#!/usr/bin/env python
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import argparse
import os
import subprocess
import sys

script_dir = os.path.dirname(os.path.realpath(__file__))
tool_dir = os.path.abspath(os.path.join(script_dir, '../../pylib'))
sys.path.insert(0, tool_dir)

from clang import plugin_testing


class ChromeStylePluginTest(plugin_testing.ClangPluginTest):
  """Test harness for the Chrome style plugin."""

  def AdjustClangArguments(self, clang_cmd):
    clang_cmd.extend([
        # Skip code generation
        '-fsyntax-only',
        # Fake system directory for tests
        '-isystem', os.path.join(os.getcwd(), 'system'),
        '-Wno-inconsistent-missing-override',
    ])


def main():
  parser = argparse.ArgumentParser()
  parser.add_argument(
      '--reset-results',
      action='store_true',
      help='If specified, overwrites the expected results in place.')
  parser.add_argument('clang_path', help='The path to the clang binary.')
  parser.add_argument('plugin_path',
                      nargs='?',
                      help='The path to the plugin library, if any.')
  args = parser.parse_args()

  return ChromeStylePluginTest(
      os.path.dirname(os.path.realpath(__file__)),
      args.clang_path,
      args.plugin_path,
      'find-bad-constructs',
      args.reset_results).Run()


if __name__ == '__main__':
  sys.exit(main())