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
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* object-invoke.cpp - Cross-thread Object method invocation test
*/
#include <iostream>
#include <thread>
#include <libcamera/event_dispatcher.h>
#include <libcamera/object.h>
#include "test.h"
#include "thread.h"
using namespace std;
using namespace libcamera;
class InvokedObject : public Object
{
public:
enum Status {
NoCall,
InvalidThread,
CallReceived,
};
InvokedObject()
: status_(NoCall)
{
}
Status status() const { return status_; }
int value() const { return value_; }
void reset()
{
status_ = NoCall;
value_ = 0;
}
void method(int value)
{
if (Thread::current() != thread())
status_ = InvalidThread;
else
status_ = CallReceived;
value_ = value;
}
void methodWithReference(const int &value)
{
}
private:
Status status_;
int value_;
};
class ObjectInvokeTest : public Test
{
protected:
int run()
{
EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
/*
* Test that queued method invocation in the same thread goes
* through the event dispatcher.
*/
object_.invokeMethod(&InvokedObject::method,
ConnectionTypeQueued, 42);
if (object_.status() != InvokedObject::NoCall) {
cerr << "Method not invoked asynchronously" << endl;
return TestFail;
}
dispatcher->processEvents();
switch (object_.status()) {
case InvokedObject::NoCall:
cout << "Method not invoked for main thread" << endl;
return TestFail;
case InvokedObject::InvalidThread:
cout << "Method invoked in incorrect thread for main thread" << endl;
return TestFail;
default:
break;
}
if (object_.value() != 42) {
cout << "Method invoked with incorrect value for main thread" << endl;
return TestFail;
}
/*
* Move the object to a thread and verify that auto method
* invocation is delivered in the correct thread.
*/
object_.reset();
object_.moveToThread(&thread_);
thread_.start();
object_.invokeMethod(&InvokedObject::method,
ConnectionTypeBlocking, 42);
switch (object_.status()) {
case InvokedObject::NoCall:
cout << "Method not invoked for custom thread" << endl;
return TestFail;
case InvokedObject::InvalidThread:
cout << "Method invoked in incorrect thread for custom thread" << endl;
return TestFail;
default:
break;
}
if (object_.value() != 42) {
cout << "Method invoked with incorrect value for custom thread" << endl;
return TestFail;
}
/* Test that direct method invocation bypasses threads. */
object_.reset();
object_.invokeMethod(&InvokedObject::method,
ConnectionTypeDirect, 42);
switch (object_.status()) {
case InvokedObject::NoCall:
cout << "Method not invoked for custom thread" << endl;
return TestFail;
case InvokedObject::CallReceived:
cout << "Method invoked in incorrect thread for direct call" << endl;
return TestFail;
default:
break;
}
if (object_.value() != 42) {
cout << "Method invoked with incorrect value for direct call" << endl;
return TestFail;
}
/*
* Test invoking a method that takes reference arguments. This
* targets compilation, there's no need to check runtime
* results.
*/
object_.invokeMethod(&InvokedObject::methodWithReference,
ConnectionTypeBlocking, 42);
return TestPass;
}
void cleanup()
{
thread_.exit(0);
thread_.wait();
}
private:
Thread thread_;
InvokedObject object_;
};
TEST_REGISTER(ObjectInvokeTest)
|
