ImageSharp/tests/ImageSharp.Tests/Metadata/Profiles/Exif/ExifValueTests.cs

// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.

using SixLabors.ImageSharp.Metadata.Profiles.Exif;
using SixLabors.ImageSharp.PixelFormats;
using Xunit;

namespace SixLabors.ImageSharp.Tests.Metadata.Profiles.Exif
{
    [Trait("Profile", "Exif")]
    public class ExifValueTests
    {
        private readonly ExifProfile profile;

        public ExifValueTests()
        {
            using (Image<Rgba32> image = TestFile.Create(TestImages.Jpeg.Baseline.Floorplan).CreateRgba32Image())
            {
                this.profile = image.Metadata.ExifProfile;
            }
        }

        private IExifValue<string> GetExifValue()
        {
            Assert.NotNull(this.profile);

            return this.profile.GetValue(ExifTag.Software);
        }

        [Fact]
        public void IEquatable()
        {
            IExifValue<string> first = this.GetExifValue();
            IExifValue<string> second = this.GetExifValue();

            Assert.True(first == second);
            Assert.True(first.Equals(second));
        }

        [Fact]
        public void Properties()
        {
            IExifValue<string> value = this.GetExifValue();

            Assert.Equal(ExifDataType.Ascii, value.DataType);
            Assert.Equal(ExifTag.Software, value.Tag);
            Assert.False(value.IsArray);

            const string expected = "Windows Photo Editor 10.0.10011.16384";
            Assert.Equal(expected, value.ToString());
            Assert.Equal(expected, value.Value);
        }
    }
}