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#!/usr/bin/env python
import os, sys, subprocess, difflib
interpreter = None
tests = []
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:
tests.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')])
))
if not interpreter:
print '[ no wasm interpreter provided, you should pass one as --interpreter=path/to/interpreter ]'
print '[ checking asm2wasm testcases... ]\n'
if len(tests) == 0:
tests = sorted(os.listdir('test'))
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 emcc_to_polyfill testcases... (need both emcc and nodejs in your path) ]\n'
for c in tests:
if c.endswith('.c'):
print '..', c
post = c.replace('.c', '.post.js')
try:
post = open(os.path.join('test', post)).read()
except:
post = None
expected = open(os.path.join('test', c.replace('.c', '.txt'))).read()
if os.path.exists('a.normal.js'): os.unlink('a.normal.js')
subprocess.check_call(['./emcc_to_polyfill.sh', os.path.join('test', c)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if post:
open('a.normal.js', 'a').write(post)
proc = subprocess.Popen(['nodejs', 'a.normal.js'], 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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