public void InvokeCommandAgainstReactiveCommandInTargetRespectsCanExecuteWindow()
{
var executed = false;
var canExecute = new BehaviorSubject<bool>(false);
var fixture = new ReactiveCommandHolder();
var source = new Subject<int>();
source.InvokeCommand(fixture, x => x.TheCommand);
fixture.TheCommand = ReactiveCommand.Create<int>(_ => executed = true, canExecute);
source.OnNext(0);
Assert.False(executed);
// The execution window re-opens, but the above execution request should not be instigated because
// it occurred when the window was closed. Execution requests do not queue up when the window is closed.
canExecute.OnNext(true);
Assert.False(executed);
}
public void InvokeCommandAgainstReactiveCommandInTargetPassesTheSpecifiedValueToExecute()
{
var executeReceived = 0;
var fixture = new ReactiveCommandHolder();
var source = new Subject<int>();
source.InvokeCommand(fixture, x => x.TheCommand);
fixture.TheCommand = ReactiveCommand.Create<int>(x => executeReceived = x);
source.OnNext(42);
Assert.Equal(42, executeReceived);
}
public void InvokeCommandAgainstReactiveCommandInTargetRespectsCanExecute()
{
var executed = false;
var canExecute = new BehaviorSubject<bool>(false);
var fixture = new ReactiveCommandHolder();
var source = new Subject<int>();
source.InvokeCommand(fixture, x => x.TheCommand);
fixture.TheCommand = ReactiveCommand.Create<int>(_ => executed = true, canExecute);
source.OnNext(0);
Assert.False(executed);
canExecute.OnNext(true);
source.OnNext(0);
Assert.True(executed);
}
public void InvokeCommandAgainstReactiveCommandInTargetInvokesTheCommand()
{
var executionCount = 0;
var fixture = new ReactiveCommandHolder();
var source = new Subject<int>();
source.InvokeCommand(fixture, x => x.TheCommand);
fixture.TheCommand = ReactiveCommand.Create<int>(_ => { ++executionCount; });
source.OnNext(0);
Assert.Equal(1, executionCount);
source.OnNext(0);
Assert.Equal(2, executionCount);
}
