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changeset 17448:93d2239b7fe9

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waitforbuttonpress.m: Change return value 'a' to 'b' to match documentation. * scripts/plot/waitforbuttonpress.m: Change return value 'a' to 'b' to match documentation. Add %!error tests for input validation.
author Rik <rik@octave.org>
date Thu, 19 Sep 2013 14:40:45 -0700
parents 359366a4994f
children 9e1ef7d2d21c
files scripts/plot/waitforbuttonpress.m
diffstat 1 files changed, 9 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/plot/waitforbuttonpress.m	Thu Sep 19 14:26:47 2013 -0700
+++ b/scripts/plot/waitforbuttonpress.m	Thu Sep 19 14:40:45 2013 -0700
@@ -18,7 +18,7 @@
 
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {} waitforbuttonpress ()
-## @deftypefnx {Function File} {@var{b} =} waitforbuttonpress ()
+## @deftypefnx {Function File} {@var{a} =} waitforbuttonpress ()
 ## Wait for mouse click or key press over the current figure window.
 ##
 ## The return value of @var{b} is 0 if a mouse button was pressed or 1 if a
@@ -30,7 +30,7 @@
 ## Author: Petr Mikulik
 ## License: public domain
 
-function a = waitforbuttonpress ()
+function b = waitforbuttonpress ()
 
   if (nargin != 0 || nargout > 1)
     print_usage ();
@@ -40,11 +40,16 @@
 
   if (nargout == 1)
     if (k <= 5)
-      a = 0;
+      b = 0;
     else
-      a = 1;
+      b = 1;
     endif
   endif
 
 endfunction
 
+
+%% Test input validation
+%!error waitforbuttonpress (1)
+%!error [a,b,c] = waitforbuttonpress ()
+