mirror of https://github.com/tc39/test262.git
28 lines
905 B
Python
28 lines
905 B
Python
import re
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from ..check import Check
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_THROW_STMT = re.compile(
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r'^throw "Test262: This statement should not be evaluated\.";$',
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re.MULTILINE)
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class CheckNegative(Check):
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'''Ensure tests have the expected YAML-formatted metadata.'''
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ID = 'NEGATIVE'
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def run(self, name, meta, source):
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if meta is None or meta.get('negative') is None:
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return
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negative = meta['negative']
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if not isinstance(negative, dict):
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return '"negative" must be a dictionary with fields "type" and "phase"'
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if not 'type' in negative:
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return '"negative" must specify a "type" field'
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if not 'phase' in negative:
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return '"negative" must specify a "phase" field'
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if negative["phase"] == "early" and not _THROW_STMT.search(source):
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return 'Negative tests of type "early" must include a `throw` statement'
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