public void ComboBoxItemAccessibleObject_Bounds_ReturnsCorrect_ForDifferentHeightItems(ComboBoxStyle comboBoxStyle, int itemIndex, Rectangle expectedRect)
{
using DifferentHeightComboBox comboBox = new DifferentHeightComboBox();
comboBox.DropDownStyle = comboBoxStyle;
comboBox.Items.AddRange(new[] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" });
comboBox.CreateControl();
if (comboBoxStyle == ComboBoxStyle.Simple)
{
comboBox.Size = new Size(100, 400);
}
else
{
comboBox.Size = new Size(100, comboBox.Size.Height);
comboBox.DropDownHeight = 400;
comboBox.DroppedDown = true;
}
ComboBoxAccessibleObject comboBoxAccessibleObject = (ComboBoxAccessibleObject)comboBox.AccessibilityObject;
ComboBoxItemAccessibleObjectCollection itemsCollection = comboBoxAccessibleObject.ItemAccessibleObjects;
Entry itemEntry = comboBox.Items.InnerList[itemIndex];
ComboBoxItemAccessibleObject itemAccessibleObject = itemsCollection.GetComboBoxItemAccessibleObject(itemEntry);
Rectangle actual = itemAccessibleObject.Bounds;
Rectangle dropdownRect = comboBox.ChildListAccessibleObject.Bounds;
Assert.Equal(expectedRect, actual);
}
public static IEnumerable <object[]> ComboBoxItemAccessibleObject_Bounds_ReturnsCorrect_ForDifferentHeightItems_TestData()
{
foreach (ComboBoxStyle comboBoxStyle in Enum.GetValues(typeof(ComboBoxStyle)))
{
// The tested combobox contains 11 items
for (int index = 0; index < 11; index++)
{
int height = DifferentHeightComboBox.GetCustomItemHeight(index);
// We get items rectangles from Windows
// It returns to us different expected bounds values depending on a combobox drop-down style
int width = comboBoxStyle == ComboBoxStyle.Simple ? 96 : 81;
int x = comboBoxStyle == ComboBoxStyle.Simple ? 10 : 9;
int y = comboBoxStyle == ComboBoxStyle.Simple ? 57 : 56;
for (int i = 0; i < index; i++)
{
y += DifferentHeightComboBox.GetCustomItemHeight(i); // Calculate the sum of heights of all items before the current
}
yield return(new object[] { comboBoxStyle, index, new Rectangle(x, y, width, height) });
}
}
}
