1 /* ``Licensed under the Apache License, Version 2.0 (the "License");
2  * you may not use this file except in compliance with the License.
3  * You may obtain a copy of the License at
4  *
5  *     http://www.apache.org/licenses/LICENSE-2.0
6  *
7  * Unless required by applicable law or agreed to in writing, software
8  * distributed under the License is distributed on an "AS IS" BASIS,
9  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10  * See the License for the specific language governing permissions and
11  * limitations under the License.
12  *
13  * The Initial Developer of the Original Code is Ericsson Utvecklings AB.
14  * Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
15  * AB. All Rights Reserved.''
16  *
17  *     $Id$
18  */
19 
20 #include "testcase_driver.h"
21 #include "allocator_test.h"
22 #include <stdio.h>
23 
24 #define MAX_TEST_SIZE 100000000
25 
26 char *
testcase_name(void)27 testcase_name(void)
28 {
29     return "bucket_index";
30 }
31 
32 void test_it(TestCaseState_t *tcs, unsigned sbct);
33 
34 void
testcase_run(TestCaseState_t * tcs)35 testcase_run(TestCaseState_t *tcs)
36 {
37     testcase_printf(tcs, "No of buckets = %lu:\n\n", NO_OF_BKTS);
38 
39     test_it(tcs, 1);
40     test_it(tcs, 0);
41     test_it(tcs, 1024);
42     test_it(tcs, 10240);
43 }
44 
45 void
testcase_cleanup(TestCaseState_t * tcs)46 testcase_cleanup(TestCaseState_t *tcs)
47 {
48     if (tcs->extra) {
49 	STOP_ALC(tcs->extra);
50 	tcs->extra = NULL;
51     }
52 }
53 
54 void
test_it(TestCaseState_t * tcs,unsigned sbct)55 test_it(TestCaseState_t *tcs, unsigned sbct)
56 {
57     Ulong max_cont_test_sz;
58     char sbct_buf[21];
59     char *argv[] = {"-tas", "gf", "-tsbct", NULL, NULL};
60     int no_changes;
61     Ulong bi;
62     Ulong min_sz;
63     Ulong prev_bi;
64     Ulong sz;
65     Allctr_t *a;
66 
67     no_changes = 0;
68     prev_bi = -1;
69 
70     if (sbct) {
71 	sprintf(sbct_buf, "%d", sbct);
72 	argv[3] = sbct_buf;
73     }
74     else
75 	argv[2] = NULL;
76 
77     max_cont_test_sz = 2*sbct*1024;
78     if (max_cont_test_sz < 1000000)
79 	max_cont_test_sz = 1000000;
80 
81     testcase_printf(tcs, "Testing with sbct = %s\n",
82 		    sbct ? sbct_buf : "default");
83     a = START_ALC("bkt_ix_", 0, argv);
84     tcs->extra = (void *) a;
85     ASSERT(tcs, a);
86 
87     sz = MIN_BLK_SZ(a);
88     while(sz < ((((Ulong)1) << 31) - 1)) {
89 	bi = BKT_IX(a, sz);
90 	if (prev_bi != bi) {
91 	    ASSERT(tcs, prev_bi + 1 == bi);
92 
93 	    min_sz = BKT_MIN_SZ(a, bi);
94 
95 	    ASSERT(tcs, sz == min_sz);
96 
97 	    testcase_printf(tcs, "sz=%d->ix=%d ", sz, bi);
98 	    no_changes++;
99 	}
100 	prev_bi = bi;
101 	if (sz < max_cont_test_sz)
102 	    sz++;
103 	else
104 	    sz += 100000000;
105     }
106     testcase_printf(tcs, "\n\n");
107     ASSERT(tcs, no_changes == NO_OF_BKTS);
108 
109     STOP_ALC(a);
110     tcs->extra = NULL;
111 
112     testcase_printf(tcs, "Test with sbct=%s succeeded\n",
113 		    sbct ? sbct_buf : "default");
114 }
115 
116 ERL_NIF_INIT(bucket_index, testcase_nif_funcs, testcase_nif_init,
117 	     NULL, NULL, NULL);
118