Wrong updating document when removing several array elements about json-patch

[warpech]

The easiest is to reverse the order of remove operation if possible:

[
    { "op": "remove", "path": "/foo/1" },
    { "op": "remove", "path": "/foo/0" }
]

I will take a look at the spec if it describes this situation.

[warpech]

Though it is not normative, the current behaviour of the apply method passes the test case in https://github.com/json-patch/json-patch-tests/blob/master/tests.json#L279:

{ "comment": "test repeated removes",
      "doc": [1, 2, 3, 4],
      "patch": [{ "op": "remove", "path": "/1" },
                { "op": "remove", "path": "/2" }],
      "expected": [1, 3] },

So it can be assumed that other implementations work the same way.

[warpech]

RFC 6902 says it clear.

1. Document Structure

Operations are applied sequentially in the order they
appear in the array. Each operation in the sequence is applied to
the target document; the resulting document becomes the target of the
next operation.

4.2. remove

If removing an element from an array, any elements above the
specified index are shifted one position to the left.

Therefore, I am closing this ticket as the current implementation conforms to the spec.

Thanks for reporting, hopefully you can reverse the array of operations in your code.