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      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 
     10 namespace ppapi {
     11 namespace proxy {
     12 
     13 class 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.
     29 TEST_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.
     36 TEST_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.
     74 TEST_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