public void BindingTargetShouldUseDelegateIsEnabledProperty()
{
bool isEnabled = false;
IAttachedBindingMemberInfo <object, bool> member =
AttachedBindingMember.CreateMember <object, bool>(AttachedMemberConstants.Enabled,
(info, o) => isEnabled,
(info, o, v) => isEnabled = v);
var memberProvider = new BindingMemberProvider();
memberProvider.Register(typeof(object), member, false);
BindingServiceProvider.MemberProvider = memberProvider;
var mock = new ObserverMock {
PathMembers = new BindingPathMembersMock(new object(), BindingPath.Empty)
};
var bindingTarget = (BindingTarget)CreateBindingSource(mock);
bindingTarget.IsEnabled.ShouldBeFalse();
bindingTarget.IsEnabled = true;
isEnabled.ShouldBeTrue();
bindingTarget.IsEnabled.ShouldBeTrue();
bindingTarget.IsEnabled = false;
isEnabled.ShouldBeFalse();
bindingTarget.IsEnabled.ShouldBeFalse();
}
public void AccessorShouldToggleEnabledFalse()
{
bool canExecute = false;
bool isInvoked = false;
var parameter = new object();
var command = new RelayCommand(o => { }, o =>
{
o.ShouldEqual(parameter);
isInvoked = true;
return(canExecute);
}, this);
bool isEnabled = true;
IAttachedBindingMemberInfo <object, bool> member =
AttachedBindingMember.CreateMember <object, bool>(AttachedMemberConstants.Enabled,
(info, o) => isEnabled,
(info, o, v) => isEnabled = v);
var memberProvider = new BindingMemberProvider();
memberProvider.Register(typeof(object), member, false);
BindingServiceProvider.MemberProvider = memberProvider;
var srcAccessor = new BindingSourceAccessorMock();
var source = new BindingSourceModel();
var accessor = GetAccessor(source, BindingSourceModel.EventName, new DataContext(BindingBuilderConstants.ToggleEnabledState.ToValue(false)), false, d => parameter);
srcAccessor.GetValue = (info, context, arg3) => command;
isEnabled.ShouldBeTrue();
accessor.SetValue(srcAccessor, EmptyContext, true);
isInvoked.ShouldBeFalse();
isEnabled.ShouldBeTrue();
isInvoked = false;
canExecute = true;
command.RaiseCanExecuteChanged();
isInvoked.ShouldBeFalse();
isEnabled.ShouldBeTrue();
}
public void BindingTargetShouldUseDelegateIsEnabledProperty()
{
bool isEnabled = false;
IAttachedBindingMemberInfo<object, bool> member =
AttachedBindingMember.CreateMember<object, bool>(AttachedMemberConstants.Enabled,
(info, o) => isEnabled,
(info, o, v) => isEnabled = v);
var memberProvider = new BindingMemberProvider();
memberProvider.Register(typeof(object), member, false);
BindingServiceProvider.MemberProvider = memberProvider;
var mock = new ObserverMock { PathMembers = new BindingPathMembersMock(new object(), BindingPath.Empty) };
var bindingTarget = (BindingTarget)CreateBindingSource(mock);
bindingTarget.IsEnabled.ShouldBeFalse();
bindingTarget.IsEnabled = true;
isEnabled.ShouldBeTrue();
bindingTarget.IsEnabled.ShouldBeTrue();
bindingTarget.IsEnabled = false;
isEnabled.ShouldBeFalse();
bindingTarget.IsEnabled.ShouldBeFalse();
}
public void AccessorShouldToggleEnabledFalse()
{
bool canExecute = false;
bool isInvoked = false;
var parameter = new object();
var command = new RelayCommand(o => { }, o =>
{
o.ShouldEqual(parameter);
isInvoked = true;
return canExecute;
}, this);
bool isEnabled = true;
IAttachedBindingMemberInfo<object, bool> member =
AttachedBindingMember.CreateMember<object, bool>(AttachedMemberConstants.Enabled,
(info, o) => isEnabled,
(info, o, v) => isEnabled = v);
var memberProvider = new BindingMemberProvider();
memberProvider.Register(typeof(object), member, false);
BindingServiceProvider.MemberProvider = memberProvider;
var srcAccessor = new BindingSourceAccessorMock();
var source = new BindingSourceModel();
var accessor = GetAccessor(source, BindingSourceModel.EventName, new DataContext(BindingBuilderConstants.ToggleEnabledState.ToValue(false)), false, d => parameter);
srcAccessor.GetValue = (info, context, arg3) => command;
isEnabled.ShouldBeTrue();
accessor.SetValue(srcAccessor, EmptyContext, true);
isInvoked.ShouldBeFalse();
isEnabled.ShouldBeTrue();
isInvoked = false;
canExecute = true;
command.RaiseCanExecuteChanged();
isInvoked.ShouldBeFalse();
isEnabled.ShouldBeTrue();
}
public BindingMemberProviderEx([NotNull] BindingMemberProvider provider)
: base(provider)
{
}