## Copyright (C) 2009-2013 Dynare Team
##
## This file is part of Dynare.
##
## Dynare 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.
##
## Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.

## Implementation notes:
##
## Before every call to Dynare, the contents of the workspace is saved in
## 'wsOct', and reloaded after Dynare has finished (this is necessary since
## Dynare does a 'clear -all').

top_test_dir = getenv('TOP_TEST_DIR');
addpath(top_test_dir);
addpath([top_test_dir filesep '..' filesep 'matlab']);

## Test Dynare Version
if !strcmp(dynare_version(), getenv("DYNARE_VERSION"))
    error("Incorrect version of Dynare is being tested")
endif

## Ask gnuplot to create graphics in text mode
## Note that setenv() was introduced in Octave 3.0.2, for compatibility
## with MATLAB
putenv("GNUTERM", "dumb")

## Test block_bytecode/ls2003.mod with various combinations of
## block/bytecode/solve_algo/stack_solve_algo
failedBlock = {};
num_block_tests = 0;
cd([top_test_dir filesep 'block_bytecode']);
for blockFlag = 0:1
    for bytecodeFlag = 0:1
        ## Recall that solve_algo=7 and stack_solve_algo=2 are not supported
        ## under Octave
        default_solve_algo = 2;
        default_stack_solve_algo = 0;
        if !blockFlag && !bytecodeFlag
            solve_algos = 0:4;
            stack_solve_algos = [0 6];
        elseif blockFlag && !bytecodeFlag
            solve_algos = [0:4 6 8];
            stack_solve_algos = [0 1 3 4];
        else
            solve_algos = [0:6 8];
            stack_solve_algos = [0 1 3:5];
        endif

        sleep(1) # Workaround for strange race condition related to the _static.m file

        for i = 1:length(solve_algos)
            num_block_tests = num_block_tests + 1;
            if !blockFlag && !bytecodeFlag && (i == 1)
                ## This is the reference simulation path against which all
                ## other simulations will be tested
                try
                    old_path = path;
                    save wsOct
                    run_ls2003(blockFlag, bytecodeFlag, solve_algos(i), default_stack_solve_algo)
                    load wsOct
                    path(old_path);
                    y_ref = oo_.endo_simul;
                    save('test.mat','y_ref');
                catch
                    load wsOct
                    path(old_path);
                    failedBlock{size(failedBlock,2)+1} = ['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(solve_algos(i)) ',' num2str(default_stack_solve_algo) ')'];
                    printMakeCheckOctaveErrMsg(['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(solve_algos(i)) ',' num2str(default_stack_solve_algo) ')'], lasterror);
                end_try_catch
            else
                try
                    old_path = path;
                    save wsOct
                    run_ls2003(blockFlag, bytecodeFlag, solve_algos(i), default_stack_solve_algo)
                    load wsOct
                    path(old_path);
                    ## Test against the reference simulation path
                    load('test.mat','y_ref');
                    diff = oo_.endo_simul - y_ref;
                    if(abs(diff) > options_.dynatol.x)
                        failedBlock{size(failedBlock,2)+1} = ['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(solve_algos(i)) ',' num2str(default_stack_solve_algo) ')'];
                        differr.message = ["ERROR: simulation path differs from the reference path" ];
                        printMakeCheckOctaveErrMsg(['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(solve_algos(i)) ',' num2str(default_stack_solve_algo) ')'], differr);
                    endif
                catch
                    load wsOct
                    e = lasterror(); # The path() command alters the lasterror, because of io package
                    path(old_path);
                    lasterror(e);
                    failedBlock{size(failedBlock,2)+1} = ['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(solve_algos(i)) ',' num2str(default_stack_solve_algo) ')'];
                    printMakeCheckOctaveErrMsg(['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(solve_algos(i)) ',' num2str(default_stack_solve_algo) ')'], lasterror);
                end_try_catch
            endif
        endfor
        for i = 1:length(stack_solve_algos)
            num_block_tests = num_block_tests + 1;
            try
                old_path = path;
                save wsOct
                run_ls2003(blockFlag, bytecodeFlag, default_solve_algo, stack_solve_algos(i))
                load wsOct
                path(old_path);
                ## Test against the reference simulation path
                load('test.mat','y_ref');
                diff = oo_.endo_simul - y_ref;
                if(abs(diff) > options_.dynatol.x)
                    failedBlock{size(failedBlock,2)+1} = ['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(default_solve_algo) ',' num2str(stack_solve_algos(i)) ')'];
                    differr.message = ["ERROR: simulation path differs from the reference path" ];
                    printMakeCheckOctaveErrMsg(['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(default_solve_algo) ',' num2str(stack_solve_algos(i)) ')'], differr);
                endif
            catch
                load wsOct
                e = lasterror(); # The path() command alters the lasterror, because of io package
                path(old_path);
                lasterror(e);
                failedBlock{size(failedBlock,2)+1} = ['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(default_solve_algo) ',' num2str(stack_solve_algos(i)) ')'];
                printMakeCheckOctaveErrMsg(['block_bytecode' filesep 'run_ls2003.m(' num2str(blockFlag) ',' num2str(bytecodeFlag) ',' num2str(default_solve_algo) ',' num2str(stack_solve_algos(i)) ')'], lasterror);
            end_try_catch
        endfor
    endfor
endfor
delete('wsOct');

cd(getenv('TOP_TEST_DIR'));
fid = fopen('run_block_byte_tests_octave.o.trs', 'w+');
if size(failedBlock,2) > 0
  fprintf(fid,':test-result: FAIL\n');
  fprintf(fid,':number-tests: %d\n', num_block_tests);
  fprintf(fid,':number-failed-tests: %d\n', size(failedBlock,2));
  fprintf(fid,':list-of-failed-tests: %s\n', failedBlock{:});
else
  fprintf(fid,':test-result: PASS\n');
  fprintf(fid,':number-tests: %d\n', num_block_tests);
  fprintf(fid,':number-failed-tests: 0\n');
end
fclose(fid);
## Local variables:
## mode: Octave
## End:
