using System; using System.Linq; using System.Runtime.CompilerServices; namespace NUnit.Framework.Internal { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public static class NetPlatformHelper { [System.Runtime.CompilerServices.Nullable(0)] private static class OperatingSystem { public static bool IsOSPlatform(string platform) { if (platform.Equals("Windows", StringComparison.OrdinalIgnoreCase)) return Environment.OSVersion.Platform == PlatformID.Win32NT; if (platform.Equals("Linux", StringComparison.OrdinalIgnoreCase)) return Environment.OSVersion.Platform == PlatformID.Unix; if (platform.Equals("macOS", StringComparison.OrdinalIgnoreCase)) return Environment.OSVersion.Platform == PlatformID.MacOSX; return false; } public static bool IsOSPlatformVersionAtLeast(string os, int major, int minor, int build, int revision) { if (IsOSPlatform(os)) return IsOSVersionAtLeast(major, minor, build, revision); return false; } private static bool IsOSVersionAtLeast(int major, int minor, int build, int revision) { Version version = Environment.OSVersion.Version; if (version.Major != major) return version.Major > major; if (version.Minor != minor) return version.Minor > minor; if (version.Build != build) return version.Build > build; if (version.Revision < revision) { if (version.Revision == -1) return revision == 0; return false; } return true; } } private static readonly char[] Digits = new char[10] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' }; public static bool IsPlatformSupported(string[] platforms) { return platforms.Any(IsPlatformSupported); } public static bool IsPlatformSupported(string platform) { if (Enumerable.Contains(platform, ',')) return IsPlatformSupported(platform.Split(new char[1] { ',' })); string plaformName = platform.Trim(); ParseOSAndVersion(plaformName, out string os, out Version version); if ((object)version != null && os.Equals("Windows", StringComparison.OrdinalIgnoreCase)) { if (version.Major == 7) version = new Version(6, 1); else if (version.Major == 8) { version = new Version(6, (version.Minor == 1) ? 3 : 2); } } if ((object)version != null) return OperatingSystem.IsOSPlatformVersionAtLeast(os, version.Major, version.Minor, version.Build, version.MajorRevision); return OperatingSystem.IsOSPlatform(os); } private static void ParseOSAndVersion(string plaformName, out string os, [System.Runtime.CompilerServices.Nullable(2)] out Version version) { int num = plaformName.IndexOfAny(Digits); if (num > 0) { os = plaformName.Substring(0, num); Version.TryParse(plaformName.Substring(num), out version); } else { os = plaformName; version = null; } } } }