System.Diagnostics.Tests.ProcessThreadTests.TestPriorityLevelProperty C# (CSharp) Method

        public void TestPriorityLevelProperty()
        {
            ProcessThread thread = _process.Threads[0];

            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
            {
                Assert.Throws<PlatformNotSupportedException>(() => thread.PriorityLevel);
                Assert.Throws<PlatformNotSupportedException>(() => thread.PriorityLevel = ThreadPriorityLevel.AboveNormal);
                return;
            }

            ThreadPriorityLevel originalPriority = thread.PriorityLevel;

            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                Assert.Throws<PlatformNotSupportedException>(() => thread.PriorityLevel = ThreadPriorityLevel.AboveNormal);
                return;
            }

            try
            {
                thread.PriorityLevel = ThreadPriorityLevel.AboveNormal;
                Assert.Equal(ThreadPriorityLevel.AboveNormal, thread.PriorityLevel);
            }
            finally
            {
                thread.PriorityLevel = originalPriority;
                Assert.Equal(originalPriority, thread.PriorityLevel);
            }
        }