1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3
4#
5# Copyright 2017, Data61
6# Commonwealth Scientific and Industrial Research Organisation (CSIRO)
7# ABN 41 687 119 230.
8#
9# This software may be distributed and modified according to the terms of
10# the BSD 2-Clause license. Note that NO WARRANTY is provided.
11# See "LICENSE_BSD2.txt" for details.
12#
13# @TAG(DATA61_BSD)
14#
15
16from __future__ import absolute_import, division, print_function, \
17    unicode_literals
18
19import os, sys, unittest
20
21ME = os.path.abspath(__file__)
22
23# Make CAmkES importable
24sys.path.append(os.path.join(os.path.dirname(ME), '../../..'))
25
26from camkes.internal.frozendict import frozendict
27from camkes.internal.tests.utils import CAmkESTest
28
29class TestFrozenDict(CAmkESTest):
30    def test_construction(self):
31        d = frozendict()
32        self.assertIsNone(d.get('hello'))
33
34        d = frozendict({'hello':'world'})
35        self.assertEqual(d['hello'], 'world')
36
37    def test_immutable(self):
38        d = frozendict()
39
40        with self.assertRaises(Exception):
41            d['hello'] = 'world'
42
43        d = frozendict({'hello':'world'})
44
45        with self.assertRaises(Exception):
46            d['hello'] = 'world'
47
48if __name__ == '__main__':
49    unittest.main()
50