When_Awaiting_Running_Task_And_Using_SynchronizationContext_Then_Continuation_Run_In_Synchronization_Context()
{
var mockSynchronizationContext = new MockSynchronizationContext();
using (var contextScope = new ScopedSynchronizationContext(mockSynchronizationContext))
{
When_Awaiting_Running_Task_And_Using_SynchronizationContext_Then_Continuation_Run_In_Synchronization_Context_impl(
mockSynchronizationContext).Wait();
}
}
When_Awaiting_Already_Completed_Task_And_Using_SynchronizationContext_Then_Continuation_Does_Not_Run_In_SynchronizationContext()
{
var mockSynchronizationContext = new MockSynchronizationContext();
using (var contextScope = new ScopedSynchronizationContext(mockSynchronizationContext))
{
When_Awaiting_Already_Completed_Task_And_Using_SynchronizationContext_Then_Synchronization_Context_Is_Not_Used_Impl(
mockSynchronizationContext).Wait();
}
}
When_Awaiting_Many_Running_Tasks_And_Using_Using_CurrentThread_SynchronizationContext_Then_Only_First_Continuation_Run_In_Synchronization_Context(int numberOfAwaitedTasks)
{
var mockSynchronizationContext = new MockSynchronizationContext();
using (var contextScope = new ScopedSynchronizationContext(mockSynchronizationContext))
{
When_Awaiting_Many_Running_Tasks_And_Using_CurrentThread_SynchronizationContext_Then_Only_First_Continuation_Run_In_Synchronization_Context(
numberOfAwaitedTasks,
mockSynchronizationContext).Wait();
}
}
Task When_Awaiting_Many_Running_Tasks_And_Using_CurrentThread_SynchronizationContext_Then_Only_First_Continuation_Run_In_Synchronization_Context(
int numberOfTasks,
MockSynchronizationContext mockSynchronizationContext)
{
const int EXPECTED_SYNCHRONIZATION_CONTEXT_CALLS = 1;
for (int i = 0; i < numberOfTasks; i++)
{
await runningTaskCommon();
}
var totalCallsInSynchronizationContext = mockSynchronizationContext.TotalCalls;
Assert.That(totalCallsInSynchronizationContext, Is.EqualTo(EXPECTED_SYNCHRONIZATION_CONTEXT_CALLS));
}
private async Task When_Awaiting_Already_Completed_Task_And_Using_SynchronizationContext_Then_Synchronization_Context_Is_Not_Used_Impl(MockSynchronizationContext mockSynchronizationContext)
{
const int SYNCH_CONTEXT_NOT_USED = 0;
var task = getcompletedTask();
await task;
Assert.That(mockSynchronizationContext.TotalCalls, Is.EqualTo(SYNCH_CONTEXT_NOT_USED));
}
private async Task When_Awaiting_Running_Task_And_Using_SynchronizationContext_Then_Continuation_Run_In_Synchronization_Context_impl(MockSynchronizationContext mockSynchronizationContext)
{
const int EXPECTED_SYNCHRONIZATION_CONTEXT_CALLS = 1;
await runningTaskCommon();
var totalCallsInSynchronizationContext = mockSynchronizationContext.TotalCalls;
Assert.That(totalCallsInSynchronizationContext, Is.EqualTo(EXPECTED_SYNCHRONIZATION_CONTEXT_CALLS));
}