public void TestApplyDelete()
{
var p = ReadWkt <Polygon>("POLYGON((0 0, 1 1, 2 2, 0 0), (3 3, 4 4, 5 5, 3 3))");
var diff = new PolygonDiff()
{
Operation = Operation.Delete,
Index = 0,
Value = new List <RingDiff>()
{
new RingDiff()
{
Index = 0, Operation = Operation.Noop, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 0, Y = 0
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 1, Y = 1
}
},
new PointDiff()
{
Index = 2, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 2, Y = 2
}
},
new PointDiff()
{
Index = 3, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 0, Y = 0
}
},
}
},
new RingDiff()
{
Index = 1, Operation = Operation.Noop, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 4, Y = 4
}
},
new PointDiff()
{
Index = 2, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 5, Y = 5
}
},
new PointDiff()
{
Index = 3, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
},
}
},
}
};
var n = diff.Apply(p);
Assert.IsNull(n);
}
public void TestApplyCreate()
{
Polygon p = null;
var diff = new PolygonDiff()
{
Operation = Operation.Insert,
Index = 0,
Value = new List <RingDiff>()
{
new RingDiff()
{
Index = 0, Operation = Operation.Insert, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 0, Y = 0
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 1, Y = 1
}
},
new PointDiff()
{
Index = 2, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 2, Y = 2
}
},
new PointDiff()
{
Index = 3, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 0, Y = 0
}
},
}
},
new RingDiff()
{
Index = 1, Operation = Operation.Insert, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 4, Y = 4
}
},
new PointDiff()
{
Index = 2, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 5, Y = 5
}
},
new PointDiff()
{
Index = 3, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
},
}
},
}
};
var n = diff.Apply(p);
var p2 = ReadWkt <Polygon>("POLYGON((0 0, 1 1, 2 2, 0 0), (3 3, 4 4, 5 5, 3 3))");
Assert.AreEqual(WriteWkt(p2), WriteWkt(n));
}
public void TestApplyModify()
{
var p = ReadWkt <Polygon>("POLYGON((0 0, 1 1, 2 2, 0 0), (3 3, 4 4, 5 5, 3 3), (5 5, 6 6, 7 7, 5 5))");
var diff = new PolygonDiff()
{
Operation = Operation.Modify,
Index = 0,
Value = new List <RingDiff>()
{
new RingDiff()
{
Index = 0, Operation = Operation.Modify, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 1, Operation = Operation.Modify, Value = new CoordinateDelta()
{
X = -0.5, Y = -0.5
}
}
}
},
new RingDiff()
{
Index = 1, Operation = Operation.Delete, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 4, Y = 4
}
},
new PointDiff()
{
Index = 2, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 5, Y = 5
}
},
new PointDiff()
{
Index = 3, Operation = Operation.Noop, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
},
}
},
new RingDiff()
{
Index = 3, Operation = Operation.Insert, Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 7, Y = 7
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 8, Y = 8
}
},
new PointDiff()
{
Index = 2, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 10, Y = 10
}
},
new PointDiff()
{
Index = 3, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 7, Y = 7
}
}
}
}
}
};
var n = (Polygon)diff.Apply(p);
Assert.NotNull(n.Shell);
Assert.AreEqual(2, n.Holes.Length);
var p2 = ReadWkt <Polygon>("POLYGON((0 0, 0.5 0.5, 2 2, 0 0), (5 5, 6 6, 7 7, 5 5), (7 7, 8 8, 10 10, 7 7))");
Assert.AreEqual(WriteWkt(p2), WriteWkt(n));
}