55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# Copyright 2021 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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"""Tests for the pw_log_tokenized packed metadata class."""
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import unittest
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from pw_log_tokenized import Metadata
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class TestMetadata(unittest.TestCase):
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"""Tests extracting fields from a pw_log_tokenized packed metadata value."""
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def test_zero(self):
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metadata = Metadata(0)
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self.assertEqual(metadata.log_level, 0)
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self.assertEqual(metadata.line, 0)
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self.assertEqual(metadata.flags, 0)
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self.assertEqual(metadata.module_token, 0)
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def test_various(self):
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metadata = Metadata(0xABCD << 16 | 1 << 14 | 1234 << 3 | 5,
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log_bits=3,
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line_bits=11,
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flag_bits=2,
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module_bits=16)
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self.assertEqual(metadata.log_level, 5)
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self.assertEqual(metadata.line, 1234)
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self.assertEqual(metadata.flags, 1)
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self.assertEqual(metadata.module_token, 0xABCD)
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def test_max(self):
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metadata = Metadata(0xFFFFFFFF,
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log_bits=3,
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line_bits=11,
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flag_bits=2,
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module_bits=16)
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self.assertEqual(metadata.log_level, 7)
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self.assertEqual(metadata.line, 2047)
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self.assertEqual(metadata.flags, 3)
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self.assertEqual(metadata.module_token, 0xFFFF)
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if __name__ == '__main__':
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unittest.main()
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