Before:
  runtime ale_linters/java/javac.vim
  call ale#engine#InitBufferInfo(bufnr(''))

After:
  call ale#linter#Reset()
  " We need to clean up the buffer to remove the temporary directories created
  " for the command.
  call ale#cleanup#Buffer(bufnr(''))
  let g:ale_java_javac_options = ''
  let g:ale_java_javac_classpath = ''

Execute(The javac callback should return the correct default value):
  let b:command = ale_linters#java#javac#GetCommand(bufnr(''))

  Assert match(b:command, '\v^javac +-Xlint +-d +/tmp/[0-9a-zA-Z/]+ +\%t$') >= 0,
  \ 'Invalid command string: ' . b:command

Execute(The javac callback should use g:ale_java_javac_classpath correctly):
  let g:ale_java_javac_classpath = 'foo.jar'

  let b:command = ale_linters#java#javac#GetCommand(bufnr(''))

  Assert match(b:command, '\v^javac +-Xlint -cp foo\.jar +-d +/tmp/[0-9a-zA-Z/]+ +\%t$') >= 0,
  \ 'Invalid command string: ' . b:command

Execute(The javac callback should use g:ale_java_javac_options correctly):
  let g:ale_java_javac_options = '--anything --else'

  let b:command = ale_linters#java#javac#GetCommand(bufnr(''))

  Assert match(b:command, '\v^javac +-Xlint +-d +/tmp/[0-9a-zA-Z/]+ --anything --else +\%t$') >= 0,
  \ 'Invalid command string: ' . b:command