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-rw-r--r--numpy/lib/tests/test_io.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_io.py b/numpy/lib/tests/test_io.py
index 40a229d14..4038d6a7f 100644
--- a/numpy/lib/tests/test_io.py
+++ b/numpy/lib/tests/test_io.py
@@ -1085,6 +1085,21 @@ M 33 21.99
control = np.array([2009., 23., 46],)
assert_equal(test, control)
+ def test_dtype_with_converters_and_usecols(self):
+ dstr = "1,5,-1,1:1\n2,8,-1,1:n\n3,3,-2,m:n\n"
+ dmap = {'1:1':0, '1:n':1, 'm:1':2, 'm:n':3}
+ dtyp = [('E1','i4'),('E2','i4'),('E3','i2'),('N', 'i1')]
+ conv = {0: int, 1: int, 2: int, 3: lambda r: dmap[r.decode()]}
+ test = np.recfromcsv(TextIO(dstr,), dtype=dtyp, delimiter=',',
+ names=None, converters=conv)
+ control = np.rec.array([[1,5,-1,0], [2,8,-1,1], [3,3,-2,3]], dtype=dtyp)
+ assert_equal(test, control)
+ dtyp = [('E1','i4'),('E2','i4'),('N', 'i1')]
+ test = np.recfromcsv(TextIO(dstr,), dtype=dtyp, delimiter=',',
+ usecols=(0,1,3), names=None, converters=conv)
+ control = np.rec.array([[1,5,0], [2,8,1], [3,3,3]], dtype=dtyp)
+ assert_equal(test, control)
+
def test_dtype_with_object(self):
"Test using an explicit dtype with an object"
from datetime import date