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Add tests for new array/array_t ctors

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This commit is contained in:
Ivan Smirnov 2016-07-24 20:30:17 +01:00
parent 98ba98c06b
commit e19980cc10
2 changed files with 42 additions and 1 deletions
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35
example/example-numpy-dtypes.cpp
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@ -166,6 +166,40 @@ void print_dtypes() {
std::cout << (std::string) py::dtype::of<StringStruct>().str() << std::endl;
}
py::array_t<int32_t, 0> test_array_ctors(int i) {
using arr_t = py::array_t<int32_t, 0>;
std::vector<int32_t> data { 1, 2, 3, 4, 5, 6 };
std::vector<size_t> shape { 3, 2 };
std::vector<size_t> strides { 8, 4 };
auto ptr = data.data();
auto vptr = (void *) ptr;
auto dtype = py::dtype("int32");
py::buffer_info buf_ndim1(vptr, 4, "i", 6);
py::buffer_info buf_ndim2(vptr, 4, "i", 2, shape, strides);
switch (i) {
// shape: (3, 2)
case 0: return arr_t(shape, ptr, strides);
case 1: return py::array(shape, ptr, strides);
case 2: return py::array(dtype, shape, vptr, strides);
case 3: return arr_t(shape, ptr);
case 4: return py::array(shape, ptr);
case 5: return py::array(dtype, shape, vptr);
case 6: return arr_t(buf_ndim2);
case 7: return py::array(buf_ndim2);
// shape: (6, )
case 8: return arr_t(6, ptr);
case 9: return py::array(6, ptr);
case 10: return py::array(dtype, 6, vptr);
case 11: return arr_t(buf_ndim1);
case 12: return py::array(buf_ndim1);
}
return arr_t();
}
void init_ex_numpy_dtypes(py::module &m) {
PYBIND11_NUMPY_DTYPE(SimpleStruct, x, y, z);
PYBIND11_NUMPY_DTYPE(PackedStruct, x, y, z);
@ -187,6 +221,7 @@ void init_ex_numpy_dtypes(py::module &m) {
m.def("get_format_unbound", &get_format_unbound);
m.def("create_string_array", &create_string_array);
m.def("print_string_array", &print_recarray<StringStruct>);
m.def("test_array_ctors", &test_array_ctors);
}
#undef PYBIND11_PACKED

8
example/example-numpy-dtypes.py
View File

@ -6,7 +6,8 @@ import numpy as np
from example import (
create_rec_simple, create_rec_packed, create_rec_nested, print_format_descriptors,
print_rec_simple, print_rec_packed, print_rec_nested, print_dtypes, get_format_unbound,
create_rec_partial, create_rec_partial_nested, create_string_array, print_string_array
create_rec_partial, create_rec_partial_nested, create_string_array, print_string_array,
test_array_ctors
)
@ -80,3 +81,8 @@ assert arr['a'].tolist() == [b'', b'a', b'ab', b'abc']
assert arr['b'].tolist() == [b'', b'a', b'ab', b'abc']
arr = create_string_array(False)
assert dtype == arr.dtype
data = np.arange(1, 7, dtype='int32')
for i in range(13):
expected = data if i >= 8 else data.reshape((3, 2))
np.testing.assert_array_equal(test_array_ctors(i), expected)