--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zxing-cpp/wrappers/kn/src/nativeTest/kotlin/Test.kt	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,83 @@
+/*
+* Copyright 2024 ISNing
+*/
+// SPDX-License-Identifier: Apache-2.0
+
+import zxingcpp.*
+import kotlin.experimental.ExperimentalNativeApi
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+import kotlin.test.assertEquals
+import kotlin.test.assertNotNull
+
+class BarcodeReaderTest {
+
+	@Test
+	@OptIn(ExperimentalNativeApi::class)
+	fun `read barcode`() {
+		val data = "0000101000101101011110111101011011101010100111011100101000100101110010100000".map {
+			if (it == '0') 255.toByte() else 0.toByte()
+		}
+
+		val iv = ImageView(data.toByteArray(), data.size, 1, ImageFormat.Lum)
+		val br = BarcodeReader().apply {
+			binarizer = Binarizer.BoolCast
+		}
+		val res = br.read(iv).firstOrNull()
+
+		val expected = "96385074"
+
+		assertNotNull(res)
+		assert(res.isValid)
+		assertEquals(BarcodeFormat.EAN8, res.format)
+		assertEquals(expected, res.text)
+		assertContentEquals(expected.encodeToByteArray(), res.bytes)
+		assert(!res.hasECI)
+		assertEquals(ContentType.Text, res.contentType)
+		assertEquals(0, res.orientation)
+		assertEquals(PointI(4, 0), res.position.topLeft)
+		assertEquals(1, res.lineCount)
+	}
+
+	@Test
+	@OptIn(ExperimentalNativeApi::class, ExperimentalWriterApi::class)
+	fun `create write and read barcode with text`() {
+		val text = "I have the best words."
+		val barcode = Barcode(text, BarcodeFormat.DataMatrix)
+		val image = barcode.toImage()
+
+		val res = BarcodeReader.read(image.toImageView()).firstOrNull()
+
+		assertNotNull(res)
+		assert(res.isValid)
+		assertEquals(BarcodeFormat.DataMatrix, res.format)
+		assertEquals(text, res.text)
+		assertContentEquals(text.encodeToByteArray(), res.bytes)
+		assert(!res.hasECI)
+		assertEquals(ContentType.Text, res.contentType)
+		assertEquals(0, res.orientation)
+		assertEquals(PointI(1, 1), res.position.topLeft)
+		assertEquals(0, res.lineCount)
+	}
+
+	@Test
+	@OptIn(ExperimentalNativeApi::class, ExperimentalWriterApi::class)
+	fun `create write and read barcode with bytes`() {
+		val text = "I have the best words."
+		val barcode = Barcode(text.encodeToByteArray(), BarcodeFormat.DataMatrix)
+		val image = barcode.toImage()
+
+		val res = BarcodeReader.read(image.toImageView()).firstOrNull()
+
+		assertNotNull(res)
+		assert(res.isValid)
+		assertEquals(BarcodeFormat.DataMatrix, res.format)
+		assertEquals(text, res.text)
+		assertContentEquals(text.encodeToByteArray(), res.bytes)
+		assert(res.hasECI)
+		assertEquals(ContentType.Binary, res.contentType)
+		assertEquals(0, res.orientation)
+		assertEquals(PointI(1, 1), res.position.topLeft)
+		assertEquals(0, res.lineCount)
+	}
+}