/cache/save@v4
-        with:
-          key: gradle
-          path: |
-            ~/.gradle/caches/
-            ~/.gradle/wrapper/
-            ~/.konan/

.gitea/workflows/publish.yaml

@@ -0,0 +1,47 @@
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  publish:
+    runs-on: linux
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '24'
+          distribution: 'temurin'
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          key: gradle-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: gradle
+          path: |
+            ~/.gradle/caches/
+            ~/.gradle/wrapper/
+
+      - name: Cache Konan
+        uses: actions/cache@v4
+        with:
+          key: konan-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: konan
+          path: |
+            ~/.konan/
+
+      - name: Cache Node
+        uses: actions/cache@v4
+        with:
+          key: node-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: node
+          path: |
+            ~/.gradle/nodejs
+            ~/.gradle/yarn
+
+      - name: Publish
+        run: ./gradlew publish
+        env:
+          INFENDRO__TOKEN: ${{ secrets.TOKEN }}

.gitea/workflows/test.yaml

@@ -0,0 +1,28 @@
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: linux
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '24'
+          distribution: 'temurin'
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          key: gradle-${{ hashFiles('**/libs.versions.toml') }}
+          restore-keys: gradle
+          path: |
+            ~/.gradle/caches/
+            ~/.gradle/wrapper/
+
+      - name: Test
+        run: ./gradlew jvmTest

README.md

@@ -1,15 +1,6 @@
-# bytearray-kt
+# bytes.kt
 
-`bytearray-kt` is a Kotlin Multiplatform library that provides helper functions for working with `ByteArray`.
-
-## Targets
-
-| Target           | Status        |
-|------------------|---------------|
-| JVM              | Supported     |
-| JavaScript       | Supported     |
-| Native (Linux)   | Supported     |
-| Native (Windows) | Not Supported |
+`bytes.kt` is a Kotlin Multiplatform library that provides helper functions for working with bytes.
 
 ## Installation
 
@@ -20,7 +11,7 @@ repositories {
     maven("https://git.infendro.com/api/packages/Infendro/maven")
 }
 
-dependencies {
-    implementation("com.infendro:bytearray:1.2.4")
+commonMain.dependencies {
+    implementation("com.infendro:bytes:1.4.2")
 }
 ```

build.gradle.kts

@@ -1,8 +1,11 @@
+@file:OptIn(ExperimentalWasmDsl::class)
+
 import com.infendro.plugin.infendro
 import com.infendro.plugin.token
+import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
 
 group = "com.infendro"
-version = "1.2.4"
+version = "1.4.2"
 
 plugins {
     alias(libs.plugins.infendro)
@@ -12,10 +15,14 @@ plugins {
 
 kotlin {
     jvm()
-    js {
-        nodejs()
-    }
     linuxX64()
+    linuxArm64()
+    mingwX64()
+    macosX64()
+    macosArm64()
+    js { nodejs() }
+    wasmJs { nodejs() }
+    wasmWasi { nodejs() }
 
     repositories {
         mavenCentral()
@@ -26,10 +33,6 @@ kotlin {
             implementation(libs.test)
         }
     }
-
-    compilerOptions {
-        freeCompilerArgs.add("-opt-in=kotlin.ExperimentalUnsignedTypes")
-    }
 }
 
 publishing.repositories {

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
-infendro = "1.0.0"
-kotlin = "2.2.21"
+infendro = "1.1.0"
+kotlin = "2.3.0"
 
 [plugins]
 infendro = { id = "com.infendro.plugin", version.ref = "infendro" }

settings.gradle.kts

@@ -1,4 +1,4 @@
-rootProject.name = "bytearray"
+rootProject.name = "bytes"
 
 pluginManagement.repositories {
     maven("https://git.infendro.com/api/packages/Infendro/maven")

src/commonMain/kotlin/com/infendro/bytearray/ByteOrder.kt

@@ -1,19 +0,0 @@
-package com.infendro.bytearray
-
-import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
-import com.infendro.bytearray.ByteOrder.LITTLE_ENDIAN
-
-enum class ByteOrder {
-    BIG_ENDIAN, LITTLE_ENDIAN;
-}
-
-fun ByteArray.normalize(
-    order: ByteOrder,
-): ByteArray = when (order) {
-    BIG_ENDIAN -> this
-    LITTLE_ENDIAN -> reversedArray()
-}
-
-fun UByteArray.normalize(
-    order: ByteOrder,
-): UByteArray = asByteArray().normalize(order).asUByteArray()

src/commonMain/kotlin/com/infendro/bytearray/Conversion.kt

@@ -1,181 +0,0 @@
-package com.infendro.bytearray
-
-import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
-
-fun ByteArray.toInt(
-    order: ByteOrder = BIG_ENDIAN,
-): Int {
-    if (size != 4)
-        throw IllegalArgumentException()
-
-    return normalize(order)
-        .fold(0) { acc, byte -> (acc shl 8) or (byte.toInt() and 0xFF) }
-}
-
-fun UByteArray.toInt(
-    order: ByteOrder = BIG_ENDIAN,
-): Int = asByteArray().toInt(order)
-
-fun ByteArray.toUInt(
-    order: ByteOrder = BIG_ENDIAN,
-): UInt = toInt(order).toUInt()
-
-fun UByteArray.toUInt(
-    order: ByteOrder = BIG_ENDIAN,
-): UInt = asByteArray().toUInt(order)
-
-fun ByteArray.toIntArray(
-    order: ByteOrder = BIG_ENDIAN,
-): IntArray {
-    if (size % 4 != 0)
-        throw IllegalArgumentException()
-
-    return asList()
-        .chunked(4) { it.toByteArray().toInt(order) }
-        .toIntArray()
-}
-
-fun UByteArray.toIntArray(
-    order: ByteOrder = BIG_ENDIAN,
-): IntArray = asByteArray().toIntArray(order)
-
-fun ByteArray.toUIntArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UIntArray = toIntArray(order).asUIntArray()
-
-fun UByteArray.toUIntArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UIntArray = asByteArray().toUIntArray(order)
-
-fun Int.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = ByteArray(4) { i ->
-        val offset = (3 - i) * 8
-        (this ushr offset).toByte()
-    }
-    return bytes.normalize(order)
-}
-
-fun UInt.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray = toInt().toByteArray(order)
-
-fun Int.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = toByteArray(order).asUByteArray()
-
-fun UInt.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = toInt().toUByteArray(order)
-
-fun IntArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    for (n in this) {
-        bytes += n.toByteArray(order).toList()
-    }
-    return bytes.toByteArray()
-}
-
-fun UIntArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray = asIntArray().toByteArray(order)
-
-fun IntArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = toByteArray(order).asUByteArray()
-
-fun UIntArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = asIntArray().toUByteArray(order)
-
-fun ByteArray.toLong(
-    order: ByteOrder = BIG_ENDIAN,
-): Long {
-    if (size != 8)
-        throw IllegalArgumentException()
-
-    return normalize(order)
-        .fold(0L) { acc, byte -> (acc shl 8) or (byte.toLong() and 0xFFL) }
-}
-
-fun UByteArray.toLong(
-    order: ByteOrder = BIG_ENDIAN,
-): Long = asByteArray().toLong(order)
-
-fun ByteArray.toULong(
-    order: ByteOrder = BIG_ENDIAN,
-): ULong = toLong(order).toULong()
-
-fun UByteArray.toULong(
-    order: ByteOrder = BIG_ENDIAN,
-): ULong = asByteArray().toULong(order)
-
-fun ByteArray.toLongArray(
-    order: ByteOrder = BIG_ENDIAN,
-): LongArray {
-    if (size % 8 != 0)
-        throw IllegalArgumentException()
-
-    return asList()
-        .chunked(8) { it.toByteArray().toLong(order) }
-        .toLongArray()
-}
-
-fun UByteArray.toLongArray(
-    order: ByteOrder = BIG_ENDIAN,
-): LongArray = asByteArray().toLongArray(order)
-
-fun ByteArray.toULongArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ULongArray = toLongArray(order).asULongArray()
-
-fun UByteArray.toULongArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ULongArray = asByteArray().toULongArray(order)
-
-fun Long.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = ByteArray(8) { i ->
-        val offset = (7 - i) * 8
-        (this ushr offset).toByte()
-    }
-    return bytes.normalize(order)
-}
-
-fun ULong.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray = toLong().toByteArray(order)
-
-fun Long.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = toByteArray(order).asUByteArray()
-
-fun ULong.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = toLong().toUByteArray(order)
-
-fun LongArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    for (n in this) {
-        bytes += n.toByteArray(order).asList()
-    }
-    return bytes.toByteArray()
-}
-
-fun ULongArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray = asLongArray().toByteArray(order)
-
-fun LongArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = toByteArray(order).asUByteArray()
-
-fun ULongArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray = asLongArray().toUByteArray(order)

src/commonMain/kotlin/com/infendro/bytearray/Modification.kt

@@ -1,35 +0,0 @@
-package com.infendro.bytearray
-
-fun ByteArray.padStart(
-    length: Int,
-    padByte: Byte,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    repeat(length - size) {
-        bytes += padByte
-    }
-    bytes += this.asList()
-    return bytes.toByteArray()
-}
-
-fun UByteArray.padStart(
-    length: Int,
-    padByte: UByte,
-): UByteArray = asByteArray().padStart(length, padByte.toByte()).asUByteArray()
-
-fun ByteArray.padEnd(
-    length: Int,
-    padByte: Byte,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    bytes += this.asList()
-    repeat(length - size) {
-        bytes += padByte
-    }
-    return bytes.toByteArray()
-}
-
-fun UByteArray.padEnd(
-    length: Int,
-    padByte: UByte,
-): UByteArray = asByteArray().padEnd(length, padByte.toByte()).asUByteArray()

src/commonMain/kotlin/com/infendro/bytearray/Operators.kt

@@ -1,50 +0,0 @@
-package com.infendro.bytearray
-
-import kotlin.experimental.and
-import kotlin.experimental.or
-import kotlin.experimental.xor
-
-infix fun ByteArray.and(
-    that: ByteArray,
-): ByteArray {
-    if (this.size != that.size)
-        throw IllegalArgumentException()
-
-    return ByteArray(size) { i ->
-        this[i] and that[i]
-    }
-}
-
-infix fun UByteArray.and(
-    that: UByteArray,
-): UByteArray = (this.asByteArray() and that.asByteArray()).asUByteArray()
-
-infix fun ByteArray.or(
-    that: ByteArray,
-): ByteArray {
-    if (this.size != that.size)
-        throw IllegalArgumentException()
-
-    return ByteArray(size) { i ->
-        this[i] or that[i]
-    }
-}
-
-infix fun UByteArray.or(
-    that: UByteArray,
-): UByteArray = (this.asByteArray() or that.asByteArray()).asUByteArray()
-
-infix fun ByteArray.xor(
-    that: ByteArray,
-): ByteArray {
-    if (this.size != that.size)
-        throw IllegalArgumentException()
-
-    return ByteArray(size) { i ->
-        this[i] xor that[i]
-    }
-}
-
-infix fun UByteArray.xor(
-    that: UByteArray,
-): UByteArray = (this.asByteArray() xor that.asByteArray()).asUByteArray()

src/commonMain/kotlin/com/infendro/bytearray/String.kt

@@ -1,7 +0,0 @@
-package com.infendro.bytearray
-
-fun String.encodeToUByteArray(): UByteArray =
-    encodeToByteArray().asUByteArray()
-
-fun UByteArray.decodeToString(): String =
-    asByteArray().decodeToString()

src/commonMain/kotlin/com/infendro/bytes/ByteOrder.kt

@@ -0,0 +1,5 @@
+package com.infendro.bytes
+
+enum class ByteOrder {
+    BIG_ENDIAN, LITTLE_ENDIAN;
+}

src/commonMain/kotlin/com/infendro/bytes/byte/Operator.kt

@@ -0,0 +1,7 @@
+package com.infendro.bytes.byte
+
+import kotlin.experimental.inv
+
+operator fun Byte.not(): Byte {
+    return inv()
+}

src/commonMain/kotlin/com/infendro/bytes/bytearray/Conversion.kt

@@ -0,0 +1,145 @@
+package com.infendro.bytes.bytearray
+
+import com.infendro.bytes.ByteOrder
+import com.infendro.bytes.ByteOrder.BIG_ENDIAN
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+
+fun ByteArray.toInt(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN): Int {
+    require(startIndex in 0..(size - 4))
+
+    return when (order) {
+        BIG_ENDIAN -> {
+            ((this[startIndex].toInt() and 0xFF) shl 24) or
+                    ((this[startIndex + 1].toInt() and 0xFF) shl 16) or
+                    ((this[startIndex + 2].toInt() and 0xFF) shl 8) or
+                    (this[startIndex + 3].toInt() and 0xFF)
+        }
+        LITTLE_ENDIAN -> {
+            (this[startIndex].toInt() and 0xFF) or
+                    ((this[startIndex + 1].toInt() and 0xFF) shl 8) or
+                    ((this[startIndex + 2].toInt() and 0xFF) shl 16) or
+                    ((this[startIndex + 3].toInt() and 0xFF) shl 24)
+        }
+    }
+}
+
+fun ByteArray.toLong(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN): Long {
+    require(startIndex in 0..(size - 8))
+
+    return when (order) {
+        BIG_ENDIAN -> {
+            ((this[startIndex].toLong() and 0xFFL) shl 56) or
+                    ((this[startIndex + 1].toLong() and 0xFFL) shl 48) or
+                    ((this[startIndex + 2].toLong() and 0xFFL) shl 40) or
+                    ((this[startIndex + 3].toLong() and 0xFFL) shl 32) or
+                    ((this[startIndex + 4].toLong() and 0xFFL) shl 24) or
+                    ((this[startIndex + 5].toLong() and 0xFFL) shl 16) or
+                    ((this[startIndex + 6].toLong() and 0xFFL) shl 8) or
+                    (this[startIndex + 7].toLong() and 0xFFL)
+        }
+        LITTLE_ENDIAN -> {
+            (this[startIndex].toLong() and 0xFFL) or
+                    ((this[startIndex + 1].toLong() and 0xFFL) shl 8) or
+                    ((this[startIndex + 2].toLong() and 0xFFL) shl 16) or
+                    ((this[startIndex + 3].toLong() and 0xFFL) shl 24) or
+                    ((this[startIndex + 4].toLong() and 0xFFL) shl 32) or
+                    ((this[startIndex + 5].toLong() and 0xFFL) shl 40) or
+                    ((this[startIndex + 6].toLong() and 0xFFL) shl 48) or
+                    ((this[startIndex + 7].toLong() and 0xFFL) shl 56)
+        }
+    }
+}
+
+fun ByteArray.copyInto(
+    destination: IntArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    order: ByteOrder = BIG_ENDIAN,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0 && length % 4 == 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - (length / 4)))
+
+    when (order) {
+        BIG_ENDIAN -> {
+            repeat(length / 4) { i ->
+                val offset = startIndex + (i * 4)
+                destination[destinationOffset + i] =
+                    ((this[offset].toInt() and 0xFF) shl 24) or
+                            ((this[offset + 1].toInt() and 0xFF) shl 16) or
+                            ((this[offset + 2].toInt() and 0xFF) shl 8) or
+                            (this[offset + 3].toInt() and 0xFF)
+            }
+        }
+        LITTLE_ENDIAN -> {
+            repeat(length / 4) { i ->
+                val offset = startIndex + (i * 4)
+                destination[destinationOffset + i] =
+                    (this[offset].toInt() and 0xFF) or
+                            ((this[offset + 1].toInt() and 0xFF) shl 8) or
+                            ((this[offset + 2].toInt() and 0xFF) shl 16) or
+                            ((this[offset + 3].toInt() and 0xFF) shl 24)
+            }
+        }
+    }
+}
+
+fun ByteArray.toIntArray(startIndex: Int = 0, endIndex: Int = size, order: ByteOrder = BIG_ENDIAN): IntArray {
+    val length = endIndex - startIndex
+    val result = IntArray(length / 4)
+    copyInto(result, startIndex = startIndex, endIndex = endIndex, order = order)
+    return result
+}
+
+fun ByteArray.copyInto(
+    destination: LongArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    order: ByteOrder = BIG_ENDIAN,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0 && length % 8 == 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - (length / 8)))
+
+    when (order) {
+        BIG_ENDIAN -> {
+            repeat(length / 8) { i ->
+                val offset = startIndex + (i * 8)
+                destination[destinationOffset + i] =
+                    ((this[offset].toLong() and 0xFFL) shl 56) or
+                            ((this[offset + 1].toLong() and 0xFFL) shl 48) or
+                            ((this[offset + 2].toLong() and 0xFFL) shl 40) or
+                            ((this[offset + 3].toLong() and 0xFFL) shl 32) or
+                            ((this[offset + 4].toLong() and 0xFFL) shl 24) or
+                            ((this[offset + 5].toLong() and 0xFFL) shl 16) or
+                            ((this[offset + 6].toLong() and 0xFFL) shl 8) or
+                            (this[offset + 7].toLong() and 0xFFL)
+            }
+        }
+        LITTLE_ENDIAN -> {
+            repeat(length / 8) { i ->
+                val offset = startIndex + (i * 8)
+                destination[destinationOffset + i] =
+                    (this[offset].toLong() and 0xFFL) or
+                            ((this[offset + 1].toLong() and 0xFFL) shl 8) or
+                            ((this[offset + 2].toLong() and 0xFFL) shl 16) or
+                            ((this[offset + 3].toLong() and 0xFFL) shl 24) or
+                            ((this[offset + 4].toLong() and 0xFFL) shl 32) or
+                            ((this[offset + 5].toLong() and 0xFFL) shl 40) or
+                            ((this[offset + 6].toLong() and 0xFFL) shl 48) or
+                            ((this[offset + 7].toLong() and 0xFFL) shl 56)
+            }
+        }
+    }
+}
+
+fun ByteArray.toLongArray(startIndex: Int = 0, endIndex: Int = size, order: ByteOrder = BIG_ENDIAN): LongArray {
+    val length = endIndex - startIndex
+    val result = LongArray(length / 8)
+    copyInto(result, startIndex = startIndex, endIndex = endIndex, order = order)
+    return result
+}

src/commonMain/kotlin/com/infendro/bytes/bytearray/Operator.kt

@@ -0,0 +1,188 @@
+package com.infendro.bytes.bytearray
+
+import com.infendro.bytes.byte.not
+import kotlin.experimental.and
+import kotlin.experimental.or
+import kotlin.experimental.xor
+
+fun ByteArray.andInto(
+    that: ByteArray,
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    thatStartIndex: Int = 0,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(thatStartIndex in 0..(that.size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = this[startIndex + i] and that[thatStartIndex + i]
+    }
+}
+
+fun ByteArray.andInto(
+    that: Byte,
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = this[startIndex + i] and that
+    }
+}
+
+fun ByteArray.andWith(that: ByteArray, startIndex: Int = 0, endIndex: Int = size, thatStartIndex: Int = 0) =
+    andInto(that, this, startIndex, startIndex, endIndex, thatStartIndex)
+
+fun ByteArray.andWith(that: Byte, startIndex: Int = 0, endIndex: Int = size) =
+    andInto(that, this, startIndex, startIndex, endIndex)
+
+infix fun ByteArray.and(that: ByteArray): ByteArray {
+    val result = ByteArray(size)
+    andInto(that, result)
+    return result
+}
+
+infix fun ByteArray.and(that: Byte): ByteArray {
+    val result = ByteArray(size)
+    andInto(that, result)
+    return result
+}
+
+fun ByteArray.orInto(
+    that: ByteArray,
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    thatStartIndex: Int = 0,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(thatStartIndex in 0..(that.size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = this[startIndex + i] or that[thatStartIndex + i]
+    }
+}
+
+fun ByteArray.orInto(
+    that: Byte,
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = this[startIndex + i] or that
+    }
+}
+
+fun ByteArray.orWith(that: ByteArray, startIndex: Int = 0, endIndex: Int = size, thatStartIndex: Int = 0) =
+    orInto(that, this, startIndex, startIndex, endIndex, thatStartIndex)
+
+fun ByteArray.orWith(that: Byte, startIndex: Int = 0, endIndex: Int = size) =
+    orInto(that, this, startIndex, startIndex, endIndex)
+
+infix fun ByteArray.or(that: ByteArray): ByteArray {
+    val result = ByteArray(size)
+    orInto(that, result)
+    return result
+}
+
+infix fun ByteArray.or(that: Byte): ByteArray {
+    val result = ByteArray(size)
+    orInto(that, result)
+    return result
+}
+
+fun ByteArray.xorInto(
+    that: ByteArray,
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    thatStartIndex: Int = 0,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(thatStartIndex in 0..(that.size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = this[startIndex + i] xor that[thatStartIndex + i]
+    }
+}
+
+fun ByteArray.xorInto(
+    that: Byte,
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = this[startIndex + i] xor that
+    }
+}
+
+fun ByteArray.xorWith(that: ByteArray, startIndex: Int = 0, endIndex: Int = size, thatStartIndex: Int = 0) =
+    xorInto(that, this, startIndex, startIndex, endIndex, thatStartIndex)
+
+fun ByteArray.xorWith(that: Byte, startIndex: Int = 0, endIndex: Int = size) =
+    xorInto(that, this, startIndex, startIndex, endIndex)
+
+infix fun ByteArray.xor(that: ByteArray): ByteArray {
+    val result = ByteArray(size)
+    xorInto(that, result)
+    return result
+}
+
+infix fun ByteArray.xor(that: Byte): ByteArray {
+    val result = ByteArray(size)
+    xorInto(that, result)
+    return result
+}
+
+fun ByteArray.invInto(destination: ByteArray, destinationOffset: Int = 0, startIndex: Int = 0, endIndex: Int = size) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - length))
+
+    for (i in 0..<length) {
+        destination[destinationOffset + i] = !this[startIndex + i]
+    }
+}
+
+fun ByteArray.inv(startIndex: Int, endIndex: Int) =
+    invInto(this, startIndex, startIndex, endIndex)
+
+operator fun ByteArray.not(): ByteArray {
+    val result = ByteArray(size)
+    invInto(result)
+    return result
+}

src/commonMain/kotlin/com/infendro/bytes/int/Conversion.kt

@@ -0,0 +1,30 @@
+package com.infendro.bytes.int
+
+import com.infendro.bytes.ByteOrder
+import com.infendro.bytes.ByteOrder.BIG_ENDIAN
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+
+fun Int.copyInto(destination: ByteArray, destinationOffset: Int = 0, order: ByteOrder = BIG_ENDIAN) {
+    require(destinationOffset in 0..(destination.size - 4))
+
+    when (order) {
+        BIG_ENDIAN -> {
+            destination[destinationOffset] = (this shr 24).toByte()
+            destination[destinationOffset + 1] = (this shr 16).toByte()
+            destination[destinationOffset + 2] = (this shr 8).toByte()
+            destination[destinationOffset + 3] = this.toByte()
+        }
+        LITTLE_ENDIAN -> {
+            destination[destinationOffset] = this.toByte()
+            destination[destinationOffset + 1] = (this shr 8).toByte()
+            destination[destinationOffset + 2] = (this shr 16).toByte()
+            destination[destinationOffset + 3] = (this shr 24).toByte()
+        }
+    }
+}
+
+fun Int.toByteArray(order: ByteOrder = BIG_ENDIAN): ByteArray {
+    val result = ByteArray(4)
+    copyInto(result, order = order)
+    return result
+}

src/commonMain/kotlin/com/infendro/bytes/int/Operator.kt

@@ -0,0 +1,5 @@
+package com.infendro.bytes.int
+
+operator fun Int.not(): Int {
+    return inv()
+}

src/commonMain/kotlin/com/infendro/bytes/intarray/Conversion.kt

@@ -0,0 +1,48 @@
+package com.infendro.bytes.intarray
+
+import com.infendro.bytes.ByteOrder
+import com.infendro.bytes.ByteOrder.BIG_ENDIAN
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+
+fun IntArray.copyInto(
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    order: ByteOrder = BIG_ENDIAN,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - (length * 4)))
+
+    when (order) {
+        BIG_ENDIAN -> {
+            repeat(length) { i ->
+                val offset = destinationOffset + (i * 4)
+                val value = this[startIndex + i]
+                destination[offset] = (value shr 24).toByte()
+                destination[offset + 1] = (value shr 16).toByte()
+                destination[offset + 2] = (value shr 8).toByte()
+                destination[offset + 3] = value.toByte()
+            }
+        }
+        LITTLE_ENDIAN -> {
+            repeat(length) { i ->
+                val offset = destinationOffset + (i * 4)
+                val value = this[startIndex + i]
+                destination[offset] = value.toByte()
+                destination[offset + 1] = (value shr 8).toByte()
+                destination[offset + 2] = (value shr 16).toByte()
+                destination[offset + 3] = (value shr 24).toByte()
+            }
+        }
+    }
+}
+
+fun IntArray.toByteArray(startIndex: Int = 0, endIndex: Int = size, order: ByteOrder = BIG_ENDIAN): ByteArray {
+    val length = endIndex - startIndex
+    val result = ByteArray(length * 4)
+    copyInto(result, startIndex = startIndex, endIndex = endIndex, order = order)
+    return result
+}

src/commonMain/kotlin/com/infendro/bytes/long/Conversion.kt

@@ -0,0 +1,38 @@
+package com.infendro.bytes.long
+
+import com.infendro.bytes.ByteOrder
+import com.infendro.bytes.ByteOrder.BIG_ENDIAN
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+
+fun Long.copyInto(destination: ByteArray, destinationOffset: Int = 0, order: ByteOrder = BIG_ENDIAN) {
+    require(destinationOffset in 0..(destination.size - 8))
+
+    when (order) {
+        BIG_ENDIAN -> {
+            destination[destinationOffset] = (this shr 56).toByte()
+            destination[destinationOffset + 1] = (this shr 48).toByte()
+            destination[destinationOffset + 2] = (this shr 40).toByte()
+            destination[destinationOffset + 3] = (this shr 32).toByte()
+            destination[destinationOffset + 4] = (this shr 24).toByte()
+            destination[destinationOffset + 5] = (this shr 16).toByte()
+            destination[destinationOffset + 6] = (this shr 8).toByte()
+            destination[destinationOffset + 7] = this.toByte()
+        }
+        LITTLE_ENDIAN -> {
+            destination[destinationOffset] = this.toByte()
+            destination[destinationOffset + 1] = (this shr 8).toByte()
+            destination[destinationOffset + 2] = (this shr 16).toByte()
+            destination[destinationOffset + 3] = (this shr 24).toByte()
+            destination[destinationOffset + 4] = (this shr 32).toByte()
+            destination[destinationOffset + 5] = (this shr 40).toByte()
+            destination[destinationOffset + 6] = (this shr 48).toByte()
+            destination[destinationOffset + 7] = (this shr 56).toByte()
+        }
+    }
+}
+
+fun Long.toByteArray(order: ByteOrder = BIG_ENDIAN): ByteArray {
+    val result = ByteArray(8)
+    copyInto(result, order = order)
+    return result
+}

src/commonMain/kotlin/com/infendro/bytes/long/Operator.kt

@@ -0,0 +1,5 @@
+package com.infendro.bytes.long
+
+operator fun Long.not(): Long {
+    return inv()
+}

src/commonMain/kotlin/com/infendro/bytes/longarray/Conversion.kt

@@ -0,0 +1,56 @@
+package com.infendro.bytes.longarray
+
+import com.infendro.bytes.ByteOrder
+import com.infendro.bytes.ByteOrder.BIG_ENDIAN
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+
+fun LongArray.copyInto(
+    destination: ByteArray,
+    destinationOffset: Int = 0,
+    startIndex: Int = 0,
+    endIndex: Int = size,
+    order: ByteOrder = BIG_ENDIAN,
+) {
+    val length = endIndex - startIndex
+    require(length >= 0)
+    require(startIndex in 0..(size - length))
+    require(destinationOffset in 0..(destination.size - (length * 8)))
+
+    when (order) {
+        BIG_ENDIAN -> {
+            repeat(length) { i ->
+                val offset = destinationOffset + (i * 8)
+                val value = this[startIndex + i]
+                destination[offset] = (value shr 56).toByte()
+                destination[offset + 1] = (value shr 48).toByte()
+                destination[offset + 2] = (value shr 40).toByte()
+                destination[offset + 3] = (value shr 32).toByte()
+                destination[offset + 4] = (value shr 24).toByte()
+                destination[offset + 5] = (value shr 16).toByte()
+                destination[offset + 6] = (value shr 8).toByte()
+                destination[offset + 7] = value.toByte()
+            }
+        }
+        LITTLE_ENDIAN -> {
+            repeat(length) { i ->
+                val offset = destinationOffset + (i * 8)
+                val value = this[startIndex + i]
+                destination[offset] = value.toByte()
+                destination[offset + 1] = (value shr 8).toByte()
+                destination[offset + 2] = (value shr 16).toByte()
+                destination[offset + 3] = (value shr 24).toByte()
+                destination[offset + 4] = (value shr 32).toByte()
+                destination[offset + 5] = (value shr 40).toByte()
+                destination[offset + 6] = (value shr 48).toByte()
+                destination[offset + 7] = (value shr 56).toByte()
+            }
+        }
+    }
+}
+
+fun LongArray.toByteArray(startIndex: Int = 0, endIndex: Int = size, order: ByteOrder = BIG_ENDIAN): ByteArray {
+    val length = endIndex - startIndex
+    val result = ByteArray(length * 8)
+    copyInto(result, startIndex = startIndex, endIndex = endIndex, order = order)
+    return result
+}

src/commonTest/kotlin/com/infendro/bytearray/Conversion.kt

@@ -1,568 +0,0 @@
-package com.infendro.bytearray
-
-import com.infendro.bytearray.ByteOrder.LITTLE_ENDIAN
-import kotlin.test.Test
-import kotlin.test.assertContentEquals
-import kotlin.test.assertEquals
-
-class `Conversion Test` {
-    @Test
-    fun `ByteArray - toInt()`() {
-        val expected = 0x12345678
-        val actual = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78).toInt(),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12).toInt(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toInt()`() {
-        val expected = 0x12345678
-        val actual = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U).toInt(),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U).toInt(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `ByteArray - toUInt()`() {
-        val expected = 0x12345678U
-        val actual = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78).toUInt(),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12).toUInt(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toUInt()`() {
-        val expected = 0x12345678U
-        val actual = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U).toUInt(),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U).toUInt(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `ByteArray - toIntArray()`() {
-        val expected = intArrayOf(0x12345678, 0x12345678)
-        val actual = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78,
-            ).toIntArray(),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12,
-            ).toIntArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toIntArray()`() {
-        val expected = intArrayOf(0x12345678, 0x12345678)
-        val actual = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U,
-            ).toIntArray(),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U,
-            ).toIntArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `ByteArray - toUIntArray()`() {
-        val expected = uintArrayOf(0x12345678U, 0x12345678U)
-        val actual = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78,
-            ).toUIntArray(),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12,
-            ).toUIntArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toUIntArray()`() {
-        val expected = uintArrayOf(0x12345678U, 0x12345678U)
-        val actual = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U,
-            ).toUIntArray(),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U,
-            ).toUIntArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `Int - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12),
-        )
-        val actual = arrayOf(
-            0x12345678.toByteArray(),
-            0x12345678.toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `UInt - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12),
-        )
-        val actual = arrayOf(
-            0x12345678U.toByteArray(),
-            0x12345678U.toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `Int - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U),
-        )
-        val actual = arrayOf(
-            0x12345678.toUByteArray(),
-            0x12345678.toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `UInt - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U),
-        )
-        val actual = arrayOf(
-            0x12345678U.toUByteArray(),
-            0x12345678U.toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `IntArray - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78,
-            ),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12,
-            ),
-        )
-        val actual = arrayOf(
-            intArrayOf(
-                0x12345678,
-                0x12345678,
-            ).toByteArray(),
-            intArrayOf(
-                0x12345678,
-                0x12345678,
-            ).toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `UIntArray - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78,
-            ),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12,
-            ),
-        )
-        val actual = arrayOf(
-            uintArrayOf(
-                0x12345678U,
-                0x12345678U,
-            ).toByteArray(),
-            uintArrayOf(
-                0x12345678U,
-                0x12345678U,
-            ).toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `IntArray - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U,
-            ),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U,
-            ),
-        )
-        val actual = arrayOf(
-            intArrayOf(
-                0x12345678,
-                0x12345678,
-            ).toUByteArray(),
-            intArrayOf(
-                0x12345678,
-                0x12345678,
-            ).toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `UIntArray - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U,
-            ),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U,
-            ),
-        )
-        val actual = arrayOf(
-            uintArrayOf(
-                0x12345678U,
-                0x12345678U,
-            ).toUByteArray(),
-            uintArrayOf(
-                0x12345678U,
-                0x12345678U,
-            ).toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `ByteArray - toLong()`() {
-        val expected = 0x1234567812345678L
-        val actual = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78).toLong(),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12).toLong(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toULong()`() {
-        val expected = 0x1234567812345678UL
-        val actual = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U).toULong(),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U).toULong(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toLong()`() {
-        val expected = 0x1234567812345678L
-        val actual = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U).toLong(),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U).toLong(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `ByteArray - toULong()`() {
-        val expected = 0x1234567812345678UL
-        val actual = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78).toULong(),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12).toULong(LITTLE_ENDIAN),
-        )
-        assertEquals(expected, actual[0])
-        assertEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `ByteArray - toLongArray()`() {
-        val expected = longArrayOf(0x1234567812345678L, 0x1234567812345678L)
-        val actual = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-            ).toLongArray(),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-            ).toLongArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toLongArray()`() {
-        val expected = longArrayOf(0x1234567812345678L, 0x1234567812345678L)
-        val actual = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-            ).toLongArray(),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-            ).toLongArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `ByteArray - toULongArray()`() {
-        val expected = ulongArrayOf(0x1234567812345678UL, 0x1234567812345678UL)
-        val actual = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-            ).toULongArray(),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-            ).toULongArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `UByteArray - toULongArray()`() {
-        val expected = ulongArrayOf(0x1234567812345678UL, 0x1234567812345678UL)
-        val actual = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-            ).toULongArray(),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-            ).toULongArray(LITTLE_ENDIAN),
-        )
-        assertContentEquals(expected, actual[0])
-        assertContentEquals(expected, actual[1])
-    }
-
-    @Test
-    fun `Long - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12),
-        )
-        val actual = arrayOf(
-            0x1234567812345678L.toByteArray(),
-            0x1234567812345678L.toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `ULong - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78),
-            byteArrayOf(0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12),
-        )
-        val actual = arrayOf(
-            0x1234567812345678UL.toByteArray(),
-            0x1234567812345678UL.toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `Long - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U),
-        )
-        val actual = arrayOf(
-            0x1234567812345678L.toUByteArray(),
-            0x1234567812345678L.toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `ULong - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U),
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U),
-        )
-        val actual = arrayOf(
-            0x1234567812345678UL.toUByteArray(),
-            0x1234567812345678UL.toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `LongArray - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-            ),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-            ),
-        )
-        val actual = arrayOf(
-            longArrayOf(
-                0x1234567812345678L,
-                0x1234567812345678L,
-            ).toByteArray(),
-            longArrayOf(
-                0x1234567812345678L,
-                0x1234567812345678L,
-            ).toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `ULongArray - toByteArray()`() {
-        val expected = arrayOf(
-            byteArrayOf(
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-                0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
-            ),
-            byteArrayOf(
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-                0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12,
-            ),
-        )
-        val actual = arrayOf(
-            ulongArrayOf(
-                0x1234567812345678UL,
-                0x1234567812345678UL,
-            ).toByteArray(),
-            ulongArrayOf(
-                0x1234567812345678UL,
-                0x1234567812345678UL,
-            ).toByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `LongArray - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-            ),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-            ),
-        )
-        val actual = arrayOf(
-            longArrayOf(
-                0x1234567812345678L,
-                0x1234567812345678L,
-            ).toUByteArray(),
-            longArrayOf(
-                0x1234567812345678L,
-                0x1234567812345678L,
-            ).toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-
-    @Test
-    fun `ULongArray - toUByteArray()`() {
-        val expected = arrayOf(
-            ubyteArrayOf(
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-                0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U,
-            ),
-            ubyteArrayOf(
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-                0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U,
-            ),
-        )
-        val actual = arrayOf(
-            ulongArrayOf(
-                0x1234567812345678UL,
-                0x1234567812345678UL,
-            ).toUByteArray(),
-            ulongArrayOf(
-                0x1234567812345678UL,
-                0x1234567812345678UL,
-            ).toUByteArray(LITTLE_ENDIAN),
-        )
-        for (i in 0..1) {
-            assertContentEquals(expected[i], actual[i])
-        }
-    }
-}

src/commonTest/kotlin/com/infendro/bytearray/Modification.kt

@@ -1,71 +0,0 @@
-package com.infendro.bytearray
-
-import kotlin.test.Test
-import kotlin.test.assertContentEquals
-import kotlin.test.assertEquals
-
-class `Modification Test` {
-    @Test
-    fun `ByteArray - padStart()`() {
-        val expected = byteArrayOf(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02)
-        val actual = byteArrayOf(0x02, 0x02).padStart(8, 0x01)
-        assertEquals(8, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `ByteArray - padStart() - unchanged`() {
-        val expected = byteArrayOf(0x02, 0x02)
-        val actual = byteArrayOf(0x02, 0x02).padStart(2, 0x01)
-        assertEquals(2, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - padStart()`() {
-        val expected = ubyteArrayOf(0x01U, 0x01U, 0x01U, 0x01U, 0x01U, 0x01U, 0x02U, 0x02U)
-        val actual = ubyteArrayOf(0x02U, 0x02U).padStart(8, 0x01U)
-        assertEquals(8, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - padStart() - unchanged`() {
-        val expected = ubyteArrayOf(0x02U, 0x02U)
-        val actual = ubyteArrayOf(0x02U, 0x02U).padStart(2, 0x01U)
-        assertEquals(2, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `ByteArray - padEnd()`() {
-        val expected = byteArrayOf(0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01)
-        val actual = byteArrayOf(0x02, 0x02).padEnd(8, 0x01)
-        assertEquals(8, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `ByteArray - padEnd() - unchanged`() {
-        val expected = byteArrayOf(0x02, 0x02)
-        val actual = byteArrayOf(0x02, 0x02).padEnd(2, 0x01)
-        assertEquals(2, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - padEnd()`() {
-        val expected = ubyteArrayOf(0x02U, 0x02U, 0x01U, 0x01U, 0x01U, 0x01U, 0x01U, 0x01U)
-        val actual = ubyteArrayOf(0x02U, 0x02U).padEnd(8, 0x01U)
-        assertEquals(8, actual.size)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - padEnd() - unchanged`() {
-        val expected = ubyteArrayOf(0x02U, 0x02U)
-        val actual = ubyteArrayOf(0x02U, 0x02U).padEnd(2, 0x01U)
-        assertEquals(2, actual.size)
-        assertContentEquals(expected, actual)
-    }
-}

src/commonTest/kotlin/com/infendro/bytearray/Operators.kt

@@ -1,109 +0,0 @@
-package com.infendro.bytearray
-
-import kotlin.test.Test
-import kotlin.test.assertContentEquals
-import kotlin.test.assertFails
-
-class `Operators Test` {
-    @Test
-    fun `ByteArray - and() - size`() {
-        assertFails {
-            byteArrayOf() and byteArrayOf(0x00)
-        }
-        assertFails {
-            byteArrayOf(0x00) and byteArrayOf()
-        }
-    }
-
-    @Test
-    fun `ByteArray - and()`() {
-        val expected = byteArrayOf(0x18, 0x00)
-        val actual = byteArrayOf(0x5C, 0x70) and byteArrayOf(0x3A, 0x0F)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - and() - size`() {
-        assertFails {
-            ubyteArrayOf() and ubyteArrayOf(0x00U)
-        }
-        assertFails {
-            ubyteArrayOf(0x00U) and ubyteArrayOf()
-        }
-    }
-
-    @Test
-    fun `UByteArray - and()`() {
-        val expected = ubyteArrayOf(0x18U, 0x00U)
-        val actual = ubyteArrayOf(0x5CU, 0x70U) and ubyteArrayOf(0x3AU, 0x0FU)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `ByteArray - or() - size`() {
-        assertFails {
-            byteArrayOf() or byteArrayOf(0x00)
-        }
-        assertFails {
-            byteArrayOf(0x00) or byteArrayOf()
-        }
-    }
-
-    @Test
-    fun `ByteArray - or()`() {
-        val expected = byteArrayOf(0x7E, 0x7F)
-        val actual = byteArrayOf(0x5C, 0x70) or byteArrayOf(0x3A, 0x0F)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - or() - size`() {
-        assertFails {
-            ubyteArrayOf() or ubyteArrayOf(0x00U)
-        }
-        assertFails {
-            ubyteArrayOf(0x00U) or ubyteArrayOf()
-        }
-    }
-
-    @Test
-    fun `UByteArray - or()`() {
-        val expected = ubyteArrayOf(0x7EU, 0x7FU)
-        val actual = ubyteArrayOf(0x5CU, 0x70U) or ubyteArrayOf(0x3AU, 0x0FU)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `ByteArray - xor() - size`() {
-        assertFails {
-            byteArrayOf() xor byteArrayOf(0x00)
-        }
-        assertFails {
-            byteArrayOf(0x00) xor byteArrayOf()
-        }
-    }
-
-    @Test
-    fun `ByteArray - xor()`() {
-        val expected = byteArrayOf(0x66, 0x7F)
-        val actual = byteArrayOf(0x5C, 0x70) xor byteArrayOf(0x3A, 0x0F)
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `UByteArray - xor() - size`() {
-        assertFails {
-            ubyteArrayOf() xor ubyteArrayOf(0x00U)
-        }
-        assertFails {
-            ubyteArrayOf(0x00U) xor ubyteArrayOf()
-        }
-    }
-
-    @Test
-    fun `UByteArray - xor()`() {
-        val expected = ubyteArrayOf(0x66U, 0x7FU)
-        val actual = ubyteArrayOf(0x5CU, 0x70U) xor ubyteArrayOf(0x3AU, 0x0FU)
-        assertContentEquals(expected, actual)
-    }
-}

src/commonTest/kotlin/com/infendro/bytearray/String.kt

@@ -1,21 +0,0 @@
-package com.infendro.bytearray
-
-import kotlin.test.Test
-import kotlin.test.assertContentEquals
-import kotlin.test.assertEquals
-
-class `String Test` {
-    @Test
-    fun `encodeToUByteArray()`() {
-        val expected = ubyteArrayOf(0x50U, 0x41U, 0x53U, 0x53U, 0x57U, 0x4FU, 0x52U, 0x44U)
-        val actual = "PASSWORD".encodeToUByteArray()
-        assertContentEquals(expected, actual)
-    }
-
-    @Test
-    fun `decodeToString()`() {
-        val expected = "PASSWORD"
-        val actual = ubyteArrayOf(0x50U, 0x41U, 0x53U, 0x53U, 0x57U, 0x4FU, 0x52U, 0x44U).decodeToString()
-        assertEquals(expected, actual)
-    }
-}

src/commonTest/kotlin/com/infendro/bytes/byte/Operator.kt

@@ -0,0 +1,13 @@
+package com.infendro.bytes.byte
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ByteOperatorTest {
+    @Test
+    fun not() {
+        val expected = (-0x01).toByte()
+        val actual = !0x00.toByte()
+        assertEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/bytearray/Conversion.kt

@@ -0,0 +1,98 @@
+package com.infendro.bytes.bytearray
+
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+import kotlin.test.assertEquals
+
+class ByteArrayConversionTest {
+    @Test
+    fun toInt() {
+        val expected = 0x01234567
+        run {
+            val actual = byteArrayOf(0x01, 0x23, 0x45, 0x67).toInt()
+            assertEquals(expected, actual)
+        }
+        run {
+            val actual = byteArrayOf(0x67, 0x45, 0x23, 0x01).toInt(order = LITTLE_ENDIAN)
+            assertEquals(expected, actual)
+        }
+    }
+
+    @Test
+    fun toLong() {
+        val expected = 0x0123456789abcdefL
+        run {
+            val actual = byteArrayOf(0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11).toLong()
+            assertEquals(expected, actual)
+        }
+        run {
+            val actual = byteArrayOf(-0x11, -0x33, -0x55, -0x77, 0x67, 0x45, 0x23, 0x01).toLong(order = LITTLE_ENDIAN)
+            assertEquals(expected, actual)
+        }
+    }
+
+    @Test
+    fun copyIntoIntArray() {
+        val expected = intArrayOf(0, 0x01234567, 0x01234567)
+        val actual = IntArray(3).also { array ->
+            val bytes = byteArrayOf(
+                0x01, 0x23, 0x45, 0x67,
+                0x01, 0x23, 0x45, 0x67,
+            )
+            bytes.copyInto(array, 1)
+        }
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun toIntArray() {
+        val expected = intArrayOf(0x01234567, 0x67452301)
+        run {
+            val actual = byteArrayOf(
+                0x01, 0x23, 0x45, 0x67,
+                0x67, 0x45, 0x23, 0x01,
+            ).toIntArray()
+            assertContentEquals(expected, actual)
+        }
+        run {
+            val actual = byteArrayOf(
+                0x67, 0x45, 0x23, 0x01,
+                0x01, 0x23, 0x45, 0x67,
+            ).toIntArray(order = LITTLE_ENDIAN)
+            assertContentEquals(expected, actual)
+        }
+    }
+
+    @Test
+    fun copyIntoLongArray() {
+        val expected = longArrayOf(0, 0x0123456789abcdefL, 0x0123456789abcdefL)
+        val actual = LongArray(3).also { array ->
+            val bytes = byteArrayOf(
+                0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11,
+                0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11,
+            )
+            bytes.copyInto(array, 1)
+        }
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun toLongArray() {
+        val expected = longArrayOf(0x0123456789abcdefL, -0x1032547698badcffL)
+        run {
+            val actual = byteArrayOf(
+                0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11,
+                -0x11, -0x33, -0x55, -0x77, 0x67, 0x45, 0x23, 0x01,
+            ).toLongArray()
+            assertContentEquals(expected, actual)
+        }
+        run {
+            val actual = byteArrayOf(
+                -0x11, -0x33, -0x55, -0x77, 0x67, 0x45, 0x23, 0x01,
+                0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11,
+            ).toLongArray(order = LITTLE_ENDIAN)
+            assertContentEquals(expected, actual)
+        }
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/bytearray/Operator.kt

@@ -0,0 +1,55 @@
+package com.infendro.bytes.bytearray
+
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class ByteArrayOperatorTest {
+    @Test
+    fun and() {
+        val expected = byteArrayOf(0x18, 0x00)
+        val actual = byteArrayOf(0x5C, 0x70) and byteArrayOf(0x3A, 0x0F)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun andByte() {
+        val expected = byteArrayOf(0x0C, 0x00)
+        val actual = byteArrayOf(0x5C, 0x70) and 0x0F
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun or() {
+        val expected = byteArrayOf(0x7E, 0x7F)
+        val actual = byteArrayOf(0x5C, 0x70) or byteArrayOf(0x3A, 0x0F)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun orByte() {
+        val expected = byteArrayOf(0x5F, 0x7F)
+        val actual = byteArrayOf(0x5C, 0x70) or 0x0F
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun xor() {
+        val expected = byteArrayOf(0x66, 0x7F)
+        val actual = byteArrayOf(0x5C, 0x70) xor byteArrayOf(0x3A, 0x0F)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun xorByte() {
+        val expected = byteArrayOf(0x53, 0x7F)
+        val actual = byteArrayOf(0x5C, 0x70) xor 0x0F
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun not() {
+        val expected = byteArrayOf(-0x01, -0x20)
+        val actual = !byteArrayOf(0x00, 0x1F)
+        assertContentEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/int/Conversion.kt

@@ -0,0 +1,20 @@
+package com.infendro.bytes.int
+
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class IntConversionTest {
+    @Test
+    fun toByteArray() {
+        val expected = byteArrayOf(0x01, 0x23, 0x45, 0x67)
+        run {
+            val actual = 0x01234567.toByteArray()
+            assertContentEquals(expected, actual)
+        }
+        run {
+            val actual = 0x67452301.toByteArray(LITTLE_ENDIAN)
+            assertContentEquals(expected, actual)
+        }
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/int/Operator.kt

@@ -0,0 +1,13 @@
+package com.infendro.bytes.int
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class IntOperatorTest {
+    @Test
+    fun not() {
+        val expected = -0x00000001
+        val actual = !0x00000000
+        assertEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/intarray/Conversion.kt

@@ -0,0 +1,23 @@
+package com.infendro.bytes.intarray
+
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class IntArrayConversionTest {
+    @Test
+    fun toByteArray() {
+        val expected = byteArrayOf(
+            0x01, 0x23, 0x45, 0x67,
+            0x67, 0x45, 0x23, 0x01,
+        )
+        run {
+            val actual = intArrayOf(0x01234567, 0x67452301).toByteArray()
+            assertContentEquals(expected, actual)
+        }
+        run {
+            val actual = intArrayOf(0x67452301, 0x01234567).toByteArray(order = LITTLE_ENDIAN)
+            assertContentEquals(expected, actual)
+        }
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/long/Conversion.kt

@@ -0,0 +1,20 @@
+package com.infendro.bytes.long
+
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class LongConversionTest {
+    @Test
+    fun toByteArray() {
+        val expected = byteArrayOf(0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11)
+        run {
+            val actual = 0x0123456789abcdefL.toByteArray()
+            assertContentEquals(expected, actual)
+        }
+        run {
+            val actual = (-0x1032547698badcffL).toByteArray(LITTLE_ENDIAN)
+            assertContentEquals(expected, actual)
+        }
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/long/Operator.kt

@@ -0,0 +1,13 @@
+package com.infendro.bytes.long
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class LongOperatorTest {
+    @Test
+    fun not() {
+        val expected = -0x0000000000000001L
+        val actual = !0x0000000000000000L
+        assertEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/bytes/longarray/Conversion.kt

@@ -0,0 +1,23 @@
+package com.infendro.bytes.longarray
+
+import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class LongArrayConversionTest {
+    @Test
+    fun toByteArray() {
+        val expected = byteArrayOf(
+            0x01, 0x23, 0x45, 0x67, -0x77, -0x55, -0x33, -0x11,
+            -0x11, -0x33, -0x55, -0x77, 0x67, 0x45, 0x23, 0x01,
+        )
+        run {
+            val actual = longArrayOf(0x0123456789abcdefL, -0x1032547698badcffL).toByteArray()
+            assertContentEquals(expected, actual)
+        }
+        run {
+            val actual = longArrayOf(-0x1032547698badcffL, 0x0123456789abcdefL).toByteArray(order = LITTLE_ENDIAN)
+            assertContentEquals(expected, actual)
+        }
+    }
+}