public void CtrlBackspaceTextChanged(string value, string expected, int cursorRelativeToEnd)
{
SubComboBox control = CreateControlForCtrlBackspace(value, cursorRelativeToEnd);
SendCtrlBackspace(control);
Assert.Equal(expected, control.Text);
}
public void CtrlBackspaceTextRemainsEmpty()
{
SubComboBox control = CreateControlForCtrlBackspace();
SendCtrlBackspace(control);
Assert.Equal("", control.Text);
}
public void CtrlBackspaceDeletesSelection()
{
SubComboBox control = CreateControlForCtrlBackspace("123-5-7-9");
control.SelectionStart = 2;
control.SelectionLength = 5;
SendCtrlBackspace(control);
Assert.Equal("12-9", control.Text);
}
public void CtrlBackspaceRepeatedTextChanged(string value, string expected, int repeats)
{
SubComboBox control = CreateControlForCtrlBackspace(value);
for (int i = 0; i < repeats; i++)
{
SendCtrlBackspace(control);
}
Assert.Equal(expected, control.Text);
}
private void clear()
{
numStudTextBox.Clear();
lecNaComboBox.ResetText();
AssNameComboBox.ResetText();
groupComboBox.ResetText();
SubComboBox.ResetText();
ducomBox1.ResetText();
typecomboBox1.ResetText();
}
private SubComboBox CreateControlForCtrlBackspace(string text = "", int cursorRelativeToEnd = 0)
{
var tb = new SubComboBox();
tb.Text = text;
tb.Focus();
tb.SelectionStart = tb.Text.Length + cursorRelativeToEnd;
tb.SelectionLength = 0;
return(tb);
}
public void Font_Set_GetReturnsExpected(Font value)
{
var control = new SubComboBox
{
Font = value
};
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
// Set same.
control.Font = value;
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
}
public void DataSource_Set_GetReturnsExpected(object value)
{
var control = new SubComboBox
{
DataSource = value
};
Assert.Same(value, control.DataSource);
Assert.Empty(control.DisplayMember);
Assert.Null(control.DataManager);
// Set same.
control.DataSource = value;
Assert.Same(value, control.DataSource);
Assert.Empty(control.DisplayMember);
Assert.Null(control.DataManager);
}
public void Ctor_Default()
{
var control = new SubComboBox();
Assert.True(control.AllowSelection);
Assert.Empty(control.AutoCompleteCustomSource);
Assert.Same(control.AutoCompleteCustomSource, control.AutoCompleteCustomSource);
Assert.Equal(AutoCompleteMode.None, control.AutoCompleteMode);
Assert.Equal(AutoCompleteSource.None, control.AutoCompleteSource);
Assert.Equal(SystemColors.Window, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Equal(0, control.Bounds.X);
Assert.Equal(0, control.Bounds.Y);
Assert.Equal(121, control.Bounds.Width);
Assert.True(control.Bounds.Height > 0);
Assert.True(control.ClientSize.Width > 0);
Assert.True(control.ClientSize.Height > 0);
Assert.Equal(0, control.ClientRectangle.X);
Assert.Equal(0, control.ClientRectangle.Y);
Assert.True(control.ClientRectangle.Width > 0);
Assert.True(control.ClientRectangle.Height > 0);
Assert.Null(control.DataManager);
Assert.Null(control.DataSource);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(121, control.DefaultSize.Width);
Assert.True(control.DefaultSize.Height > 0);
Assert.Empty(control.DisplayMember);
Assert.Equal(0, control.DisplayRectangle.X);
Assert.Equal(0, control.DisplayRectangle.Y);
Assert.True(control.DisplayRectangle.Width > 0);
Assert.True(control.DisplayRectangle.Height > 0);
Assert.Equal(DrawMode.Normal, control.DrawMode);
Assert.Equal(106, control.DropDownHeight);
Assert.Equal(ComboBoxStyle.DropDown, control.DropDownStyle);
Assert.Equal(121, control.DropDownWidth);
Assert.False(control.DroppedDown);
Assert.Equal(FlatStyle.Standard, control.FlatStyle);
Assert.False(control.Focused);
Assert.Null(control.FormatInfo);
Assert.Empty(control.FormatString);
Assert.False(control.FormattingEnabled);
Assert.Same(Control.DefaultFont, control.Font);
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.True(control.Height > 0);
Assert.True(control.IntegralHeight);
Assert.Equal(Control.DefaultFont.Height + 2, control.ItemHeight);
Assert.Empty(control.Items);
Assert.Same(control.Items, control.Items);
Assert.Equal(Point.Empty, control.Location);
Assert.Equal(8, control.MaxDropDownItems);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(0, control.MaxLength);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Equal(121, control.PreferredSize.Width);
Assert.True(control.PreferredSize.Height > 0);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.Null(control.SelectedValue);
Assert.Equal(-1, control.SelectedIndex);
Assert.Null(control.SelectedItem);
Assert.Empty(control.SelectedText);
Assert.Equal(121, control.Size.Width);
Assert.True(control.Size.Height > 0);
Assert.Empty(control.Text);
Assert.Equal(0, control.SelectionLength);
Assert.Equal(0, control.SelectionStart);
Assert.False(control.Sorted);
Assert.Empty(control.ValueMember);
Assert.Equal(121, control.Width);
}
private void SendCtrlBackspace(SubComboBox tb)
{
var message = new Message();
tb.ProcessCmdKey(ref message, Keys.Control | Keys.Back);
}
