public void InsertRoot(float y0, float y1, float y2, int expectedResult)
{
var execMgr = new ExecMgr();
var mockEl0 = new Mock<IElement>();
var mockEl1 = new Mock<IElement>();
var mockEl2 = new Mock<IElement>();
IList<IElement> roots = new List<IElement>();
roots.Add(mockEl0.Object);
roots.Add(mockEl1.Object);
//roots.Add(el2);
var mockSettingsMgr0 = new Mock<IElementSettingsMgr>();
var mockSettingsMgr1 = new Mock<IElementSettingsMgr>();
var mockSettingsMgr2 = new Mock<IElementSettingsMgr>();
PointF loc0 = new PointF(0f, y0);
PointF loc1 = new PointF(0f, y1);
PointF loc2 = new PointF(0f, y2);
mockEl0.Setup(m => m.Settings).Returns(mockSettingsMgr0.Object);
mockSettingsMgr0.Setup(m => m.Location).Returns(loc0);
mockEl1.Setup(m => m.Settings).Returns(mockSettingsMgr1.Object);
mockSettingsMgr1.Setup(m => m.Location).Returns(loc1);
mockEl2.Setup(m => m.Settings).Returns(mockSettingsMgr2.Object);
mockSettingsMgr2.Setup(m => m.Location).Returns(loc2);
int index = execMgr.InsertRoot(roots, mockEl2.Object);
mockEl2.VerifyAll();
mockSettingsMgr2.VerifyAll();
Assert.Equal(expectedResult, index);
IElement tmp = roots[index];
Assert.NotNull(tmp);
Assert.Same(mockEl2.Object, tmp);
}
