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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include <stddef.h>
#include <stdint.h>
#include "base/synchronization/waitable_event.h"
#include "ipc/ipc_message_utils.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/c/ppb_core.h"
#include "ppapi/c/ppb_fullscreen.h"
#include "ppapi/c/ppb_url_loader.h"
#include "ppapi/c/ppp_instance.h"
#include "ppapi/proxy/locking_resource_releaser.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/ppapi_proxy_test.h"
#include "ppapi/shared_impl/ppb_view_shared.h"
namespace ppapi {
namespace proxy {
namespace {
// This is an ad-hoc mock of PPP_Instance using global variables. Eventually,
// generalize making PPAPI interface mocks by using IDL or macro/template magic.
PP_Instance received_instance;
uint32_t received_argc;
std::vector<std::string> received_argn;
std::vector<std::string> received_argv;
PP_Bool bool_to_return;
PP_Bool DidCreate(PP_Instance instance, uint32_t argc, const char* argn[],
const char* argv[]) {
received_instance = instance;
received_argc = argc;
received_argn.clear();
received_argn.insert(received_argn.begin(), argn, argn + argc);
received_argv.clear();
received_argv.insert(received_argv.begin(), argv, argv + argc);
return bool_to_return;
}
void DidDestroy(PP_Instance instance) {
received_instance = instance;
}
PP_Rect received_position;
PP_Rect received_clip;
// DidChangeView is asynchronous. We wait until the call has completed before
// proceeding on to the next test.
base::WaitableEvent did_change_view_called(
base::WaitableEvent::ResetPolicy::AUTOMATIC,
base::WaitableEvent::InitialState::NOT_SIGNALED);
void DidChangeView(PP_Instance instance, const PP_Rect* position,
const PP_Rect* clip) {
received_instance = instance;
received_position = *position;
received_clip = *clip;
did_change_view_called.Signal();
}
PP_Bool received_has_focus;
base::WaitableEvent did_change_focus_called(
base::WaitableEvent::ResetPolicy::AUTOMATIC,
base::WaitableEvent::InitialState::NOT_SIGNALED);
void DidChangeFocus(PP_Instance instance, PP_Bool has_focus) {
received_instance = instance;
received_has_focus = has_focus;
did_change_focus_called.Signal();
}
PP_Bool HandleDocumentLoad(PP_Instance instance, PP_Resource url_loader) {
// This one requires use of the PPB_URLLoader proxy and PPB_Core, plus a
// resource tracker for the url_loader resource.
// TODO(dmichael): Mock those out and test this function.
NOTREACHED();
}
// Clear all the 'received' values for our mock. Call this before you expect
// one of the functions to be invoked. TODO(dmichael): It would be better to
// have a flag also for each function, so we know the right one got called.
void ResetReceived() {
received_instance = 0;
received_argc = 0;
received_argn.clear();
received_argv.clear();
memset(&received_position, 0, sizeof(received_position));
memset(&received_clip, 0, sizeof(received_clip));
received_has_focus = PP_FALSE;
}
PPP_Instance_1_0 ppp_instance_1_0 = {
&DidCreate,
&DidDestroy,
&DidChangeView,
&DidChangeFocus,
&HandleDocumentLoad
};
// PPP_Instance_Proxy::DidChangeView relies on PPB_Fullscreen being
// available with a valid implementation of IsFullScreen, so we mock it.
PP_Bool IsFullscreen(PP_Instance instance) {
return PP_FALSE;
}
PPB_Fullscreen ppb_fullscreen = { &IsFullscreen };
} // namespace
class PPP_Instance_ProxyTest : public TwoWayTest {
public:
PPP_Instance_ProxyTest()
: TwoWayTest(TwoWayTest::TEST_PPP_INTERFACE) {
}
};
TEST_F(PPP_Instance_ProxyTest, PPPInstance1_0) {
plugin().RegisterTestInterface(PPP_INSTANCE_INTERFACE_1_0, &ppp_instance_1_0);
host().RegisterTestInterface(PPB_FULLSCREEN_INTERFACE,
&ppb_fullscreen);
// Grab the host-side proxy for the interface. The browser only speaks 1.1,
// while the proxy ensures support for the 1.0 version on the plugin side.
const PPP_Instance_1_1* ppp_instance = static_cast<const PPP_Instance_1_1*>(
host().host_dispatcher()->GetProxiedInterface(
PPP_INSTANCE_INTERFACE_1_1));
// Call each function in turn, make sure we get the expected values and
// returns.
//
// We don't test DidDestroy, because it has the side-effect of removing the
// PP_Instance from the PluginDispatcher, which will cause a failure later
// when the test is torn down.
PP_Instance expected_instance = pp_instance();
std::vector<std::string> expected_argn, expected_argv;
expected_argn.push_back("Hello");
expected_argn.push_back("world.");
expected_argv.push_back("elloHay");
expected_argv.push_back("orldway.");
std::vector<const char*> argn_to_pass, argv_to_pass;
CHECK(expected_argn.size() == expected_argv.size());
for (size_t i = 0; i < expected_argn.size(); ++i) {
argn_to_pass.push_back(expected_argn[i].c_str());
argv_to_pass.push_back(expected_argv[i].c_str());
}
uint32_t expected_argc = static_cast<uint32_t>(expected_argn.size());
bool_to_return = PP_TRUE;
ResetReceived();
// Tell the host resource tracker about the instance.
host().resource_tracker().DidCreateInstance(expected_instance);
EXPECT_EQ(bool_to_return, ppp_instance->DidCreate(expected_instance,
expected_argc,
&argn_to_pass[0],
&argv_to_pass[0]));
EXPECT_EQ(received_instance, expected_instance);
EXPECT_EQ(received_argc, expected_argc);
EXPECT_EQ(received_argn, expected_argn);
EXPECT_EQ(received_argv, expected_argv);
PP_Rect expected_position = { {1, 2}, {3, 4} };
PP_Rect expected_clip = { {5, 6}, {7, 8} };
ViewData data;
data.rect = expected_position;
data.is_fullscreen = false;
data.is_page_visible = true;
data.clip_rect = expected_clip;
data.device_scale = 1.0f;
ResetReceived();
LockingResourceReleaser view_resource(
(new PPB_View_Shared(OBJECT_IS_IMPL,
expected_instance, data))->GetReference());
ppp_instance->DidChangeView(expected_instance, view_resource.get());
did_change_view_called.Wait();
EXPECT_EQ(received_instance, expected_instance);
EXPECT_EQ(received_position.point.x, expected_position.point.x);
EXPECT_EQ(received_position.point.y, expected_position.point.y);
EXPECT_EQ(received_position.size.width, expected_position.size.width);
EXPECT_EQ(received_position.size.height, expected_position.size.height);
EXPECT_EQ(received_clip.point.x, expected_clip.point.x);
EXPECT_EQ(received_clip.point.y, expected_clip.point.y);
EXPECT_EQ(received_clip.size.width, expected_clip.size.width);
EXPECT_EQ(received_clip.size.height, expected_clip.size.height);
PP_Bool expected_has_focus = PP_TRUE;
ResetReceived();
ppp_instance->DidChangeFocus(expected_instance, expected_has_focus);
did_change_focus_called.Wait();
EXPECT_EQ(received_instance, expected_instance);
EXPECT_EQ(received_has_focus, expected_has_focus);
// TODO(dmichael): Need to mock out a resource Tracker to be able to test
// HandleResourceLoad. It also requires
// PPB_Core.AddRefResource and for PPB_URLLoader to be
// registered.
host().resource_tracker().DidDeleteInstance(expected_instance);
}
} // namespace proxy
} // namespace ppapi
|
