improve test coverage

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

@@ -8,7 +8,8 @@ import kotlin.experimental.xor
 infix fun ByteArray.and(
     that: ByteArray,
 ): ByteArray {
-    if (this.size != that.size) throw Exception()
+    if (this.size != that.size)
+        throw IllegalArgumentException()
 
     return ByteArray(size) { i ->
         this[i] and that[i]
@@ -18,7 +19,8 @@ infix fun ByteArray.and(
 infix fun ByteArray.or(
     that: ByteArray,
 ): ByteArray {
-    if (this.size != that.size) throw Exception()
+    if (this.size != that.size)
+        throw IllegalArgumentException()
 
     return ByteArray(size) { i ->
         this[i] or that[i]
@@ -28,7 +30,8 @@ infix fun ByteArray.or(
 infix fun ByteArray.xor(
     that: ByteArray,
 ): ByteArray {
-    if (this.size != that.size) throw Exception()
+    if (this.size != that.size)
+        throw IllegalArgumentException()
 
     return ByteArray(size) { i ->
         this[i] xor that[i]
@@ -62,10 +65,11 @@ fun ByteArray.padEnd(
 fun ByteArray.toInt(
     order: ByteOrder = BIG_ENDIAN,
 ): Int {
-    if (size != 4) throw Exception()
+    if (size != 4)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0) { acc, byte ->
+    return normalize(order)
+        .fold(0) { acc, byte ->
             (acc shl 8) or (byte.toInt() and 0xFF)
         }
 }
@@ -73,7 +77,8 @@ fun ByteArray.toInt(
 fun ByteArray.toIntArray(
     order: ByteOrder = BIG_ENDIAN,
 ): IntArray {
-    if (size % 4 != 0) throw Exception()
+    if (size % 4 != 0)
+        throw IllegalArgumentException()
 
     return toList()
         .chunked(4) { it.toByteArray() }
@@ -84,10 +89,11 @@ fun ByteArray.toIntArray(
 fun ByteArray.toLong(
     order: ByteOrder = BIG_ENDIAN,
 ): Long {
-    if (size != 8) throw Exception()
+    if (size != 8)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0L) { acc, byte ->
+    return normalize(order)
+        .fold(0L) { acc, byte ->
             (acc shl 8) or (byte.toLong() and 0xFFL)
         }
 }
@@ -95,7 +101,8 @@ fun ByteArray.toLong(
 fun ByteArray.toLongArray(
     order: ByteOrder = BIG_ENDIAN,
 ): LongArray {
-    if (size % 8 != 0) throw Exception()
+    if (size % 8 != 0)
+        throw IllegalArgumentException()
 
     return toList()
         .chunked(8) { it.toByteArray() }
@@ -106,10 +113,11 @@ fun ByteArray.toLongArray(
 fun ByteArray.toUInt(
     order: ByteOrder = BIG_ENDIAN,
 ): UInt {
-    if (size != 4) throw Exception()
+    if (size != 4)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0U) { acc, byte ->
+    return normalize(order)
+        .fold(0U) { acc, byte ->
             (acc shl 8) or (byte.toUInt() and 0xFFU)
         }
 }
@@ -117,7 +125,8 @@ fun ByteArray.toUInt(
 fun ByteArray.toUIntArray(
     order: ByteOrder = BIG_ENDIAN,
 ): UIntArray {
-    if (size % 4 != 0) throw Exception()
+    if (size % 4 != 0)
+        throw IllegalArgumentException()
 
     return toList()
         .chunked(4) { it.toByteArray() }
@@ -128,10 +137,11 @@ fun ByteArray.toUIntArray(
 fun ByteArray.toULong(
     order: ByteOrder = BIG_ENDIAN,
 ): ULong {
-    if (size != 8) throw Exception()
+    if (size != 8)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0UL) { acc, byte ->
+    return normalize(order)
+        .fold(0UL) { acc, byte ->
             (acc shl 8) or (byte.toULong() and 0xFFUL)
         }
 }
@@ -139,7 +149,8 @@ fun ByteArray.toULong(
 fun ByteArray.toULongArray(
     order: ByteOrder = BIG_ENDIAN,
 ): ULongArray {
-    if (size % 8 != 0) throw Exception()
+    if (size % 8 != 0)
+        throw IllegalArgumentException()
 
     return toList()
         .chunked(8) { it.toByteArray() }

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

@@ -1,38 +1,22 @@
 package com.infendro.bytearray
 
+import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
+import com.infendro.bytearray.ByteOrder.LITTLE_ENDIAN
+
 enum class ByteOrder {
-    BIG_ENDIAN {
-        override fun normalize(
-            bytes: ByteArray,
-        ): ByteArray {
-            return bytes
-        }
-
-        override fun normalize(
-            bytes: UByteArray,
-        ): UByteArray {
-            return bytes
-        }
-    },
-    LITTLE_ENDIAN {
-        override fun normalize(
-            bytes: ByteArray,
-        ): ByteArray {
-            return bytes.reversedArray()
-        }
-
-        override fun normalize(
-            bytes: UByteArray,
-        ): UByteArray {
-            return bytes.reversedArray()
-        }
-    };
-
-    internal abstract fun normalize(
-        bytes: ByteArray,
-    ): ByteArray
-
-    internal abstract fun normalize(
-        bytes: UByteArray,
-    ): UByteArray
+    BIG_ENDIAN, LITTLE_ENDIAN;
+}
+
+fun ByteArray.normalize(
+    order: ByteOrder,
+): ByteArray = when (order) {
+    BIG_ENDIAN -> this
+    LITTLE_ENDIAN -> reversedArray()
+}
+
+fun UByteArray.normalize(
+    order: ByteOrder,
+): UByteArray = when (order) {
+    BIG_ENDIAN -> this
+    LITTLE_ENDIAN -> reversedArray()
 }

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

@@ -9,17 +9,7 @@ fun Int.toByteArray(
         val offset = (3 - i) * 8
         (this ushr offset).toByte()
     }
-    return order.normalize(bytes)
-}
-
-fun IntArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    for (n in this) {
-        bytes += n.toByteArray(order).toList()
-    }
-    return bytes.toByteArray()
+    return bytes.normalize(order)
 }
 
 fun Int.toUByteArray(
@@ -29,15 +19,5 @@ fun Int.toUByteArray(
         val offset = (3 - i) * 8
         (this ushr offset).toUByte()
     }
-    return order.normalize(bytes)
-}
-
-fun IntArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray {
-    val bytes = mutableListOf<UByte>()
-    for (n in this) {
-        bytes += n.toUByteArray(order)
-    }
-    return bytes.toUByteArray()
+    return bytes.normalize(order)
 }

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

@@ -0,0 +1,23 @@
+package com.infendro.bytearray
+
+import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
+
+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 IntArray.toUByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): UByteArray {
+    val bytes = mutableListOf<UByte>()
+    for (n in this) {
+        bytes += n.toUByteArray(order)
+    }
+    return bytes.toUByteArray()
+}

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

@@ -9,17 +9,7 @@ fun Long.toByteArray(
         val offset = (7 - i) * 8
         (this ushr offset).toByte()
     }
-    return order.normalize(bytes)
-}
-
-fun LongArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    for (n in this) {
-        bytes += n.toByteArray(order).toList()
-    }
-    return bytes.toByteArray()
+    return bytes.normalize(order)
 }
 
 fun Long.toUByteArray(
@@ -29,15 +19,5 @@ fun Long.toUByteArray(
         val offset = (7 - i) * 8
         (this ushr offset).toUByte()
     }
-    return order.normalize(bytes)
-}
-
-fun LongArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray {
-    val bytes = mutableListOf<UByte>()
-    for (n in this) {
-        bytes += n.toUByteArray(order)
-    }
-    return bytes.toUByteArray()
+    return bytes.normalize(order)
 }

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

@@ -0,0 +1,23 @@
+package com.infendro.bytearray
+
+import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
+
+fun LongArray.toByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): ByteArray {
+    val bytes = mutableListOf<Byte>()
+    for (n in this) {
+        bytes += n.toByteArray(order).toList()
+    }
+    return bytes.toByteArray()
+}
+
+fun LongArray.toUByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): UByteArray {
+    val bytes = mutableListOf<UByte>()
+    for (n in this) {
+        bytes += n.toUByteArray(order)
+    }
+    return bytes.toUByteArray()
+}

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

@@ -2,3 +2,6 @@ package com.infendro.bytearray
 
 fun String.encodeToUByteArray(): UByteArray =
     encodeToByteArray().toUByteArray()
+
+fun UByteArray.decodeToString(): String =
+    toByteArray().decodeToString()

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

@@ -2,13 +2,11 @@ package com.infendro.bytearray
 
 import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
 
-fun UByteArray.decodeToString(): String =
-    toByteArray().decodeToString()
-
 infix fun UByteArray.and(
     that: UByteArray,
 ): UByteArray {
-    if (this.size != that.size) throw Exception()
+    if (this.size != that.size)
+        throw IllegalArgumentException()
 
     return UByteArray(size) { i ->
         this[i] and that[i]
@@ -18,7 +16,8 @@ infix fun UByteArray.and(
 infix fun UByteArray.or(
     that: UByteArray,
 ): UByteArray {
-    if (this.size != that.size) throw Exception()
+    if (this.size != that.size)
+        throw IllegalArgumentException()
 
     return UByteArray(size) { i ->
         this[i] or that[i]
@@ -28,7 +27,8 @@ infix fun UByteArray.or(
 infix fun UByteArray.xor(
     that: UByteArray,
 ): UByteArray {
-    if (this.size != that.size) throw Exception()
+    if (this.size != that.size)
+        throw IllegalArgumentException()
 
     return UByteArray(size) { i ->
         this[i] xor that[i]
@@ -62,10 +62,11 @@ fun UByteArray.padEnd(
 fun UByteArray.toInt(
     order: ByteOrder = BIG_ENDIAN,
 ): Int {
-    if (size != 4) throw Exception()
+    if (size != 4)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0) { acc, byte ->
+    return normalize(order)
+        .fold(0) { acc, byte ->
             (acc shl 8) or (byte.toInt() and 0xFF)
         }
 }
@@ -73,7 +74,8 @@ fun UByteArray.toInt(
 fun UByteArray.toIntArray(
     order: ByteOrder = BIG_ENDIAN,
 ): IntArray {
-    if (size % 4 != 0) throw Exception()
+    if (size % 4 != 0)
+        throw IllegalArgumentException()
 
     return chunked(4) { it.toUByteArray() }
         .map { it.toInt(order) }
@@ -83,10 +85,11 @@ fun UByteArray.toIntArray(
 fun UByteArray.toLong(
     order: ByteOrder = BIG_ENDIAN,
 ): Long {
-    if (size != 8) throw Exception()
+    if (size != 8)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0L) { acc, byte ->
+    return normalize(order)
+        .fold(0L) { acc, byte ->
             (acc shl 8) or (byte.toLong() and 0xFFL)
         }
 }
@@ -94,7 +97,8 @@ fun UByteArray.toLong(
 fun UByteArray.toLongArray(
     order: ByteOrder = BIG_ENDIAN,
 ): LongArray {
-    if (size % 8 != 0) throw Exception()
+    if (size % 8 != 0)
+        throw IllegalArgumentException()
 
     return chunked(8) { it.toUByteArray() }
         .map { it.toLong(order) }
@@ -104,10 +108,11 @@ fun UByteArray.toLongArray(
 fun UByteArray.toUInt(
     order: ByteOrder = BIG_ENDIAN,
 ): UInt {
-    if (size != 4) throw Exception()
+    if (size != 4)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0U) { acc, byte ->
+    return normalize(order)
+        .fold(0U) { acc, byte ->
             (acc shl 8) or (byte.toUInt() and 0xFFU)
         }
 }
@@ -115,7 +120,8 @@ fun UByteArray.toUInt(
 fun UByteArray.toUIntArray(
     order: ByteOrder = BIG_ENDIAN,
 ): UIntArray {
-    if (size % 4 != 0) throw Exception()
+    if (size % 4 != 0)
+        throw IllegalArgumentException()
 
     return chunked(4) { it.toUByteArray() }
         .map { it.toUInt(order) }
@@ -125,10 +131,11 @@ fun UByteArray.toUIntArray(
 fun UByteArray.toULong(
     order: ByteOrder = BIG_ENDIAN,
 ): ULong {
-    if (size != 8) throw Exception()
+    if (size != 8)
+        throw IllegalArgumentException()
 
-    val bytes = order.normalize(this)
-    return bytes.fold(0UL) { acc, byte ->
+    return normalize(order)
+        .fold(0UL) { acc, byte ->
             (acc shl 8) or (byte.toULong() and 0xFFUL)
         }
 }
@@ -136,7 +143,8 @@ fun UByteArray.toULong(
 fun UByteArray.toULongArray(
     order: ByteOrder = BIG_ENDIAN,
 ): ULongArray {
-    if (size % 8 != 0) throw Exception()
+    if (size % 8 != 0)
+        throw IllegalArgumentException()
 
     return chunked(8) { it.toUByteArray() }
         .map { it.toULong(order) }

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

@@ -9,17 +9,7 @@ fun UInt.toByteArray(
         val offset = (3 - i) * 8
         (this shr offset).toByte()
     }
-    return order.normalize(bytes)
-}
-
-fun UIntArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    for (n in this) {
-        bytes += n.toByteArray(order).toList()
-    }
-    return bytes.toByteArray()
+    return bytes.normalize(order)
 }
 
 fun UInt.toUByteArray(
@@ -29,15 +19,5 @@ fun UInt.toUByteArray(
         val offset = (3 - i) * 8
         (this shr offset).toUByte()
     }
-    return order.normalize(bytes)
-}
-
-fun UIntArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray {
-    val bytes = mutableListOf<UByte>()
-    for (n in this) {
-        bytes += n.toUByteArray(order)
-    }
-    return bytes.toUByteArray()
+    return bytes.normalize(order)
 }

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

@@ -0,0 +1,23 @@
+package com.infendro.bytearray
+
+import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
+
+fun UIntArray.toByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): ByteArray {
+    val bytes = mutableListOf<Byte>()
+    for (n in this) {
+        bytes += n.toByteArray(order).toList()
+    }
+    return bytes.toByteArray()
+}
+
+fun UIntArray.toUByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): UByteArray {
+    val bytes = mutableListOf<UByte>()
+    for (n in this) {
+        bytes += n.toUByteArray(order)
+    }
+    return bytes.toUByteArray()
+}

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

@@ -9,17 +9,7 @@ fun ULong.toByteArray(
         val offset = (7 - i) * 8
         (this shr offset).toByte()
     }
-    return order.normalize(bytes)
-}
-
-fun ULongArray.toByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): ByteArray {
-    val bytes = mutableListOf<Byte>()
-    for (n in this) {
-        bytes += n.toByteArray(order).toList()
-    }
-    return bytes.toByteArray()
+    return bytes.normalize(order)
 }
 
 fun ULong.toUByteArray(
@@ -29,15 +19,5 @@ fun ULong.toUByteArray(
         val offset = (7 - i) * 8
         (this shr offset).toUByte()
     }
-    return order.normalize(bytes)
-}
-
-fun ULongArray.toUByteArray(
-    order: ByteOrder = BIG_ENDIAN,
-): UByteArray {
-    val bytes = mutableListOf<UByte>()
-    for (n in this) {
-        bytes += n.toUByteArray(order)
-    }
-    return bytes.toUByteArray()
+    return bytes.normalize(order)
 }

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

@@ -0,0 +1,23 @@
+package com.infendro.bytearray
+
+import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
+
+fun ULongArray.toByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): ByteArray {
+    val bytes = mutableListOf<Byte>()
+    for (n in this) {
+        bytes += n.toByteArray(order).toList()
+    }
+    return bytes.toByteArray()
+}
+
+fun ULongArray.toUByteArray(
+    order: ByteOrder = BIG_ENDIAN,
+): UByteArray {
+    val bytes = mutableListOf<UByte>()
+    for (n in this) {
+        bytes += n.toUByteArray(order)
+    }
+    return bytes.toUByteArray()
+}

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

@@ -17,71 +17,188 @@ class `ByteArray Test` {
         }
     }
 
+    @Test
+    fun `and()`() {
+        val expected = byteArrayOf(0x18, 0x00)
+        val actual = byteArrayOf(0x5C, 0x70) and byteArrayOf(0x3A, 0x0F)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `or() - size`() {
+        assertFails {
+            byteArrayOf() or byteArrayOf(0x00)
+        }
+        assertFails {
+            byteArrayOf(0x00) or byteArrayOf()
+        }
+    }
+
+    @Test
+    fun `or()`() {
+        val expected = byteArrayOf(0x7E, 0x7F)
+        val actual = byteArrayOf(0x5C, 0x70) or byteArrayOf(0x3A, 0x0F)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `xor() - size`() {
+        assertFails {
+            byteArrayOf() xor byteArrayOf(0x00)
+        }
+        assertFails {
+            byteArrayOf(0x00) xor byteArrayOf()
+        }
+    }
+
+    @Test
+    fun `xor()`() {
+        val expected = byteArrayOf(0x66, 0x7F)
+        val actual = byteArrayOf(0x5C, 0x70) xor byteArrayOf(0x3A, 0x0F)
+        assertContentEquals(expected, actual)
+    }
+
     @Test
     fun `padStart()`() {
-        val padded = byteArrayOf(0x02, 0x02).padStart(8, 0x01)
-        assertEquals(8, padded.size)
-        assertContentEquals(
-            byteArrayOf(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02),
-            padded
-        )
+        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 `padStart() - unchanged`() {
+        val expected = byteArrayOf(0x02, 0x02)
+        val actual = byteArrayOf(0x02, 0x02).padStart(2, 0x01)
+        assertEquals(2, actual.size)
+        assertContentEquals(expected, actual)
     }
 
     @Test
     fun `padEnd()`() {
-        val padded = byteArrayOf(0x02, 0x02).padEnd(8, 0x01)
-        assertEquals(8, padded.size)
-        assertContentEquals(
-            byteArrayOf(0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01),
-            padded
-        )
+        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 `padEnd() - unchanged`() {
+        val expected = byteArrayOf(0x02, 0x02)
+        val actual = byteArrayOf(0x02, 0x02).padEnd(2, 0x01)
+        assertEquals(2, actual.size)
+        assertContentEquals(expected, actual)
     }
 
     @Test
     fun `toInt()`() {
-        assertEquals(
-            0x12345678,
-            byteArrayOf(0x12, 0x34, 0x56, 0x78).toInt()
+        val expected = 0x12345678
+        val actual = arrayOf(
+            byteArrayOf(0x12, 0x34, 0x56, 0x78).toInt(),
+            byteArrayOf(0x78, 0x56, 0x34, 0x12).toInt(LITTLE_ENDIAN),
         )
-        assertEquals(
-            0x12345678,
-            byteArrayOf(0x78, 0x56, 0x34, 0x12).toInt(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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 `toLong()`() {
-        assertEquals(
-            0x1234567812345678L,
-            byteArrayOf(0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78).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(
-            0x1234567812345678L,
-            byteArrayOf(0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12).toLong(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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 `toUInt()`() {
-        assertEquals(
-            0x12345678U,
-            byteArrayOf(0x12, 0x34, 0x56, 0x78).toUInt()
+        val expected = 0x12345678U
+        val actual = arrayOf(
+            byteArrayOf(0x12, 0x34, 0x56, 0x78).toUInt(),
+            byteArrayOf(0x78, 0x56, 0x34, 0x12).toUInt(LITTLE_ENDIAN),
         )
-        assertEquals(
-            0x12345678U,
-            byteArrayOf(0x78, 0x56, 0x34, 0x12).toUInt(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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 `toULong()`() {
-        assertEquals(
-            0x1234567812345678UL,
-            byteArrayOf(0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78).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(
-            0x1234567812345678UL,
-            byteArrayOf(0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12).toULong(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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])
     }
 }

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

@@ -0,0 +1,21 @@
+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/bytearray/UByteArray.kt

@@ -17,71 +17,188 @@ class `UByteArray Test` {
         }
     }
 
+    @Test
+    fun `and()`() {
+        val expected = ubyteArrayOf(0x18U, 0x00U)
+        val actual = ubyteArrayOf(0x5CU, 0x70U) and ubyteArrayOf(0x3AU, 0x0FU)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `or() - size`() {
+        assertFails {
+            ubyteArrayOf() or ubyteArrayOf(0x00U)
+        }
+        assertFails {
+            ubyteArrayOf(0x00U) or ubyteArrayOf()
+        }
+    }
+
+    @Test
+    fun `or()`() {
+        val expected = ubyteArrayOf(0x7EU, 0x7FU)
+        val actual = ubyteArrayOf(0x5CU, 0x70U) or ubyteArrayOf(0x3AU, 0x0FU)
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `xor() - size`() {
+        assertFails {
+            ubyteArrayOf() xor ubyteArrayOf(0x00U)
+        }
+        assertFails {
+            ubyteArrayOf(0x00U) xor ubyteArrayOf()
+        }
+    }
+
+    @Test
+    fun `xor()`() {
+        val expected = ubyteArrayOf(0x66U, 0x7FU)
+        val actual = ubyteArrayOf(0x5CU, 0x70U) xor ubyteArrayOf(0x3AU, 0x0FU)
+        assertContentEquals(expected, actual)
+    }
+
     @Test
     fun `padStart()`() {
-        val padded = ubyteArrayOf(0x02U, 0x02U).padStart(8, 0x01U)
-        assertEquals(8, padded.size)
-        assertContentEquals(
-            ubyteArrayOf(0x01U, 0x01U, 0x01U, 0x01U, 0x01U, 0x01U, 0x02U, 0x02U),
-            padded
-        )
+        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 `padStart() - unchanged`() {
+        val expected = ubyteArrayOf(0x02U, 0x02U)
+        val actual = ubyteArrayOf(0x02U, 0x02U).padStart(2, 0x01U)
+        assertEquals(2, actual.size)
+        assertContentEquals(expected, actual)
     }
 
     @Test
     fun `padEnd()`() {
-        val padded = ubyteArrayOf(0x02U, 0x02U).padEnd(8, 0x01U)
-        assertEquals(8, padded.size)
-        assertContentEquals(
-            ubyteArrayOf(0x02U, 0x02U, 0x01U, 0x01U, 0x01U, 0x01U, 0x01U, 0x01U),
-            padded
-        )
+        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 `padEnd() - unchanged`() {
+        val expected = ubyteArrayOf(0x02U, 0x02U)
+        val actual = ubyteArrayOf(0x02U, 0x02U).padEnd(2, 0x01U)
+        assertEquals(2, actual.size)
+        assertContentEquals(expected, actual)
     }
 
     @Test
     fun `toInt()`() {
-        assertEquals(
-            0x12345678,
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U).toInt()
+        val expected = 0x12345678
+        val actual = arrayOf(
+            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U).toInt(),
+            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U).toInt(LITTLE_ENDIAN),
         )
-        assertEquals(
-            0x12345678,
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U).toInt(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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 `toLong()`() {
-        assertEquals(
-            0x1234567812345678L,
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U).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(
-            0x1234567812345678L,
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U).toLong(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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 `toUInt()`() {
-        assertEquals(
-            0x12345678U,
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U).toUInt()
+        val expected = 0x12345678U
+        val actual = arrayOf(
+            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U).toUInt(),
+            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U).toUInt(LITTLE_ENDIAN),
         )
-        assertEquals(
-            0x12345678U,
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U).toUInt(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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 `toULong()`() {
-        assertEquals(
-            0x1234567812345678UL,
-            ubyteArrayOf(0x12U, 0x34U, 0x56U, 0x78U, 0x12U, 0x34U, 0x56U, 0x78U).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(
-            0x1234567812345678UL,
-            ubyteArrayOf(0x78U, 0x56U, 0x34U, 0x12U, 0x78U, 0x56U, 0x34U, 0x12U).toULong(LITTLE_ENDIAN)
+        assertEquals(expected, actual[0])
+        assertEquals(expected, actual[1])
+    }
+
+    @Test
+    fun `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])
     }
 }