public async Task RaceReturnsOnceAndForFirstTask()
{
const int delay1 = 500, delay2 = 100, delay3 = 5000;
var task1Finished = false;
var task2Finished = false;
var task3Finished = false;
var expectedException = new PromiseTestException("Expected to happen");
var task1 = Task.Run(async() =>
{
await Task.Delay(delay1);
task1Finished = true;
});
var task2 = Task.Run(async() =>
{
await Task.Delay(delay2);
task2Finished = true;
});
var task3 = Task.Run(async() =>
{
await Task.Delay(delay3);
task3Finished = true;
throw expectedException;
});
var item = SharpPromise.Promise.Race(task1, task2, task3);
await item.Then(() =>
{
task2Finished.ShouldBeTrue("Task 2 did not finish in time.");
},
ex =>
{
0.ShouldBe(1, "Test 1 resulted in an exception, which should not happen");
});
var task4Finished = false;
var task5Finished = false;
var task6Finished = false;
var task4 = Task.Run(async() =>
{
await Task.Delay(delay1);
task4Finished = true;
});
var task5 = Task.Run(async() =>
{
await Task.Delay(delay3);
task5Finished = true;
});
var task6 = Task.Run(async() =>
{
await Task.Delay(delay2);
task6Finished = true;
throw expectedException;
});
var item2 = SharpPromise.Promise.Race(task4, task5, task6);
await item2.Then(() =>
{
0.ShouldBe(1, "Test 2 resulted in a success, which should not have happened.");
},
ex =>
{
task6Finished.ShouldBe(true);
});
}
public async Task RaceReturnsOnceAndOnFirstResolve()
{
const int delay1 = 300, delay2 = 100, delay3 = 5000;
var task1Finished = false;
var task2Finished = false;
var task3Finished = false;
var expectedException = new PromiseTestException("Perfectly acceptable exception that should exist for testing.");
var promise1 = SharpPromise.Promise.Resolve()
.Then(async() =>
{
await Task.Delay(delay1);
task1Finished = true;
});
var promise2 = SharpPromise.Promise.Resolve()
.Then(async() =>
{
await Task.Delay(delay2);
task2Finished = true;
});
var promise3 = SharpPromise.Promise.Resolve()
.Then(async() =>
{
await Task.Delay(delay3);
task3Finished = true;
throw expectedException;
});
var item = SharpPromise.Promise.Race(promise1, promise2, promise3);
await item.Then(() =>
{
task2Finished.ShouldBeTrue("Task 2 did not finish in time.");
task1Finished.ShouldBeFalse("Task 1 finished before 2");
},
ex =>
{
0.ShouldBe(1, "Test 1 resulted in the thrown exception, which should never be reached.");
});
var task4Finished = false;
var task5Finished = false;
var task6Finished = false;
var promise4 = SharpPromise.Promise.Resolve()
.Then(async() =>
{
await Task.Delay(delay1);
task4Finished = true;
});
var promise5 = SharpPromise.Promise.Resolve()
.Then(async() =>
{
await Task.Delay(delay3);
task5Finished = true;
});
var promise6 = SharpPromise.Promise.Resolve()
.Then(async() =>
{
await Task.Delay(delay2);
task6Finished = true;
throw expectedException;
});
var item2 = SharpPromise.Promise.Race(promise4, promise5, promise6);
await item2.Then(() =>
{
0.ShouldBe(1, "Test 2 resulted in an accepted state, which should never be reached.");
},
ex =>
{
task6Finished.ShouldBeTrue("Task 6 did not finish in time.");
});
}