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100 lines
2.9 KiB
100 lines
2.9 KiB
import os
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import pytest
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import textwrap
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import numpy as np
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from . import util
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class TestString(util.F2PyTest):
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sources = [util.getpath("tests", "src", "string", "char.f90")]
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@pytest.mark.slow
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def test_char(self):
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strings = np.array(["ab", "cd", "ef"], dtype="c").T
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inp, out = self.module.char_test.change_strings(
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strings, strings.shape[1])
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assert inp == pytest.approx(strings)
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expected = strings.copy()
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expected[1, :] = "AAA"
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assert out == pytest.approx(expected)
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class TestDocStringArguments(util.F2PyTest):
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sources = [util.getpath("tests", "src", "string", "string.f")]
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def test_example(self):
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a = np.array(b"123\0\0")
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b = np.array(b"123\0\0")
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c = np.array(b"123")
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d = np.array(b"123")
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self.module.foo(a, b, c, d)
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assert a.tobytes() == b"123\0\0"
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assert b.tobytes() == b"B23\0\0"
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assert c.tobytes() == b"123"
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assert d.tobytes() == b"D23"
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class TestFixedString(util.F2PyTest):
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sources = [util.getpath("tests", "src", "string", "fixed_string.f90")]
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@staticmethod
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def _sint(s, start=0, end=None):
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"""Return the content of a string buffer as integer value.
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For example:
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_sint('1234') -> 4321
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_sint('123A') -> 17321
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"""
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if isinstance(s, np.ndarray):
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s = s.tobytes()
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elif isinstance(s, str):
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s = s.encode()
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assert isinstance(s, bytes)
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if end is None:
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end = len(s)
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i = 0
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for j in range(start, min(end, len(s))):
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i += s[j] * 10**j
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return i
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def _get_input(self, intent="in"):
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if intent in ["in"]:
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yield ""
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yield "1"
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yield "1234"
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yield "12345"
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yield b""
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yield b"\0"
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yield b"1"
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yield b"\01"
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yield b"1\0"
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yield b"1234"
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yield b"12345"
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yield np.ndarray((), np.bytes_, buffer=b"") # array(b'', dtype='|S0')
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yield np.array(b"") # array(b'', dtype='|S1')
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yield np.array(b"\0")
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yield np.array(b"1")
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yield np.array(b"1\0")
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yield np.array(b"\01")
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yield np.array(b"1234")
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yield np.array(b"123\0")
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yield np.array(b"12345")
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def test_intent_in(self):
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for s in self._get_input():
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r = self.module.test_in_bytes4(s)
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# also checks that s is not changed inplace
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expected = self._sint(s, end=4)
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assert r == expected, s
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def test_intent_inout(self):
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for s in self._get_input(intent="inout"):
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rest = self._sint(s, start=4)
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r = self.module.test_inout_bytes4(s)
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expected = self._sint(s, end=4)
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assert r == expected
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# check that the rest of input string is preserved
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assert rest == self._sint(s, start=4)
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