1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/**
* Derby - Class org.apache.derbyTesting.functionTests.tests.memory.RolesDependencyTest
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.derbyTesting.functionTests.tests.memory;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import junit.framework.Test;
import org.apache.derbyTesting.junit.BaseJDBCTestCase;
import org.apache.derbyTesting.junit.BaseTestSuite;
import org.apache.derbyTesting.junit.CleanDatabaseTestSetup;
import org.apache.derbyTesting.junit.JDBC;
import org.apache.derbyTesting.junit.TestConfiguration;
/**
* Test memory requirements for the activation's dependencies on the current
* role.
*/
public class RolesDependencyTest extends BaseJDBCTestCase {
public RolesDependencyTest(String name) {
super(name);
}
public static Test suite() {
Test test = new BaseTestSuite(RolesDependencyTest.class);
// Populate database with data as DBO
test = new CleanDatabaseTestSetup(test) {
protected void decorateSQL(Statement s) throws SQLException {
s.execute("create schema s1");
s.execute("create table s1.t1(x int)");
s.execute("insert into s1.t1 values 1");
s.execute("create role role1");
s.execute("grant select on s1.t1 to role1");
s.execute("grant role1 to user1");
}
};
// Enable SQL authorization
return TestConfiguration.sqlAuthorizationDecorator(test);
}
/**
* Regression test case for DERBY-4571. When executing a query that
* needed a privilege that was granted to the current role, a reference
* to the activation would be leaked at each execution because the
* activation's dependency on the current role was added to the dependency
* manager and never removed. This eventually lead to OutOfMemoryErrors.
*/
public void testCurrentRoleDependencyMemleak() throws SQLException {
Connection c = openUserConnection("user1");
Statement s = c.createStatement();
s.execute("set role role1");
for (int i = 0; i < 40000; i++) {
ResultSet rs = s.executeQuery("select * from s1.t1");
JDBC.assertDrainResults(rs, 1);
}
s.close();
c.close();
}
}
|
