51 lines
1.6 KiB
Python
Executable File
51 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2025 Google LLC
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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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import unittest
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from . IndexRange import IndexRange
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class TestIndexRange(unittest.TestCase):
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def test_creation(self) -> None:
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x: IndexRange = IndexRange(4,5);
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self.assertEqual(x.first, 4)
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self.assertEqual(x.count, 5)
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def test_creation_bad_first(self) -> None:
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self.assertRaises(Exception, IndexRange, -1, 5)
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def test_creation_bad_count(self) -> None:
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self.assertRaises(Exception, IndexRange, 1, -5)
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def test_distinct(self) -> None:
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x = IndexRange(4, 5);
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y = IndexRange(6, 7);
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self.assertNotEqual(x.first, y.first)
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self.assertNotEqual(x.count, y.count)
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def test_equality(self) -> None:
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self.assertEqual(IndexRange(4,5), IndexRange(4,5))
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self.assertNotEqual(IndexRange(4,5), IndexRange(4,7))
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self.assertNotEqual(IndexRange(7,5), IndexRange(4,5))
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def test_hash_heuristic(self) -> None:
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x = hash(IndexRange(4,5))
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y = hash(IndexRange(4,5))
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z = hash(IndexRange(6,7))
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self.assertEqual(x, y)
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self.assertNotEqual(x, z)
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if __name__ == "__main__":
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unittest.main()
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