aboutsummaryrefslogtreecommitdiffhomepage
path: root/tests/MessageBusTest.cpp
blob: 163addf8f05cb9e34a8a4f4378cd0b4348fa5abf (plain)
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
/*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "SkMessageBus.h"
#include "Test.h"

struct TestMessage {
    int x;
    float y;
};
DECLARE_SKMESSAGEBUS_MESSAGE(TestMessage)

DEF_TEST(MessageBus, r) {
    // Register two inboxes to receive all TestMessages.
    SkMessageBus<TestMessage>::Inbox inbox1, inbox2;

    // Send two messages.
    const TestMessage m1 = { 5, 4.2f };
    const TestMessage m2 = { 6, 4.3f };
    SkMessageBus<TestMessage>::Post(m1);
    SkMessageBus<TestMessage>::Post(m2);

    // Make sure we got two.
    SkTArray<TestMessage> messages;
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 2 == messages.count());
    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 };
    SkMessageBus<TestMessage>::Post(m3);
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 1 == messages.count());
    REPORTER_ASSERT(r, 1 == messages[0].x);

    // Nothing was sent since the last read.
    inbox1.poll(&messages);
    REPORTER_ASSERT(r, 0 == messages.count());

    // Over all this time, inbox2 should have piled up 3 messages.
    inbox2.poll(&messages);
    REPORTER_ASSERT(r, 3 == messages.count());
    REPORTER_ASSERT(r, 5 == messages[0].x);
    REPORTER_ASSERT(r, 6 == messages[1].x);
    REPORTER_ASSERT(r, 1 == messages[2].x);
}

// Multithreaded tests tbd.