1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * 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 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#include <wtf/UniqueRef.h>
29#include <wtf/Vector.h>
30
31namespace TestWebKitAPI {
32
33class A {
34 WTF_MAKE_FAST_ALLOCATED;
35};
36class B {
37 WTF_MAKE_FAST_ALLOCATED;
38public:
39 B(int a, int b, int c)
40 : a(a)
41 , b(b)
42 , c(c)
43 { };
44 int a;
45 int b;
46 int c;
47};
48class C {
49 WTF_MAKE_FAST_ALLOCATED;
50public:
51 C(UniqueRef<A>&& a)
52 : a(WTFMove(a))
53 { }
54 UniqueRef<A> a;
55};
56class D : public A { };
57
58void function(const UniqueRef<A> a)
59{
60 const A& b = a.get();
61 const A* c = &a;
62 UNUSED_PARAM(b);
63 UNUSED_PARAM(c);
64}
65
66TEST(WTF, UniqueRef)
67{
68 UniqueRef<A> a = makeUniqueRef<A>();
69 UniqueRef<B> b = makeUniqueRef<B>(1, 2, 3);
70 B& c = b.get();
71 const B& d = b.get();
72 B* e = &b;
73 const B* f = &b;
74 UniqueRef<A> j = WTFMove(a);
75
76 Vector<UniqueRef<B>> v;
77 v.append(makeUniqueRef<B>(4, 5, 6));
78 v.append(makeUniqueRef<B>(7, 8, 9));
79 UniqueRef<B> g = v.takeLast();
80 ASSERT_EQ(g->b, 8);
81 ASSERT_EQ(v.last()->b, 5);
82
83 C h(makeUniqueRef<A>());
84 C i(makeUniqueRef<D>());
85
86 UNUSED_PARAM(b);
87 UNUSED_PARAM(c);
88 UNUSED_PARAM(d);
89 UNUSED_PARAM(e);
90 UNUSED_PARAM(f);
91 UNUSED_PARAM(g);
92 UNUSED_PARAM(h);
93 UNUSED_PARAM(i);
94 UNUSED_PARAM(j);
95}
96
97} // namespace TestWebKitAPI
98