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#!/usr/bin/env python
import os, sys, subprocess, difflib, json
interpreter = None
requested = []
for arg in sys.argv[1:]:
if arg.startswith('--interpreter='):
interpreter = arg.split('=')[1]
print '[ using wasm interpreter at "%s" ]' % interpreter
assert os.path.exists(interpreter), 'interpreter not found'
else:
requested.append(arg)
def fail(actual, expected):
raise Exception("incorrect output, diff:\n\n%s" % (
''.join([a.rstrip()+'\n' for a in difflib.unified_diff(expected.split('\n'), actual.split('\n'), fromfile='expected', tofile='actual')])
))
def fail_if_not_identical(actual, expected):
if expected != actual:
fail(actual, expected)
def fail_if_not_contained(actual, expected):
if expected not in actual:
fail(actual, expected)
if not interpreter:
print '[ no wasm interpreter provided, you should pass one as --interpreter=path/to/interpreter ]'
print '[ checking asm2wasm testcases... ]\n'
if len(requested) == 0:
tests = sorted(os.listdir('test'))
else:
tests = requested[:]
for asm in tests:
if asm.endswith('.asm.js'):
print '..', asm
wasm = asm.replace('.asm.js', '.wast')
actual, err = subprocess.Popen([os.path.join('bin', 'asm2wasm'), os.path.join('test', asm)], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
assert err == '', 'bad err:' + err
# verify output
if not os.path.exists(os.path.join('test', wasm)):
print actual
raise Exception('output .wast file does not exist')
expected = open(os.path.join('test', wasm)).read()
if actual != expected:
fail(actual, expected)
# verify in wasm
if interpreter:
proc = subprocess.Popen([interpreter, os.path.join('test', wasm)], 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 = expected.split('\n')
print
print '='*80
print lines[start_line-1]
print (' '*(start_col-1)) + '^'
print (' '*(start_col-1)) + '|'
print '='*80
print err
except Exception, e:
raise Exception('wasm interpreter error: ' + err) # failed to pretty-print
raise Exception('wasm interpreter error')
print '\n[ checking binaryen-shell... ]\n'
actual, err = subprocess.Popen([os.path.join('bin', 'binaryen-shell'), '--help'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
fail_if_not_contained(actual, 'binaryen shell')
fail_if_not_contained(actual, 'options:')
fail_if_not_contained(actual, 'passes:')
fail_if_not_contained(actual, ' -lower-if-else')
print ' '.join([os.path.join('bin', 'binaryen-shell'), '-print-before', '-print-after', '-lower-if-else', os.path.join('test', 'if_else.wast')])
actual, err = subprocess.Popen([os.path.join('bin', 'binaryen-shell'), '-print-before', '-print-after', '-lower-if-else', os.path.join('test', 'if_else.wast')], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
fail_if_not_identical(actual, open(os.path.join('test', 'if_else.txt')).read())
print '\n[ checking binaryen-shell testcases... ]\n'
for t in tests:
if t.endswith('.wast') and not t.startswith('spec'):
print '..', t
t = os.path.join('test', t)
actual, err = subprocess.Popen([os.path.join('bin', 'binaryen-shell'), t, '-print-before'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
assert err == '', 'bad err:' + err
expected = open(t).read()
if actual != expected:
fail(actual, expected)
print '\n[ checking binaryen-shell spec testcases... ]\n'
if len(requested) == 0:
BLACKLIST = []
spec_tests = [os.path.join('spec', t) for t in sorted(os.listdir(os.path.join('test', 'spec'))) if t not in BLACKLIST]
else:
spec_tests = requested[:]
for t in spec_tests:
if t.startswith('spec') and t.endswith('.wast'):
print '..', t
wast = os.path.join('test', t)
proc = subprocess.Popen([os.path.join('bin', 'binaryen-shell'), wast], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
actual, err = proc.communicate()
assert proc.returncode == 0, err
expected = os.path.join('test', 'spec', 'expected-output', os.path.basename(wast) + '.log')
if 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(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 + ')'
expected = '\n'.join(map(fix, expected.split('\n')))
print ' (using expected output)'
else:
continue
actual = actual.strip()
expected = expected.strip()
if actual != expected:
fail(actual, expected)
print '\n[ checking example testcases... ]\n'
subprocess.check_call(['g++', '-std=c++11', os.path.join('test', 'example', 'find_div0s.cpp'), '-Isrc', '-g'])
actual = subprocess.Popen(['./a.out'], stdout=subprocess.PIPE).communicate()[0]
expected = open(os.path.join('test', 'example', 'find_div0s.txt')).read()
if actual != expected:
fail(actual, expected)
print '\n[ checking wasm.js polyfill testcases... (need both emcc and nodejs in your path) ]\n'
for c in tests:
if c.endswith(('.c', '.cpp')):
print '..', c
base = c.replace('.cpp', '').replace('.c', '')
post = base + '.post.js'
try:
post = open(os.path.join('test', post)).read()
except:
post = None
expected = open(os.path.join('test', base + '.txt')).read()
emcc = os.path.join('test', base + '.emcc')
extra = []
if os.path.exists(emcc):
extra = json.loads(open(emcc).read())
if os.path.exists('a.normal.js'): os.unlink('a.normal.js')
for opts in [[], ['-O1'], ['-O2'], ['-O3'], ['-Oz']]:
command = ['./emcc_to_wasm.js.sh', os.path.join('test', c)] + opts + extra
subprocess.check_call(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
print '....' + ' '.join(command)
if post:
open('a.normal.js', 'a').write(post)
open('a.wasm.js', 'a').write(post)
else:
print ' (no post)'
for which in ['normal', 'wasm']:
print '......', which
try:
args = json.loads(open(os.path.join('test', base + '.args')).read())
except:
args = []
print ' (no args)'
proc = subprocess.Popen(['nodejs', 'a.' + which + '.js'] + args, stdout=subprocess.PIPE)
out, err = proc.communicate()
assert proc.returncode == 0
if out.strip() != expected.strip():
fail(out, expected)
print '\n[ success! ]'
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