55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
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#!/usr/bin/env python
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# Copyright 2019 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import sys
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import tempfile
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import unittest
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# Needed because the test runner contains relative imports.
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TOOLS_PATH = os.path.dirname(os.path.dirname(os.path.dirname(
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os.path.abspath(__file__))))
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sys.path.append(TOOLS_PATH)
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from testrunner.testproc.shard import radix_hash
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class TestRadixHashing(unittest.TestCase):
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def test_hash_character_by_radix(self):
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self.assertEqual(97, radix_hash(capacity=2**32, key="a"))
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def test_hash_character_by_radix_with_capacity(self):
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self.assertEqual(6, radix_hash(capacity=7, key="a"))
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def test_hash_string(self):
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self.assertEqual(6, radix_hash(capacity=7, key="ab"))
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def test_hash_test_id(self):
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self.assertEqual(
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5,
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radix_hash(capacity=7,
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key="test262/Map/class-private-method-Variant-0-1"))
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def test_hash_boundaries(self):
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total_variants = 5
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cases = []
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for case in [
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"test262/Map/class-private-method",
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"test262/Map/class-public-method",
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"test262/Map/object-retrieval",
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"test262/Map/object-deletion",
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"test262/Map/object-creation",
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"test262/Map/garbage-collection",
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]:
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for variant_index in range(total_variants):
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cases.append("%s-Variant-%d" % (case, variant_index))
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for case in cases:
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self.assertTrue(0 <= radix_hash(capacity=7, key=case) < 7)
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if __name__ == '__main__':
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unittest.main()
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