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from scripts.test import shared
from . import utils
class Wasm2CTest(utils.BinaryenTestCase):
def test_wrapper(self):
# the wrapper C code should only call the hang limit initializer if
# that is present.
empty_wasm = self.input_path('empty.wasm')
args = [empty_wasm, '--emit-wasm2c-wrapper=output.c']
shared.run_process(shared.WASM_OPT + args)
with open('output.c') as f:
normal_output = f.read()
# running with ttf generates a new wasm for fuzzing, which always
# includes the hang limit initializer function
shared.run_process(shared.WASM_OPT + args + ['-ttf'])
with open('output.c') as f:
ttf_output = f.read()
hang_limit_name = 'hangLimitInitializer'
self.assertIn(hang_limit_name, ttf_output)
self.assertNotIn(hang_limit_name, normal_output)
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