Data

immutable filename = fileId("recycle").fullpath;
filename.forceRemove;

BlockFile.create(filename, "recycle.unittest", SMALL_BLOCK_SIZE);
auto blockfile = BlockFile(filename);
scope (exit) {
    blockfile.close;
}
auto recycler = Recycler(blockfile);

RecycleSegment*[] dispose_segments = [
    new RecycleSegment(Index(1UL), 5),
    new RecycleSegment(Index(10UL), 5),
    new RecycleSegment(Index(17UL), 5),
    new RecycleSegment(Index(25UL), 5),
];

recycler.insert(dispose_segments[]);
assert(recycler.indices.length == 4);
assert(recycler.segments.length == 4);

auto remove_segment = new RecycleSegment(Index(17UL), 5);

recycler.remove(remove_segment);

assert(recycler.indices.length == 3);
assert(recycler.segments.length == 3);

RecycleSegment*[] segs = [
    new RecycleSegment(Index(1UL), 5),
    new RecycleSegment(Index(10UL), 5),
    // new RecycleSegment(Index(17UL), 5, Type.NONE), // This is the one that should be removed
    new RecycleSegment(Index(25UL), 5),
];

// recycler.indices[].array
//     .sort!((a, b) => a < b)
//     .each!writeln;

// recycler.segments[].array
//     .sort!((a, b) => a < b)
//     .each!writeln;

assert(equal(recycler.indices[].array.sort!((a, b) => a < b), recycler.segments[].array.sort!((a, b) => a < b)));