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import subprocess
from scripts.test.shared import WASM_OPT, run_process
from .utils import BinaryenTestCase
class WarningsText(BinaryenTestCase):
def test_warn_on_no_passes(self):
err = run_process(WASM_OPT + [self.input_path('asyncify-pure.wast'), '-o', 'a.wasm'], stderr=subprocess.PIPE).stderr
self.assertIn('warning: no passes specified, not doing any work', err)
def test_warn_on_no_output(self):
err = run_process(WASM_OPT + [self.input_path('asyncify-pure.wast'), '-O1'], stderr=subprocess.PIPE).stderr
self.assertIn('warning: no output file specified, not emitting output', err)
def test_quiet_suppresses_warnings(self):
err = run_process(WASM_OPT + [self.input_path('asyncify-pure.wast'), '-q'], stderr=subprocess.PIPE).stderr
self.assertNotIn('warning', err)
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