From 4ce7d24fd561890946d85f1d67dfc8575f9a0dd7 Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Mon, 22 Jan 2018 20:18:38 +0100
Subject: [PATCH] Add test for #1799: Set left and right edges (and thus
 sentences) in non-projective parses.

---
 spacy/tests/regression/test_issue1799.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 spacy/tests/regression/test_issue1799.py

diff --git a/spacy/tests/regression/test_issue1799.py b/spacy/tests/regression/test_issue1799.py
new file mode 100644
index 000000000..3a2ff5ba7
--- /dev/null
+++ b/spacy/tests/regression/test_issue1799.py
@@ -0,0 +1,19 @@
+'''Test sentence boundaries are deserialized correctly,
+even for non-projective sentences.'''
+
+import pytest
+import numpy
+from ... tokens import Doc
+from ... vocab import Vocab
+from ... attrs import HEAD, DEP
+
+
+def test_issue1799():
+    problem_sentence = 'Just what I was looking for.'
+    heads_deps = numpy.asarray([[1, 397], [4, 436], [2, 426], [1, 402],
+                                [0, 8206900633647566924], [18446744073709551615, 440],
+                                [18446744073709551614, 442]], dtype='uint64')
+    doc = Doc(Vocab(), words='Just what I was looking for .'.split())
+    doc.vocab.strings.add('ROOT')
+    doc = doc.from_array([HEAD, DEP], heads_deps)
+    assert len(list(doc.sents)) == 1