using BCnEncoder.Encoder;

using BCnEncTests.Support;

using Xunit;

namespace BCnEncTests

{

public class EncoderOptionsTests

{

[Theory]

[InlineData(1)]

[InlineData(2)]

[InlineData(5)]

[InlineData(10)]

public void MaxMipMaps(int requestedMipMaps)

{

var testImage = ImageLoader.TestBlur1;

var encoder = new BcEncoder()

{

OutputOptions =

{

GenerateMipMaps = true,

MaxMipMapLevel = requestedMipMaps

}

};

Assert.Equal(requestedMipMaps, encoder.CalculateNumberOfMipLevels(testImage.Width, testImage.Height));

var ktx = encoder.EncodeToKtx(testImage);

Assert.Equal(requestedMipMaps, (int)ktx.header.NumberOfMipmapLevels);

Assert.Equal(requestedMipMaps, ktx.MipMaps.Count);

var dds = encoder.EncodeToDds(testImage);

Assert.Equal(requestedMipMaps, (int)dds.header.dwMipMapCount);

Assert.Equal(requestedMipMaps, dds.Faces[0].MipMaps.Length);

}

[Fact]

[System.Diagnostics.CodeAnalysis.SuppressMessage("Assertions", "xUnit2013:Do not use equality check to check for collection size.", Justification = "<Pending>")]

public void GenerateMipMaps()

{

var testImage = ImageLoader.TestBlur1;

const int requestedMipMaps = 1;

var encoder = new BcEncoder()

{

OutputOptions =

{

GenerateMipMaps = false

}

};

Assert.Equal(requestedMipMaps, encoder.CalculateNumberOfMipLevels(testImage.Width, testImage.Height));

var ktx = encoder.EncodeToKtx(testImage);

Assert.Equal(requestedMipMaps, (int)ktx.header.NumberOfMipmapLevels);

Assert.Equal(requestedMipMaps, (int)ktx.MipMaps.Count);

var dds = encoder.EncodeToDds(testImage);

Assert.Equal(requestedMipMaps, (int)dds.header.dwMipMapCount);

Assert.Equal(requestedMipMaps, dds.Faces[0].MipMaps.Length);

}

}

}