547 lines
17 KiB
C
547 lines
17 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "testutil.h"
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#include "apr.h"
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#include "apr_strings.h"
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#include "apr_general.h"
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#include "apr_pools.h"
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#include "apr_skiplist.h"
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#if APR_HAVE_STDIO_H
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#include <stdio.h>
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#endif
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#if APR_HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#if APR_HAVE_STRING_H
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#include <string.h>
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#endif
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static apr_pool_t *ptmp = NULL;
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static apr_skiplist *skiplist = NULL;
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static int skiplist_get_size(abts_case *tc, apr_skiplist *sl)
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{
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size_t size = 0;
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apr_skiplistnode *n;
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for (n = apr_skiplist_getlist(sl); n; apr_skiplist_next(sl, &n)) {
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++size;
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}
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ABTS_TRUE(tc, size == apr_skiplist_size(sl));
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return size;
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}
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static void skiplist_init(abts_case *tc, void *data)
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{
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apr_time_t now = apr_time_now();
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srand((unsigned int)(((now >> 32) ^ now) & 0xffffffff));
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ABTS_INT_EQUAL(tc, APR_SUCCESS, apr_skiplist_init(&skiplist, p));
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ABTS_PTR_NOTNULL(tc, skiplist);
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apr_skiplist_set_compare(skiplist, (apr_skiplist_compare)strcmp,
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(apr_skiplist_compare)strcmp);
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}
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static void skiplist_find(abts_case *tc, void *data)
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{
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const char *val;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(skiplist, "baton"));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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}
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static void skiplist_dontfind(abts_case *tc, void *data)
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{
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const char *val;
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val = apr_skiplist_find(skiplist, "keynotthere", NULL);
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ABTS_PTR_EQUAL(tc, NULL, (void *)val);
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}
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static void skiplist_insert(abts_case *tc, void *data)
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{
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const char *val;
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int i, height = 0;
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for (i = 0; i < 10; ++i) {
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ABTS_PTR_EQUAL(tc, NULL, apr_skiplist_insert(skiplist, "baton"));
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ABTS_TRUE(tc, 1 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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if (height == 0) {
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height = apr_skiplist_height(skiplist);
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}
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else {
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ABTS_INT_EQUAL(tc, height, apr_skiplist_height(skiplist));
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}
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}
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ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(skiplist, "foo"));
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ABTS_TRUE(tc, 2 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "foo", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "foo", val);
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ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(skiplist, "atfirst"));
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ABTS_TRUE(tc, 3 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "atfirst", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "atfirst", val);
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}
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#define NUM_ADDS 100
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static void skiplist_add(abts_case *tc, void *data)
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{
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const char *val;
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size_t i, n = 0;
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apr_skiplist_remove_all(skiplist, NULL);
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ABTS_TRUE(tc, 0 == skiplist_get_size(tc, skiplist));
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for (i = 0; i < NUM_ADDS; ++i) {
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n++;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "daton"));
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "daton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "daton", val);
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n++;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "baton"));
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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n++;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "caton"));
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "caton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "caton", val);
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n++;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "aaton"));
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "aaton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "aaton", val);
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}
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}
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static void skiplist_replace(abts_case *tc, void *data)
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{
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const char *val;
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size_t n = skiplist_get_size(tc, skiplist);
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n -= NUM_ADDS - 1;
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apr_skiplist_replace(skiplist, "daton", NULL);
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "daton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "daton", val);
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n -= NUM_ADDS - 1;
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apr_skiplist_replace(skiplist, "baton", NULL);
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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n -= NUM_ADDS - 1;
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apr_skiplist_replace(skiplist, "caton", NULL);
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "caton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "caton", val);
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n -= NUM_ADDS - 1;
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apr_skiplist_replace(skiplist, "aaton", NULL);
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ABTS_TRUE(tc, n == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "aaton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "aaton", val);
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ABTS_TRUE(tc, n == 4);
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}
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static void skiplist_destroy(abts_case *tc, void *data)
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{
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apr_skiplist_destroy(skiplist, NULL);
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ABTS_TRUE(tc, 0 == apr_skiplist_size(skiplist));
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ABTS_TRUE(tc, 1 == apr_skiplist_height(skiplist));
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ABTS_TRUE(tc, NULL == apr_skiplist_getlist(skiplist));
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}
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static void skiplist_size(abts_case *tc, void *data)
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{
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const char *val;
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ABTS_TRUE(tc, 0 == skiplist_get_size(tc, skiplist));
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ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(skiplist, "abc"));
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ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(skiplist, "ghi"));
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ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(skiplist, "def"));
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val = apr_skiplist_find(skiplist, "abc", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "abc", val);
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val = apr_skiplist_find(skiplist, "ghi", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "ghi", val);
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val = apr_skiplist_find(skiplist, "def", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "def", val);
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ABTS_TRUE(tc, 3 == skiplist_get_size(tc, skiplist));
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apr_skiplist_destroy(skiplist, NULL);
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}
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static void skiplist_remove(abts_case *tc, void *data)
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{
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const char *val;
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ABTS_TRUE(tc, 0 == skiplist_get_size(tc, skiplist));
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "baton"));
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ABTS_TRUE(tc, 1 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "baton"));
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ABTS_TRUE(tc, 2 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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ABTS_TRUE(tc, apr_skiplist_remove(skiplist, "baton", NULL) != 0);
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ABTS_TRUE(tc, 1 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(skiplist, "baton"));
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ABTS_TRUE(tc, 2 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, "baton", val);
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/* remove all "baton"s */
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while (apr_skiplist_remove(skiplist, "baton", NULL))
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;
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ABTS_TRUE(tc, 0 == skiplist_get_size(tc, skiplist));
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val = apr_skiplist_find(skiplist, "baton", NULL);
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ABTS_PTR_EQUAL(tc, NULL, val);
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}
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#define NUM_RAND (100)
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#define NUM_FIND (3 * NUM_RAND)
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static void skiplist_random_loop(abts_case *tc, void *data)
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{
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char **batons;
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apr_skiplist *sl;
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const char *val;
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int i;
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ABTS_INT_EQUAL(tc, APR_SUCCESS, apr_skiplist_init(&sl, ptmp));
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apr_skiplist_set_compare(sl, (apr_skiplist_compare)strcmp,
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(apr_skiplist_compare)strcmp);
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apr_skiplist_set_preheight(sl, 7);
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ABTS_INT_EQUAL(tc, 7, apr_skiplist_preheight(sl));
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batons = apr_palloc(ptmp, NUM_FIND * sizeof(char*));
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for (i = 0; i < NUM_FIND; ++i) {
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if (i < NUM_RAND) {
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batons[i] = apr_psprintf(ptmp, "%.6u", rand() % 1000000);
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}
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else {
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batons[i] = apr_pstrdup(ptmp, batons[i % NUM_RAND]);
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}
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(sl, batons[i]));
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val = apr_skiplist_find(sl, batons[i], NULL);
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ABTS_PTR_NOTNULL(tc, val);
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ABTS_STR_EQUAL(tc, batons[i], val);
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}
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apr_pool_clear(ptmp);
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}
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typedef struct elem {
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int b;
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int a;
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} elem;
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static void add_int_to_skiplist(abts_case *tc, apr_skiplist *list, int n){
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int* a = apr_skiplist_alloc(list, sizeof(int));
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*a = n;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(list, a));
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}
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static void add_elem_to_skiplist(abts_case *tc, apr_skiplist *list, elem n){
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elem* a = apr_skiplist_alloc(list, sizeof(elem));
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*a = n;
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(list, a));
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}
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static int comp(void *a, void *b){
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return *((int*) a) - *((int*) b);
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}
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static int scomp(void *a, void *b){
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return ((elem*) a)->a - ((elem*) b)->a;
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}
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static int ecomp(void *a, void *b)
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{
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elem const * const e1 = a;
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elem const * const e2 = b;
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if (e1->a < e2->a) {
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return -1;
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}
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else if (e1->a > e2->a) {
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return +1;
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}
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else if (e1->b < e2->b) {
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return -1;
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}
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else if (e1->b > e2->b) {
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return +1;
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}
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else {
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return 0;
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}
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}
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/* Some tests below add multiple duplicates and then try to remove each one
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* individually, in arbitrary order.
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*
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* Using apr_skiplist_remove_compare(..., scomp, NULL) would not work because
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* it will likely remove any duplicate (the first one) encountered on the path,
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* hence possibly not the expected one.
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*
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* Using apr_skiplist_remove_compare(..., ecomp, NULL) works provided all the
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* duplicates (same a) don't also have the same b (which is the case in the
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* test below), hence uniqueness is cooked in the elem itself.
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*
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* Another possibility is to rely on unique pointers, and then cook a remove
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* function, like the following skiplist_remove_scomp(), which will go straight
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* to the last duplicate (using scomp) and then iterate on the previous elems
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* until pointers match.
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*
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* Providing uniqueness in the elem itself is the more clean/efficient option,
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* but if all you have is a unique pointer the pattern in the function may be
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* worth it ( or it's just a way to test several skiplist functionalities :)
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*/
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static void skiplist_remove_scomp(abts_case *tc, apr_skiplist *list, elem *n)
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{
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elem *e;
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apr_skiplistnode *iter = NULL;
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e = apr_skiplist_last(list, n, &iter);
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while (e && e != n) {
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ABTS_INT_EQUAL(tc, 0, scomp(n, e));
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e = apr_skiplist_previous(list, &iter);
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}
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ABTS_PTR_EQUAL(tc, n, apr_skiplist_element(iter));
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apr_skiplist_remove_node(list, iter, NULL);
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}
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static void skiplist_test(abts_case *tc, void *data) {
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int test_elems = 10;
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int i = 0, j = 0;
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int *val = NULL;
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elem *val2 = NULL;
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apr_skiplist * list = NULL;
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apr_skiplist * list2 = NULL;
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apr_skiplist * list3 = NULL;
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apr_skiplist * list4 = NULL;
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int first_forty_two = 42,
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second_forty_two = 42;
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apr_array_header_t *array;
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elem t1, t2, t3, t4, t5;
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t1.a = 1; t1.b = 1;
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t2.a = 42; t2.b = 1;
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t3.a = 42; t3.b = 2;
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t4.a = 42; t4.b = 3;
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t5.a = 142; t5.b = 1;
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ABTS_INT_EQUAL(tc, APR_SUCCESS, apr_skiplist_init(&list, ptmp));
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apr_skiplist_set_compare(list, comp, comp);
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/* insert 10 objects */
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for (i = 0; i < test_elems; ++i){
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add_int_to_skiplist(tc, list, i);
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}
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/* remove all objects */
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while ((val = apr_skiplist_pop(list, NULL))){
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ABTS_INT_EQUAL(tc, *val, j++);
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}
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/* insert 10 objects again */
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for (i = test_elems; i < test_elems+test_elems; ++i){
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add_int_to_skiplist(tc, list, i);
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}
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j = test_elems;
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while ((val = apr_skiplist_pop(list, NULL))){
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ABTS_INT_EQUAL(tc, *val, j++);
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}
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/* empty */
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val = apr_skiplist_pop(list, NULL);
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ABTS_PTR_EQUAL(tc, val, NULL);
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add_int_to_skiplist(tc, list, 42);
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val = apr_skiplist_pop(list, NULL);
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ABTS_INT_EQUAL(tc, *val, 42);
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/* empty */
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val = apr_skiplist_pop(list, NULL);
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ABTS_PTR_EQUAL(tc, val, NULL);
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(list, &first_forty_two));
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add_int_to_skiplist(tc, list, 1);
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add_int_to_skiplist(tc, list, 142);
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ABTS_PTR_NOTNULL(tc, apr_skiplist_add(list, &second_forty_two));
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val = apr_skiplist_peek(list);
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ABTS_INT_EQUAL(tc, *val, 1);
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val = apr_skiplist_pop(list, NULL);
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ABTS_INT_EQUAL(tc, *val, 1);
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val = apr_skiplist_peek(list);
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ABTS_PTR_EQUAL(tc, val, &first_forty_two);
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ABTS_INT_EQUAL(tc, *val, 42);
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val = apr_skiplist_pop(list, NULL);
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ABTS_PTR_EQUAL(tc, val, &first_forty_two);
|
|
ABTS_INT_EQUAL(tc, *val, 42);
|
|
val = apr_skiplist_pop(list, NULL);
|
|
ABTS_PTR_EQUAL(tc, val, &second_forty_two);
|
|
ABTS_INT_EQUAL(tc, *val, 42);
|
|
val = apr_skiplist_peek(list);
|
|
ABTS_INT_EQUAL(tc, *val, 142);
|
|
|
|
ABTS_INT_EQUAL(tc, APR_SUCCESS, apr_skiplist_init(&list2, ptmp));
|
|
apr_skiplist_set_compare(list2, scomp, scomp);
|
|
add_elem_to_skiplist(tc, list2, t2);
|
|
add_elem_to_skiplist(tc, list2, t1);
|
|
add_elem_to_skiplist(tc, list2, t3);
|
|
add_elem_to_skiplist(tc, list2, t5);
|
|
add_elem_to_skiplist(tc, list2, t4);
|
|
val2 = apr_skiplist_pop(list2, NULL);
|
|
ABTS_INT_EQUAL(tc, val2->a, 1);
|
|
val2 = apr_skiplist_pop(list2, NULL);
|
|
ABTS_INT_EQUAL(tc, val2->a, 42);
|
|
ABTS_INT_EQUAL(tc, val2->b, 1);
|
|
val2 = apr_skiplist_pop(list2, NULL);
|
|
ABTS_INT_EQUAL(tc, val2->a, 42);
|
|
ABTS_INT_EQUAL(tc, val2->b, 2);
|
|
val2 = apr_skiplist_pop(list2, NULL);
|
|
ABTS_INT_EQUAL(tc, val2->a, 42);
|
|
ABTS_INT_EQUAL(tc, val2->b, 3);
|
|
val2 = apr_skiplist_pop(list2, NULL);
|
|
ABTS_INT_EQUAL(tc, val2->a, 142);
|
|
ABTS_INT_EQUAL(tc, val2->b, 1);
|
|
|
|
ABTS_INT_EQUAL(tc, APR_SUCCESS, apr_skiplist_init(&list3, ptmp));
|
|
apr_skiplist_set_compare(list3, ecomp, ecomp);
|
|
array = apr_array_make(ptmp, 10, sizeof(elem *));
|
|
for (i = 0; i < 10; ++i) {
|
|
elem *e = apr_palloc(ptmp, sizeof *e);
|
|
e->a = 4224;
|
|
e->b = i;
|
|
APR_ARRAY_PUSH(array, elem *) = e;
|
|
ABTS_PTR_NOTNULL(tc, apr_skiplist_insert(list3, e));
|
|
}
|
|
for (i = 0; i < 5; ++i) {
|
|
elem *e = APR_ARRAY_IDX(array, i, elem *);
|
|
val2 = apr_skiplist_find(list3, e, NULL);
|
|
ABTS_PTR_EQUAL(tc, e, val2);
|
|
ABTS_TRUE(tc, apr_skiplist_remove(list3, e, NULL) != 0);
|
|
}
|
|
for (i = 0; i < 5; ++i) {
|
|
elem *e = APR_ARRAY_IDX(array, 9 - i, elem *);
|
|
val2 = apr_skiplist_find(list3, e, NULL);
|
|
ABTS_PTR_EQUAL(tc, e, val2);
|
|
ABTS_TRUE(tc, apr_skiplist_remove(list3, e, NULL) != 0);
|
|
}
|
|
|
|
ABTS_INT_EQUAL(tc, APR_SUCCESS, apr_skiplist_init(&list4, ptmp));
|
|
apr_skiplist_set_compare(list4, scomp, scomp);
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t1);
|
|
}
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t2);
|
|
}
|
|
apr_skiplist_add(list4, &t2);
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t2);
|
|
}
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t3);
|
|
}
|
|
apr_skiplist_add(list4, &t3);
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t3);
|
|
}
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t4);
|
|
}
|
|
apr_skiplist_add(list4, &t4);
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t4);
|
|
}
|
|
for (i = 0; i < 5; ++i){
|
|
add_elem_to_skiplist(tc, list4, t5);
|
|
}
|
|
skiplist_remove_scomp(tc, list4, &t2);
|
|
skiplist_remove_scomp(tc, list4, &t3);
|
|
skiplist_remove_scomp(tc, list4, &t4);
|
|
|
|
apr_pool_clear(ptmp);
|
|
}
|
|
|
|
|
|
abts_suite *testskiplist(abts_suite *suite)
|
|
{
|
|
suite = ADD_SUITE(suite)
|
|
|
|
apr_pool_create(&ptmp, p);
|
|
|
|
abts_run_test(suite, skiplist_init, NULL);
|
|
abts_run_test(suite, skiplist_find, NULL);
|
|
abts_run_test(suite, skiplist_dontfind, NULL);
|
|
abts_run_test(suite, skiplist_insert, NULL);
|
|
abts_run_test(suite, skiplist_add, NULL);
|
|
abts_run_test(suite, skiplist_replace, NULL);
|
|
abts_run_test(suite, skiplist_destroy, NULL);
|
|
abts_run_test(suite, skiplist_size, NULL);
|
|
abts_run_test(suite, skiplist_remove, NULL);
|
|
abts_run_test(suite, skiplist_random_loop, NULL);
|
|
|
|
abts_run_test(suite, skiplist_test, NULL);
|
|
|
|
apr_pool_destroy(ptmp);
|
|
|
|
return suite;
|
|
}
|
|
|