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99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of TokuDB
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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TokuDBis is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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TokuDB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with TokuDB. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <assert.h>
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#include <tokudb_vlq.h>
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namespace tokudb {
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template size_t vlq_encode_ui(uint32_t n, void *p, size_t s);
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template size_t vlq_decode_ui(uint32_t *np, void *p, size_t s);
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template size_t vlq_encode_ui(uint64_t n, void *p, size_t s);
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template size_t vlq_decode_ui(uint64_t *np, void *p, size_t s);
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};
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static void test_vlq_uint32(void) {
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printf("%u\n", 0);
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for (uint32_t v = 0; v < (1<<7); v++) {
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unsigned char b[5];
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size_t out_s = tokudb::vlq_encode_ui<uint32_t>(v, b, sizeof b);
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assert(out_s == 1);
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uint32_t n;
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size_t in_s = tokudb::vlq_decode_ui<uint32_t>(&n, b, out_s);
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assert(in_s == 1);
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assert(n == v);
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}
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printf("%u\n", 1<<7);
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for (uint32_t v = (1<<7); v < (1<<14); v++) {
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unsigned char b[5];
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size_t out_s = tokudb::vlq_encode_ui<uint32_t>(v, b, sizeof b);
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assert(out_s == 2);
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uint32_t n;
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size_t in_s = tokudb::vlq_decode_ui<uint32_t>(&n, b, out_s);
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assert(in_s == 2);
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assert(n == v);
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}
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printf("%u\n", 1<<14);
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for (uint32_t v = (1<<14); v < (1<<21); v++) {
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unsigned char b[5];
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size_t out_s = tokudb::vlq_encode_ui<uint32_t>(v, b, sizeof b);
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assert(out_s == 3);
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uint32_t n;
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size_t in_s = tokudb::vlq_decode_ui<uint32_t>(&n, b, out_s);
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assert(in_s == 3);
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assert(n == v);
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}
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printf("%u\n", 1<<21);
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for (uint32_t v = (1<<21); v < (1<<28); v++) {
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unsigned char b[5];
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size_t out_s = tokudb::vlq_encode_ui<uint32_t>(v, b, sizeof b);
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assert(out_s == 4);
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uint32_t n;
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size_t in_s = tokudb::vlq_decode_ui<uint32_t>(&n, b, out_s);
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assert(in_s == 4);
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assert(n == v);
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}
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printf("%u\n", 1<<28);
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for (uint32_t v = (1<<28); v != 0; v++) {
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unsigned char b[5];
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size_t out_s = tokudb::vlq_encode_ui<uint32_t>(v, b, sizeof b);
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assert(out_s == 5);
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uint32_t n;
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size_t in_s = tokudb::vlq_decode_ui<uint32_t>(&n, b, out_s);
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assert(in_s == 5);
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assert(n == v);
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}
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}
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int main(void) {
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test_vlq_uint32();
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return 0;
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}
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