From 4924640cdbf7a91abb25480f2efa0faabbd7536f Mon Sep 17 00:00:00 2001
From: fis <jm.yuan@outlook.com>
Date: Sat, 16 Feb 2019 15:48:57 +0800
Subject: [PATCH] Add python test.

---
 tests/python/test_basic.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/python/test_basic.py b/tests/python/test_basic.py
index dc22b4d1ef61..8abaed62c995 100644
--- a/tests/python/test_basic.py
+++ b/tests/python/test_basic.py
@@ -63,6 +63,12 @@ def test_basic(self):
         # assert they are the same
         assert np.sum(np.abs(preds2 - preds)) == 0
 
+    def test_np_view(self):
+        y = np.array([12, 34, 56], np.float32)[::2]
+        from_view = xgb.DMatrix([], label=y).get_label()
+        from_array = xgb.DMatrix([], label=y+0).get_label()
+        assert (from_view == from_array).all()
+
     def test_record_results(self):
         dtrain = xgb.DMatrix(dpath + 'agaricus.txt.train')
         dtest = xgb.DMatrix(dpath + 'agaricus.txt.test')