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using System;
using NUnit.Framework;
using System.Runtime.InteropServices;
using Google.GRPC.Core.Internal;
namespace Google.GRPC.Core.Internal.Tests
{
public class TimespecTest
{
[Test]
public void Now()
{
var timespec = Timespec.Now;
}
[Test]
public void InfFuture()
{
var timespec = Timespec.InfFuture;
}
[Test]
public void TimespecSizeIsNativeSize()
{
Assert.AreEqual(Timespec.NativeSize, Marshal.SizeOf(typeof(Timespec)));
}
[Test]
public void Add()
{
var t = new Timespec { tv_sec = new IntPtr(12345), tv_nsec = new IntPtr(123456789) };
var result = t.Add(TimeSpan.FromTicks(TimeSpan.TicksPerSecond * 10));
Assert.AreEqual(result.tv_sec, new IntPtr(12355));
Assert.AreEqual(result.tv_nsec, new IntPtr(123456789));
}
[Test]
public void Add_Nanos()
{
var t = new Timespec { tv_sec = new IntPtr(12345), tv_nsec = new IntPtr(123456789) };
var result = t.Add(TimeSpan.FromTicks(10));
Assert.AreEqual(result.tv_sec, new IntPtr(12345));
Assert.AreEqual(result.tv_nsec, new IntPtr(123456789 + 1000));
}
[Test]
public void Add_NanosOverflow()
{
var t = new Timespec { tv_sec = new IntPtr(12345), tv_nsec = new IntPtr(999999999) };
var result = t.Add(TimeSpan.FromTicks(TimeSpan.TicksPerSecond * 10 + 10));
Assert.AreEqual(result.tv_sec, new IntPtr(12356));
Assert.AreEqual(result.tv_nsec, new IntPtr(999));
}
}
}
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