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diff test/colormaps.tst @ 19647:e8e3a89fa370

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Fix colormap functions when N is not of class double (bug #44070) * autumn.m, bone.m, cool.m, copper.m, cubehelix.m, gray.m, hsv.m, ocean.m, rainbow.m, spring.m, summer.m, winter.m: cast N to double since in this colormap functions, N is used directly used in the operations and ends up casting colormap to something else. Note that a colormap MUST be of class double. Also, if N is an integer class, all values in colormap end up 0 or 1. Also simplify code for input checking by declaring default on function signature line. * flag.m, gmap40.m, hot.m, jet.m, lines.m, pink.m, prism.m, white.m: simplify input check like the other colormap functions. * test/colormaps.tst: add new test file to test all colormaps at once. * test/Makefile.am: add new test file to build system. used to create the colormap and if less
author Carnë Draug <carandraug@octave.org>
date Fri, 23 Jan 2015 15:37:56 +0000
parents
children 2099e00b1833
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/colormaps.tst	Fri Jan 23 15:37:56 2015 +0000
@@ -0,0 +1,37 @@
+## Copyright (C) 2015 Carnë Draug
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+%!test
+%! all_colormaps = colormap ("list");
+%!
+%! assert (numel (all_colormaps) > 0)
+%!
+%! for i = 1:numel (all_colormaps)
+%!   f = str2func (all_colormaps{i});
+%!
+%!   assert (iscolormap (f (1)))
+%!   assert (iscolormap (f (12)))
+%!   assert (iscolormap (f (200)))
+%!
+%!   ## bug #44070
+%!   assert (class (f (uint8 (12))), "double")
+%!   assert (iscolormap (f (uint8 (12))))
+%!
+%!   assert (f (0), zeros (0, 3))
+%! endfor
+