public void DefaultConstructor_CreatesNewInstance()
{
// Call
using (var cell = new DataGridViewColorCell())
{
// Assert
Assert.IsInstanceOf <DataGridViewTextBoxCell>(cell);
}
}
public void CellTemplate_WithColorCell_CellTemplateSet()
{
// Setup
using (var column = new DataGridViewColorColumn())
{
var dataGridViewCell = new DataGridViewColorCell();
// Call
column.CellTemplate = dataGridViewCell;
// Assert
Assert.AreSame(dataGridViewCell, column.CellTemplate);
}
}
public void GivenGridWithColorCell_WhenGridCellIsMadeVisibleAndUnselected_ThenOutlinedSquareOfColorDrawnAsExpected(Color expectedColor)
{
// Given
var view = new DataGridView
{
DataSource = new[]
{
new ColorRow(expectedColor)
}
};
using (var cell = new DataGridViewColorCell())
{
view.Columns.Add(new DataGridViewColorColumn
{
CellTemplate = cell,
DataPropertyName = nameof(ColorRow.Color)
});
// When
WindowsFormsTestHelper.ShowModal(
view,
f =>
{
view.ClearSelection();
// Then
Rectangle cellDisplayRectangle = view.GetCellDisplayRectangle(0, 0, false);
using (var viewDrawCanvas = new Bitmap(view.Width, view.Height))
using (Bitmap expectedImage = CreateExpectedImage(cellDisplayRectangle, expectedColor, view.GridColor))
{
view.DrawToBitmap(viewDrawCanvas, new Rectangle(0, 0, view.Width, view.Height));
using (Bitmap actualImage = viewDrawCanvas.Clone(cellDisplayRectangle, viewDrawCanvas.PixelFormat))
{
TestHelper.AssertImagesAreEqual(expectedImage, actualImage);
}
}
});
}
}
