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import os
from scripts.test import shared
from . import utils
class FeatureValidationTest(utils.BinaryenTestCase):
def check_feature(self, module, error, flag):
p = shared.run_process(shared.WASM_OPT +
['--mvp-features', '--print', '-o', os.devnull],
input=module, check=False, capture_output=True)
self.assertIn(error, p.stderr)
self.assertIn('Fatal: error in validating input', p.stderr)
self.assertNotEqual(p.returncode, 0)
p = shared.run_process(shared.WASM_OPT +
['--mvp-features', flag, '--print', '-o',
os.devnull],
input=module, check=False, capture_output=True)
self.assertEqual(p.returncode, 0)
def check_simd(self, module, error):
self.check_feature(module, error, '--enable-simd')
def check_sign_ext(self, module, error):
self.check_feature(module, error, '--enable-sign-ext')
def check_bulk_mem(self, module, error):
self.check_feature(module, error, '--enable-bulk-memory')
def check_exception_handling(self, module, error):
self.check_feature(module, error, '--enable-exception-handling')
def check_tail_call(self, module, error):
self.check_feature(module, error, '--enable-tail-call')
def check_reference_types(self, module, error):
self.check_feature(module, error, '--enable-reference-types')
def test_v128_signature(self):
module = '''
(module
(func $foo (param $0 v128) (result v128)
(local.get $0)
)
)
'''
self.check_simd(module, 'all used types should be allowed')
def test_v128_global(self):
module = '''
(module
(global $foo (mut v128) (v128.const i32x4 0 0 0 0))
)
'''
self.check_simd(module, 'all used types should be allowed')
def test_v128_local(self):
module = '''
(module
(func $foo
(local v128)
)
)
'''
self.check_simd(module, 'all used types should be allowed')
def test_simd_const(self):
module = '''
(module
(func $foo
(drop (v128.const i32x4 0 0 0 0))
)
)
'''
self.check_simd(module, 'all used features should be allowed')
def test_simd_load(self):
module = '''
(module
(memory 1 1)
(func $foo
(drop (v128.load (i32.const 0)))
)
)
'''
self.check_simd(module, 'SIMD operation (SIMD is disabled)')
def test_simd_splat(self):
module = '''
(module
(func $foo
(drop (i32x4.splat (i32.const 0)))
)
)
'''
self.check_simd(module, 'all used features should be allowed')
def test_sign_ext(self):
module = '''
(module
(func $foo
(drop (i32.extend8_s (i32.const 7)))
)
)
'''
self.check_sign_ext(module, 'all used features should be allowed')
def test_bulk_mem_inst(self):
module = '''
(module
(memory 1 1)
(func $foo
(memory.copy (i32.const 0) (i32.const 8) (i32.const 8))
)
)
'''
self.check_bulk_mem(module,
'Bulk memory operation (bulk memory is disabled')
def test_bulk_mem_segment(self):
module = '''
(module
(memory 256 256)
(data passive "42")
)
'''
self.check_bulk_mem(module, 'nonzero segment flags (bulk memory is disabled)')
def test_tail_call(self):
module = '''
(module
(func $bar)
(func $foo
(return_call $bar)
)
)
'''
self.check_tail_call(module, 'return_call requires tail calls to be enabled')
def test_tail_call_indirect(self):
module = '''
(module
(type $T (func))
(table $0 1 1 funcref)
(func $foo
(return_call_indirect (type $T)
(i32.const 0)
)
)
)
'''
self.check_tail_call(module, 'return_call_indirect requires tail calls to be enabled')
def test_reference_types_anyref(self):
module = '''
(module
(import "env" "test1" (func $test1 (param anyref) (result anyref)))
(import "env" "test2" (global $test2 anyref))
(export "test1" (func $test1 (param anyref) (result anyref)))
(export "test2" (global $test2))
(func $anyref_test (param $0 anyref) (result anyref)
(return
(call $test1
(local.get $0)
)
)
)
)
'''
self.check_reference_types(module, 'all used types should be allowed')
def test_exnref_local(self):
module = '''
(module
(func $foo
(local exnref)
)
)
'''
self.check_exception_handling(module, 'all used types should be allowed')
def test_event(self):
module = '''
(module
(event $e (attr 0) (param i32))
(func $foo
(throw $e (i32.const 0))
)
)
'''
self.check_exception_handling(module, 'Module has events')
class TargetFeaturesSectionTest(utils.BinaryenTestCase):
def test_atomics(self):
filename = 'atomics_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['threads'])
self.assertIn('i32.atomic.rmw.add', self.disassemble(filename))
def test_bulk_memory(self):
filename = 'bulkmem_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['bulk-memory'])
self.assertIn('memory.copy', self.disassemble(filename))
def test_nontrapping_fptoint(self):
filename = 'truncsat_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['nontrapping-float-to-int'])
self.assertIn('i32.trunc_sat_f32_u', self.disassemble(filename))
def test_mutable_globals(self):
filename = 'mutable_globals_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['mutable-globals'])
self.assertIn('(import "env" "global-mut" (global $gimport$0 (mut i32)))',
self.disassemble(filename))
def test_sign_ext(self):
filename = 'signext_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['sign-ext'])
self.assertIn('i32.extend8_s', self.disassemble(filename))
def test_simd(self):
filename = 'simd_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['simd'])
self.assertIn('i32x4.splat', self.disassemble(filename))
def test_tailcall(self):
filename = 'tail_call_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['tail-call'])
self.assertIn('return_call', self.disassemble(filename))
def test_reference_types(self):
filename = 'reference_types_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['reference-types'])
self.assertIn('anyref', self.disassemble(filename))
def test_exception_handling(self):
filename = 'exception_handling_target_feature.wasm'
self.roundtrip(filename)
self.check_features(filename, ['exception-handling'])
self.assertIn('throw', self.disassemble(filename))
def test_incompatible_features(self):
path = self.input_path('signext_target_feature.wasm')
p = shared.run_process(
shared.WASM_OPT + ['--print', '--enable-simd', '-o', os.devnull,
path],
check=False, capture_output=True
)
self.assertNotEqual(p.returncode, 0)
self.assertIn('Fatal: module features do not match specified features. ' +
'Use --detect-features to resolve.',
p.stderr)
def test_incompatible_features_forced(self):
path = self.input_path('signext_target_feature.wasm')
p = shared.run_process(
shared.WASM_OPT + ['--print', '--detect-features', '-mvp',
'--enable-simd', '-o', os.devnull, path],
check=False, capture_output=True
)
self.assertNotEqual(p.returncode, 0)
self.assertIn('all used features should be allowed', p.stderr)
def test_explicit_detect_features(self):
self.check_features('signext_target_feature.wasm', ['sign-ext', 'simd'],
opts=['-mvp', '--detect-features', '--enable-simd'])
def test_emit_all_features(self):
p = shared.run_process(shared.WASM_OPT +
['--emit-target-features', '-all', '-o', '-'],
input="(module)", check=False,
capture_output=True, decode_output=False)
self.assertEqual(p.returncode, 0)
p2 = shared.run_process(shared.WASM_OPT +
['--print-features', '-o', os.devnull],
input=p.stdout, check=False,
capture_output=True)
self.assertEqual(p2.returncode, 0)
self.assertEqual([
'--enable-threads',
'--enable-bulk-memory',
'--enable-exception-handling',
'--enable-mutable-globals',
'--enable-nontrapping-float-to-int',
'--enable-sign-ext',
'--enable-simd',
'--enable-tail-call',
'--enable-reference-types'
], p2.stdout.split())
|
