114 lines
4.0 KiB
Python
114 lines
4.0 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2013 The Plaso Project Authors.
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# Please see the AUTHORS file for details on individual authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for the range list."""
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import unittest
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from plaso.classifier import range_list
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class RangeListTest(unittest.TestCase):
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"""Class to test the range list."""
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def testInsertPositiveRanges(self):
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"""Function to test the insert function using positive ranges."""
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range_list_object = range_list.RangeList()
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# Test non-overlapping range.
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range_list_object.Insert(500, 100)
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self.assertEquals(range_list_object.number_of_ranges, 1)
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range_object = range_list_object.ranges[0]
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self.assertEquals(range_object.start_offset, 500)
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self.assertEquals(range_object.end_offset, 600)
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self.assertEquals(range_object.size, 100)
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# Test non-overlapping range.
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range_list_object.Insert(2000, 100)
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self.assertEquals(range_list_object.number_of_ranges, 2)
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range_object = range_list_object.ranges[1]
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self.assertEquals(range_object.start_offset, 2000)
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self.assertEquals(range_object.end_offset, 2100)
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self.assertEquals(range_object.size, 100)
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# Test range that overlaps with an existing range at the start.
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range_list_object.Insert(1950, 100)
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self.assertEquals(range_list_object.number_of_ranges, 2)
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range_object = range_list_object.ranges[1]
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self.assertEquals(range_object.start_offset, 1950)
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self.assertEquals(range_object.end_offset, 2100)
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self.assertEquals(range_object.size, 150)
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# Test range that overlaps with an existing range at the end.
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range_list_object.Insert(2050, 100)
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self.assertEquals(range_list_object.number_of_ranges, 2)
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range_object = range_list_object.ranges[1]
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self.assertEquals(range_object.start_offset, 1950)
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self.assertEquals(range_object.end_offset, 2150)
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self.assertEquals(range_object.size, 200)
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# Test non-overlapping range.
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range_list_object.Insert(1000, 100)
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self.assertEquals(range_list_object.number_of_ranges, 3)
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range_object = range_list_object.ranges[1]
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self.assertEquals(range_object.start_offset, 1000)
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self.assertEquals(range_object.end_offset, 1100)
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self.assertEquals(range_object.size, 100)
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# Test range that aligns with an existing range at the end.
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range_list_object.Insert(1100, 100)
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self.assertEquals(range_list_object.number_of_ranges, 3)
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range_object = range_list_object.ranges[1]
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self.assertEquals(range_object.start_offset, 1000)
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self.assertEquals(range_object.end_offset, 1200)
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self.assertEquals(range_object.size, 200)
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# Test range that aligns with an existing range at the start.
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range_list_object.Insert(900, 100)
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self.assertEquals(range_list_object.number_of_ranges, 3)
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range_object = range_list_object.ranges[1]
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self.assertEquals(range_object.start_offset, 900)
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self.assertEquals(range_object.end_offset, 1200)
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self.assertEquals(range_object.size, 300)
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# Test non-overlapping range.
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range_list_object.Insert(0, 100)
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self.assertEquals(range_list_object.number_of_ranges, 4)
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range_object = range_list_object.ranges[0]
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self.assertEquals(range_object.start_offset, 0)
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self.assertEquals(range_object.end_offset, 100)
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self.assertEquals(range_object.size, 100)
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# Test invalid ranges.
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with self.assertRaises(ValueError):
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range_list_object.Insert(-1, 100)
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with self.assertRaises(ValueError):
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range_list_object.Insert(3000, -100)
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if __name__ == '__main__':
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unittest.main()
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