public void Automaton_Should_AllowSequentialCallOfIterateFromOneTask()
{
#if PUBLISH
const int loops = 50;
#else
const int loops = 1000;
#endif
var automaton = TestsHelpers.CreateSpaceship();
var statistics = new Statistics();
var tasks = new[]
{
Task.Run(() =>
{
for (var pos = 0; pos < loops; pos++)
{
automaton.Iterate(ref statistics);
Thread.Sleep(10);
}
})
};
var exception = Record.ExceptionAsync(async() => await Task.WhenAll(tasks));
Assert.NotNull(exception);
Assert.Null(exception.Result);
}
public void Automaton_Should_RejectSecondCallOfIterate()
{
// service inverts state of the cell, and put thread to sleep for 50 ms
// 10*10 cells give total 5s of delay -> second task should be rejected
var cellLifeService = new Mock <ICellLifeService>();
cellLifeService.
Setup(service => service.Iterate(It.IsAny <ICell>(), It.IsAny <ICell>(), It.IsAny <ICell>())).
Callback((ICell cell1, ICell cell2, ICell cell3) =>
{
Thread.Sleep(50);
cell2.NextState = !cell2.State;
});
var automaton = TestsHelpers.CreateSpaceship(cellLifeService.Object);
var statistics1 = new Statistics();
var statistics2 = new Statistics();
var tasks = new[]
{
Task.Run(() =>
{
return(automaton.Iterate(ref statistics1) ? 1 : 0);
}),
Task.Run(() =>
{
var pos = 0;
for (; pos < 100; pos++)
{
Thread.Sleep(10);
if (automaton.Iterate(ref statistics2))
{
break;
}
}
return(pos);
})
};
// use int as returned value in order to catch how many
// requests from second task were rejected
int[] result = null;
var exception = Record.ExceptionAsync(async() => result = await Task.WhenAll(tasks));
Assert.NotNull(exception);
Assert.Null(exception.Result);
result.Should().NotBeNull();
result.Length.Should().Be(2);
result[0].Should().Be(1);
result[1].Should().Be(100);
}
public void Automaton_Should_CheckStatusForEachCell()
{
var cellLifeService = new Mock <ICellLifeService>();
cellLifeService.
Setup(service => service.Iterate(It.IsAny <ICell>(), It.IsAny <ICell>(), It.IsAny <ICell>()));
var automaton = TestsHelpers.CreateSpaceship(cellLifeService.Object);
var expectedCount = automaton.Size.Width * automaton.Size.Height;
var statistics = new Statistics();
var result = automaton.Iterate(ref statistics);
result.Should().Be(true); // there is no iterations, no changes
cellLifeService.Verify(service => service.Iterate(It.IsAny <ICell>(), It.IsAny <ICell>(), It.IsAny <ICell>()), Times.Exactly(expectedCount));
statistics.Borned.Should().Be(0);
statistics.Died.Should().Be(0);
}
public void Automaton_Should_ChangeLiveCells()
{
// service inverts state of the cell, and put thread to sleep for 30 ms
// 10*10 cells give total 3s of delay -> second task should be rejected
var cellLifeService = new Mock <ICellLifeService>();
cellLifeService.
Setup(service => service.Iterate(It.IsAny <ICell>(), It.IsAny <ICell>(), It.IsAny <ICell>())).
Callback((ICell left, ICell current, ICell right) => current.NextState = (current.State ? (bool?)false : null));
var automaton = TestsHelpers.CreateSpaceship(cellLifeService.Object);
var expectedCount = automaton.Size.Width * automaton.Size.Height;
var liveCount = automaton.GetPoints().Count();
var statistics = new Statistics();
var result = automaton.Iterate(ref statistics);
result.Should().Be(true);
cellLifeService.Verify(service => service.Iterate(It.IsAny <ICell>(), It.IsAny <ICell>(), It.IsAny <ICell>()), Times.Exactly(expectedCount));
statistics.Borned.Should().Be(0);
statistics.Died.Should().Be(-liveCount);
}