Mercurial > octave
view test/nest/nest.tst @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
children | bd51beb6205e |
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## Copyright (C) 2006-2020 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this distribution ## or <https://octave.org/COPYRIGHT.html/>. ## ## ## 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/>. ################################################################################ ## This file actually executes the tests on nested functions. ## ## It relies on the function files defined in the nest/ directory. ################################################################################ %!test %! assert (recursive_nest (), 25) %! clear -global recursive_nest_inc; # cleanup after test %!assert (recursive_nest2 (), 20) %!assert (recursive_nest3 (), 5) %!assert (script_nest (), 5) %!assert (arg_ret (), 10) %!assert (arg_nest, 1) %!assert (varg_nest (-1), 6) %!assert (varg_nest2, 5) %!test %! scope0; %!test %! scope1 (1); %!test %! scope3; %!assert (nest_eval ("x = 5;", "x = 6;"), 6) %!error <can not add variable "y" to a static workspace> %! nest_eval ("x = 5;", "y = 6;"); %!error <can not add variable "y" to a static workspace> %! nest_eval ("x = -5; x = abs (x);", "y = 6;") %!test %! f = no_closure (0); %! assert (f("foo"), "nested foo"); %! assert (f("foo"), "nested foo"); %!test <*39257> %! f = no_closure (1); %! assert (f(), "nested"); %! assert (f("foo"), "nested foo"); %!error <D' undefined near line 7> scope2 %!error <can not add variable "y" to a static workspace> nest_eval ("y = 5;", "") %!error <can not add variable "y" to a static workspace> nest_eval ("y;", "") ## Test the way that non-local variables referenced by nested functions ## work with function handles. ## FH1 and FH2 were created separately so will have distinct ## closure contexts.handles, FH3 is a copy of FH2 so they will ## share the same context. %!test <*39257> %! fh1 = nst1 (13); %! fh2 = nst1 (13); %! fh3 = fh2; %! %! assert (fh1 (), 13); %! assert (fh2 (), 13); %! assert (fh3 (), 13); %! %! assert (fh1 (42), 42); %! assert (fh2 (), 13); %! assert (fh3 (), 13); %! %! assert (fh2 (pi), pi); %! assert (fh1 (), 42); %! assert (fh3 (), pi); ## Similar to the test above, but with persistent variables. These are ## stored in the function, not the closure context, so are shared among ## all handles whether they are created separately or copied. %!test %! fh1 = nst2 (13); %! fh2 = nst2 (13); %! fh3 = fh2; %! %! assert (fh1 (), 13); %! assert (fh2 (), 13); %! assert (fh3 (), 13); %! %! assert (fh1 (42), 42); %! assert (fh2 (), 42); %! assert (fh3 (), 42); %! %! assert (fh2 (pi), pi); %! assert (fh1 (), pi); %! assert (fh3 (), pi); ## And again with global variables. %!test %! fh1 = nst3 (13); %! fh2 = nst3 (13); %! fh3 = fh2; %! %! assert (fh1 (), 13); %! assert (fh2 (), 13); %! assert (fh3 (), 13); %! %! assert (fh1 (42), 42); %! assert (fh2 (), 42); %! assert (fh3 (), 42); %! %! assert (fh2 (pi), pi); %! assert (fh1 (), pi); %! assert (fh3 (), pi); %! %! clear -global g; # cleanup after tests ## Test case from <https://stackoverflow.com/q/26238491/6579744> %!test %! f1 = counter (); %! f2 = counter (); %! observed = [f1(), f1(), f2(), f1(), f2()]; %! assert (observed, [1, 2, 1, 3, 2]);