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%!function lineno = test_conditional_lines (type)
%!  lineno = -42;
%!  warning ("error", "Octave:possible-matlab-short-circuit-operator", "local");
%!  try
%!    switch (type)
%!      case "while"
%!        k = 0;
%!        while (k < 2 & true)  ## line 8
%!          k++;
%!        endwhile
%!      case "until"
%!        k = 0;
%!        do
%!          k++;
%!        until (k > 2 & true);  ## line 15, but see below...
%!      case "if"
%!        k = 2;
%!        if (k < 2 & true)  ## line 18
%!        endif
%!      case "elseif"
%!        k = 2;
%!        if (false)
%!        elseif (k < 2 & true)  ## line 23
%!        endif
%!    endswitch
%!  catch (ex)
%!    lineno = ex.stack(1).line;
%!  end_try_catch
%!endfunction

%!assert<*61201> (test_conditional_lines ("while"), 8)

%!assert<*61201> (test_conditional_lines ("if"), 18)

%!assert<*61201> (test_conditional_lines ("elseif"), 23)

## Because the DO-UNTIL statement is not part of Matlab it is not
## eligible for Matlab-style short-circuit behavior in Octave.
%!assert<*61201> (test_conditional_lines ("until"), -42)