1// Copyright (c) 2013 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 "base/hash.h"
6#include "ppapi/c/ppb_core.h"
7#include "ppapi/proxy/interface_list.h"
8#include "ppapi/proxy/ppapi_proxy_test.h"
9
10namespace ppapi {
11namespace proxy {
12
13class InterfaceListTest : public PluginProxyTest {
14 public:
15  // Wrapper function so we can use the private InterfaceList::AddPPB.
16  void AddPPB(InterfaceList* list,
17              const char* iface_name, void* iface_addr, Permission perm) {
18    list->AddPPB(iface_name, iface_addr, perm);
19  }
20
21  // Wrapper function so we can use the private
22  // InterfaceList::HashInterfaceName.
23  int HashInterfaceName(const std::string& name) {
24    return InterfaceList::HashInterfaceName(name);
25  }
26};
27
28// Tests looking up a stable interface.
29TEST_F(InterfaceListTest, Stable) {
30  InterfaceList list;
31  ASSERT_TRUE(list.GetInterfaceForPPB(PPB_CORE_INTERFACE_1_0) != NULL);
32  ASSERT_TRUE(list.GetInterfaceForPPB("FakeUnknownInterface") == NULL);
33}
34
35// Tests that dev channel restrictions work properly.
36TEST_F(InterfaceListTest, DevChannel) {
37  InterfaceList list;
38  // "Dev channel" interface.
39  static const char* dev_channel_iface_name = "TestDevChannelInterface";
40  void* dev_channel_iface_addr = (void*)0xdeadbeef;
41  // "Dev" interface
42  static const char* dev_iface_name = "TestDevInterface";
43  void* dev_iface_addr = (void*)0xcafefade;
44
45  AddPPB(&list, dev_channel_iface_name, dev_channel_iface_addr,
46         PERMISSION_DEV_CHANNEL);
47  AddPPB(&list, dev_iface_name, dev_iface_addr, PERMISSION_DEV);
48
49  InterfaceList::SetProcessGlobalPermissions(
50      PpapiPermissions(PERMISSION_NONE));
51  ASSERT_TRUE(list.GetInterfaceForPPB(dev_channel_iface_name) == NULL);
52  ASSERT_TRUE(list.GetInterfaceForPPB(dev_iface_name) == NULL);
53
54  InterfaceList::SetProcessGlobalPermissions(
55      PpapiPermissions(PERMISSION_DEV_CHANNEL));
56  ASSERT_TRUE(list.GetInterfaceForPPB(dev_channel_iface_name) ==
57              dev_channel_iface_addr);
58  ASSERT_TRUE(list.GetInterfaceForPPB(dev_iface_name) == NULL);
59
60  InterfaceList::SetProcessGlobalPermissions(
61      PpapiPermissions(PERMISSION_DEV));
62  ASSERT_TRUE(list.GetInterfaceForPPB(dev_channel_iface_name) == NULL);
63  ASSERT_TRUE(list.GetInterfaceForPPB(dev_iface_name) == dev_iface_addr);
64
65  InterfaceList::SetProcessGlobalPermissions(
66      PpapiPermissions(PERMISSION_DEV | PERMISSION_DEV_CHANNEL));
67  ASSERT_TRUE(list.GetInterfaceForPPB(dev_channel_iface_name) ==
68              dev_channel_iface_addr);
69  ASSERT_TRUE(list.GetInterfaceForPPB(dev_iface_name) == dev_iface_addr);
70}
71
72// Test that the hash function provided by base::Hash is unchanged. This is so
73// that we will generate correct values when logging interface use to UMA.
74TEST_F(InterfaceListTest, InterfaceHash) {
75  EXPECT_EQ(612625164, HashInterfaceName("PPB_InputEvent;1.0"));
76  EXPECT_EQ(79708274, HashInterfaceName("PPB_TCPSocket;1.1"));
77}
78
79}  // namespace proxy
80}  // namespace ppapi
81