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1#!/usr/bin/python
2# Copyright (C) 2010 Google Inc. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met:
7#
8#     * Redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer.
10#     * Redistributions in binary form must reproduce the above
11# copyright notice, this list of conditions and the following disclaimer
12# in the documentation and/or other materials provided with the
13# distribution.
14#     * Neither the name of Google Inc. nor the names of its
15# contributors may be used to endorse or promote products derived from
16# this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30"""Unit tests for array_stream.py."""
31
32import pdb
33import unittest
34
35from webkitpy.common.array_stream import ArrayStream
36
37
38class ArrayStreamTest(unittest.TestCase):
39    def assertEmpty(self, a_stream):
40        self.assertTrue(a_stream.empty())
41
42    def assertNotEmpty(self, a_stream):
43        self.assertFalse(a_stream.empty())
44
45    def assertContentsMatch(self, a_stream, contents):
46        self.assertEquals(a_stream.get(), contents)
47
48    def test_basics(self):
49        a = ArrayStream()
50        self.assertEmpty(a)
51        self.assertContentsMatch(a, [])
52
53        a.flush()
54        self.assertEmpty(a)
55        self.assertContentsMatch(a, [])
56
57        a.write("foo")
58        a.write("bar")
59        self.assertNotEmpty(a)
60        self.assertContentsMatch(a, ["foo", "bar"])
61
62        a.flush()
63        self.assertNotEmpty(a)
64        self.assertContentsMatch(a, ["foo", "bar"])
65
66        a.reset()
67        self.assertEmpty(a)
68        self.assertContentsMatch(a, [])
69
70        self.assertEquals(str(a), "<ArrayStream: []>")
71
72        a.write("foo")
73        self.assertNotEmpty(a)
74        self.assertContentsMatch(a, ["foo"])
75        self.assertEquals(str(a), "<ArrayStream: ['foo']>")
76
77if __name__ == '__main__':
78    unittest.main()
79