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using System;
using System.Threading.Tasks;
using System.Threading;
namespace TestSuite
{
class TestEoPromises
{
public static void test_simple_task_run()
{
efl.ILoop loop = efl.App.GetLoopMain();
eina.Future future = loop.Idle();
bool callbackCalled = false;
int ret_code = 1992;
future.Then((eina.Value value) => {
callbackCalled = true;
eina.Value v = new eina.Value(eina.ValueType.Int32);
v.Set(ret_code);
loop.Quit(v);
return value;
});
eina.Value ret_value = loop.Begin();
Test.Assert(callbackCalled, "Future loop callback must have been called.");
Test.AssertEquals(ret_value.GetValueType(), eina.ValueType.Int32);
int ret_from_value;
Test.Assert(ret_value.Get(out ret_from_value));
Test.AssertEquals(ret_from_value, ret_code);
}
public static void test_object_promise()
{
efl.ILoop loop = efl.App.GetLoopMain();
test.Testing obj = new test.Testing();
eina.Future future = obj.GetFuture();
bool callbackCalled = false;
int receivedValue = -1;
int sentValue = 1984;
future.Then((eina.Value value) => {
callbackCalled = true;
Test.AssertEquals(value.GetValueType(), eina.ValueType.Int32);
value.Get(out receivedValue);
return value;
});
obj.FulfillPromise(sentValue);
loop.Iterate();
Test.Assert(callbackCalled, "Future callback must have been called.");
Test.AssertEquals(receivedValue, sentValue);
}
public static void test_object_promise_cancel()
{
efl.ILoop loop = efl.App.GetLoopMain();
test.Testing obj = new test.Testing();
eina.Future future = obj.GetFuture();
bool callbackCalled = false;
eina.Error receivedError = -1;
eina.Error sentError = 120;
future.Then((eina.Value value) => {
callbackCalled = true;
Test.AssertEquals(value.GetValueType(), eina.ValueType.Error);
value.Get(out receivedError);
return value;
});
obj.RejectPromise(sentError);
loop.Iterate();
Test.Assert(callbackCalled, "Future callback must have been called.");
Test.AssertEquals(receivedError, sentError);
}
}
class LoopConsumer
{
public static async Task Consume(efl.ILoop loop)
{
Task<eina.Value> task = loop.IdleAsync();
eina.Value v = await task;
loop.Quit(v);
}
}
class TestLoopEoAsyncMethods
{
public static void test_simple_async()
{
efl.ILoop loop = efl.App.GetLoopMain();
Task t = LoopConsumer.Consume(loop);
loop.Begin();
Test.Assert(t.Wait(1000), "Task should have been completed in time.");
}
}
class TestEoAsyncMethods
{
public static void test_async_fulfill()
{
efl.ILoop loop = efl.App.GetLoopMain();
test.ITesting obj = new test.Testing();
Task<eina.Value> task = obj.GetFutureAsync();
int sentValue = 1337;
obj.FulfillPromise(sentValue);
loop.Iterate();
eina.Value v = task.Result;
Test.AssertEquals(v.GetValueType(), eina.ValueType.Int32);
int receivedValue;
v.Get(out receivedValue);
Test.AssertEquals(receivedValue, sentValue);
}
public static void test_async_cancel()
{
efl.ILoop loop = efl.App.GetLoopMain();
test.ITesting obj = new test.Testing();
CancellationTokenSource cancelSrc = new CancellationTokenSource();
Task<eina.Value> task = obj.GetFutureAsync(cancelSrc.Token);
cancelSrc.Cancel();
loop.Iterate();
bool raised = false;
try
{
eina.Value v = task.Result;
}
catch (AggregateException ae)
{
raised = true;
ae.Handle((x) =>
{
Test.Assert(x is TaskCanceledException, "AggregateException must have been TaskCanceledException");
return true;
});
}
Test.Assert(raised, "AggregateException must have been raised.");
}
public static void test_async_reject()
{
efl.ILoop loop = efl.App.GetLoopMain();
test.ITesting obj = new test.Testing();
Task<eina.Value> task = obj.GetFutureAsync();
eina.Error sentError = 1337;
obj.RejectPromise(sentError);
loop.Iterate();
bool raised = false;
try
{
eina.Value v = task.Result;
}
catch (AggregateException ae)
{
raised = true;
ae.Handle((x) =>
{
Test.Assert(x is efl.FutureException, "AggregateException must have been TaskCanceledException");
efl.FutureException ex = x as efl.FutureException;
Test.AssertEquals(ex.Error, sentError);
return true;
});
}
Test.Assert(raised, "AggregateException must have been raised.");
}
}
}
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