1 /*
2 * Copyright (c) 2021, The OpenThread Authors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the copyright holder nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "common/callback.hpp"
30
31 #include <CppUTest/TestHarness.h>
32
TEST_GROUP(IsNull)33 TEST_GROUP(IsNull){};
34
TEST(IsNull,NullptrIsNull)35 TEST(IsNull, NullptrIsNull)
36 {
37 otbr::OnceCallback<void(void)> noop = nullptr;
38
39 CHECK_TRUE(noop.IsNull());
40 }
41
TEST(IsNull,NonNullptrIsNotNull)42 TEST(IsNull, NonNullptrIsNotNull)
43 {
44 otbr::OnceCallback<void(void)> noop = [](void) {};
45
46 CHECK_FALSE(noop.IsNull());
47 }
48
TEST(IsNull,IsNullAfterInvoking)49 TEST(IsNull, IsNullAfterInvoking)
50 {
51 otbr::OnceCallback<int(int)> square = [](int x) { return x * x; };
52
53 std::move(square)(5);
54
55 CHECK_TRUE(square.IsNull());
56 }
57
TEST_GROUP(VerifyInvocation)58 TEST_GROUP(VerifyInvocation){};
59
TEST(VerifyInvocation,CallbackResultIsExpected)60 TEST(VerifyInvocation, CallbackResultIsExpected)
61 {
62 otbr::OnceCallback<int(int)> square = [](int x) { return x * x; };
63
64 int ret = std::move(square)(5);
65
66 CHECK_EQUAL(ret, 25);
67 }
68