public void TestCreate_CreatesNewTask()
{
Func <object, string> f = o => "new result";
Task <object> inputTask = Task.FromResult(new object());
AsyncProperty <string> result = AsyncProperty.Create(inputTask, f);
Assert.AreNotEqual(inputTask, result.ActualTask);
}
public async Task TestCreate_SetsResultantValue()
{
const string expectedResult = "Expected Result";
AsyncProperty <string> result = AsyncProperty.Create(
Task.FromResult(new object()),
o => expectedResult);
await result.SafeTask;
Assert.AreEqual(expectedResult, result.Value);
}
public UserAccountViewModel(IUserAccount userAccount)
{
UserAccount = userAccount;
AccountName = userAccount.AccountName;
Task <Person> personTask;
try
{
IDataSourceFactory dataSourceFactory = DataSourceFactory.Default;
IGPlusDataSource dataSource = dataSourceFactory.CreatePlusDataSource(userAccount.GetGoogleCredential());
personTask = dataSource.GetProfileAsync();
}
catch (Exception)
{
personTask = Task.FromResult <Person>(null);
}
// TODO: Show the default image while it is being loaded.
ProfilePictureAsync = AsyncProperty.Create(personTask, x => x?.Image.Url);
NameAsync = AsyncProperty.Create(personTask, x => x?.DisplayName, Resources.UiLoadingMessage);
}
