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#!/usr/bin/env python
#
# Copyright 2016 WebAssembly Community Group participants
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# 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 support import run_command
from shared import (
WASM2JS, MOZJS, NODEJS, fail_if_not_identical, options, tests,
fail_if_not_identical_to_file
)
# tests with i64s, invokes, etc.
spec_dir = os.path.join(options.binaryen_test, 'spec')
spec_tests = [os.path.join(spec_dir, t)
for t in sorted(os.listdir(spec_dir))
if '.fail' not in t]
wasm2js_dir = os.path.join(options.binaryen_test, 'wasm2js')
extra_wasm2js_tests = [os.path.join(wasm2js_dir, t) for t in
sorted(os.listdir(wasm2js_dir))]
assert_tests = ['wasm2js.wast.asserts']
# These tests exercise functionality not supported by wasm2js
wasm2js_blacklist = ['empty_imported_table.wast']
def test_wasm2js_output():
for wasm in tests + spec_tests + extra_wasm2js_tests:
if not wasm.endswith('.wast'):
continue
basename = os.path.basename(wasm)
if basename in wasm2js_blacklist:
continue
asm = basename.replace('.wast', '.2asm.js')
expected_file = os.path.join(wasm2js_dir, asm)
if not os.path.exists(expected_file):
continue
print '..', wasm
cmd = WASM2JS + [os.path.join(options.binaryen_test, wasm)]
out = run_command(cmd)
fail_if_not_identical_to_file(out, expected_file)
if not NODEJS and not MOZJS:
print 'No JS interpreters. Skipping spec tests.'
continue
open('a.2asm.mjs', 'w').write(out)
cmd += ['--allow-asserts']
out = run_command(cmd)
open('a.2asm.asserts.mjs', 'w').write(out)
# verify asm.js is valid js, note that we're using --experimental-modules
# to enable ESM syntax and we're also passing a custom loader to handle the
# `spectest` module in our tests.
if NODEJS:
node = [NODEJS, '--experimental-modules', '--loader', './scripts/test/node-esm-loader.mjs']
cmd = node[:]
cmd.append('a.2asm.mjs')
out = run_command(cmd)
fail_if_not_identical(out, '')
cmd = node[:]
cmd.append('a.2asm.asserts.mjs')
out = run_command(cmd, expected_err='', err_ignore='The ESM module loader is experimental')
fail_if_not_identical(out, '')
def test_asserts_output():
for wasm in assert_tests:
print '..', wasm
asserts = os.path.basename(wasm).replace('.wast.asserts', '.asserts.js')
traps = os.path.basename(wasm).replace('.wast.asserts', '.traps.js')
asserts_expected_file = os.path.join(options.binaryen_test, asserts)
traps_expected_file = os.path.join(options.binaryen_test, traps)
wasm = os.path.join(wasm2js_dir, wasm)
cmd = WASM2JS + [wasm, '--allow-asserts']
out = run_command(cmd)
fail_if_not_identical_to_file(out, asserts_expected_file)
cmd += ['--pedantic']
out = run_command(cmd)
fail_if_not_identical_to_file(out, traps_expected_file)
def test_wasm2js():
print '\n[ checking wasm2js testcases... ]\n'
test_wasm2js_output()
test_asserts_output()
if __name__ == "__main__":
test_wasm2js()
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