public void ScrollableControl_OnLayout_Invoke_CallsLayout(LayoutEventArgs eventArgs)
{
var control = new SubScrollableControl();
int callCount = 0;
LayoutEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Layout += handler;
control.OnLayout(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Layout -= handler;
control.OnLayout(eventArgs);
Assert.Equal(1, callCount);
}
public void ScrollableControl_OnPaddingChanged_Invoke_CallsHandler()
{
var control = new SubScrollableControl();
var eventArgs = new EventArgs();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.PaddingChanged += handler;
control.OnPaddingChanged(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.PaddingChanged -= handler;
control.OnPaddingChanged(eventArgs);
Assert.Equal(1, callCount);
}
public void ScrollableControl_OnScroll_Invoke_CallsHandler()
{
var control = new SubScrollableControl();
var eventArgs = new ScrollEventArgs(ScrollEventType.First, 0);
int callCount = 0;
ScrollEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Scroll += handler;
control.OnScroll(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Scroll -= handler;
control.OnScroll(eventArgs);
Assert.Equal(1, callCount);
}
public void ScrollableControl_OnPaddingChanged_Invoke_Success()
{
var control = new SubScrollableControl();
// No handler.
control.OnPaddingChangedEntry(null);
// Handler.
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Equal(control, sender);
callCount++;
};
control.PaddingChanged += handler;
control.OnPaddingChangedEntry(null);
Assert.Equal(1, callCount);
// Should not call if the handler is removed.
control.PaddingChanged -= handler;
control.OnPaddingChangedEntry(null);
Assert.Equal(1, callCount);
}
public void SetDisplayRectLocation_InvokeWithoutHandle_Success(bool autoScroll, int x, int y, Rectangle expectedDisplayRectangle, Rectangle expectedBounds)
{
var control = new SubScrollableControl
{
AutoScroll = autoScroll,
ClientSize = new Size(70, 80)
};
// Without child.
control.SetDisplayRectLocation(x, y);
Assert.Equal(new Rectangle(0, 0, 70, 80), control.DisplayRectangle);
Assert.Equal(Point.Empty, control.AutoScrollPosition);
// With child.
var child = new LargeControl();
control.Controls.Add(child);
Assert.Equal(new Rectangle(0, 0, 100, 150), child.Bounds);
control.SetDisplayRectLocation(x, y);
Assert.Equal(expectedDisplayRectangle, control.DisplayRectangle);
Assert.Equal(expectedDisplayRectangle.Location, control.AutoScrollPosition);
Assert.Equal(expectedBounds, child.Bounds);
}
public void ScrollableControl_AdjustFormScrollbars_Invoke_Success(SubScrollableControl control, bool displayScrollbars, bool expectedHScroll, bool expectedVScroll)
{
control.AdjustFormScrollbars(displayScrollbars);
Assert.Equal(expectedHScroll, control.HScroll);
Assert.Equal(expectedVScroll, control.VScroll);
}
public void ScrollableControl_Ctor_Default()
{
using var control = new SubScrollableControl();
Assert.False(control.AllowDrop);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
Assert.False(control.AutoScroll);
Assert.Equal(Size.Empty, control.AutoScrollMargin);
Assert.Equal(Size.Empty, control.AutoScrollMinSize);
Assert.Equal(Point.Empty, control.AutoScrollPosition);
Assert.False(control.AutoSize);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(0, control.Bottom);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.True(control.CanEnableIme);
Assert.True(control.CanRaiseEvents);
Assert.True(control.CausesValidation);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Null(control.Container);
Assert.Null(control.ContextMenu);
Assert.Null(control.ContextMenuStrip);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.Default, control.Cursor);
Assert.Same(Cursors.Default, control.DefaultCursor);
Assert.Equal(ImeMode.Inherit, control.DefaultImeMode);
Assert.Equal(new Padding(3), control.DefaultMargin);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(Size.Empty, control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.NotNull(control.DockPadding);
Assert.Same(control.DockPadding, control.DockPadding);
Assert.Equal(0, control.DockPadding.Top);
Assert.Equal(0, control.DockPadding.Bottom);
Assert.Equal(0, control.DockPadding.Left);
Assert.Equal(0, control.DockPadding.Right);
Assert.False(control.DoubleBuffered);
Assert.True(control.Enabled);
Assert.NotNull(control.Events);
Assert.Same(control.Events, control.Events);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(0, control.Height);
Assert.NotNull(control.HorizontalScroll);
Assert.Same(control.HorizontalScroll, control.HorizontalScroll);
Assert.False(control.HScroll);
Assert.Equal(ImeMode.NoControl, control.ImeMode);
Assert.Equal(ImeMode.NoControl, control.ImeModeBase);
Assert.Equal(0, control.Left);
Assert.Equal(Point.Empty, control.Location);
Assert.Equal(new Padding(3), control.Margin);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(Size.Empty, control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(0, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.Null(control.Site);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, control.TabIndex);
Assert.True(control.TabStop);
Assert.Empty(control.Text);
Assert.Equal(0, control.Top);
Assert.True(control.Visible);
Assert.NotNull(control.VerticalScroll);
Assert.Same(control.VerticalScroll, control.VerticalScroll);
Assert.False(control.VScroll);
Assert.Equal(0, control.Width);
Assert.False(control.IsHandleCreated);
}
public void ScrollableControl_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using var control = new SubScrollableControl();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}