errorcode_unittest.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
6#include "sandbox/linux/tests/unit_tests.h"
7
8using namespace playground2;
9
10namespace {
11
12SANDBOX_TEST(ErrorCode, ErrnoConstructor) {
13  ErrorCode e0;
14  SANDBOX_ASSERT(e0.err() == SECCOMP_RET_INVALID);
15
16  ErrorCode e1(ErrorCode::ERR_ALLOWED);
17  SANDBOX_ASSERT(e1.err() == SECCOMP_RET_ALLOW);
18
19  ErrorCode e2(EPERM);
20  SANDBOX_ASSERT(e2.err() == SECCOMP_RET_ERRNO + EPERM);
21
22  ErrorCode e3 = Sandbox::Trap(NULL, NULL);
23  SANDBOX_ASSERT((e3.err() & SECCOMP_RET_ACTION)  == SECCOMP_RET_TRAP);
24}
25
26SANDBOX_TEST(ErrorCode, Trap) {
27  ErrorCode e0 = Sandbox::Trap(NULL, "a");
28  ErrorCode e1 = Sandbox::Trap(NULL, "b");
29  SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) + 1 ==
30                 (e1.err() & SECCOMP_RET_DATA));
31
32  ErrorCode e2 = Sandbox::Trap(NULL, "a");
33  SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) ==
34                 (e2.err() & SECCOMP_RET_DATA));
35}
36
37SANDBOX_TEST(ErrorCode, Equals) {
38  ErrorCode e1(ErrorCode::ERR_ALLOWED);
39  ErrorCode e2(ErrorCode::ERR_ALLOWED);
40  SANDBOX_ASSERT(e1.Equals(e1));
41  SANDBOX_ASSERT(e1.Equals(e2));
42  SANDBOX_ASSERT(e2.Equals(e1));
43
44  ErrorCode e3(EPERM);
45  SANDBOX_ASSERT(!e1.Equals(e3));
46
47  ErrorCode e4 = Sandbox::Trap(NULL, "a");
48  ErrorCode e5 = Sandbox::Trap(NULL, "b");
49  ErrorCode e6 = Sandbox::Trap(NULL, "a");
50  SANDBOX_ASSERT(!e1.Equals(e4));
51  SANDBOX_ASSERT(!e3.Equals(e4));
52  SANDBOX_ASSERT(!e5.Equals(e4));
53  SANDBOX_ASSERT( e6.Equals(e4));
54}
55
56SANDBOX_TEST(ErrorCode, LessThan) {
57  ErrorCode e1(ErrorCode::ERR_ALLOWED);
58  ErrorCode e2(ErrorCode::ERR_ALLOWED);
59  SANDBOX_ASSERT(!e1.LessThan(e1));
60  SANDBOX_ASSERT(!e1.LessThan(e2));
61  SANDBOX_ASSERT(!e2.LessThan(e1));
62
63  ErrorCode e3(EPERM);
64  SANDBOX_ASSERT(!e1.LessThan(e3));
65  SANDBOX_ASSERT( e3.LessThan(e1));
66
67  ErrorCode e4 = Sandbox::Trap(NULL, "a");
68  ErrorCode e5 = Sandbox::Trap(NULL, "b");
69  ErrorCode e6 = Sandbox::Trap(NULL, "a");
70  SANDBOX_ASSERT(e1.LessThan(e4));
71  SANDBOX_ASSERT(e3.LessThan(e4));
72  SANDBOX_ASSERT(e4.LessThan(e5));
73  SANDBOX_ASSERT(!e4.LessThan(e6));
74  SANDBOX_ASSERT(!e6.LessThan(e4));
75}
76
77}  // namespace
78