public void DataGridViewCellAccessibleObject_Select_TakeFocus()
{
using var dataGridView = new SubDataGridView();
dataGridView.CreateControl();
Assert.True(dataGridView.IsHandleCreated);
var mockCell = new Mock <DataGridViewCell>(MockBehavior.Strict);
mockCell
.SetupSet(s => s.State = DataGridViewElementStates.Visible)
.Verifiable();
mockCell
.Protected()
.Setup("Dispose", ItExpr.IsAny <bool>());
mockCell
.Protected()
.Setup("OnDataGridViewChanged");
var mockObj = mockCell.Object;
mockObj.DataGridView = dataGridView;
var accessibleObject = new DataGridViewCellAccessibleObject(mockObj);
// verify that we check for a flag, not direct comparison. 128 is an arbitrary large flag.
accessibleObject.Select((AccessibleSelection)128 | AccessibleSelection.TakeFocus);
// NB: some asserts are implicit - check that nothing was called on the mock that we didn't anticipate
Assert.True(dataGridView.FocusCalled);
}
public void DataGridViewColumnCollection_Add_NoDimensionChangeAllowed_ThrowsInvalidOperationException()
{
using var control = new SubDataGridView();
var collection = new DataGridViewColumnCollection(control);
int callCount = 0;
control.RowValidating += (sender, e) =>
{
var column = new DataGridViewColumn(new SubDataGridViewCell());
Assert.Throws <InvalidOperationException>(() => collection.Add(null));
Assert.Throws <InvalidOperationException>(() => collection.Add(column));
callCount++;
};
control.OnRowValidating(null);
Assert.Equal(1, callCount);
}
