libStatGen Software  1
TestSamRecordPool.cpp
1 /*
2  * Copyright (C) 2011 Regents of the University of Michigan
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "TestSamRecordPool.h"
19 #include "SamRecordPool.h"
20 #include <assert.h>
21 
22 void testSamRecordPool()
23 {
24  // Call generic test.
25  SamRecordPoolTest::testSamRecordPool();
26 }
27 
28 
29 void SamRecordPoolTest::testSamRecordPool()
30 {
31 
32  // Attempt to allocate with max size 0,
33  // fails to get a record.
34  SamRecordPool pool(0);
35  assert(pool.getRecord() == NULL);
36 
37  // Up the max size to 3.
38  pool.setMaxAllocatedRecs(3);
39 
40  // Successfully get 1st record.
41  SamRecord* rec1 = pool.getRecord();
42  assert(rec1 != NULL);
43 
44  // Successfully get 2nd record.
45  SamRecord* rec2 = pool.getRecord();
46  assert(rec2 != NULL);
47  assert(rec2 != rec1);
48 
49  // Successfully get 3rd record.
50  SamRecord* rec3 = pool.getRecord();
51  assert(rec3 != NULL);
52  assert((rec3 != rec1) && (rec3 != rec2));
53 
54  // Fail to get a 4th record.
55  assert(pool.getRecord() == NULL);
56 
57  // Release a record and confirm its reuse.
58  pool.releaseRecord(rec2);
59  SamRecord* rec = pool.getRecord();
60  assert(rec == rec2);
61 
62  // Release multiple records and check reuse.
63  pool.releaseRecord(rec3);
64  pool.releaseRecord(rec1);
65  pool.releaseRecord(rec);
66  SamRecord* release1 = pool.getRecord();
67  SamRecord* release2 = pool.getRecord();
68  SamRecord* release3 = pool.getRecord();
69  assert(release1 == rec3);
70  assert(release2 == rec1);
71  assert(release3 == rec);
72  assert(pool.getRecord() == NULL);
73 
74  // Up the max allocated size but don't allocate any, then
75  // reduce the max allocated size and release all the records
76  // but the already allocated records will still be used.
77  pool.setMaxAllocatedRecs(4);
78  pool.setMaxAllocatedRecs(0);
79  pool.releaseRecord(release3);
80  pool.releaseRecord(release1);
81  pool.releaseRecord(release2);
82  rec1 = pool.getRecord();
83  rec2 = pool.getRecord();
84  rec3 = pool.getRecord();
85  assert(rec1 == release3);
86  assert(rec2 == release1);
87  assert(rec3 == release2);
88  assert(pool.getRecord() == NULL);
89 
90 
91  // Up the max allocated size and allocate another record.
92  pool.setMaxAllocatedRecs(4);
93  rec = pool.getRecord();
94  assert(rec != NULL);
95  assert(rec != rec1);
96  assert(rec != rec2);
97  assert(rec != rec3);
98  assert(pool.getRecord() == NULL);
99 }
Class providing an easy to use interface to get/set/operate on the fields in a SAM/BAM record.
Definition: SamRecord.h:52