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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/TestSuite.h>
28#include <AK/String.h>
29#include <AK/Weakable.h>
30#include <AK/WeakPtr.h>
31
32class SimpleWeakable : public Weakable<SimpleWeakable> {
33public:
34 SimpleWeakable() {}
35
36private:
37 int m_member { 123 };
38};
39
40TEST_CASE(basic_weak)
41{
42 WeakPtr<SimpleWeakable> weak1;
43 WeakPtr<SimpleWeakable> weak2;
44
45 {
46 SimpleWeakable simple;
47 weak1 = simple.make_weak_ptr();
48 weak2 = simple.make_weak_ptr();
49 EXPECT_EQ(weak1.is_null(), false);
50 EXPECT_EQ(weak2.is_null(), false);
51 EXPECT_EQ(weak1.ptr(), &simple);
52 EXPECT_EQ(weak1.ptr(), weak2.ptr());
53 }
54
55 EXPECT_EQ(weak1.is_null(), true);
56 EXPECT_EQ(weak1.ptr(), nullptr);
57 EXPECT_EQ(weak1.ptr(), weak2.ptr());
58}
59
60TEST_CASE(weakptr_move)
61{
62 WeakPtr<SimpleWeakable> weak1;
63 WeakPtr<SimpleWeakable> weak2;
64
65 {
66 SimpleWeakable simple;
67 weak1 = simple.make_weak_ptr();
68 weak2 = move(weak1);
69 EXPECT_EQ(weak1.is_null(), true);
70 EXPECT_EQ(weak2.is_null(), false);
71 EXPECT_EQ(weak2.ptr(), &simple);
72 }
73
74 EXPECT_EQ(weak2.is_null(), true);
75
76 fprintf(stderr, "ok\n");
77}
78
79TEST_MAIN(WeakPtr)