MessageBusTest.cpp File Reference

#include "include/core/SkRefCnt.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GrDirectContext.h"
#include "include/private/base/SkTArray.h"
#include "src/core/SkMessageBus.h"
#include "tests/Test.h"
#include <cstdint>
#include <utility>

Go to the source code of this file.

Functions
	DEF_TEST (MessageBus, r)
	DEF_TEST (MessageBusSp, r)
	DEF_TEST (MessageBus_SkShouldPostMessageToBus, r)

Function Documentation

DEF_TEST() [1/3]

DEF_TEST	(	MessageBus	,
		r
	)

Definition at line 37 of file MessageBusTest.cpp.

                        {
    using TestMessageBus = SkMessageBus<TestMessage, uint32_t>;
    // Register two inboxes to receive all TestMessages.
    TestMessageBus::Inbox inbox1(0), inbox2(0);
 
    // Send two messages.
    const TestMessage m1 = { 5, 4.2f };
    const TestMessage m2 = { 6, 4.3f };
    TestMessageBus::Post(std::move(m1));
    TestMessageBus::Post(std::move(m2));
 
    // Make sure we got two.
    TArray<TestMessage> messages;
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 2 == messages.size());
    REPORTER_ASSERT(r, 5 == messages[0].x);
    REPORTER_ASSERT(r, 6 == messages[1].x);
 
    // Send another; check we get just that one.
    const TestMessage m3 = { 1, 0.3f };
    TestMessageBus::Post(m3);
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 1 == messages.size());
    REPORTER_ASSERT(r, 1 == messages[0].x);
 
    // Nothing was sent since the last read.
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 0 == messages.size());
 
    // Over all this time, inbox2 should have piled up 3 messages.
    inbox2.poll(&messages);
    REPORTER_ASSERT(r, 3 == messages.size());
    REPORTER_ASSERT(r, 5 == messages[0].x);
    REPORTER_ASSERT(r, 6 == messages[1].x);
    REPORTER_ASSERT(r, 1 == messages[2].x);
}

DEF_TEST() [2/3]

DEF_TEST	(	MessageBus_SkShouldPostMessageToBus	,
		r
	)

Definition at line 147 of file MessageBusTest.cpp.

                                                 {
    using ID = GrDirectContext::DirectContextID;
    using AddressedMessageBus = SkMessageBus<AddressedMessage, ID>;
 
    ID idInvalid;
    ID id1 = ID::Next(),
       id2 = ID::Next(),
       id3 = ID::Next();
 
    AddressedMessageBus::Inbox inbox1(id1), inbox2(id2);
 
    AddressedMessageBus::Post({idInvalid});  // Should go to both
    AddressedMessageBus::Post({id1});        // Should go to inbox1
    AddressedMessageBus::Post({id2});        // Should go to inbox2
    AddressedMessageBus::Post({id3});        // Should go nowhere
 
    TArray<AddressedMessage> messages;
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, messages.size() == 2);
    if (messages.size() == 2) {
        REPORTER_ASSERT(r, !messages[0].fInboxID.isValid());
        REPORTER_ASSERT(r, messages[1].fInboxID == id1);
    }
    inbox2.poll(&messages);
    REPORTER_ASSERT(r, messages.size() == 2);
    if (messages.size() == 2) {
        REPORTER_ASSERT(r, !messages[0].fInboxID.isValid());
        REPORTER_ASSERT(r, messages[1].fInboxID == id2);
    }
}

DEF_TEST() [3/3]

DEF_TEST	(	MessageBusSp	,
		r
	)

Definition at line 91 of file MessageBusTest.cpp.

                          {
    // Register two inboxes to receive all TestMessages.
    using TestMessageBus = SkMessageBus<sk_sp<TestMessageRefCnt>, uint32_t, false>;
    TestMessageBus::Inbox inbox1(0);
 
    // Send two messages.
    auto m1 = sk_make_sp<TestMessageRefCnt>(5, 4.2f);
    auto m2 = sk_make_sp<TestMessageRefCnt>(6, 4.3f);
    TestMessageBus::Post(std::move(m1));
    TestMessageBus::Post(std::move(m2));
 
    // Make sure we got two.
    TArray<sk_sp<TestMessageRefCnt>> messages;
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 2 == messages.size());
    REPORTER_ASSERT(r, messages[0]->unique());
    REPORTER_ASSERT(r, messages[1]->unique());
    REPORTER_ASSERT(r, 5 == messages[0]->x);
    REPORTER_ASSERT(r, 6 == messages[1]->x);
 
    // Send another; check we get just that one.
    auto m3 = sk_make_sp<TestMessageRefCnt>(1, 0.3f);
    TestMessageBus::Post(std::move(m3));
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 1 == messages.size());
    REPORTER_ASSERT(r, messages[0]->unique());
    REPORTER_ASSERT(r, 1 == messages[0]->x);
 
    // Send another without std::move(), it should trigger SkASSERT().
    // auto m4 = sk_make_sp<TestMessageRefCnt>(1, 0.3f);
    // TestMessageBus::Post(m4);
 
    // Nothing was sent since the last read.
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 0 == messages.size());
}