Before:
  Save g:ale_run_synchronously
  Save g:ale_linters
  Save g:ale_history_log_output
  Save g:ale_cpp_gcc_options

  silent! cd /testplugin/test/c_tests

  let g:ale_run_synchronously = 1
  let g:ale_linters = {'c': ['gcc'], 'cpp': ['g++']}
  let g:ale_history_log_output = 1
  let g:ale_cpp_gcc_options = '-Wall'

  function! GetCommandOutput()
    if empty(g:ale_buffer_info[bufnr('')].history)
      return ''
    endif

    return join(g:ale_buffer_info[bufnr('')].history[-1].output, "\n")
  endfunction

After:
  Restore
  delfunction GetCommandOutput
  call ale#linter#Reset()
  call ale#engine#SetResults(bufnr(''), [])
  call ale#cleanup#Buffer(bufnr(''))

Given c (A test C file):
  int main() {
    return 0
  }

Execute(Basic errors should be returned for GCC for C files):
  call ale#Lint()

  AssertEqual
  \ [{'lnum': 3, 'col': 1}],
  \ map(getloclist(0), '{''lnum'': v:val.lnum, ''col'': v:val.col}')

  Assert match(getloclist(0)[0].text, '\v^expected .*;.* before .*\}.* token$') >= 0,
  \ 'Invalid error text: ' .  getloclist(0)[0].text

Given cpp (A test C++ file):
  int main() {
    return 0
  }

Execute(Basic errors should be returned for GCC for C++ files):
  call ale#Lint()

  AssertEqual
  \ [{'lnum': 3, 'col': 1}],
  \ map(getloclist(0), '{''lnum'': v:val.lnum, ''col'': v:val.col}')

  Assert match(getloclist(0)[0].text, '\v^expected .*;.* before .*\}.* token$') >= 0,

Given c (A test C file with a header containing broken code):
  // Some comment line
  #include "broken.h"

  int main() {
    return 0
  }

Execute(Basic errors should be returned for GCC for C files with headers):
  call ale#Lint()

  AssertEqual
  \ [{'lnum': 2, 'col': 0}],
  \ map(getloclist(0), '{''lnum'': v:val.lnum, ''col'': v:val.col}')

  AssertEqual 'Problems were found in the header (See :ALEDetail)', getloclist(0)[0].text

Given cpp (A test C++ file with a header containing broken code):
  // Some comment line
  #include "broken.h"

  int main() {
    return 0
  }

Execute(Basic errors should be returned for GCC for C++ files with headers):
  call ale#Lint()

  AssertEqual
  \ [{'lnum': 2, 'col': 0}],
  \ map(getloclist(0), '{''lnum'': v:val.lnum, ''col'': v:val.col}')

  AssertEqual 'Problems were found in the header (See :ALEDetail)', getloclist(0)[0].text