// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using Xunit;

namespace Microsoft.AspNetCore.Testing
{
    public class MinimumOSVersionAttributeTest
    {
        [Fact]
        public void Linux_ThrowsNotImplemeneted()
        {
            Assert.Throws<NotImplementedException>(() => new MinimumOSVersionAttribute(OperatingSystems.Linux, "2.5"));
        }

        [Fact]
        public void Mac_ThrowsNotImplemeneted()
        {
            Assert.Throws<NotImplementedException>(() => new MinimumOSVersionAttribute(OperatingSystems.MacOSX, "2.5"));
        }

        [Fact]
        public void WindowsOrLinux_ThrowsNotImplemeneted()
        {
            Assert.Throws<NotImplementedException>(() => new MinimumOSVersionAttribute(OperatingSystems.Linux | OperatingSystems.Windows, "2.5"));
        }

        [Fact]
        public void DoesNotSkip_LaterVersions()
        {
            var osSkipAttribute = new MinimumOSVersionAttribute(
                OperatingSystems.Windows,
                new Version("2.0"),
                OperatingSystems.Windows,
                new Version("2.5"));

            Assert.True(osSkipAttribute.IsMet);
        }

        [Fact]
        public void DoesNotSkip_SameVersion()
        {
            var osSkipAttribute = new MinimumOSVersionAttribute(
                OperatingSystems.Windows,
                new Version("2.5"),
                OperatingSystems.Windows,
                new Version("2.5"));

            Assert.True(osSkipAttribute.IsMet);
        }

        [Fact]
        public void Skip_EarlierVersion()
        {
            var osSkipAttribute = new MinimumOSVersionAttribute(
                OperatingSystems.Windows,
                new Version("3.0"),
                OperatingSystems.Windows,
                new Version("2.5"));

            Assert.False(osSkipAttribute.IsMet);
        }

        [Fact]
        public void DoesNotSkip_WhenOnlyVersionsMatch()
        {
            var osSkipAttribute = new MinimumOSVersionAttribute(
                OperatingSystems.Windows,
                new Version("2.5"),
                OperatingSystems.Linux,
                new Version("2.5"));

            Assert.True(osSkipAttribute.IsMet);
        }
    }
}
