Initial commit for version 1.0.0

brlaser-master/test/test_block.cc

@@ -0,0 +1,91 @@
+// 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);
+}