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59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>C///</title>
</head>
"""
Tests for numpy/core/src/multiarray/conversion_utils.c
"""
import re
import sys

import pytest

import numpy as np
import numpy.core._multiarray_tests as mt
from numpy.testing import assert_warns, IS_PYPY


class StringConverterTestCase:
    allow_bytes = True
    case_insensitive = True
    exact_match = False
    warn = True

    def _check_value_error(self, val):
        pattern = r'\(got {}\)'.format(re.escape(repr(val)))
        with pytest.raises(ValueError, match=pattern) as exc:
            self.conv(val)

    def _check_conv_assert_warn(self, val, expected):
        if self.warn:
            with assert_warns(DeprecationWarning) as exc:
                assert self.conv(val) == expected
        else:
            assert self.conv(val) == expected

    def _check(self, val, expected):
        """Takes valid non-deprecated inputs for converters,
        runs converters on inputs, checks correctness of outputs,
        warnings and errors"""
        assert self.conv(val) == expected

        if self.allow_bytes:
            assert self.conv(val.encode('ascii')) == expected
        else:
            with pytest.raises(TypeError):
                self.conv(val.encode('ascii'))

        if len(val) != 1:
            if self.exact_match:
                self._check_value_error(val[:1])
                self._check_value_error(val + '\0')
            else:
                self._check_conv_assert_warn(val[:1], expected)

        if self.case_insensitive:
            if val != val.lower():
                self._check_conv_assert_warn(val.lower(), expected)
            if val != val.upper():
                self._check_conv_assert_warn(val.upper(), expected)
        else:
            if val != val.lower():
                self._check_value_error(val.lower())
            if val != val.upper():
                self._check_value_error(val.upper())

    def test_wrong_type(self):
        # common cases which apply to all the below
        with pytest.raises(TypeError):
            self.conv({})
        with pytest.raises(TypeError):
            self.conv([])

    def test_wrong_value(self):
        # nonsense strings
        self._check_value_error('')
        self._check_value_error('\N{greek small letter pi}')

        if self.allow_bytes:
            self._check_value_error(b'')
            # bytes which can't be converted to strings via utf8
            self._check_value_error(b"\xFF")
        if self.exact_match:
            self._check_value_error("there's no way this is supported")


class TestByteorderConverter(StringConverterTestCase):
    """ Tests of PyArray_ByteorderConverter """
    conv = mt.run_byteorder_converter
    warn = False

    def test_valid(self):
        for s in ['big', '>']:
            self._check(s, 'NPY_BIG')
        for s in ['little', '<']:
            self._check(s, 'NPY_LITTLE')
        for s in ['native', '=']:
            self._check(s, 'NPY_NATIVE')
        for s in ['ignore', '|']:
            self._check(s, 'NPY_IGNORE')
        for s in ['swap']:
            self._check(s, 'NPY_SWAP')


class TestSortkindConverter(StringConverterTestCase):
    """ Tests of PyArray_SortkindConverter """
    conv = mt.run_sortkind_converter
    warn = False

    def test_valid(self):
        self._check('quicksort', 'NPY_QUICKSORT')
        self._check('heapsort', 'NPY_HEAPSORT')
        self._check('mergesort', 'NPY_STABLESORT')  # alias
        self._check('stable', 'NPY_STABLESORT')


class TestSelectkindConverter(StringConverterTestCase):
    """ Tests of PyArray_SelectkindConverter """
    conv = mt.run_selectkind_converter
    case_insensitive = False
    exact_match = True

    def test_valid(self):
        self._check('introselect', 'NPY_INTROSELECT')


class TestSearchsideConverter(StringConverterTestCase):
    """ Tests of PyArray_SearchsideConverter """
    conv = mt.run_searchside_converter
    def test_valid(self):
        self._check('left', 'NPY_SEARCHLEFT')
        self._check('right', 'NPY_SEARCHRIGHT')


class TestOrderConverter(StringConverterTestCase):
    """ Tests of PyArray_OrderConverter """
    conv = mt.run_order_converter
    warn = False

    def test_valid(self):
        self._check('c', 'NPY_CORDER')
        self._check('f', 'NPY_FORTRANORDER')
        self._check('a', 'NPY_ANYORDER')
        self._check('k', 'NPY_KEEPORDER')

    def test_flatten_invalid_order(self):
        # invalid after gh-14596
        with pytest.raises(ValueError):
            self.conv('Z')
        for order in [False, True, 0, 8]:
            with pytest.raises(TypeError):
                self.conv(order)


class TestClipmodeConverter(StringConverterTestCase):
    """ Tests of PyArray_ClipmodeConverter """
    conv = mt.run_clipmode_converter
    def test_valid(self):
        self._check(