public bool Equals()

in src/Microsoft.VisualStudio.Composition/ByValueEquality+AssemblyNameComparer.cs [32:72]
28 lines of code
15 McCabe index (conditional complexity)

            public bool Equals(AssemblyName? x, AssemblyName? y)
            {
                if (x is null && y is null)
                {
                    return true;
                }

                if (x is null || y is null)
                {
                    return false;
                }

                // If fast check is enabled, we can compare the code bases
                if (this.fastCheck && x.CodeBase == y.CodeBase)
                {
                    return true;
                }

                // There are some cases where two AssemblyNames who are otherwise equivalent
                // have a null PublicKey but a correct PublicKeyToken, and vice versa. We should
                // compare the PublicKeys first, but then fall back to GetPublicKeyToken(), which
                // will generate a public key token for the AssemblyName that has a public key and
                // return the public key token for the other AssemblyName.
                byte[]? xPublicKey = x.GetPublicKey();
                byte[]? yPublicKey = y.GetPublicKey();

                // Testing on FullName is horrifically slow.
                // So test directly on its components instead.
                if (xPublicKey != null && yPublicKey != null)
                {
                    return x.Name == y.Name
                        && Equals(x.Version, y.Version)
                        && string.Equals(x.CultureName, y.CultureName)
                        && ByValueEquality.Buffer.Equals(xPublicKey, yPublicKey);
                }

                return x.Name == y.Name
                    && Equals(x.Version, y.Version)
                    && string.Equals(x.CultureName, y.CultureName)
                    && ByValueEquality.Buffer.Equals(x.GetPublicKeyToken(), y.GetPublicKeyToken());
            }