public void TestReverseDelete()
{
var diff = new MultiPointDiff()
{
Index = 0,
Operation = Operation.Delete,
Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
}
}
};
var reversed = (MultiPointDiff)diff.Reverse();
Assert.AreEqual(0, reversed.Index);
Assert.AreEqual(Operation.Insert, reversed.Operation);
}
public void TestApplyDelete()
{
var p = ReadWkt <MultiPoint>("MULTIPOINT((2 2), (3 3))");
var diff = new MultiPointDiff()
{
Index = 0,
Operation = Operation.Delete,
Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
}
}
};
var n = diff.Apply(p);
Assert.IsNull(n);
}
public void TestApplyCreate()
{
MultiPoint p = null;
var diff = new MultiPointDiff()
{
Index = 0,
Operation = Operation.Insert,
Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
}
}
};
var n = diff.Apply(p);
var p2 = ReadWkt <MultiPoint>("MULTIPOINT((1 2), (3 3))");
Assert.AreEqual(WriteWkt(p2), WriteWkt(n));
}
public void TestReverseModify()
{
var diff = new MultiPointDiff()
{
Index = 0,
Operation = Operation.Modify,
Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
},
new PointDiff()
{
Index = 0, Operation = Operation.Modify, Value = new CoordinateDelta()
{
X = -0.5, Y = 0.5
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
}
}
};
var reversed = (MultiPointDiff)diff.Reverse();
Assert.AreEqual(0, reversed.Index);
Assert.AreEqual(Operation.Modify, reversed.Operation);
Assert.AreEqual(3, reversed.Value.Count);
var d1 = reversed.Value[0];
Assert.AreEqual(Operation.Delete, d1.Operation);
Assert.AreEqual(0, d1.Index);
Assert.AreEqual(1, d1.Value.X);
Assert.AreEqual(2, d1.Value.Y);
var d2 = reversed.Value[1];
Assert.AreEqual(Operation.Modify, d2.Operation);
Assert.AreEqual(1, d2.Index);
Assert.AreEqual(0.5, d2.Value.X);
Assert.AreEqual(-0.5, d2.Value.Y);
var d3 = reversed.Value[2];
Assert.AreEqual(Operation.Insert, d3.Operation);
Assert.AreEqual(2, d3.Index);
Assert.AreEqual(3, d3.Value.X);
Assert.AreEqual(3, d3.Value.Y);
}
public void TestApplyModify()
{
var p = ReadWkt <MultiPoint>("MULTIPOINT((2 2), (3 3))");
var diff = new MultiPointDiff()
{
Index = 0,
Operation = Operation.Modify,
Value = new List <PointDiff>()
{
new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
},
new PointDiff()
{
Index = 0, Operation = Operation.Modify, Value = new CoordinateDelta()
{
X = -0.5, Y = 0.5
}
},
new PointDiff()
{
Index = 1, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 3, Y = 3
}
}
}
};
var n = diff.Apply(p);
var p2 = ReadWkt <MultiPoint>("MULTIPOINT((1 2), (1.5 2.5))");
Assert.AreEqual(WriteWkt(p2), WriteWkt(n));
}
private static void Write(MultiPointDiff diff, BinaryWriter writer, bool hasZ) => WriteList(diff.Value.Cast <IDiff>().ToList(), writer, hasZ);
