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-rw-r--r--ml/dlib/tools/python/test/test_array.py107
1 files changed, 107 insertions, 0 deletions
diff --git a/ml/dlib/tools/python/test/test_array.py b/ml/dlib/tools/python/test/test_array.py
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+++ b/ml/dlib/tools/python/test/test_array.py
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+from dlib import array
+try:
+ import cPickle as pickle # Use cPickle on Python 2.7
+except ImportError:
+ import pickle
+
+try:
+ from types import FloatType
+except ImportError:
+ FloatType = float
+
+from pytest import raises
+
+
+def test_array_init_with_number():
+ a = array(5)
+ assert len(a) == 5
+ for i in range(5):
+ assert a[i] == 0
+ assert type(a[i]) == FloatType
+
+
+def test_array_init_with_negative_number():
+ with raises(Exception):
+ array(-5)
+
+
+def test_array_init_with_zero():
+ a = array(0)
+ assert len(a) == 0
+
+
+def test_array_init_with_list():
+ a = array([0, 1, 2, 3, 4])
+ assert len(a) == 5
+ for idx, val in enumerate(a):
+ assert idx == val
+ assert type(val) == FloatType
+
+
+def test_array_init_with_empty_list():
+ a = array([])
+ assert len(a) == 0
+
+
+def test_array_init_without_argument():
+ a = array()
+ assert len(a) == 0
+
+
+def test_array_init_with_tuple():
+ a = array((0, 1, 2, 3, 4))
+ for idx, val in enumerate(a):
+ assert idx == val
+ assert type(val) == FloatType
+
+
+def test_array_serialization_empty():
+ a = array()
+ # cPickle with protocol 2 required for Python 2.7
+ # see http://pybind11.readthedocs.io/en/stable/advanced/classes.html#custom-constructors
+ ser = pickle.dumps(a, 2)
+ deser = pickle.loads(ser)
+ assert a == deser
+
+
+def test_array_serialization():
+ a = array([0, 1, 2, 3, 4])
+ ser = pickle.dumps(a, 2)
+ deser = pickle.loads(ser)
+ assert a == deser
+
+
+def test_array_extend():
+ a = array()
+ a.extend([0, 1, 2, 3, 4])
+ assert len(a) == 5
+ for idx, val in enumerate(a):
+ assert idx == val
+ assert type(val) == FloatType
+
+
+def test_array_string_representations_empty():
+ a = array()
+ assert str(a) == ""
+ assert repr(a) == "array[]"
+
+
+def test_array_string_representations():
+ a = array([1, 2, 3])
+ assert str(a) == "1\n2\n3"
+ assert repr(a) == "array[1, 2, 3]"
+
+
+def test_array_clear():
+ a = array(10)
+ a.clear()
+ assert len(a) == 0
+
+
+def test_array_resize():
+ a = array(10)
+ a.resize(100)
+ assert len(a) == 100
+
+ for i in range(100):
+ assert a[i] == 0