--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zxing-cpp/wrappers/dotnet/ZXingCpp.Tests/UnitTest1.cs	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,80 @@
+using Xunit;
+using System.Text;
+using ZXingCpp;
+
+namespace ZXingCpp.Tests;
+
+public class UnitTest1
+{
+	[Fact]
+	public void ValidBarcodeFormatsParsing()
+	{
+		Assert.Equal(BarcodeFormats.QRCode, Barcode.FormatsFromString("qrcode"));
+		Assert.Equal(BarcodeFormats.LinearCodes, Barcode.FormatsFromString("linear_codes"));
+		Assert.Equal(BarcodeFormats.None, Barcode.FormatsFromString(""));
+	}
+
+	[Fact]
+	public void InvalidBarcodeFormatsParsing()
+	{
+		Assert.Throws<Exception>(() => Barcode.FormatsFromString("nope"));
+	}
+
+	[Fact]
+	public void InvalidImageView()
+	{
+		Assert.Throws<Exception>(() => new ImageView(new byte[0], 1, 1, ImageFormat.Lum));
+		Assert.Throws<Exception>(() => new ImageView(new byte[1], 1, 1, ImageFormat.Lum, 2));
+	}
+
+	[Fact]
+	public void Read()
+	{
+		var data = new List<byte>();
+		foreach (var v in "0000101000101101011110111101011011101010100111011100101000100101110010100000")
+			data.Add((byte)(v == '0' ? 255 : 0));
+
+		var iv = new ImageView(data.ToArray(), data.Count, 1, ImageFormat.Lum);
+		var br = new BarcodeReader() {
+			Binarizer = Binarizer.BoolCast,
+		};
+		var res = br.From(iv);
+
+		var expected = "96385074";
+
+		Assert.Single(res);
+		Assert.True(res[0].IsValid);
+		Assert.Equal(BarcodeFormats.EAN8, res[0].Format);
+		Assert.Equal(expected, res[0].Text);
+		Assert.Equal(Encoding.ASCII.GetBytes(expected), res[0].Bytes);
+		Assert.False(res[0].HasECI);
+		Assert.Equal(ContentType.Text, res[0].ContentType);
+		Assert.Equal(0, res[0].Orientation);
+		Assert.Equal(new PointI() { X = 4, Y = 0 }, res[0].Position.TopLeft);
+		Assert.Equal(1, res[0].LineCount);
+		Assert.False(res[0].IsMirrored);
+		Assert.False(res[0].IsInverted);
+		Assert.Equal(ErrorType.None, res[0].ErrorType);
+		Assert.Equal("", res[0].ErrorMsg);
+	}
+
+	[Fact]
+	public void Create()
+	{
+		var text = "hello";
+		var res = new Barcode(text, BarcodeFormats.DataMatrix);
+
+		Assert.True(res.IsValid);
+		Assert.Equal(BarcodeFormats.DataMatrix, res.Format);
+		Assert.Equal(text, res.Text);
+		Assert.Equal(Encoding.ASCII.GetBytes(text), res.Bytes);
+		Assert.False(res.HasECI);
+		Assert.Equal(ContentType.Text, res.ContentType);
+		Assert.Equal(0, res.Orientation);
+		Assert.False(res.IsMirrored);
+		Assert.False(res.IsInverted);
+		Assert.Equal(new PointI() { X = 1, Y = 1 }, res.Position.TopLeft);
+		Assert.Equal(ErrorType.None, res.ErrorType);
+		Assert.Equal("", res.ErrorMsg);
+	}
+}
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