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brlaser/test/test_block.cc
2015-01-31 23:13:48 +01:00

92 lines
2.1 KiB
C++

// This file is part of the brlaser printer driver.
//
// Copyright 2014 Peter De Wachter
//
// brlaser 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 2 of the License, or
// (at your option) any later version.
//
// brlaser 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 brlaser. If not, see <http://www.gnu.org/licenses/>.
#include "lest.hpp"
#include <stdint.h>
#include <vector>
#include "tempfile.h"
#include "src/block.h"
typedef std::vector<uint8_t> vec;
const lest::test specification[] = {
"A block is created empty",
[] {
block b;
EXPECT(b.empty());
},
"Adding a line makes a block no longer empty",
[] {
block b;
b.add_line(vec{1});
EXPECT(!b.empty());
},
"A block can contain 128 lines",
[] {
block b;
for (int i = 0; i < 128; ++i) {
EXPECT(b.line_fits(1));
b.add_line(vec(1));
}
EXPECT(!b.line_fits(1));
},
"A block has a size limit of about 16 kilobyte",
[] {
block b;
for (int i = 0; i < 16; ++i) {
EXPECT(b.line_fits(1000));
b.add_line(vec(1000));
}
EXPECT(!b.line_fits(400));
},
"Flushing an empty block does nothing",
[] {
block b;
tempfile f;
b.flush(f.file());
EXPECT(f.data().empty());
},
"Flush() writes the lines to a file with a proper header",
[] {
block b;
for (uint8_t n = 1; n < 6; ++n) {
b.add_line(vec{n, n});
}
tempfile f;
b.flush(f.file());
EXPECT(( f.data() == vec{'1','2','w',0,5,1,1,2,2,3,3,4,4,5,5} ));
},
"After flush() a block is empty again",
[] {
block b;
b.add_line(vec{1});
tempfile f;
b.flush(f.file());
EXPECT(b.empty());
}
};
int main() {
return lest::run(specification);
}