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[jsinterp] Handle negative numbers better

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Closes #6131
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pukkandan 2023-04-27 07:42:17 +05:30
parent 170605840e
commit 7cf51f2191
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3 changed files with 25 additions and 3 deletions
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16
test/test_jsinterp.py
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@ -445,6 +445,22 @@ class TestJSInterpreter(unittest.TestCase):
jsi = JSInterpreter('function x(){return 1236566549 << 5}')
self.assertEqual(jsi.call_function('x'), 915423904)
def test_negative(self):
jsi = JSInterpreter("function f(){return 2 * -2.0;}")
self.assertEqual(jsi.call_function('f'), -4)
jsi = JSInterpreter('function f(){return 2 - - -2;}')
self.assertEqual(jsi.call_function('f'), 0)
jsi = JSInterpreter('function f(){return 2 - - - -2;}')
self.assertEqual(jsi.call_function('f'), 4)
jsi = JSInterpreter('function f(){return 2 - + + - -2;}')
self.assertEqual(jsi.call_function('f'), 0)
jsi = JSInterpreter('function f(){return 2 + - + - -2;}')
self.assertEqual(jsi.call_function('f'), 0)
if __name__ == '__main__':
unittest.main()