gecko/dom/audiochannel/tests/TestAudioChannelService.cpp
Ehsan Akhgari 0b2aaa5f23 Bug 1060987 - Fix more bad implicit constructors in DOM; r=baku
--HG--
extra : rebase_source : 01709017e97fdc96d1d53eb881efc1792118edc4
2014-09-01 20:49:25 -04:00

668 lines
20 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifdef XP_WIN
#include <windows.h>
#else
#include <unistd.h>
#endif
#include "TestHarness.h"
#include "nsWeakReference.h"
#include "AudioChannelService.h"
#include "AudioChannelAgent.h"
#include "nsThreadUtils.h"
#define TEST_ENSURE_BASE(_test, _msg) \
PR_BEGIN_MACRO \
if (!(_test)) { \
fail(_msg); \
return NS_ERROR_FAILURE; \
} else { \
passed(_msg); \
} \
PR_END_MACRO
using namespace mozilla::dom;
void
spin_events_loop_until_false(const bool* const aCondition)
{
nsCOMPtr<nsIThread> thread(::do_GetCurrentThread());
nsresult rv = NS_OK;
bool processed = true;
while (*aCondition && NS_SUCCEEDED(rv)) {
rv = thread->ProcessNextEvent(true, &processed);
}
}
class Agent : public nsIAudioChannelAgentCallback,
public nsSupportsWeakReference
{
protected:
virtual ~Agent()
{
if (mRegistered) {
StopPlaying();
}
}
public:
NS_DECL_ISUPPORTS
explicit Agent(AudioChannel aChannel)
: mChannel(aChannel)
, mWaitCallback(false)
, mRegistered(false)
, mCanPlay(AUDIO_CHANNEL_STATE_MUTED)
{
mAgent = do_CreateInstance("@mozilla.org/audiochannelagent;1");
}
nsresult Init(bool video=false)
{
nsresult rv = NS_OK;
if (video) {
rv = mAgent->InitWithVideo(nullptr, static_cast<int32_t>(mChannel),
this, true);
}
else {
rv = mAgent->InitWithWeakCallback(nullptr, static_cast<int32_t>(mChannel),
this);
}
NS_ENSURE_SUCCESS(rv, rv);
return mAgent->SetVisibilityState(false);
}
nsresult StartPlaying(AudioChannelState *_ret)
{
if (mRegistered) {
StopPlaying();
}
nsresult rv = mAgent->StartPlaying((int32_t *)_ret);
mRegistered = true;
return rv;
}
nsresult StopPlaying()
{
mRegistered = false;
spin_events_loop_until_false(&mWaitCallback);
return mAgent->StopPlaying();
}
nsresult SetVisibilityState(bool visible)
{
if (mRegistered) {
mWaitCallback = true;
}
return mAgent->SetVisibilityState(visible);
}
NS_IMETHODIMP CanPlayChanged(int32_t canPlay)
{
mCanPlay = static_cast<AudioChannelState>(canPlay);
mWaitCallback = false;
return NS_OK;
}
NS_IMETHODIMP WindowVolumeChanged()
{
return NS_OK;
}
nsresult GetCanPlay(AudioChannelState *_ret, bool aWaitCallback = false)
{
if (aWaitCallback) {
mWaitCallback = true;
}
spin_events_loop_until_false(&mWaitCallback);
*_ret = mCanPlay;
return NS_OK;
}
nsCOMPtr<nsIAudioChannelAgent> mAgent;
AudioChannel mChannel;
bool mWaitCallback;
bool mRegistered;
AudioChannelState mCanPlay;
};
NS_IMPL_ISUPPORTS(Agent, nsIAudioChannelAgentCallback,
nsISupportsWeakReference)
nsresult
TestDoubleStartPlaying()
{
nsRefPtr<Agent> agent = new Agent(AudioChannel::Normal);
nsresult rv = agent->Init();
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = agent->mAgent->StartPlaying((int32_t *)&playable);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent->mAgent->StartPlaying((int32_t *)&playable);
TEST_ENSURE_BASE(NS_FAILED(rv),
"Test0: StartPlaying calling twice must return error");
return NS_OK;
}
nsresult
TestOneNormalChannel()
{
nsRefPtr<Agent> agent = new Agent(AudioChannel::Normal);
nsresult rv = agent->Init();
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = agent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test1: A normal channel unvisible agent must be muted");
rv = agent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test1: A normal channel visible agent must be playable");
return rv;
}
nsresult
TestTwoNormalChannels()
{
nsRefPtr<Agent> agent1 = new Agent(AudioChannel::Normal);
nsresult rv = agent1->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> agent2 = new Agent(AudioChannel::Normal);
rv = agent2->Init();
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = agent1->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test2: A normal channel unvisible agent1 must be muted");
rv = agent2->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test2: A normal channel unvisible agent2 must be muted");
rv = agent1->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent2->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test2: A normal channel visible agent1 must be playable");
rv = agent2->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test2: A normal channel visible agent2 must be playable");
return rv;
}
nsresult
TestContentChannels()
{
nsRefPtr<Agent> agent1 = new Agent(AudioChannel::Content);
nsresult rv = agent1->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> agent2 = new Agent(AudioChannel::Content);
rv = agent2->Init();
NS_ENSURE_SUCCESS(rv, rv);
// All content channels in the foreground can be allowed to play
rv = agent1->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent2->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = agent1->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test3: A content channel visible agent1 must be playable");
rv = agent2->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test3: A content channel visible agent2 must be playable");
// Test the transition state of one content channel tried to set non-visible
// state first when app is going to background.
rv = agent1->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test3: A content channel unvisible agent1 must be playable from "
"foreground to background");
// Test all content channels set non-visible already
rv = agent2->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent2->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test3: A content channel unvisible agent2 must be playable from "
"foreground to background");
// Clear the content channels & mActiveContentChildIDs in AudioChannelService.
// If agent stop playable in the background, we will reserve it's childID in
// mActiveContentChildIDs, then it can allow to play next song. So we set agents
// to foreground first then stopping to play
rv = agent1->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent2->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->StopPlaying();
NS_ENSURE_SUCCESS(rv, rv);
rv = agent2->StopPlaying();
NS_ENSURE_SUCCESS(rv, rv);
// Test that content channels can be allow to play when they starts from
// the background state
rv = agent1->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent2->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test3: A content channel unvisible agent1 must be playable "
"from background state");
rv = agent2->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test3: A content channel unvisible agent2 must be playable "
"from background state");
return rv;
}
nsresult
TestFadedState()
{
nsRefPtr<Agent> normalAgent = new Agent(AudioChannel::Normal);
nsresult rv = normalAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> contentAgent = new Agent(AudioChannel::Content);
rv = contentAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> notificationAgent = new Agent(AudioChannel::Notification);
rv = notificationAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
rv = normalAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = contentAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = notificationAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = normalAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test4: A normal channel visible agent must be playable");
rv = contentAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test4: A content channel visible agent must be playable");
rv = notificationAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test4: A notification channel visible agent must be playable");
rv = contentAgent->GetCanPlay(&playable, true);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_FADED,
"Test4: A content channel unvisible agent must be faded because of "
"notification channel is playing");
rv = contentAgent->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = contentAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_FADED,
"Test4: A content channel unvisible agent must be faded because of "
"notification channel is playing");
rv = notificationAgent->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = notificationAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test4: A notification channel unvisible agent must be playable from "
"foreground to background");
rv = notificationAgent->StopPlaying();
NS_ENSURE_SUCCESS(rv, rv);
rv = contentAgent->GetCanPlay(&playable, true);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test4: A content channel unvisible agent must be playable "
"because of notification channel is stopped");
rv = contentAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
return rv;
}
nsresult
TestPriorities()
{
nsRefPtr<Agent> normalAgent = new Agent(AudioChannel::Normal);
nsresult rv = normalAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> contentAgent = new Agent(AudioChannel::Content);
rv = contentAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> notificationAgent = new Agent(AudioChannel::Notification);
rv = notificationAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> alarmAgent = new Agent(AudioChannel::Alarm);
rv = alarmAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> telephonyAgent = new Agent(AudioChannel::Telephony);
rv = telephonyAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> ringerAgent = new Agent(AudioChannel::Ringer);
rv = ringerAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> pNotificationAgent =
new Agent(AudioChannel::Publicnotification);
rv = pNotificationAgent->Init();
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = normalAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test5: A normal channel unvisible agent must be muted");
rv = contentAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A content channel unvisible agent must be playable while "
"playing from background state");
rv = notificationAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A notification channel unvisible agent must be playable");
rv = alarmAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: An alarm channel unvisible agent must be playable");
rv = notificationAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test5: A notification channel unvisible agent must be muted when an "
"alarm is playing");
rv = telephonyAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A telephony channel unvisible agent must be playable");
rv = alarmAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test5: An alarm channel unvisible agent must be muted when a telephony "
"is playing");
rv = ringerAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A ringer channel unvisible agent must be playable");
rv = telephonyAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test5: A telephony channel unvisible agent must be muted when a ringer "
"is playing");
rv = pNotificationAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A pNotification channel unvisible agent must be playable");
rv = ringerAgent->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test5: A ringer channel unvisible agent must be muted when a public "
"notification is playing");
// Stop to play notification channel or normal/content will be faded.
// Which already be tested on Test 4.
rv = notificationAgent->StopPlaying();
NS_ENSURE_SUCCESS(rv, rv);
// Settings visible the normal channel.
rv = normalAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = normalAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A normal channel visible agent must be playable");
// Set the content channel as visible .
rv = contentAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
// Content must be playable because visible.
rv = contentAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A content channel visible agent must be playable");
// Set the alarm channel as visible.
rv = alarmAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = alarmAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: An alarm channel visible agent must be playable");
// Set the telephony channel as visible.
rv = telephonyAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = telephonyAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A telephony channel visible agent must be playable");
// Set the ringer channel as visible.
rv = ringerAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = ringerAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A ringer channel visible agent must be playable");
// Set the public notification channel as visible.
rv = pNotificationAgent->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = pNotificationAgent->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test5: A pNotification channel visible agent must be playable");
return rv;
}
nsresult
TestOneVideoNormalChannel()
{
nsRefPtr<Agent> agent1 = new Agent(AudioChannel::Normal);
nsresult rv = agent1->Init(true);
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<Agent> agent2 = new Agent(AudioChannel::Content);
rv = agent2->Init(false);
NS_ENSURE_SUCCESS(rv, rv);
AudioChannelState playable;
rv = agent1->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test6: A video normal channel invisible agent1 must be muted");
rv = agent2->StartPlaying(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test6: A content channel invisible agent2 must be playable");
// one video normal channel in foreground and one content channel in background
rv = agent1->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test6: A video normal channel visible agent1 must be playable");
rv = agent2->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test6: A content channel invisible agent2 must be muted");
// both one video normal channel and one content channel in foreground
rv = agent2->SetVisibilityState(true);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test6: A video normal channel visible agent1 must be playable");
rv = agent2->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test6: A content channel visible agent2 must be playable");
// one video normal channel in background and one content channel in foreground
rv = agent1->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test6: A video normal channel invisible agent1 must be muted");
rv = agent2->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test6: A content channel visible agent2 must be playable");
// both one video normal channel and one content channel in background
rv = agent2->SetVisibilityState(false);
NS_ENSURE_SUCCESS(rv, rv);
rv = agent1->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_MUTED,
"Test6: A video normal channel invisible agent1 must be muted");
rv = agent2->GetCanPlay(&playable);
NS_ENSURE_SUCCESS(rv, rv);
TEST_ENSURE_BASE(playable == AUDIO_CHANNEL_STATE_NORMAL,
"Test6: A content channel invisible agent2 must be playable");
return rv;
}
int main(int argc, char** argv)
{
ScopedXPCOM xpcom("AudioChannelService");
if (xpcom.failed()) {
return 1;
}
if (NS_FAILED(TestDoubleStartPlaying())) {
return 1;
}
if (NS_FAILED(TestOneNormalChannel())) {
return 1;
}
if (NS_FAILED(TestTwoNormalChannels())) {
return 1;
}
if (NS_FAILED(TestContentChannels())) {
return 1;
}
if (NS_FAILED(TestFadedState())) {
return 1;
}
// Channel type with AudioChannel::Telephony cannot be unregistered until the
// main thread has chances to process 1500 millisecond timer. In order to
// skip ambiguous return value of ChannelsActiveWithHigherPriorityThan(), new
// test cases are added before any test case that registers the channel type
// with AudioChannel::Telephony channel.
if (NS_FAILED(TestOneVideoNormalChannel())) {
return 1;
}
if (NS_FAILED(TestPriorities())) {
return 1;
}
return 0;
}