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import os
import unittest
from scripts.test import shared
class BinaryenTestCase(unittest.TestCase):
def input_path(self, filename):
return os.path.join(shared.options.binaryen_test, 'unit', 'input',
filename)
def roundtrip(self, filename, opts=[]):
path = self.input_path(filename)
p = shared.run_process(shared.WASM_OPT + ['-g', '-o', 'a.wasm', path] +
opts)
self.assertEqual(p.returncode, 0)
with open(path, 'rb') as f:
with open('a.wasm', 'rb') as g:
self.assertEqual(g.read(), f.read())
def disassemble(self, filename):
path = self.input_path(filename)
p = shared.run_process(shared.WASM_OPT +
['--print', '-o', os.devnull, path],
check=False, capture_output=True)
self.assertEqual(p.returncode, 0)
self.assertEqual(p.stderr, '')
return p.stdout
def check_features(self, filename, features, opts=[]):
path = self.input_path(filename)
cmd = shared.WASM_OPT + \
['--print-features', '-o', os.devnull, path] + opts
p = shared.run_process(cmd, check=False, capture_output=True)
self.assertEqual(p.returncode, 0)
self.assertEqual(p.stderr, '')
self.assertEqual(p.stdout.split('\n')[:-1],
['--enable-' + f for f in features])
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