Mercurial > octave-libtiff
view test/null-assign.tst @ 31204:86d7c1be75dd
__tiff_isa__: implemented an "isa" function using Tiff interface
* scripts/image/private/__tiff_isa__.m: implemented an "isa" function
to be used for imformats, using the Tiff interface and independant of
GraphicsMagick.
* scripts/image/module.mk: added entry for the new function file.
author | magedrifaat <magedrifaat@gmail.com> |
---|---|
date | Sat, 03 Sep 2022 19:49:43 +0200 |
parents | 796f54d4ddbf |
children |
line wrap: on
line source
######################################################################## ## ## Copyright (C) 2008-2022 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## 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 ## <https://www.gnu.org/licenses/>. ## ######################################################################## %!test %! a = 1:3; a(:) = []; assert (size (a), [0, 0]); %!test %! a = 1:3; a(1:3) = []; assert (size (a), [1, 0]); %!test %! a = (1:3).'; a(1:3) = []; assert (size (a), [0, 1]); %!test %! a = ones (3); a(:,:) = []; assert (size (a), [0, 3]); %!test %! a = ones (3); a(1:3,:) = []; assert (size (a), [0, 3]); %!test %! a = ones (3); a(:,1:3) = []; assert (size (a), [3, 0]); %!test %! a = ones (3); fail ("a(1:2,1:2) = []", ".*"); %!test %! a = ones (3); fail ("a(1:3,1:3) = []", ".*"); ## null strings should delete. [,] and [;] should delete. %!test %! a = ones (3); a(1:2,:) = [,]; assert (size (a), [1,3]); %!test %! a = ones (3); a(1:2,:) = [;]; assert (size (a), [1,3]); %!test %! a = ones (3); a(1:2,:) = ''; assert (size (a), [1,3]); %!test %! a = ones (3); a(1:2,:) = ""; assert (size (a), [1,3]); ## null matrix stored anywhere should lose its special status %!test %! a = ones (3); b = []; fail ("a(:,1:3) = b", "."); %!test %! a = ones (3); b{1} = []; fail ("a(:,1:3) = b{1}", "."); %!test %! a = ones (3); b.x = []; fail ("a(:,1:3) = b.x", "."); ## filtering a null matrix through a function should not delete %!test %! a = ones (3); fail ("a(:,1:3) = double ([])"); ## for compatibility with Matlab, subsasgn allows any 0x0 double array ## but not other empty arrays (bug #48867) %!test %! a = ones (3); %! a = subsasgn (a, substruct ('()', {':',1:2}), []); %! assert (size (a), [3,1]); %!test %! a = ones (3); b = zeros (0, 0); %! a = subsasgn (a, substruct ('()', {':',1:2}), b); %! assert (size (a), [3,1]); %!test %! a = ones (3); b = zeros (0, 0, 2); %! fail ("subsasgn (a, substruct ('()', {':',1:2}), b)", "."); %!test %! a = ones (3); b = zeros (0, 0, "uint8"); %! fail ("subsasgn (a, substruct ('()', {':',1:2}), b)", "."); %!test %! classes = {@int8, @int16, @int32, @int64, ... %! @uint8, @uint16, @uint32, @uint64, ... %! @single, @double, @logical}; %! for i = 1:numel (classes) %! cls = classes{i}; %! x = cls ([1, 2, 3]); %! cls_nm = class (x); %! x(2) = []; %! assert (x, cls ([1, 3])); %! assert (class (x), cls_nm); %! x(2) = []; %! assert (x, cls (1)); %! assert (class (x), cls_nm); %! x(1) = []; %! assert (x, cls (zeros (1, 0))); %! assert (class (x), cls_nm); %! endfor %! for i = 1:numel (classes) %! cls = classes{i}; %! x = cls ([1, 2, 3]); %! cls_nm = class (x); %! x(2) = ''; %! assert (x, cls ([1, 3])); %! assert (class (x), cls_nm); %! x(2) = ''; %! assert (x, cls (1)); %! assert (class (x), cls_nm); %! x(1) = ''; %! assert (x, cls (zeros (1, 0))); %! assert (class (x), cls_nm); %! endfor %! for i = 1:numel (classes) %! cls = classes{i}; %! x = cls ([1, 2, 3]); %! cls_nm = class (x); %! x(2) = ""; %! assert (x, cls ([1, 3])); %! assert (class (x), cls_nm); %! x(2) = ""; %! assert (x, cls (1)); %! assert (class (x), cls_nm); %! x(1) = ""; %! assert (x, cls (zeros (1, 0))); %! assert (class (x), cls_nm); %! endfor