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Merged
brendandahl merged 1 commit into from
Sep 11, 2026
Merged

Parallelize native example testcases #9097

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72 changes: 40 additions & 32 deletions check.py
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Original file line number Diff line number Diff line change
Expand Up @@ -284,6 +284,44 @@ def run_validator_tests():
support.run_command(cmd, expected_status=1)


def run_one_example_test(t, stdout=None):
src = os.path.join(shared.get_test_dir('example'), t)
expected = os.path.join(shared.get_test_dir('example'), '.'.join(t.split('.')[:-1]) + '.txt')
# build the C file separately
libpath = shared.options.binaryen_lib
output_file = os.path.basename(os.path.splitext(t)[0])
objfile = output_file + '.o'
compile = [shared.NATIVECC, src, '-c', '-o', objfile,
'-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g', '-L' + libpath, '-pthread']
if src.endswith('.cpp'):
compile += ['-std=c++' + str(shared.cxx_standard)]
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
compile.append(f)
print('build: ', ' '.join(compile), file=stdout)
proc = subprocess.run(compile, capture_output=True, text=True)
if proc.returncode != 0:
raise Exception(f"Failed to compile {src}:\n{proc.stderr or proc.stdout}")

cmd = ['-I' + os.path.join(shared.options.binaryen_root, 't'), '-g', '-pthread', '-o', output_file]
# Link against the binaryen C library DSO, using an executable-relative rpath
cmd = [objfile, '-L' + libpath, '-lbinaryen'] + cmd + ['-Wl,-rpath,' + libpath]
print(' ', t, src, expected, file=stdout)
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
cmd.append(f)
cmd = [shared.NATIVEXX, '-std=c++' + str(shared.cxx_standard)] + cmd
print('link: ', ' '.join(cmd), file=stdout)
proc = subprocess.run(cmd, capture_output=True, text=True)
if proc.returncode != 0:
raise Exception(f"Failed to link {output_file}:\n{proc.stderr or proc.stdout}")
print('run...', output_file, file=stdout)
proc = subprocess.run([os.path.abspath(output_file)], capture_output=True, text=True)
if proc.returncode != 0:
raise Exception(f"Failed to run {output_file}:\n{proc.stderr or proc.stdout}")
shared.fail_if_not_identical_to_file(proc.stdout, expected)


def run_example_tests():
print_heading('checking native example testcases...')
if not shared.NATIVECC or not shared.NATIVEXX:
Expand All @@ -293,38 +331,8 @@ def run_example_tests():
if shared.skip_if_on_windows('example'):
return

for t in shared.get_tests(shared.get_test_dir('example')):
if not t.endswith(('.c', '.cpp')):
continue
src = os.path.join(shared.get_test_dir('example'), t)
expected = os.path.join(shared.get_test_dir('example'), '.'.join(t.split('.')[:-1]) + '.txt')
# build the C file separately
libpath = shared.options.binaryen_lib
output_file = os.path.basename(os.path.splitext(t)[0])
objfile = output_file + '.o'
compile = [shared.NATIVECC, src, '-c', '-o', objfile,
'-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g', '-L' + libpath, '-pthread']
if src.endswith('.cpp'):
compile += ['-std=c++' + str(shared.cxx_standard)]
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
compile.append(f)
print('build: ', ' '.join(compile))
subprocess.check_call(compile)

cmd = ['-I' + os.path.join(shared.options.binaryen_root, 't'), '-g', '-pthread', '-o', output_file]
# Link against the binaryen C library DSO, using an executable-relative rpath
cmd = [objfile, '-L' + libpath, '-lbinaryen'] + cmd + ['-Wl,-rpath,' + libpath]
print(' ', t, src, expected)
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
cmd.append(f)
cmd = [shared.NATIVEXX, '-std=c++' + str(shared.cxx_standard)] + cmd
print('link: ', ' '.join(cmd))
subprocess.check_call(cmd)
print('run...', output_file)
actual = subprocess.check_output([os.path.abspath(output_file)], text=True)
shared.fail_if_not_identical_to_file(actual, expected)
tests = shared.get_tests(shared.get_test_dir('example'), ['.c', '.cpp'])
shared.run_parallel_tests(run_one_example_test, tests)


def run_unittest():
Expand Down
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