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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed 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 android.net;
import static android.os.UserHandle.MIN_SECONDARY_USER_ID;
import static android.os.UserHandle.SYSTEM;
import static android.os.UserHandle.USER_SYSTEM;
import static android.os.UserHandle.getUid;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import android.os.Build;
import android.os.UserHandle;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class UidRangeTest {
/*
* UidRange is no longer passed to netd. UID ranges between the framework and netd are passed as
* UidRangeParcel objects.
*/
@Rule
public final DevSdkIgnoreRule mIgnoreRule = new DevSdkIgnoreRule();
@Test
public void testSingleItemUidRangeAllowed() {
new UidRange(123, 123);
new UidRange(0, 0);
new UidRange(Integer.MAX_VALUE, Integer.MAX_VALUE);
}
@Test
public void testNegativeUidsDisallowed() {
try {
new UidRange(-2, 100);
fail("Exception not thrown for negative start UID");
} catch (IllegalArgumentException expected) {
}
try {
new UidRange(-200, -100);
fail("Exception not thrown for negative stop UID");
} catch (IllegalArgumentException expected) {
}
}
@Test
public void testStopLessThanStartDisallowed() {
final int x = 4195000;
try {
new UidRange(x, x - 1);
fail("Exception not thrown for negative-length UID range");
} catch (IllegalArgumentException expected) {
}
}
@Test
public void testGetStartAndEndUser() throws Exception {
final UidRange uidRangeOfPrimaryUser = new UidRange(
getUid(USER_SYSTEM, 10000), getUid(USER_SYSTEM, 10100));
final UidRange uidRangeOfSecondaryUser = new UidRange(
getUid(MIN_SECONDARY_USER_ID, 10000), getUid(MIN_SECONDARY_USER_ID, 10100));
assertEquals(USER_SYSTEM, uidRangeOfPrimaryUser.getStartUser());
assertEquals(USER_SYSTEM, uidRangeOfPrimaryUser.getEndUser());
assertEquals(MIN_SECONDARY_USER_ID, uidRangeOfSecondaryUser.getStartUser());
assertEquals(MIN_SECONDARY_USER_ID, uidRangeOfSecondaryUser.getEndUser());
final UidRange uidRangeForDifferentUsers = new UidRange(
getUid(USER_SYSTEM, 10000), getUid(MIN_SECONDARY_USER_ID, 10100));
assertEquals(USER_SYSTEM, uidRangeOfPrimaryUser.getStartUser());
assertEquals(MIN_SECONDARY_USER_ID, uidRangeOfSecondaryUser.getEndUser());
}
@Test @IgnoreUpTo(Build.VERSION_CODES.R)
public void testCreateForUser() throws Exception {
final UidRange uidRangeOfPrimaryUser = UidRange.createForUser(SYSTEM);
final UidRange uidRangeOfSecondaryUser = UidRange.createForUser(
UserHandle.of(USER_SYSTEM + 1));
assertTrue(uidRangeOfPrimaryUser.stop < uidRangeOfSecondaryUser.start);
assertEquals(USER_SYSTEM, uidRangeOfPrimaryUser.getStartUser());
assertEquals(USER_SYSTEM, uidRangeOfPrimaryUser.getEndUser());
assertEquals(USER_SYSTEM + 1, uidRangeOfSecondaryUser.getStartUser());
assertEquals(USER_SYSTEM + 1, uidRangeOfSecondaryUser.getEndUser());
}
}
|