public void StretchParameter_ExpandsChildren_Vertical()
{
var container = new VarmintWidgetStackPanel()
{
Size = new Vector2(10, 100)
};
var grid1 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
var grid2 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
var grid3 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
var grid4 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
container.AddChild(grid1);
container.AddChild(grid2);
container.AddChild(grid3);
container.AddChild(grid4);
container.Prepare(null);
// starting out with no stretch
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(1, 1), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(0, 1), grid2.Offset);
Assert.AreEqual(new Vector2(0, 2), grid3.Offset);
Assert.AreEqual(new Vector2(0, 3), grid4.Offset);
// Horizontal only
grid2.Stretch = new VarmintWidget.StretchParameter("1");
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(10, 1), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(0, 1), grid2.Offset);
Assert.AreEqual(new Vector2(0, 2), grid3.Offset);
Assert.AreEqual(new Vector2(0, 3), grid4.Offset);
// Vertical only
grid2.Stretch = new VarmintWidget.StretchParameter(",1");
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(1, 97), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(0, 1), grid2.Offset);
Assert.AreEqual(new Vector2(0, 98), grid3.Offset);
Assert.AreEqual(new Vector2(0, 99), grid4.Offset);
// With Margins
grid2.Margin = new VarmintWidget.WidgetMargin("2,2");
grid2.Stretch = new VarmintWidget.StretchParameter();
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(1, 1), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(2, 3), grid2.Offset);
Assert.AreEqual(new Vector2(0, 4), grid3.Offset);
Assert.AreEqual(new Vector2(0, 5), grid4.Offset);
// Two children, Stretch both proportionally
grid2.Stretch = new VarmintWidget.StretchParameter("1,1");;
grid4.Stretch = new VarmintWidget.StretchParameter("3,3");;
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(8, 24), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(10, 72), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(2, 3), grid2.Offset);
Assert.AreEqual(new Vector2(0, 27), grid3.Offset);
Assert.AreEqual(new Vector2(0, 28), grid4.Offset);
}
public void StretchParameter_ExpandsChildren_Horizontal()
{
var container = new VarmintWidgetStackPanel()
{
Size = new Vector2(100, 10)
};
container.Orientation = Orientation.Horizontal;
var grid1 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
var grid2 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
var grid3 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
var grid4 = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
container.AddChild(grid1);
container.AddChild(grid2);
container.AddChild(grid3);
container.AddChild(grid4);
container.Prepare(null);
// starting out with no stretch
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(1, 1), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(1, 0), grid2.Offset);
Assert.AreEqual(new Vector2(2, 0), grid3.Offset);
Assert.AreEqual(new Vector2(3, 0), grid4.Offset);
// Veritcal only
grid2.Stretch = new VarmintWidget.StretchParameter(",1");
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(1, 10), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(1, 0), grid2.Offset);
Assert.AreEqual(new Vector2(2, 0), grid3.Offset);
Assert.AreEqual(new Vector2(3, 0), grid4.Offset);
// Horizontal only
grid2.Stretch = new VarmintWidget.StretchParameter("1");
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(97, 1), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(1, 0), grid2.Offset);
Assert.AreEqual(new Vector2(98, 0), grid3.Offset);
Assert.AreEqual(new Vector2(99, 0), grid4.Offset);
// With Margins
grid2.Margin = new VarmintWidget.WidgetMargin("2,2");
grid2.Stretch = new VarmintWidget.StretchParameter();
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(1, 1), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(1, 1), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(3, 2), grid2.Offset);
Assert.AreEqual(new Vector2(4, 0), grid3.Offset);
Assert.AreEqual(new Vector2(5, 0), grid4.Offset);
// Two children, Stretch both proportionally
grid2.Stretch = new VarmintWidget.StretchParameter("1,1");;
grid4.Stretch = new VarmintWidget.StretchParameter("3,3");;
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid1.Size);
Assert.AreEqual(new Vector2(24, 8), grid2.Size);
Assert.AreEqual(new Vector2(1, 1), grid3.Size);
Assert.AreEqual(new Vector2(72, 10), grid4.Size);
Assert.AreEqual(new Vector2(0, 0), grid1.Offset);
Assert.AreEqual(new Vector2(3, 2), grid2.Offset);
Assert.AreEqual(new Vector2(27, 0), grid3.Offset);
Assert.AreEqual(new Vector2(28, 0), grid4.Offset);
}