/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
#ident "Copyright (c) 2007-2012 Tokutek Inc.  All rights reserved."
#include "includes.h"
#include "test.h"
#include <portability/toku_atomic.h>


static int total_size;
static int test_limit;


static void
flush (CACHEFILE f __attribute__((__unused__)),
       int UU(fd),
       CACHEKEY k  __attribute__((__unused__)),
       void *v     __attribute__((__unused__)),
       void** UU(dd),
       void *e     __attribute__((__unused__)),
       PAIR_ATTR s      __attribute__((__unused__)),
       PAIR_ATTR* new_size      __attribute__((__unused__)),
       bool w      __attribute__((__unused__)),
       bool keep   __attribute__((__unused__)),
       bool c      __attribute__((__unused__)),
        bool UU(is_clone)
       ) {
    if (w) {
        int curr_size = toku_sync_fetch_and_sub(&total_size, 1);
        assert(curr_size <= 200);
        usleep(500*1000);
    }
}


static void
cachetable_test (void) {
    total_size = 0;
    int num_entries = 100;
    test_limit = 6;
    int r;
    CACHETABLE ct;
    toku_cachetable_create(&ct, test_limit, ZERO_LSN, NULL_LOGGER);
    char fname1[] = __SRCFILE__ "test1.dat";
    unlink(fname1);
    CACHEFILE f1;
    r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);

    for (int64_t i = 0; i < num_entries; i++) {
       CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
       wc.flush_callback = flush;
        toku_cachetable_put(f1, make_blocknum(i), i, NULL, make_pair_attr(1), wc, put_callback_nop);
        int curr_size = toku_sync_fetch_and_add(&total_size, 1);
        assert(curr_size <= test_limit + test_limit/2+1);
        r = toku_test_cachetable_unpin(f1, make_blocknum(i), i, CACHETABLE_DIRTY, make_pair_attr(4));
    }
    
    toku_cachefile_close(&f1, false, ZERO_LSN);
    toku_cachetable_close(&ct);
}

int
test_main(int argc, const char *argv[]) {
    default_parse_args(argc, argv);
    cachetable_test();
    return 0;
}