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