public void Panel_AutoSizeMode_SetWithCustomLayoutEngineParent_GetReturnsExpected(AutoSizeMode value, int expectedLayoutCallCount)
{
using var parent = new CustomLayoutEngineControl();
using var control = new SubPanel
{
Parent = parent
};
parent.SetLayoutEngine(new SubLayoutEngine());
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentLayoutCallCount = 0;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("AutoSize", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
public void Panel_AutoSizeMode_SetWithCustomLayoutEngineParentWithHandle_GetReturnsExpected(AutoSizeMode value, int expectedLayoutCallCount)
{
using var parent = new CustomLayoutEngineControl();
using var control = new SubPanel
{
Parent = parent
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentLayoutCallCount = 0;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Same("AutoSize", e.AffectedProperty);
parentLayoutCallCount++;
};
parent.Layout += parentHandler;
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
try
{
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
