1// Copyright 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 "ppapi/tests/test_trace_event.h"
6
7#include "ppapi/cpp/module.h"
8#include "ppapi/tests/testing_instance.h"
9
10REGISTER_TEST_CASE(TraceEvent);
11
12TestTraceEvent::TestTraceEvent(TestingInstance* instance)
13    : TestCase(instance),
14      interface_(NULL) {
15}
16
17bool TestTraceEvent::Init() {
18  interface_ = static_cast<const PPB_Trace_Event_Dev*>(
19      pp::Module::Get()->GetBrowserInterface(PPB_TRACE_EVENT_DEV_INTERFACE));
20  return !!interface_;
21}
22
23void TestTraceEvent::RunTests(const std::string& filter) {
24  RUN_TEST(Smoke, filter);
25  RUN_TEST(SmokeWithTimestamps, filter);
26  RUN_TEST(Clock, filter);
27}
28
29std::string TestTraceEvent::TestSmoke() {
30  // This test does not verify the log message actually reaches dev tracing, but
31  // it does test that the interface exists and that it can be called without
32  // crashing.
33  const void* cat_enabled = interface_->GetCategoryEnabled("bar");
34  interface_->AddTraceEvent('B', cat_enabled, "foo", 0, 0, NULL, NULL, NULL, 0);
35  interface_->AddTraceEvent('E', cat_enabled, "foo", 0, 0, NULL, NULL, NULL, 0);
36  PASS();
37}
38
39std::string TestTraceEvent::TestSmokeWithTimestamps() {
40  // This test does not verify the log message actually reaches dev tracing, but
41  // it does test that the interface exists and that it can be called without
42  // crashing.
43  const void* cat_enabled = interface_->GetCategoryEnabled("bar");
44  interface_->AddTraceEventWithThreadIdAndTimestamp(
45    'B', cat_enabled, "foo", 0, 0, 42, 0, NULL, NULL, NULL, 0);
46  interface_->AddTraceEventWithThreadIdAndTimestamp(
47    'B', cat_enabled, "foo", 0, 1, 43, 0, NULL, NULL, NULL, 0);
48  interface_->AddTraceEventWithThreadIdAndTimestamp(
49    'E', cat_enabled, "foo", 0, 0, 44, 0, NULL, NULL, NULL, 0);
50  interface_->AddTraceEventWithThreadIdAndTimestamp(
51    'E', cat_enabled, "foo", 0, 1, 45, 0, NULL, NULL, NULL, 0);
52  PASS();
53}
54
55std::string TestTraceEvent::TestClock() {
56  int64_t last = interface_->Now();
57
58  for(int i=0; i<5; ++i){
59    int64_t next = interface_->Now();
60    ASSERT_LE(last, next);
61    last = next;
62  }
63
64  PASS();
65}
66