14_toolStripSplitButton = new();

17public void Dispose() => _toolStripSplitButton.Dispose(); 29_toolStripSplitButton.DefaultItem = value; 30_toolStripSplitButton.DefaultItem.Should().Be(value); 39sender.Should().Be(_toolStripSplitButton); 43_toolStripSplitButton.DefaultItemChanged += handler; 47_toolStripSplitButton.DefaultItem = item1; 48_toolStripSplitButton.DefaultItem.Should().Be(item1); 52_toolStripSplitButton.DefaultItem = item1; 53_toolStripSplitButton.DefaultItem.Should().Be(item1); 58_toolStripSplitButton.DefaultItem = item2; 59_toolStripSplitButton.DefaultItem.Should().Be(item2); 63_toolStripSplitButton.DefaultItem = null; 64_toolStripSplitButton.DefaultItem.Should().BeNull(); 68_toolStripSplitButton.DefaultItemChanged -= handler; 69_toolStripSplitButton.DefaultItem = item1; 70_toolStripSplitButton.DefaultItem.Should().Be(item1); 79_toolStripSplitButton.Text.Should().BeEmpty(); 80_toolStripSplitButton.Image.Should().BeNull(); 90_toolStripSplitButton.Image.Should().BeNull(); 169_toolStripSplitButton.AutoToolTip.Should().BeTrue(); 176_toolStripSplitButton.AutoToolTip.Should().BeTrue(); 178_toolStripSplitButton.AutoToolTip = value; 179_toolStripSplitButton.AutoToolTip.Should().Be(value); 181_toolStripSplitButton.AutoToolTip = !value; 182_toolStripSplitButton.AutoToolTip.Should().Be(!value); 188_toolStripSplitButton.ButtonBounds.Should().Be(_toolStripSplitButton.TestAccessor().Dynamic.SplitButtonButton.Bounds); 194_toolStripSplitButton.ButtonPressed.Should().Be(_toolStripSplitButton.TestAccessor().Dynamic.SplitButtonButton.Pressed); 200_toolStripSplitButton.ButtonSelected.Should().Be(_toolStripSplitButton.TestAccessor().Dynamic.SplitButtonButton.Selected); 213_toolStripSplitButton.ButtonClick += handler; 215_toolStripSplitButton.PerformButtonClick(); 230_toolStripSplitButton.ButtonClick += handler; 232_toolStripSplitButton.PerformButtonClick(); 233_toolStripSplitButton.PerformButtonClick(); 248_toolStripSplitButton.ButtonClick += handler; 249_toolStripSplitButton.PerformButtonClick(); 250_toolStripSplitButton.ButtonClick -= handler; 251_toolStripSplitButton.PerformButtonClick(); 260_toolStripSplitButton.ButtonDoubleClick += (sender, e) => eventTriggered = true; 262_toolStripSplitButton.OnButtonDoubleClick(EventArgs.Empty); 271_toolStripSplitButton.ButtonDoubleClick += (sender, e) => callCount++; 273_toolStripSplitButton.OnButtonDoubleClick(EventArgs.Empty); 274_toolStripSplitButton.OnButtonDoubleClick(EventArgs.Empty); 284_toolStripSplitButton.ButtonDoubleClick += handler; 285_toolStripSplitButton.ButtonDoubleClick -= handler; 287_toolStripSplitButton.OnButtonDoubleClick(EventArgs.Empty); 295_toolStripSplitButton.DropDownButtonArea.Should().Be(_toolStripSplitButton.DropDownButtonBounds); 301_toolStripSplitButton.DropDownButtonSelected.Should().BeFalse(); 307_toolStripSplitButton.Select(); 308_toolStripSplitButton.DropDownButtonSelected.Should().BeTrue(); 317_toolStripSplitButton.DropDownButtonWidth = value; 318_toolStripSplitButton.DropDownButtonWidth.Should().Be(value); 324Action action = () => _toolStripSplitButton.DropDownButtonWidth = -1; 331_toolStripSplitButton.SplitterBounds.Should().Be(Rectangle.Empty); 338_toolStripSplitButton.ButtonClick += (sender, e) => eventTriggered = true; 340_toolStripSplitButton.TestAccessor().Dynamic.OnButtonClick(EventArgs.Empty); 351_toolStripSplitButton.DefaultItem = defaultItem; 353_toolStripSplitButton.TestAccessor().Dynamic.OnButtonClick(EventArgs.Empty); 362_toolStripSplitButton.ButtonDoubleClick += (sender, e) => eventTriggered = true; 364_toolStripSplitButton.OnButtonDoubleClick(EventArgs.Empty); 375_toolStripSplitButton.DefaultItem = defaultItem; 377_toolStripSplitButton.OnButtonDoubleClick(EventArgs.Empty); 386_toolStripSplitButton.ButtonClick += (sender, e) => eventTriggered = true; 388_toolStripSplitButton.PerformButtonClick(); 399_toolStripSplitButton.DefaultItem = defaultItem; 401_toolStripSplitButton.PerformButtonClick(); 411_toolStripSplitButton.DropDownButtonWidth = initialWidth; 413_toolStripSplitButton.ResetDropDownButtonWidth(); 415_toolStripSplitButton.DropDownButtonWidth.Should().Be(_toolStripSplitButton.TestAccessor().Dynamic.DefaultDropDownWidth); 421_toolStripSplitButton.DropDownButtonWidth = 20; 423_toolStripSplitButton.ShouldSerializeDropDownButtonWidth().Should().BeTrue(); 429_toolStripSplitButton.DropDownButtonWidth = 11; 431_toolStripSplitButton.ShouldSerializeDropDownButtonWidth().Should().BeFalse();