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import os
from scripts.test import shared
from . import utils
class EmscriptenFinalizeTest(utils.BinaryenTestCase):
def test_em_asm_mangled_string(self):
p = shared.run_process(shared.WASM_EMSCRIPTEN_FINALIZE + [
self.input_path('em_asm_mangled_string.wat'), '-o', os.devnull, '--global-base=1024'
], check=False, capture_output=True)
self.assertNotEqual(p.returncode, 0)
self.assertIn('Fatal: local.get of unknown in arg0 of call to emscripten_asm_const_int (used by EM_ASM* macros) in function main.', p.stderr)
self.assertIn('This might be caused by aggressive compiler transformations. Consider using EM_JS instead.', p.stderr)
def do_output_test(self, args):
# without any output file specified, don't error, don't write the wasm,
# but do emit metadata
p = shared.run_process(shared.WASM_EMSCRIPTEN_FINALIZE + [
self.input_path('empty_lld.wat'), '--global-base=1024'
] + args, capture_output=True)
# metadata is always present
self.assertIn('{', p.stdout)
self.assertIn('}', p.stdout)
return p.stdout
def test_no_output(self):
stdout = self.do_output_test([])
# module is not present
self.assertNotIn('(module', stdout)
def test_text_output(self):
stdout = self.do_output_test(['-S'])
# module is present
self.assertIn('(module', stdout)
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