def update_bin_fmt_tests():
print('\n[ checking binary format testcases... ]\n')
for wast in shared.get_tests(shared.options.binaryen_test, ['.wast']):
for debug_info in [0, 1]:
cmd = shared.WASM_AS + [wast, '-o', 'a.wasm', '-all']
if debug_info:
cmd += ['-g']
print(' '.join(cmd))
if os.path.exists('a.wasm'):
os.unlink('a.wasm')
subprocess.check_call(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
assert os.path.exists('a.wasm')
cmd = shared.WASM_DIS + ['a.wasm', '-o', 'a.wast']
print(' '.join(cmd))
if os.path.exists('a.wast'):
os.unlink('a.wast')
subprocess.check_call(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
assert os.path.exists('a.wast')
actual = open('a.wast').read()
binary_file = wast + '.fromBinary'
if not debug_info:
binary_file += '.noDebugInfo'
with open(binary_file, 'w') as o:
o.write(actual)
def run_wasm_reduce_tests():
if not shared.has_shell_timeout():
print('\n[ skipping wasm-reduce testcases]\n')
return
print('\n[ checking wasm-reduce testcases]\n')
# fixed testcases
for t in shared.get_tests(shared.get_test_dir('reduce'), ['.wast']):
print('..', os.path.basename(t))
# convert to wasm
support.run_command(shared.WASM_AS + [t, '-o', 'a.wasm', '-all'])
support.run_command(shared.WASM_REDUCE + ['a.wasm', '--command=%s b.wasm --fuzz-exec -all ' % shared.WASM_OPT[0], '-t', 'b.wasm', '-w', 'c.wasm', '--timeout=4'])
expected = t + '.txt'
support.run_command(shared.WASM_DIS + ['c.wasm', '-o', 'a.wat'])
with open('a.wat') as seen:
shared.fail_if_not_identical_to_file(seen.read(), expected)
# run on a nontrivial fuzz testcase, for general coverage
# this is very slow in ThreadSanitizer, so avoid it there
if 'fsanitize=thread' not in str(os.environ):
print('\n[ checking wasm-reduce fuzz testcase ]\n')
# TODO: re-enable multivalue once it is better optimized
support.run_command(shared.WASM_OPT + [os.path.join(shared.options.binaryen_test, 'signext.wast'), '-ttf', '-Os', '-o', 'a.wasm', '--detect-features', '--disable-multivalue'])
before = os.stat('a.wasm').st_size
support.run_command(shared.WASM_REDUCE + ['a.wasm', '--command=%s b.wasm --fuzz-exec --detect-features' % shared.WASM_OPT[0], '-t', 'b.wasm', '-w', 'c.wasm'])
after = os.stat('c.wasm').st_size
# This number is a custom threshold to check if we have shrunk the
# output sufficiently
assert after < 0.85 * before, [before, after]
def update_binaryen_js_tests():
if not (shared.MOZJS or shared.NODEJS):
print('no vm to run binaryen.js tests')
return
if not os.path.exists(shared.BINARYEN_JS):
print('no binaryen.js build to test')
return
print('\n[ checking binaryen.js testcases... ]\n')
node_has_wasm = shared.NODEJS and support.node_has_webassembly(shared.NODEJS)
for s in shared.get_tests(shared.get_test_dir('binaryen.js'), ['.js']):
basename = os.path.basename(s)
print(basename)
f = open('a.js', 'w')
f.write(open(shared.BINARYEN_JS).read())
if shared.NODEJS:
f.write(support.node_test_glue())
test_src = open(s).read()
f.write(test_src)
f.close()
if shared.MOZJS or node_has_wasm or 'WebAssembly.' not in test_src:
cmd = [shared.MOZJS or shared.NODEJS, 'a.js']
if 'fatal' not in basename:
out = support.run_command(cmd, stderr=subprocess.STDOUT)
else:
# expect an error - the specific error code will depend on the vm
out = support.run_command(cmd, stderr=subprocess.STDOUT, expected_status=None)
with open(s + '.txt', 'w') as o:
o.write(out)
else:
print('Skipping ' + basename + ' because WebAssembly might not be supported')
def run_crash_tests():
print("\n[ checking we don't crash on tricky inputs... ]\n")
for t in shared.get_tests(shared.get_test_dir('crash'), ['.wast', '.wasm']):
print('..', os.path.basename(t))
cmd = shared.WASM_OPT + [t]
# expect a parse error to be reported
support.run_command(cmd, expected_err='parse exception:', err_contains=True, expected_status=1)
def update_reduce_tests():
print('\n[ checking wasm-reduce ]\n')
for t in shared.get_tests(shared.get_test_dir('reduce'), ['.wast']):
print('..', os.path.basename(t))
# convert to wasm
support.run_command(shared.WASM_AS + [t, '-o', 'a.wasm'])
print(support.run_command(shared.WASM_REDUCE + ['a.wasm', '--command=%s b.wasm --fuzz-exec' % shared.WASM_OPT[0], '-t', 'b.wasm', '-w', 'c.wasm']))
expected = t + '.txt'
support.run_command(shared.WASM_DIS + ['c.wasm', '-o', expected])
def update_wasm_dis_tests():
print('\n[ checking wasm-dis on provided binaries... ]\n')
for t in shared.get_tests(shared.options.binaryen_test, ['.wasm']):
print('..', os.path.basename(t))
cmd = shared.WASM_DIS + [t]
if os.path.isfile(t + '.map'):
cmd += ['--source-map', t + '.map']
actual = support.run_command(cmd)
open(t + '.fromBinary', 'w').write(actual)
def update_ctor_eval_tests():
print('\n[ checking wasm-ctor-eval... ]\n')
for t in shared.get_tests(shared.get_test_dir('ctor-eval'), ['.wast', '.wasm']):
print('..', os.path.basename(t))
ctors = open(t + '.ctors').read().strip()
cmd = shared.WASM_CTOR_EVAL + [t, '-all', '-o', 'a.wast', '-S', '--ctors', ctors]
support.run_command(cmd)
actual = open('a.wast').read()
out = t + '.out'
with open(out, 'w') as o:
o.write(actual)
def run_ctor_eval_tests():
print('\n[ checking wasm-ctor-eval... ]\n')
for t in shared.get_tests(shared.get_test_dir('ctor-eval'), ['.wast', '.wasm']):
print('..', os.path.basename(t))
ctors = open(t + '.ctors').read().strip()
cmd = shared.WASM_CTOR_EVAL + [t, '-all', '-o', 'a.wat', '-S', '--ctors', ctors]
support.run_command(cmd)
actual = open('a.wat').read()
out = t + '.out'
shared.fail_if_not_identical_to_file(actual, out)
def update_example_tests():
print('\n[ checking example testcases... ]\n')
for t in shared.get_tests(shared.get_test_dir('example')):
basename = os.path.basename(t)
output_file = os.path.join(shared.options.binaryen_bin, 'example')
libdir = os.path.join(shared.BINARYEN_INSTALL_DIR, 'lib')
cmd = ['-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g', '-pthread', '-o', output_file]
if t.endswith('.txt'):
# check if there is a trace in the file, if so, we should build it
out = subprocess.Popen([os.path.join(shared.options.binaryen_root, 'scripts', 'clean_c_api_trace.py'), t], stdout=subprocess.PIPE).communicate()[0]
if len(out) == 0:
print(' (no trace in ', basename, ')')
continue
print(' (will check trace in ', basename, ')')
src = 'trace.cpp'
with open(src, 'wb') as o:
o.write(out)
expected = t + '.txt'
else:
src = t
expected = os.path.splitext(t)[0] + '.txt'
if not src.endswith(('.c', '.cpp')):
continue
# build the C file separately
extra = [os.environ.get('CC') or 'gcc',
src, '-c', '-o', 'example.o',
'-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g', '-L' + libdir, '-pthread']
print('build: ', ' '.join(extra))
if src.endswith('.cpp'):
extra += ['-std=c++14']
print(os.getcwd())
subprocess.check_call(extra)
# Link against the binaryen C library DSO, using rpath
cmd = ['example.o', '-L' + libdir, '-lbinaryen', '-Wl,-rpath,' + os.path.abspath(libdir)] + cmd
print(' ', basename, src, expected)
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
cmd.append(f)
cmd = [os.environ.get('CXX') or 'g++', '-std=c++14'] + cmd
try:
print('link: ', ' '.join(cmd))
subprocess.check_call(cmd)
print('run...', output_file)
proc = subprocess.Popen([output_file], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
actual, err = proc.communicate()
assert proc.returncode == 0, [proc.returncode, actual, err]
with open(expected, 'wb') as o:
o.write(actual)
finally:
os.remove(output_file)
if sys.platform == 'darwin':
# Also removes debug directory produced on Mac OS
shutil.rmtree(output_file + '.dSYM')
def update_example_tests():
print('\n[ checking example testcases... ]\n')
for src in shared.get_tests(shared.get_test_dir('example')):
basename = os.path.basename(src)
output_file = os.path.join(shared.options.binaryen_bin, 'example')
libdir = os.path.join(shared.BINARYEN_INSTALL_DIR, 'lib')
cmd = [
'-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g',
'-pthread', '-o', output_file
]
if not src.endswith(('.c', '.cpp')):
continue
expected = os.path.splitext(src)[0] + '.txt'
# windows + gcc will need some work
if shared.skip_if_on_windows('gcc'):
return
# build the C file separately
extra = [
os.environ.get('CC') or 'gcc', src, '-c', '-o', 'example.o',
'-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g',
'-L' + libdir, '-pthread'
]
print('build: ', ' '.join(extra))
if src.endswith('.cpp'):
extra += ['-std=c++' + str(shared.cxx_standard)]
print(os.getcwd())
subprocess.check_call(extra)
# Link against the binaryen C library DSO, using rpath
cmd = [
'example.o', '-L' + libdir, '-lbinaryen',
'-Wl,-rpath,' + os.path.abspath(libdir)
] + cmd
print(' ', basename, src, expected)
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
cmd.append(f)
cmd = [
os.environ.get('CXX') or 'g++',
'-std=c++' + str(shared.cxx_standard)
] + cmd
try:
print('link: ', ' '.join(cmd))
subprocess.check_call(cmd)
print('run...', output_file)
proc = subprocess.Popen([output_file],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
actual, err = proc.communicate()
assert proc.returncode == 0, [proc.returncode, actual, err]
with open(expected, 'wb') as o:
o.write(actual)
finally:
os.remove(output_file)
def run_wasm_metadce_tests():
print('\n[ checking wasm-metadce ]\n')
for t in shared.get_tests(shared.get_test_dir('metadce'), ['.wast', '.wasm']):
print('..', os.path.basename(t))
graph = t + '.graph.txt'
cmd = shared.WASM_METADCE + [t, '--graph-file=' + graph, '-o', 'a.wat', '-S', '-all']
stdout = support.run_command(cmd)
expected = t + '.dced'
with open('a.wat') as seen:
shared.fail_if_not_identical_to_file(seen.read(), expected)
shared.fail_if_not_identical_to_file(stdout, expected + '.stdout')
def update_metadce_tests():
print('\n[ checking wasm-metadce... ]\n')
for t in shared.get_tests(shared.get_test_dir('metadce'), ['.wast', '.wasm']):
print('..', os.path.basename(t))
graph = t + '.graph.txt'
cmd = shared.WASM_METADCE + [t, '--graph-file=' + graph, '-o', 'a.wast', '-S', '-all']
stdout = support.run_command(cmd)
actual = open('a.wast').read()
out = t + '.dced'
with open(out, 'w') as o:
o.write(actual)
with open(out + '.stdout', 'w') as o:
o.write(stdout)
def run_example_tests():
print('\n[ checking native example testcases...]\n')
if not shared.NATIVECC or not shared.NATIVEXX:
shared.fail_with_error(
'Native compiler (e.g. gcc/g++) was not found in PATH!')
return
# windows + gcc will need some work
if shared.skip_if_on_windows('example'):
return
for t in shared.get_tests(shared.get_test_dir('example')):
output_file = 'example'
cmd = [
'-I' + os.path.join(shared.options.binaryen_root, 't'), '-g',
'-pthread', '-o', output_file
]
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
extra = [
shared.NATIVECC, src, '-c', '-o', 'example.o',
'-I' + os.path.join(shared.options.binaryen_root, 'src'), '-g',
'-L' + libpath, '-pthread'
]
if src.endswith('.cpp'):
extra += ['-std=c++' + str(shared.cxx_standard)]
if os.environ.get('COMPILER_FLAGS'):
for f in os.environ.get('COMPILER_FLAGS').split(' '):
extra.append(f)
print('build: ', ' '.join(extra))
subprocess.check_call(extra)
# Link against the binaryen C library DSO, using an executable-relative rpath
cmd = ['example.o', '-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)
]).decode('utf-8')
os.remove(output_file)
shared.fail_if_not_identical_to_file(actual, expected)
def run_vanilla_tests():
if not (shared.has_vanilla_emcc and shared.has_vanilla_llvm and 0):
print('\n[ skipping emcc WASM_BACKEND testcases...]\n')
return
print('\n[ checking emcc WASM_BACKEND testcases...]\n')
try:
if shared.has_vanilla_llvm:
os.environ['LLVM'] = shared.BIN_DIR # use the vanilla LLVM
else:
# if we did not set vanilla llvm, then we must set this env var to make emcc use the wasm backend.
# (if we are using vanilla llvm, things should just work)
print(
'(not using vanilla llvm, so setting env var to tell emcc to use wasm backend)'
)
os.environ['EMCC_WASM_BACKEND'] = '1'
VANILLA_EMCC = os.path.join(shared.options.binaryen_test, 'emscripten',
'emcc')
# run emcc to make sure it sets itself up properly, if it was never run before
command = [VANILLA_EMCC, '-v']
print('____' + ' '.join(command))
subprocess.check_call(command)
for c in shared.get_tests(shared.get_test_dir('wasm_backend'), '.cpp'):
print('..', os.path.basename(c))
base = c.replace('.cpp', '').replace('.c', '')
expected = open(os.path.join(base + '.txt')).read()
for opts in [[], ['-O1'], ['-O2']]:
# only my code is a hack we used early in wasm backend dev, which somehow worked, but only with -O1
only = [] if opts != ['-O1'] or '_only' not in base else [
'-s', 'ONLY_MY_CODE=1'
]
command = [VANILLA_EMCC, '-o', 'a.wasm.js', c] + opts + only
print('....' + ' '.join(command))
if os.path.exists('a.wasm.js'):
os.unlink('a.wasm.js')
subprocess.check_call(command)
if shared.NODEJS:
print(' (check in node)')
cmd = [shared.NODEJS, 'a.wasm.js']
out = support.run_command(cmd)
if out.strip() != expected.strip():
shared.fail(out, expected)
finally:
if shared.has_vanilla_llvm:
del os.environ['LLVM']
else:
del os.environ['EMCC_WASM_BACKEND']
def update_asm_js_tests():
print('[ processing and updating testcases... ]\n')
for asm in shared.get_tests(shared.options.binaryen_test, ['.asm.js']):
basename = os.path.basename(asm)
for precise in [0, 1, 2]:
for opts in [1, 0]:
cmd = shared.ASM2WASM + [asm]
if 'threads' in basename:
cmd += ['--enable-threads']
wasm = asm.replace('.asm.js', '.fromasm')
if not precise:
cmd += ['--trap-mode=allow', '--ignore-implicit-traps']
wasm += '.imprecise'
elif precise == 2:
cmd += ['--trap-mode=clamp']
wasm += '.clamp'
if not opts:
wasm += '.no-opts'
if precise:
cmd += ['-O0'] # test that -O0 does nothing
else:
cmd += ['-O']
if 'debugInfo' in basename:
cmd += ['-g']
if 'noffi' in basename:
cmd += ['--no-legalize-javascript-ffi']
if precise and opts:
# test mem init importing
open('a.mem', 'wb').write(bytes(basename, 'utf-8'))
cmd += ['--mem-init=a.mem']
if basename[0] == 'e':
cmd += ['--mem-base=1024']
if '4GB' in basename:
cmd += ['--mem-max=4294967296']
if 'i64' in basename or 'wasm-only' in basename or 'noffi' in basename:
cmd += ['--wasm-only']
print(' '.join(cmd))
actual = support.run_command(cmd)
with open(os.path.join(shared.options.binaryen_test, wasm),
'w') as o:
o.write(actual)
if 'debugInfo' in basename:
cmd += [
'--source-map',
os.path.join(shared.options.binaryen_test,
wasm + '.map'), '-o', 'a.wasm'
]
support.run_command(cmd)
def run_wasm_dis_tests():
print('\n[ checking wasm-dis on provided binaries... ]\n')
for t in shared.get_tests(shared.options.binaryen_test, ['.wasm']):
print('..', os.path.basename(t))
cmd = shared.WASM_DIS + [t]
if os.path.isfile(t + '.map'):
cmd += ['--source-map', t + '.map']
actual = support.run_command(cmd)
shared.fail_if_not_identical_to_file(actual, t + '.fromBinary')
# also verify there are no validation errors
def check():
cmd = shared.WASM_OPT + [t, '-all']
support.run_command(cmd)
shared.with_pass_debug(check)
def update_wasm_opt_tests():
print('\n[ checking wasm-opt -o notation... ]\n')
wast = os.path.join(shared.options.binaryen_test, 'hello_world.wast')
cmd = shared.WASM_OPT + [wast, '-o', 'a.wast', '-S']
support.run_command(cmd)
open(wast, 'w').write(open('a.wast').read())
print('\n[ checking wasm-opt parsing & printing... ]\n')
for t in shared.get_tests(shared.get_test_dir('print'), ['.wast']):
print('..', os.path.basename(t))
wasm = t.replace('.wast', '')
cmd = shared.WASM_OPT + [t, '--print', '-all']
print(' ', ' '.join(cmd))
actual = subprocess.check_output(cmd)
print(cmd, actual)
with open(wasm + '.txt', 'wb') as o:
o.write(actual)
cmd = shared.WASM_OPT + [t, '--print-minified', '-all']
print(' ', ' '.join(cmd))
actual = subprocess.check_output(cmd)
with open(wasm + '.minified.txt', 'wb') as o:
o.write(actual)
print('\n[ checking wasm-opt passes... ]\n')
for t in shared.get_tests(shared.get_test_dir('passes'),
['.wast', '.wasm']):
print('..', os.path.basename(t))
binary = t.endswith('.wasm')
base = os.path.basename(t).replace('.wast', '').replace('.wasm', '')
passname = base
if passname.isdigit():
passname = open(
os.path.join(shared.options.binaryen_test, 'passes',
passname + '.passes')).read().strip()
opts = [('--' + p if not p.startswith('O') else '-' + p)
for p in passname.split('_')]
actual = ''
for module, asserts in support.split_wast(t):
assert len(asserts) == 0
support.write_wast('split.wast', module)
cmd = shared.WASM_OPT + opts + ['split.wast', '--print']
actual += support.run_command(cmd)
with open(
os.path.join(shared.options.binaryen_test, 'passes',
base + ('.bin' if binary else '') + '.txt'),
'w') as o:
o.write(actual)
if 'emit-js-wrapper' in t:
with open('a.js') as i:
with open(t + '.js', 'w') as o:
o.write(i.read())
if 'emit-spec-wrapper' in t:
with open('a.wat') as i:
with open(t + '.wat', 'w') as o:
o.write(i.read())
print('\n[ checking wasm-opt testcases... ]\n')
for t in shared.get_tests(shared.options.binaryen_test, ['.wast']):
print('..', os.path.basename(t))
f = t + '.from-wast'
cmd = shared.WASM_OPT + [t, '--print', '-all']
actual = support.run_command(cmd)
actual = actual.replace('printing before:\n', '')
open(f, 'w').write(actual)
print('\n[ checking wasm-opt debugInfo read-write... ]\n')
for t in shared.get_tests(shared.options.binaryen_test, ['.fromasm']):
if 'debugInfo' not in t:
continue
print('..', os.path.basename(t))
f = t + '.read-written'
support.run_command(shared.WASM_AS +
[t, '--source-map=a.map', '-o', 'a.wasm', '-g'])
support.run_command(shared.WASM_OPT + [
'a.wasm', '--input-source-map=a.map', '-o', 'b.wasm',
'--output-source-map=b.map', '-g'
])
actual = support.run_command(shared.WASM_DIS +
['b.wasm', '--source-map=b.map'])
open(f, 'w').write(actual)
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from scripts.test import shared
from scripts.test import support
tests = shared.get_tests(shared.options.binaryen_test)
spec_tests = shared.get_tests(shared.get_test_dir('spec'), ['.wast'])
spec_tests = [t for t in spec_tests if '.fail' not in t]
wasm2js_tests = shared.get_tests(shared.get_test_dir('wasm2js'), ['.wast'])
assert_tests = ['wasm2js.wast.asserts']
# These tests exercise functionality not supported by wasm2js
wasm2js_blacklist = ['empty_imported_table.wast']
def test_wasm2js_output():
for opt in (0, 1):
for t in tests + spec_tests + wasm2js_tests:
basename = os.path.basename(t)
if basename in wasm2js_blacklist:
continue
def test_asm2wasm():
print('[ checking asm2wasm testcases... ]\n')
for asm in shared.get_tests(shared.options.binaryen_test, ['.asm.js']):
basename = os.path.basename(asm)
for precise in [0, 1, 2]:
for opts in [1, 0]:
cmd = shared.ASM2WASM + [asm]
if 'threads' in asm:
cmd += ['--enable-threads']
wasm = asm.replace('.asm.js', '.fromasm')
if not precise:
cmd += ['--trap-mode=allow', '--ignore-implicit-traps']
wasm += '.imprecise'
elif precise == 2:
cmd += ['--trap-mode=clamp']
wasm += '.clamp'
if not opts:
wasm += '.no-opts'
if precise:
cmd += ['-O0'] # test that -O0 does nothing
else:
cmd += ['-O']
if 'debugInfo' in basename:
cmd += ['-g']
if 'noffi' in basename:
cmd += ['--no-legalize-javascript-ffi']
if precise and opts:
# test mem init importing
open('a.mem', 'w').write(basename)
cmd += ['--mem-init=a.mem']
if basename[0] == 'e':
cmd += ['--mem-base=1024']
if '4GB' in basename:
cmd += ['--mem-max=4294967296']
if 'i64' in basename or 'wasm-only' in basename or 'noffi' in basename:
cmd += ['--wasm-only']
print('..', basename, os.path.basename(wasm))
def do_asm2wasm_test():
actual = support.run_command(cmd)
# verify output
if not os.path.exists(wasm):
shared.fail_with_error(
'output .wast file %s does not exist' % wasm)
shared.fail_if_not_identical_to_file(actual, wasm)
shared.binary_format_check(wasm, verify_final_result=False)
# test both normally and with pass debug (so each inter-pass state
# is validated)
old_pass_debug = os.environ.get('BINARYEN_PASS_DEBUG')
try:
os.environ['BINARYEN_PASS_DEBUG'] = '1'
print("With BINARYEN_PASS_DEBUG=1:")
do_asm2wasm_test()
del os.environ['BINARYEN_PASS_DEBUG']
print("With BINARYEN_PASS_DEBUG disabled:")
do_asm2wasm_test()
finally:
if old_pass_debug is not None:
os.environ['BINARYEN_PASS_DEBUG'] = old_pass_debug
else:
if 'BINARYEN_PASS_DEBUG' in os.environ:
del os.environ['BINARYEN_PASS_DEBUG']
# verify in wasm
if shared.options.interpreter:
# remove imports, spec interpreter doesn't know what to do with them
subprocess.check_call(shared.WASM_OPT +
['--remove-imports', wasm],
stdout=open('ztemp.wast', 'w'),
stderr=subprocess.PIPE)
proc = subprocess.Popen(
[shared.options.interpreter, 'ztemp.wast'],
stderr=subprocess.PIPE)
out, err = proc.communicate()
if proc.returncode != 0:
try: # to parse the error
reported = err.split(':')[1]
start, end = reported.split('-')
start_line, start_col = map(int, start.split('.'))
lines = open('ztemp.wast').read().split('\n')
print()
print('=' * 80)
print(lines[start_line - 1])
print((' ' * (start_col - 1)) + '^')
print((' ' * (start_col - 2)) + '/_\\')
print('=' * 80)
print(err)
except Exception:
# failed to pretty-print
shared.fail_with_error('wasm interpreter error: ' +
err)
shared.fail_with_error('wasm interpreter error')
# verify debug info
if 'debugInfo' in asm:
jsmap = 'a.wasm.map'
cmd += [
'--source-map', jsmap, '--source-map-url',
'http://example.org/' + jsmap, '-o', 'a.wasm'
]
support.run_command(cmd)
if not os.path.isfile(jsmap):
shared.fail_with_error(
'Debug info map not created: %s' % jsmap)
with open(jsmap, 'rb') as actual:
shared.fail_if_not_identical_to_file(
actual.read(), wasm + '.map')
with open('a.wasm', 'rb') as binary:
url_section_name = bytes([16]) + bytes(
'sourceMappingURL', 'utf-8')
url = 'http://example.org/' + jsmap
assert len(url) < 256, 'name too long'
url_section_contents = bytes([len(url)]) + bytes(
url, 'utf-8')
print(url_section_name)
binary_contents = binary.read()
if url_section_name not in binary_contents:
shared.fail_with_error(
'source map url section not found in binary')
url_section_index = binary_contents.index(
url_section_name)
if url_section_contents not in binary_contents[
url_section_index:]:
shared.fail_with_error(
'source map url not found in url section')
def run_wasm_opt_tests():
print('\n[ checking wasm-opt -o notation... ]\n')
for extra_args in [[], ['--no-validation']]:
wast = os.path.join(shared.options.binaryen_test, 'hello_world.wat')
shared.delete_from_orbit('a.wat')
out = 'a.wat'
cmd = shared.WASM_OPT + [wast, '-o', out, '-S'] + extra_args
support.run_command(cmd)
shared.fail_if_not_identical_to_file(open(out).read(), wast)
print('\n[ checking wasm-opt binary reading/writing... ]\n')
shutil.copyfile(
os.path.join(shared.options.binaryen_test, 'hello_world.wat'), 'a.wat')
shared.delete_from_orbit('a.wasm')
shared.delete_from_orbit('b.wast')
support.run_command(shared.WASM_OPT + ['a.wat', '-o', 'a.wasm'])
assert open('a.wasm', 'rb').read()[0] == 0, 'we emit binary by default'
support.run_command(shared.WASM_OPT + ['a.wasm', '-o', 'b.wast', '-S'])
assert open('b.wast', 'rb').read()[0] != 0, 'we emit text with -S'
print('\n[ checking wasm-opt passes... ]\n')
for t in shared.get_tests(shared.get_test_dir('passes'),
['.wast', '.wasm']):
print('..', os.path.basename(t))
binary = '.wasm' in t
base = os.path.basename(t).replace('.wast', '').replace('.wasm', '')
passname = base
passes_file = os.path.join(shared.get_test_dir('passes'),
passname + '.passes')
if os.path.exists(passes_file):
passname = open(passes_file).read().strip()
opts = [('--' + p if not p.startswith('O') and p != 'g' else '-' + p)
for p in passname.split('_')]
actual = ''
for module, asserts in support.split_wast(t):
assert len(asserts) == 0
support.write_wast('split.wast', module)
cmd = shared.WASM_OPT + opts + ['split.wast', '--print']
curr = support.run_command(cmd)
actual += curr
# also check debug mode output is valid
debugged = support.run_command(cmd + ['--debug'],
stderr=subprocess.PIPE)
shared.fail_if_not_contained(actual, debugged)
# also check pass-debug mode
def check():
pass_debug = support.run_command(cmd)
shared.fail_if_not_identical(curr, pass_debug)
shared.with_pass_debug(check)
expected_file = os.path.join(
shared.get_test_dir('passes'),
base + ('.bin' if binary else '') + '.txt')
shared.fail_if_not_identical_to_file(actual, expected_file)
if 'emit-js-wrapper' in t:
with open('a.js') as actual:
shared.fail_if_not_identical_to_file(actual.read(), t + '.js')
if 'emit-spec-wrapper' in t:
with open('a.wat') as actual:
shared.fail_if_not_identical_to_file(actual.read(), t + '.wat')
print('\n[ checking wasm-opt parsing & printing... ]\n')
for t in shared.get_tests(shared.get_test_dir('print'), ['.wast']):
print('..', os.path.basename(t))
wasm = os.path.basename(t).replace('.wast', '')
cmd = shared.WASM_OPT + [t, '--print', '-all']
print(' ', ' '.join(cmd))
actual, err = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True).communicate()
expected_file = os.path.join(shared.get_test_dir('print'),
wasm + '.txt')
shared.fail_if_not_identical_to_file(actual, expected_file)
cmd = shared.WASM_OPT + [
os.path.join(shared.get_test_dir('print'), t), '--print-minified',
'-all'
]
print(' ', ' '.join(cmd))
actual, err = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True).communicate()
shared.fail_if_not_identical(
actual.strip(),
open(
os.path.join(shared.get_test_dir('print'),
wasm + '.minified.txt')).read().strip())
print('\n[ checking wasm-opt testcases... ]\n')
for t in shared.get_tests(shared.options.binaryen_test, ['.wast']):
print('..', os.path.basename(t))
f = t + '.from-wast'
cmd = shared.WASM_OPT + [t, '--print', '-all']
actual = support.run_command(cmd)
actual = actual.replace('printing before:\n', '')
shared.fail_if_not_identical_to_file(actual, f)
# FIXME Remove this condition after nullref is implemented in V8
if 'reference-types.wast' not in t:
shared.binary_format_check(t,
wasm_as_args=['-g'
]) # test with debuginfo
shared.binary_format_check(t,
wasm_as_args=[],
binary_suffix='.fromBinary.noDebugInfo'
) # test without debuginfo
shared.minify_check(t)
print('\n[ checking wasm-opt debugInfo read-write... ]\n')
for t in shared.get_tests(shared.options.binaryen_test, ['.fromasm']):
if 'debugInfo' not in t:
continue
print('..', os.path.basename(t))
f = t + '.read-written'
support.run_command(shared.WASM_AS +
[t, '--source-map=a.map', '-o', 'a.wasm', '-g'])
support.run_command(shared.WASM_OPT + [
'a.wasm', '--input-source-map=a.map', '-o', 'b.wasm',
'--output-source-map=b.map', '-g'
])
actual = support.run_command(shared.WASM_DIS +
['b.wasm', '--source-map=b.map'])
shared.fail_if_not_identical_to_file(actual, f)
def run_spec_tests():
print('\n[ checking wasm-shell spec testcases... ]\n')
if not shared.options.spec_tests:
# FIXME we support old and new memory formats, for now, until 0xc, and so can't pass this old-style test.
BLACKLIST = ['binary.wast']
# FIXME to update the spec to 0xd, we need to implement (register "name") for import.wast
spec_tests = shared.get_tests(shared.get_test_dir('spec'), ['.wast'])
spec_tests = [
t for t in spec_tests if os.path.basename(t) not in BLACKLIST
]
else:
spec_tests = shared.options.spec_tests[:]
for wast in spec_tests:
print('..', os.path.basename(wast))
# skip checks for some tests
if os.path.basename(wast) in [
'linking.wast', 'nop.wast', 'stack.wast', 'typecheck.wast',
'unwind.wast'
]: # FIXME
continue
def run_spec_test(wast):
cmd = shared.WASM_SHELL + [wast]
# we must skip the stack machine portions of spec tests or apply other extra args
extra = {}
cmd = cmd + (extra.get(os.path.basename(wast)) or [])
return support.run_command(cmd, stderr=subprocess.PIPE)
def run_opt_test(wast):
# check optimization validation
cmd = shared.WASM_OPT + [wast, '-O', '-all']
support.run_command(cmd)
def check_expected(actual, expected):
if expected and os.path.exists(expected):
expected = open(expected).read()
# fix it up, our pretty (i32.const 83) must become compared to a homely 83 : i32
def fix_expected(x):
x = x.strip()
if not x:
return x
v, t = x.split(' : ')
if v.endswith('.'):
v = v[:-1] # remove trailing '.'
return '(' + t + '.const ' + v + ')'
def fix_actual(x):
if '[trap ' in x:
return ''
return x
expected = '\n'.join(map(fix_expected, expected.split('\n')))
actual = '\n'.join(map(fix_actual, actual.split('\n')))
print(' (using expected output)')
actual = actual.strip()
expected = expected.strip()
if actual != expected:
shared.fail(actual, expected)
expected = os.path.join(shared.get_test_dir('spec'), 'expected-output',
os.path.basename(wast) + '.log')
# some spec tests should fail (actual process failure, not just assert_invalid)
try:
actual = run_spec_test(wast)
except Exception as e:
if ('wasm-validator error' in str(e) or 'parse exception'
in str(e)) and '.fail.' in os.path.basename(wast):
print('<< test failed as expected >>')
continue # don't try all the binary format stuff TODO
else:
shared.fail_with_error(str(e))
check_expected(actual, expected)
# skip binary checks for tests that reuse previous modules by name, as that's a wast-only feature
if os.path.basename(wast) in ['exports.wast']: # FIXME
continue
# we must ignore some binary format splits
splits_to_skip = {'func.wast': [2], 'return.wast': [2]}
# check binary format. here we can verify execution of the final
# result, no need for an output verification
# some wast files cannot be split:
# * comments.wast: contains characters that are not valid utf-8,
# so our string splitting code fails there
if os.path.basename(wast) not in ['comments.wast']:
split_num = 0
actual = ''
for module, asserts in support.split_wast(wast):
skip = splits_to_skip.get(os.path.basename(wast)) or []
if split_num in skip:
print(' skipping split module', split_num - 1)
split_num += 1
continue
print(' testing split module', split_num)
split_num += 1
support.write_wast('split.wast', module, asserts)
run_spec_test(
'split.wast'
) # before binary stuff - just check it's still ok split out
run_opt_test('split.wast'
) # also that our optimizer doesn't break on it
result_wast = shared.binary_format_check(
'split.wast',
verify_final_result=False,
original_wast=wast)
# add the asserts, and verify that the test still passes
open(result_wast, 'a').write('\n' + '\n'.join(asserts))
actual += run_spec_test(result_wast)
# compare all the outputs to the expected output
check_expected(
actual,
os.path.join(shared.get_test_dir('spec'), 'expected-output',
os.path.basename(wast) + '.log'))
else:
# handle unsplittable wast files
run_spec_test(wast)
