TST: structured dtype w/ quotes.

1 files changed, 29 insertions, 0 deletions

diff --git a/numpy/lib/tests/test_io.py b/numpy/lib/tests/test_io.py
index d73d50959..32beddfdb 100644
--- a/numpy/lib/tests/test_io.py
+++ b/numpy/lib/tests/test_io.py
@@ -3200,3 +3200,32 @@ def test_loadtxt_comment_multichar_error_with_quote():
     # A single character string in a tuple is unpacked though:
     res = np.loadtxt(txt, delimiter=",", comments=("#",), quotechar="'")
     assert_equal(res, [[1, 2], [3, 4]])
+
+
+def test_loadtxt_structured_dtype_with_quotes():
+    data = TextIO(
+        (
+            "1000;2.4;'alpha';-34\n"
+            "2000;3.1;'beta';29\n"
+            "3500;9.9;'gamma';120\n"
+            "4090;8.1;'delta';0\n"
+            "5001;4.4;'epsilon';-99\n"
+            "6543;7.8;'omega';-1\n"
+        )
+    )
+    dtype = np.dtype(
+        [('f0', np.uint16), ('f1', np.float64), ('f2', 'S7'), ('f3', np.int8)]
+    )
+    expected = np.array(
+        [
+            (1000, 2.4, "alpha", -34),
+            (2000, 3.1, "beta", 29),
+            (3500, 9.9, "gamma", 120),
+            (4090, 8.1, "delta", 0),
+            (5001, 4.4, "epsilon", -99),
+            (6543, 7.8, "omega", -1)
+        ],
+        dtype=dtype
+    )
+    res = np.loadtxt(data, dtype=dtype, delimiter=";", quotechar="'")
+    assert_array_equal(res, expected)