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#!/usr/bin/env python

# Copyright 2017 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 (
    fail, fail_with_error, files_with_pattern, options,
    WASM_LINK_METADATA, WASM_EMSCRIPTEN_FINALIZE
)


def test_wasm_link_metadata():
  print '\n[ checking wasm-link-metadata testcases... ]\n'

  for obj_path in files_with_pattern(options.binaryen_test, 'lld', '*.o'):
    print '..', obj_path
    expected_file = obj_path.replace('.o', '.json')

    cmd = WASM_LINK_METADATA + [obj_path]
    actual = run_command(cmd)

    if not os.path.exists(expected_file):
      print actual
      fail_with_error('output ' + expected_file + ' does not exist')
    expected = open(expected_file, 'rb').read()
    if actual != expected:
      fail(actual, expected)


def test_wasm_emscripten_finalize():
  print '\n[ checking wasm-emscripten-finalize testcases... ]\n'

  for wast_path in files_with_pattern(options.binaryen_test, 'lld', '*.wast'):
    print '..', wast_path
    expected_file = wast_path + '.out'
    cmd = WASM_EMSCRIPTEN_FINALIZE + [wast_path, '-S']
    actual = run_command(cmd)

    if not os.path.exists(expected_file):
      print actual
      fail_with_error('output ' + expected_file + ' does not exist')
    expected = open(expected_file, 'rb').read()
    if actual != expected:
      fail(actual, expected)


if __name__ == '__main__':
  test_wasm_link_metadata()
  test_wasm_emscripten_finalize()