Before:
  Save g:ale_c_astyle_executable
  Save g:ale_c_astyle_project_options

  " Use an invalid global executable, so we don't match it.
  let g:ale_c_astyle_executable = 'xxxinvalid'
  let g:ale_cpp_astyle_executable = 'invalidpp'

  call ale#test#SetDirectory('/testplugin/test/fixers')

After:
  Restore

  call ale#test#RestoreDirectory()

Execute(The astyle callback should return the correct default values):
  call ale#test#SetFilename('../c_files/testfile.c')

  AssertEqual
  \ {
  \   'command': ale#Escape(g:ale_c_astyle_executable)
  \     . ' --stdin='
  \ },
  \ ale#fixers#astyle#Fix(bufnr(''))

Execute(The astyle callback should support cpp files):
  call ale#test#SetFilename('../cpp_files/dummy.cpp')
  set filetype=cpp " The test fails without this

  AssertEqual
  \ {
  \   'command': ale#Escape(g:ale_cpp_astyle_executable)
  \     . ' --stdin='
  \ },
  \ ale#fixers#astyle#Fix(bufnr(''))

Execute(The astyle callback should support cpp files with option file set):
  call ale#test#SetFilename('../cpp_files/dummy.cpp')
  let g:ale_cpp_astyle_project_options = '.astylerc_cpp'
  set filetype=cpp " The test fails without this

  AssertEqual
  \ {
  \   'command': ale#Escape('invalidpp')
  \     . ' --project=' . g:ale_cpp_astyle_project_options
  \     . ' --stdin='
  \ },
  \ ale#fixers#astyle#Fix(bufnr(''))

Execute(The astyle callback should return the correct default values with an option file set):
  call ale#test#SetFilename('../c_files/testfile.c')
  let g:ale_c_astyle_project_options = '.astylerc'

  AssertEqual
  \ {
  \   'command': ale#Escape('xxxinvalid')
  \     . ' --project=' . g:ale_c_astyle_project_options
  \     . ' --stdin='
  \ },
  \ ale#fixers#astyle#Fix(bufnr(''))