#!/usr/bin/python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial

'''Test cases for QByteArray operators'''

import os
import sys
import unittest

from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)

from PySide6.QtCore import QByteArray


class QByteArrayOperatorEqual(unittest.TestCase):
    '''TestCase for operator QByteArray == QByteArray'''

    def testDefault(self):
        # QByteArray() == QByteArray()
        obj1 = QByteArray()
        obj2 = QByteArray()
        self.assertEqual(obj1, obj2)

    def testSimple(self):
        # QByteArray(some_string) == QByteArray(some_string)
        string = bytes('egg snakes', "UTF-8")
        self.assertEqual(QByteArray(string), QByteArray(string))

    def testPyString(self):
        # QByteArray(string) == string
        string = bytes('my test string', "UTF-8")
        self.assertEqual(QByteArray(string), string)


class QByteArrayOperatorAt(unittest.TestCase):
    '''TestCase for operator QByteArray[]'''

    def testInRange(self):
        # QByteArray[x] where x is a valid index
        string = 'abcdefgh'
        obj = QByteArray(bytes(string, "UTF-8"))

        for i in range(len(string)):
            self.assertEqual(obj[i], bytes(string[i], "UTF-8"))

    def testInRangeReverse(self):
        # QByteArray[x] where x is a valid index (reverse order)
        string = 'abcdefgh'
        obj = QByteArray(bytes(string, "UTF-8"))

        for i in range(len(string) - 1, 0, -1):
            self.assertEqual(obj[i], bytes(string[i], "UTF-8"))

    def testOutOfRange(self):
        # QByteArray[x] where x is out of index
        string = bytes('1234567', "UTF-8")
        obj = QByteArray(string)
        self.assertRaises(IndexError, lambda: obj[len(string)])

    def testNullStrings(self):
        ba = QByteArray(bytes('\x00', "UTF-8"))
        self.assertEqual(ba.at(0), '\x00')
        self.assertEqual(ba[0], bytes('\x00', "UTF-8"))


class QByteArrayOperatorLen(unittest.TestCase):
    '''Test case for __len__ operator of QByteArray'''

    def testBasic(self):
        '''QByteArray __len__'''
        self.assertEqual(len(QByteArray()), 0)
        self.assertEqual(len(QByteArray(bytes('', "UTF-8"))), 0)
        self.assertEqual(len(QByteArray(bytes(' ', "UTF-8"))), 1)
        self.assertEqual(len(QByteArray(bytes('yabadaba', "UTF-8"))), 8)


class QByteArrayOperatorStr(unittest.TestCase):
    '''Test case for __str__ operator of QByteArray'''

    def testBasic(self):
        '''QByteArray __str__'''
        self.assertEqual(QByteArray().__str__(), str(b''))
        self.assertEqual(QByteArray(bytes('', "UTF-8")).__str__(), str(b''))
        self.assertEqual(QByteArray(bytes('aaa', "UTF-8")).__str__(), str(b'aaa'))


if __name__ == '__main__':
    unittest.main()
