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Side by Side Diff: tests/CPlusPlusEleven.cpp

Issue 1436033003: skstd -> std for unique_ptr (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: more functions Created 4 years, 11 months ago
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1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7 #include "Test.h"
8 #include "SkTemplates.h"
9 #include <utility>
10
11 namespace {
12 class Moveable {
13 public:
14 Moveable() {}
15 Moveable(Moveable&&) {}
16 Moveable& operator=(Moveable&&) { return *this; }
17 private:
18 Moveable(const Moveable&);
19 Moveable& operator=(const Moveable&);
20 };
21 template <typename T> void deleter(T*) { }
22 template <typename T> struct Deleter {
23 void operator()(T* t) { delete static_cast<const Moveable*>(t); }
24 };
25 } // namespace
26
27 DEF_TEST(CPlusPlusEleven_RvalueAndMove, r) {
28 Moveable src1; Moveable dst1(std::move(src1));
29 Moveable src2, dst2; dst2 = std::move(src2);
30 }
31
32 #define TOO_BIG "The unique_ptr was bigger than expected."
33 #define WEIRD_SIZE "The unique_ptr was a different size than expected."
34
35 DEF_TEST(CPlusPlusEleven_UniquePtr, r) {
36 struct SmallUniquePtr {
37 Moveable* p;
38 };
39 struct BigUniquePtr {
40 void(*d)(Moveable*);
41 Moveable* p;
42 };
43
44 static_assert(sizeof(skstd::unique_ptr<Moveable>) == sizeof(SmallUniquePtr), TOO_BIG);
45 static_assert(sizeof(skstd::unique_ptr<Moveable[]>) == sizeof(SmallUniquePtr ), TOO_BIG);
46
47 using proc = void(*)(Moveable*);
48 static_assert(sizeof(skstd::unique_ptr<Moveable, proc>) == sizeof(BigUniqueP tr), WEIRD_SIZE);
49 static_assert(sizeof(skstd::unique_ptr<Moveable[], proc>) == sizeof(BigUniqu ePtr), WEIRD_SIZE);
50
51 {
52 skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, deleter<Movea ble>);
53 static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE);
54
55 auto u2 = std::move(u);
56 static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE);
57 }
58
59 {
60 skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, [](Moveable* m){ deleter(m); });
61 static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE);
62
63 auto u2 = std::move(u);
64 static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE);
65 }
66
67 {
68 auto d = [](Moveable* m){ deleter(m); };
69 skstd::unique_ptr<Moveable, decltype(d)> u(nullptr, d);
70 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
71
72 auto u2 = std::move(u);
73 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
74 }
75
76 {
77 skstd::unique_ptr<Moveable, Deleter<Moveable>> u(nullptr, Deleter<Moveab le>());
78 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
79
80 auto u2 = std::move(u);
81 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
82 }
83
84 {
85 skstd::unique_ptr<Moveable, Deleter<Moveable>> u(new Moveable(), Deleter <Moveable>());
86 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
87
88 auto u2 = std::move(u);
89 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
90 }
91
92 {
93 skstd::unique_ptr<const void, Deleter<const void>> u(new Moveable(), Del eter<const void>());
94 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
95
96 auto u2 = std::move(u);
97 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
98 }
99 }
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