public void NotifyPropertyChangedIsImplementedCorrectly()
{
// Arrange
var vm = new ColumnTypeSelectionDialogViewModel();
var tester = new PropertyChangedTester(vm);
// Act
tester.Test();
// Assert
tester.Verify();
}
public void OnlyPredefinedColumnsAreShown()
{
// Arrange
var vm = new ColumnTypeSelectionDialogViewModel();
// Act
var types = vm.AvailableColumnTypes.Select(c => c.Content.Type).ToArray();
// Assert
var expected = new[] { ColumnType.Mentions, ColumnType.Timeline, ColumnType.Messages };
CollectionAssert.AreEquivalent(expected, types);
}
public void SelectAllTogglesAllTypes()
{
// Arrange
var vm = new ColumnTypeSelectionDialogViewModel();
// Act
bool before = vm.AvailableColumnTypes.All(c => c.IsSelected);
vm.SelectAll = false;
bool none = vm.AvailableColumnTypes.All(c => c.IsSelected);
vm.SelectAll = true;
bool all = vm.AvailableColumnTypes.All(c => c.IsSelected);
// Assert
Assert.IsTrue(before);
Assert.IsFalse(none);
Assert.IsTrue(all);
}
public void DeselectingSingleTypeTogglesSelectAll()
{
// Arrange
var vm = new ColumnTypeSelectionDialogViewModel();
// Act
vm.AvailableColumnTypes.First().IsSelected = false;
bool deselected = vm.SelectAll;
bool other = vm.AvailableColumnTypes.Skip(1).All(c => c.IsSelected);
vm.AvailableColumnTypes.First().IsSelected = true;
bool selected = vm.SelectAll;
// Assert
Assert.IsFalse(deselected);
Assert.IsTrue(other);
Assert.IsTrue(selected);
}
