public async Task ShouldSetEnabledToFalseAsynchronous()
{
bool[] canExecute = { true };
var command = new AsyncActionCommand <int>(
o => Task.CompletedTask,
async o =>
{
await Task.Yield();
return(canExecute[0]);
});
await command.RefreshAsync();
Assert.IsTrue(command.Enabled);
canExecute[0] = false;
await command.RefreshAsync();
Assert.IsFalse(command.Enabled);
}
public async Task ShouldRaiseCanExecuteChangedAsynchronous()
{
bool canExecuteCalled = false;
var command = new AsyncActionCommand(o => Task.FromResult((object)null),
o =>
{
canExecuteCalled = true;
return(Task.FromResult(true));
});
await command.RefreshAsync();
Assert.IsTrue(canExecuteCalled);
}