protobuf-src 2.1.1+27.1

Build system integration for libprotobuf.
Documentation 
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#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#endregion

using Google.Protobuf.Reflection;
using NUnit.Framework;
using System;
using System.Linq;

namespace Google.Protobuf.Test.Reflection;

public class FeatureSetDescriptorTest
{
    // Canonical serialized form of the edition defaults, generated by embed_edition_defaults.
    // TODO: Update this automatically.
    private const string DefaultsBase64 =
        "ChMY5gciDAgBEAIYAiADKAEwAioAChMY5wciDAgCEAEYASACKAEwASoAChMY6AciDAgBEAEYASACKAEwASoAIOYHKOgH";

    [Test]
    [TestCase(Edition.Proto2)]
    [TestCase(Edition.Proto3)]
    [TestCase(Edition._2023)]
    public void DefaultsMatchCanonicalSerializedForm(Edition edition)
    {
        var canonicalDefaults = FeatureSetDefaults.Parser
          .WithDiscardUnknownFields(true) // Discard language-specific extensions.
          .ParseFrom(Convert.FromBase64String(DefaultsBase64));
        var canonicalEditionDefaults = new FeatureSet();
        canonicalEditionDefaults.MergeFrom(
            canonicalDefaults.Defaults.Single(def => def.Edition == edition).FixedFeatures);
        canonicalEditionDefaults.MergeFrom(
            canonicalDefaults.Defaults.Single(def => def.Edition == edition).OverridableFeatures);
        var candidateEditionDefaults = FeatureSetDescriptor.GetEditionDefaults(edition).Proto;

        Assert.AreEqual(canonicalEditionDefaults, candidateEditionDefaults);
    }
}