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
|
/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/base/event_tracer.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/base/trace_event.h"
#include "webrtc/system_wrappers/include/static_instance.h"
namespace {
class TestStatistics {
public:
TestStatistics() : events_logged_(0) {
}
void Reset() {
events_logged_ = 0;
}
void Increment() {
++events_logged_;
}
int Count() const { return events_logged_; }
static TestStatistics* Get() {
static TestStatistics* test_stats = NULL;
if (!test_stats)
test_stats = new TestStatistics();
return test_stats;
}
private:
int events_logged_;
};
static const unsigned char* GetCategoryEnabledHandler(const char* name) {
return reinterpret_cast<const unsigned char*>("test");
}
static void AddTraceEventHandler(char phase,
const unsigned char* category_enabled,
const char* name,
unsigned long long id,
int num_args,
const char** arg_names,
const unsigned char* arg_types,
const unsigned long long* arg_values,
unsigned char flags) {
TestStatistics::Get()->Increment();
}
} // namespace
namespace webrtc {
TEST(EventTracerTest, EventTracerDisabled) {
{
TRACE_EVENT0("test", "EventTracerDisabled");
}
EXPECT_FALSE(TestStatistics::Get()->Count());
TestStatistics::Get()->Reset();
}
TEST(EventTracerTest, ScopedTraceEvent) {
SetupEventTracer(&GetCategoryEnabledHandler, &AddTraceEventHandler);
{
TRACE_EVENT0("test", "ScopedTraceEvent");
}
EXPECT_EQ(2, TestStatistics::Get()->Count());
TestStatistics::Get()->Reset();
}
} // namespace webrtc
|
