build.gradle.kts

@@ -1,5 +1,5 @@
 group = "com.infendro"
-version = "1.1.0"
+version = "1.2.0"
 
 repositories {
     mavenCentral()
@@ -16,6 +16,16 @@ kotlin {
         nodejs()
     }
     linuxX64()
+
+    sourceSets {
+        commonTest.dependencies {
+            implementation(libs.test)
+        }
+    }
+
+    compilerOptions {
+        freeCompilerArgs.add("-opt-in=kotlin.ExperimentalUnsignedTypes")
+    }
 }
 
 publishing {

gradle/libs.versions.toml

@@ -3,3 +3,6 @@ kotlin = "2.1.20"
 
 [plugins]
 multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
+
+[libraries]
+test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }

src/commonMain/kotlin/com/infendro/encoding/Base16.kt

@@ -0,0 +1,16 @@
+package com.infendro.encoding
+
+object Base16 : Encoding() {
+    private val CHARACTERS = ubyteArrayOf(
+        0x30U, 0x31U, 0x32U, 0x33U, 0x34U, 0x35U, 0x36U, 0x37U,
+        0x38U, 0x39U, 0x61U, 0x62U, 0x63U, 0x64U, 0x65U, 0x66U,
+    )
+
+    override fun encode(
+        bytes: UByteArray,
+    ) = encode(bytes, CHARACTERS)
+
+    override fun decode(
+        bytes: UByteArray,
+    ) = decode(bytes, CHARACTERS)
+}

src/commonMain/kotlin/com/infendro/encoding/Base2.kt

@@ -0,0 +1,15 @@
+package com.infendro.encoding
+
+object Base2 : Encoding() {
+    private val CHARACTERS = ubyteArrayOf(
+        0x30U, 0x31U,
+    )
+
+    override fun encode(
+        bytes: UByteArray,
+    ) = encode(bytes, CHARACTERS)
+
+    override fun decode(
+        bytes: UByteArray,
+    ) = decode(bytes, CHARACTERS)
+}

src/commonMain/kotlin/com/infendro/encoding/Base32.kt

@@ -1,31 +1,19 @@
 package com.infendro.encoding
 
 object Base32 : Encoding() {
-    private val CHARACTERS = arrayOf<Byte>(
+    private val CHARACTERS = ubyteArrayOf(
-        0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
+        0x41U, 0x42U, 0x43U, 0x44U, 0x45U, 0x46U, 0x47U, 0x48U,
-        0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
+        0x49U, 0x4aU, 0x4bU, 0x4cU, 0x4dU, 0x4eU, 0x4fU, 0x50U,
-        0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+        0x51U, 0x52U, 0x53U, 0x54U, 0x55U, 0x56U, 0x57U, 0x58U,
-        0x59, 0x5a, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+        0x59U, 0x5aU, 0x32U, 0x33U, 0x34U, 0x35U, 0x36U, 0x37U,
     )
-    private const val PADDING: Byte = 0x3d
+    private const val PADDING: UByte = 0x3dU
 
     override fun encode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-    ): ByteArray {
+    ) = encode(bytes, CHARACTERS, PADDING)
-        return encode(
-            bytes,
-            CHARACTERS,
-            PADDING,
-        )
-    }
 
     override fun decode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-    ): ByteArray {
+    ) = decode(bytes, CHARACTERS, PADDING)
-        return decode(
-            bytes,
-            CHARACTERS,
-            PADDING,
-        )
-    }
 }

src/commonMain/kotlin/com/infendro/encoding/Base64.kt

@@ -1,35 +1,23 @@
 package com.infendro.encoding
 
 object Base64 : Encoding() {
-    private val CHARACTERS = arrayOf<Byte>(
+    private val CHARACTERS = ubyteArrayOf(
-        0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
+        0x41U, 0x42U, 0x43U, 0x44U, 0x45U, 0x46U, 0x47U, 0x48U,
-        0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
+        0x49U, 0x4aU, 0x4bU, 0x4cU, 0x4dU, 0x4eU, 0x4fU, 0x50U,
-        0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+        0x51U, 0x52U, 0x53U, 0x54U, 0x55U, 0x56U, 0x57U, 0x58U,
-        0x59, 0x5a, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
+        0x59U, 0x5aU, 0x61U, 0x62U, 0x63U, 0x64U, 0x65U, 0x66U,
-        0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
+        0x67U, 0x68U, 0x69U, 0x6aU, 0x6bU, 0x6cU, 0x6dU, 0x6eU,
-        0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
+        0x6fU, 0x70U, 0x71U, 0x72U, 0x73U, 0x74U, 0x75U, 0x76U,
-        0x77, 0x78, 0x79, 0x7a, 0x30, 0x31, 0x32, 0x33,
+        0x77U, 0x78U, 0x79U, 0x7aU, 0x30U, 0x31U, 0x32U, 0x33U,
-        0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x2b, 0x2f,
+        0x34U, 0x35U, 0x36U, 0x37U, 0x38U, 0x39U, 0x2bU, 0x2fU,
     )
-    private const val PADDING: Byte = 0x3d
+    private const val PADDING: UByte = 0x3dU
 
     override fun encode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-    ): ByteArray {
+    ) = encode(bytes, CHARACTERS, PADDING)
-        return encode(
-            bytes,
-            CHARACTERS,
-            PADDING,
-        )
-    }
 
     override fun decode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-    ): ByteArray {
+    ) = decode(bytes, CHARACTERS, PADDING)
-        return decode(
-            bytes,
-            CHARACTERS,
-            PADDING,
-        )
-    }
 }

src/commonMain/kotlin/com/infendro/encoding/Base8.kt

@@ -0,0 +1,15 @@
+package com.infendro.encoding
+
+object Base8 : Encoding() {
+    private val CHARACTERS = ubyteArrayOf(
+        0x30U, 0x31U, 0x32U, 0x33U, 0x34U, 0x35U, 0x36U, 0x37U,
+    )
+
+    override fun encode(
+        bytes: UByteArray,
+    ) = encode(bytes, CHARACTERS)
+
+    override fun decode(
+        bytes: UByteArray,
+    ) = decode(bytes, CHARACTERS)
+}

src/commonMain/kotlin/com/infendro/encoding/Binary.kt

@@ -1,25 +0,0 @@
-package com.infendro.encoding
-
-object Binary : Encoding() {
-    private val CHARACTERS = arrayOf<Byte>(
-        0x30, 0x31,
-    )
-
-    override fun encode(
-        bytes: ByteArray,
-    ): ByteArray {
-        return encode(
-            bytes,
-            CHARACTERS,
-        )
-    }
-
-    override fun decode(
-        bytes: ByteArray,
-    ): ByteArray {
-        return decode(
-            bytes,
-            CHARACTERS,
-        )
-    }
-}

src/commonMain/kotlin/com/infendro/encoding/Encoding.kt

@@ -6,28 +6,28 @@ import kotlin.math.pow
 
 sealed class Encoding {
     abstract fun encode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-    ): ByteArray
+    ): UByteArray
 
     abstract fun decode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-    ): ByteArray
+    ): UByteArray
 
     protected fun encode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-        characters: Array<Byte>,
+        characters: UByteArray,
-        padding: Byte? = null,
+        padding: UByte? = null,
-    ): ByteArray {
+    ): UByteArray {
         val length = log2(characters.size).toInt()
         val mask = (2.0.pow(length) - 1).toUInt()
 
-        val encoded = mutableListOf<Byte>()
+        val encoded = mutableListOf<UByte>()
 
         var buffer = 0U
         var bits = 0
 
         for (byte in bytes) {
-            buffer = (buffer shl 8) + byte.toUByte()
+            buffer = (buffer shl 8) + byte
             bits += 8
 
             while (bits >= length) {
@@ -52,18 +52,18 @@ sealed class Encoding {
             }
         }
 
-        return encoded.toByteArray()
+        return encoded.toUByteArray()
     }
 
     protected fun decode(
-        bytes: ByteArray,
+        bytes: UByteArray,
-        characters: Array<Byte>,
+        characters: UByteArray,
-        padding: Byte? = null,
+        padding: UByte? = null,
-    ): ByteArray {
+    ): UByteArray {
         val length = log2(characters.size).toInt()
-        val mask = 0xFFU
+        val mask = 0xffU
 
-        val decoded = mutableListOf<Byte>()
+        val decoded = mutableListOf<UByte>()
 
         var buffer = 0U
         var bits = 0
@@ -79,7 +79,7 @@ sealed class Encoding {
 
             if (bits >= 8) {
                 val offset = bits - 8
-                val character = (buffer shr offset).toByte()
+                val character = (buffer shr offset).toUByte()
                 buffer = buffer and (mask shl offset).inv()
                 bits -= 8
 
@@ -87,6 +87,6 @@ sealed class Encoding {
             }
         }
 
-        return decoded.toByteArray()
+        return decoded.toUByteArray()
     }
 }

src/commonMain/kotlin/com/infendro/encoding/Hex.kt

@@ -1,26 +0,0 @@
-package com.infendro.encoding
-
-object Hex : Encoding() {
-    private val CHARACTERS = arrayOf<Byte>(
-        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
-        0x38, 0x39, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
-    )
-
-    override fun encode(
-        bytes: ByteArray,
-    ): ByteArray {
-        return encode(
-            bytes,
-            CHARACTERS,
-        )
-    }
-
-    override fun decode(
-        bytes: ByteArray,
-    ): ByteArray {
-        return decode(
-            bytes,
-            CHARACTERS,
-        )
-    }
-}

src/commonTest/kotlin/com/infendro/encoding/Base16.kt

@@ -0,0 +1,33 @@
+package com.infendro.encoding
+
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class `Base16 Test` {
+    val encoding: Encoding
+        get() = Base16
+
+    val `Hello World!` = ubyteArrayOf(
+        0x48U, 0x65U, 0x6cU, 0x6cU,
+        0x6fU, 0x20U, 0x57U, 0x6fU,
+        0x72U, 0x6cU, 0x64U, 0x21U,
+    )
+
+    @Test
+    fun `encode empty ByteArray`() {
+        val expected = ubyteArrayOf()
+        val actual = encoding.encode(ubyteArrayOf())
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `encode "Hello World!"`() {
+        val expected = ubyteArrayOf(
+            0x34U, 0x38U, 0x36U, 0x35U, 0x36U, 0x63U, 0x36U, 0x63U,
+            0x36U, 0x66U, 0x32U, 0x30U, 0x35U, 0x37U, 0x36U, 0x66U,
+            0x37U, 0x32U, 0x36U, 0x63U, 0x36U, 0x34U, 0x32U, 0x31U,
+        )
+        val actual = encoding.encode(`Hello World!`)
+        assertContentEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/encoding/Base2.kt

@@ -0,0 +1,42 @@
+package com.infendro.encoding
+
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class `Base2 Test` {
+    val encoding: Encoding
+        get() = Base2
+
+    val `Hello World!` = ubyteArrayOf(
+        0x48U, 0x65U, 0x6cU, 0x6cU,
+        0x6fU, 0x20U, 0x57U, 0x6fU,
+        0x72U, 0x6cU, 0x64U, 0x21U,
+    )
+
+    @Test
+    fun `encode empty ByteArray`() {
+        val expected = ubyteArrayOf()
+        val actual = encoding.encode(ubyteArrayOf())
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `encode "Hello World!"`() {
+        val expected = ubyteArrayOf(
+            0x30U, 0x31U, 0x30U, 0x30U, 0x31U, 0x30U, 0x30U, 0x30U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x30U, 0x31U, 0x30U, 0x31U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x31U, 0x31U, 0x30U, 0x30U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x31U, 0x31U, 0x30U, 0x30U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x31U, 0x31U, 0x31U, 0x31U,
+            0x30U, 0x30U, 0x31U, 0x30U, 0x30U, 0x30U, 0x30U, 0x30U,
+            0x30U, 0x31U, 0x30U, 0x31U, 0x30U, 0x31U, 0x31U, 0x31U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x31U, 0x31U, 0x31U, 0x31U,
+            0x30U, 0x31U, 0x31U, 0x31U, 0x30U, 0x30U, 0x31U, 0x30U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x31U, 0x31U, 0x30U, 0x30U,
+            0x30U, 0x31U, 0x31U, 0x30U, 0x30U, 0x31U, 0x30U, 0x30U,
+            0x30U, 0x30U, 0x31U, 0x30U, 0x30U, 0x30U, 0x30U, 0x31U,
+        )
+        val actual = encoding.encode(`Hello World!`)
+        assertContentEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/encoding/Base32.kt

@@ -0,0 +1,33 @@
+package com.infendro.encoding
+
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class `Base32 Test` {
+    val encoding: Encoding
+        get() = Base32
+
+    val `Hello World!` = ubyteArrayOf(
+        0x48U, 0x65U, 0x6cU, 0x6cU,
+        0x6fU, 0x20U, 0x57U, 0x6fU,
+        0x72U, 0x6cU, 0x64U, 0x21U,
+    )
+
+    @Test
+    fun `encode empty ByteArray`() {
+        val expected = ubyteArrayOf()
+        val actual = encoding.encode(ubyteArrayOf())
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `encode "Hello World!"`() {
+        val expected = ubyteArrayOf(
+            0x4aU, 0x42U, 0x53U, 0x57U, 0x59U, 0x33U, 0x44U, 0x50U,
+            0x45U, 0x42U, 0x4cU, 0x57U, 0x36U, 0x34U, 0x54U, 0x4dU,
+            0x4dU, 0x51U, 0x51U, 0x51U, 0x3dU, 0x3dU, 0x3dU, 0x3dU,
+        )
+        val actual = encoding.encode(`Hello World!`)
+        assertContentEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/encoding/Base64.kt

@@ -0,0 +1,32 @@
+package com.infendro.encoding
+
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class `Base64 Test` {
+    val encoding: Encoding
+        get() = Base64
+
+    val `Hello World!` = ubyteArrayOf(
+        0x48U, 0x65U, 0x6cU, 0x6cU,
+        0x6fU, 0x20U, 0x57U, 0x6fU,
+        0x72U, 0x6cU, 0x64U, 0x21U,
+    )
+
+    @Test
+    fun `encode empty ByteArray`() {
+        val expected = ubyteArrayOf()
+        val actual = encoding.encode(ubyteArrayOf())
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `encode "Hello World!"`() {
+        val expected = ubyteArrayOf(
+            0x53U, 0x47U, 0x56U, 0x73U, 0x62U, 0x47U, 0x38U, 0x67U,
+            0x56U, 0x32U, 0x39U, 0x79U, 0x62U, 0x47U, 0x51U, 0x68U,
+        )
+        val actual = encoding.encode(`Hello World!`)
+        assertContentEquals(expected, actual)
+    }
+}

src/commonTest/kotlin/com/infendro/encoding/Base8.kt

@@ -0,0 +1,34 @@
+package com.infendro.encoding
+
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+
+class `Base8 Test` {
+    val encoding: Encoding
+        get() = Base8
+
+    val `Hello World!` = ubyteArrayOf(
+        0x48U, 0x65U, 0x6cU, 0x6cU,
+        0x6fU, 0x20U, 0x57U, 0x6fU,
+        0x72U, 0x6cU, 0x64U, 0x21U,
+    )
+
+    @Test
+    fun `encode empty ByteArray`() {
+        val expected = ubyteArrayOf()
+        val actual = encoding.encode(ubyteArrayOf())
+        assertContentEquals(expected, actual)
+    }
+
+    @Test
+    fun `encode "Hello World!"`() {
+        val expected = ubyteArrayOf(
+            0x32U, 0x32U, 0x30U, 0x36U, 0x32U, 0x35U, 0x35U, 0x34U,
+            0x33U, 0x33U, 0x30U, 0x36U, 0x37U, 0x34U, 0x34U, 0x30U,
+            0x32U, 0x35U, 0x36U, 0x36U, 0x37U, 0x35U, 0x36U, 0x32U,
+            0x33U, 0x33U, 0x30U, 0x36U, 0x32U, 0x30U, 0x34U, 0x31U,
+        )
+        val actual = encoding.encode(`Hello World!`)
+        assertContentEquals(expected, actual)
+    }
+}