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-rw-r--r--libs/utils/tests/Looper_test.cpp268
1 files changed, 268 insertions, 0 deletions
diff --git a/libs/utils/tests/Looper_test.cpp b/libs/utils/tests/Looper_test.cpp
index cea1313..8bf2ba2 100644
--- a/libs/utils/tests/Looper_test.cpp
+++ b/libs/utils/tests/Looper_test.cpp
@@ -16,6 +16,13 @@
namespace android {
+enum {
+ MSG_TEST1 = 1,
+ MSG_TEST2 = 2,
+ MSG_TEST3 = 3,
+ MSG_TEST4 = 4,
+};
+
class DelayedWake : public DelayedTask {
sp<Looper> mLooper;
@@ -82,6 +89,15 @@ protected:
}
};
+class StubMessageHandler : public MessageHandler {
+public:
+ Vector<Message> messages;
+
+ virtual void handleMessage(const Message& message) {
+ messages.push(message);
+ }
+};
+
class LooperTest : public testing::Test {
protected:
sp<Looper> mLooper;
@@ -421,5 +437,257 @@ TEST_F(LooperTest, PollOnce_WhenCallbackAddedTwice_OnlySecondCallbackShouldBeInv
<< "replacement handler callback should be invoked";
}
+TEST_F(LooperTest, SendMessage_WhenOneMessageIsEnqueue_ShouldInvokeHandlerDuringNextPoll) {
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessage(handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was already sent";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+}
+
+TEST_F(LooperTest, SendMessage_WhenMultipleMessagesAreEnqueued_ShouldInvokeHandlersInOrderDuringNextPoll) {
+ sp<StubMessageHandler> handler1 = new StubMessageHandler();
+ sp<StubMessageHandler> handler2 = new StubMessageHandler();
+ mLooper->sendMessage(handler1, Message(MSG_TEST1));
+ mLooper->sendMessage(handler2, Message(MSG_TEST2));
+ mLooper->sendMessage(handler1, Message(MSG_TEST3));
+ mLooper->sendMessage(handler1, Message(MSG_TEST4));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was already sent";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+ EXPECT_EQ(size_t(3), handler1->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler1->messages[0].what)
+ << "handled message";
+ EXPECT_EQ(MSG_TEST3, handler1->messages[1].what)
+ << "handled message";
+ EXPECT_EQ(MSG_TEST4, handler1->messages[2].what)
+ << "handled message";
+ EXPECT_EQ(size_t(1), handler2->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST2, handler2->messages[0].what)
+ << "handled message";
+}
+
+TEST_F(LooperTest, SendMessageDelayed_WhenSentToTheFuture_ShouldInvokeHandlerAfterDelayTime) {
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessageDelayed(ms2ns(100), handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "first poll should end quickly because next message timeout was computed";
+ EXPECT_EQ(ALOOPER_POLL_WAKE, result)
+ << "pollOnce result should be ALOOPER_POLL_WAKE due to wakeup";
+ EXPECT_EQ(size_t(0), handler->messages.size())
+ << "no message handled yet";
+
+ result = mLooper->pollOnce(1000);
+ elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "second poll should end around the time of the delayed message dispatch";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+
+ result = mLooper->pollOnce(100);
+ elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100 + 100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "third poll should timeout";
+ EXPECT_EQ(ALOOPER_POLL_TIMEOUT, result)
+ << "pollOnce result should be ALOOPER_POLL_TIMEOUT because there were no messages left";
+}
+
+TEST_F(LooperTest, SendMessageDelayed_WhenSentToThePast_ShouldInvokeHandlerDuringNextPoll) {
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessageDelayed(ms2ns(-1000), handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was already sent";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+}
+
+TEST_F(LooperTest, SendMessageDelayed_WhenSentToThePresent_ShouldInvokeHandlerDuringNextPoll) {
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessageDelayed(0, handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was already sent";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+}
+
+TEST_F(LooperTest, SendMessageAtTime_WhenSentToTheFuture_ShouldInvokeHandlerAfterDelayTime) {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessageAtTime(now + ms2ns(100), handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "first poll should end quickly because next message timeout was computed";
+ EXPECT_EQ(ALOOPER_POLL_WAKE, result)
+ << "pollOnce result should be ALOOPER_POLL_WAKE due to wakeup";
+ EXPECT_EQ(size_t(0), handler->messages.size())
+ << "no message handled yet";
+
+ result = mLooper->pollOnce(1000);
+ elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "second poll should end around the time of the delayed message dispatch";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+
+ result = mLooper->pollOnce(100);
+ elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100 + 100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "third poll should timeout";
+ EXPECT_EQ(ALOOPER_POLL_TIMEOUT, result)
+ << "pollOnce result should be ALOOPER_POLL_TIMEOUT because there were no messages left";
+}
+
+TEST_F(LooperTest, SendMessageAtTime_WhenSentToThePast_ShouldInvokeHandlerDuringNextPoll) {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessageAtTime(now - ms2ns(1000), handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was already sent";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+}
+
+TEST_F(LooperTest, SendMessageAtTime_WhenSentToThePresent_ShouldInvokeHandlerDuringNextPoll) {
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessageAtTime(now, handler, Message(MSG_TEST1));
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was already sent";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because message was sent";
+ EXPECT_EQ(size_t(1), handler->messages.size())
+ << "handled message";
+ EXPECT_EQ(MSG_TEST1, handler->messages[0].what)
+ << "handled message";
+}
+
+TEST_F(LooperTest, RemoveMessage_WhenRemovingAllMessagesForHandler_ShouldRemoveThoseMessage) {
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessage(handler, Message(MSG_TEST1));
+ mLooper->sendMessage(handler, Message(MSG_TEST2));
+ mLooper->sendMessage(handler, Message(MSG_TEST3));
+ mLooper->removeMessages(handler);
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was sent so looper was awoken";
+ EXPECT_EQ(ALOOPER_POLL_WAKE, result)
+ << "pollOnce result should be ALOOPER_POLL_WAKE because looper was awoken";
+ EXPECT_EQ(size_t(0), handler->messages.size())
+ << "no messages to handle";
+
+ result = mLooper->pollOnce(0);
+
+ EXPECT_EQ(ALOOPER_POLL_TIMEOUT, result)
+ << "pollOnce result should be ALOOPER_POLL_TIMEOUT because there was nothing to do";
+ EXPECT_EQ(size_t(0), handler->messages.size())
+ << "no messages to handle";
+}
+
+TEST_F(LooperTest, RemoveMessage_WhenRemovingSomeMessagesForHandler_ShouldRemoveThoseMessage) {
+ sp<StubMessageHandler> handler = new StubMessageHandler();
+ mLooper->sendMessage(handler, Message(MSG_TEST1));
+ mLooper->sendMessage(handler, Message(MSG_TEST2));
+ mLooper->sendMessage(handler, Message(MSG_TEST3));
+ mLooper->sendMessage(handler, Message(MSG_TEST4));
+ mLooper->removeMessages(handler, MSG_TEST3);
+ mLooper->removeMessages(handler, MSG_TEST1);
+
+ StopWatch stopWatch("pollOnce");
+ int result = mLooper->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because message was sent so looper was awoken";
+ EXPECT_EQ(ALOOPER_POLL_CALLBACK, result)
+ << "pollOnce result should be ALOOPER_POLL_CALLBACK because two messages were sent";
+ EXPECT_EQ(size_t(2), handler->messages.size())
+ << "no messages to handle";
+ EXPECT_EQ(MSG_TEST2, handler->messages[0].what)
+ << "handled message";
+ EXPECT_EQ(MSG_TEST4, handler->messages[1].what)
+ << "handled message";
+
+ result = mLooper->pollOnce(0);
+
+ EXPECT_EQ(ALOOPER_POLL_TIMEOUT, result)
+ << "pollOnce result should be ALOOPER_POLL_TIMEOUT because there was nothing to do";
+ EXPECT_EQ(size_t(2), handler->messages.size())
+ << "no more messages to handle";
+}
} // namespace android
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