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[jsinterp] Add charcodeAt and bitwise overflow (#4706)

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Authored by: elyse0
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Elyse 2022-08-19 00:30:04 -05:00 • committed by pukkandan
parent bfbecd1174
commit f26af78a8a
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2 changed files with 27 additions and 3 deletions
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test/test_jsinterp.py
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@ -352,6 +352,22 @@ class TestJSInterpreter(unittest.TestCase):
''')
self.assertEqual(jsi.call_function('x').flags & re.I, re.I)
def test_char_code_at(self):
jsi = JSInterpreter('function x(i){return "test".charCodeAt(i)}')
self.assertEqual(jsi.call_function('x', 0), 116)
self.assertEqual(jsi.call_function('x', 1), 101)
self.assertEqual(jsi.call_function('x', 2), 115)
self.assertEqual(jsi.call_function('x', 3), 116)
self.assertEqual(jsi.call_function('x', 4), None)
self.assertEqual(jsi.call_function('x', 'not_a_number'), 116)
def test_bitwise_operators_overflow(self):
jsi = JSInterpreter('function x(){return -524999584 << 5}')
self.assertEqual(jsi.call_function('x'), 379882496)
jsi = JSInterpreter('function x(){return 1236566549 << 5}')
self.assertEqual(jsi.call_function('x'), 915423904)
if __name__ == '__main__':
unittest.main()