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Side by Side Diff: tests/CPlusPlusEleven.cpp

Issue 1561683002: Start using <type_traits> and <utility> (C++11). (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix skstd::unique_ptr::compressed_pair. Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright 2015 Google Inc. 2 * Copyright 2015 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 #include "Test.h" 7 #include "Test.h"
8 #include "SkTemplates.h" 8 #include "SkTemplates.h"
9 #include <utility>
9 10
10 namespace { 11 namespace {
11 class Moveable { 12 class Moveable {
12 public: 13 public:
13 Moveable() {} 14 Moveable() {}
14 Moveable(Moveable&&) {} 15 Moveable(Moveable&&) {}
15 Moveable& operator=(Moveable&&) { return *this; } 16 Moveable& operator=(Moveable&&) { return *this; }
16 private: 17 private:
17 Moveable(const Moveable&); 18 Moveable(const Moveable&);
18 Moveable& operator=(const Moveable&); 19 Moveable& operator=(const Moveable&);
19 }; 20 };
20 template <typename T> void deleter(T*) { } 21 template <typename T> void deleter(T*) { }
21 template <typename T> struct Deleter { 22 template <typename T> struct Deleter {
22 void operator()(T* t) { delete static_cast<const Moveable*>(t); } 23 void operator()(T* t) { delete static_cast<const Moveable*>(t); }
23 }; 24 };
24 } // namespace 25 } // namespace
25 26
26 DEF_TEST(CPlusPlusEleven_RvalueAndMove, r) { 27 DEF_TEST(CPlusPlusEleven_RvalueAndMove, r) {
27 Moveable src1; Moveable dst1(skstd::move(src1)); 28 Moveable src1; Moveable dst1(std::move(src1));
28 Moveable src2, dst2; dst2 = skstd::move(src2); 29 Moveable src2, dst2; dst2 = std::move(src2);
29 } 30 }
30 31
31 #define TOO_BIG "The unique_ptr was bigger than expected." 32 #define TOO_BIG "The unique_ptr was bigger than expected."
32 #define WEIRD_SIZE "The unique_ptr was a different size than expected." 33 #define WEIRD_SIZE "The unique_ptr was a different size than expected."
33 34
34 DEF_TEST(CPlusPlusEleven_UniquePtr, r) { 35 DEF_TEST(CPlusPlusEleven_UniquePtr, r) {
35 struct SmallUniquePtr { 36 struct SmallUniquePtr {
36 Moveable* p; 37 Moveable* p;
37 }; 38 };
38 struct BigUniquePtr { 39 struct BigUniquePtr {
39 void(*d)(Moveable*); 40 void(*d)(Moveable*);
40 Moveable* p; 41 Moveable* p;
41 }; 42 };
42 43
43 static_assert(sizeof(skstd::unique_ptr<Moveable>) == sizeof(SmallUniquePtr), TOO_BIG); 44 static_assert(sizeof(skstd::unique_ptr<Moveable>) == sizeof(SmallUniquePtr), TOO_BIG);
44 static_assert(sizeof(skstd::unique_ptr<Moveable[]>) == sizeof(SmallUniquePtr ), TOO_BIG); 45 static_assert(sizeof(skstd::unique_ptr<Moveable[]>) == sizeof(SmallUniquePtr ), TOO_BIG);
45 46
46 using proc = void(*)(Moveable*); 47 using proc = void(*)(Moveable*);
47 static_assert(sizeof(skstd::unique_ptr<Moveable, proc>) == sizeof(BigUniqueP tr), WEIRD_SIZE); 48 static_assert(sizeof(skstd::unique_ptr<Moveable, proc>) == sizeof(BigUniqueP tr), WEIRD_SIZE);
48 static_assert(sizeof(skstd::unique_ptr<Moveable[], proc>) == sizeof(BigUniqu ePtr), WEIRD_SIZE); 49 static_assert(sizeof(skstd::unique_ptr<Moveable[], proc>) == sizeof(BigUniqu ePtr), WEIRD_SIZE);
49 50
50 { 51 {
51 skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, deleter<Movea ble>); 52 skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, deleter<Movea ble>);
52 static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE); 53 static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE);
53 54
54 auto u2 = skstd::move(u); 55 auto u2 = std::move(u);
55 static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE); 56 static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE);
56 } 57 }
57 58
58 { 59 {
59 skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, [](Moveable* m){ deleter(m); }); 60 skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, [](Moveable* m){ deleter(m); });
60 static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE); 61 static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE);
61 62
62 auto u2 = skstd::move(u); 63 auto u2 = std::move(u);
63 static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE); 64 static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE);
64 } 65 }
65 66
66 { 67 {
67 auto d = [](Moveable* m){ deleter(m); }; 68 auto d = [](Moveable* m){ deleter(m); };
68 skstd::unique_ptr<Moveable, decltype(d)> u(nullptr, d); 69 skstd::unique_ptr<Moveable, decltype(d)> u(nullptr, d);
69 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG); 70 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
70 71
71 auto u2 = skstd::move(u); 72 auto u2 = std::move(u);
72 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG); 73 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
73 } 74 }
74 75
75 { 76 {
76 skstd::unique_ptr<Moveable, Deleter<Moveable>> u(nullptr, Deleter<Moveab le>()); 77 skstd::unique_ptr<Moveable, Deleter<Moveable>> u(nullptr, Deleter<Moveab le>());
77 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG); 78 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
78 79
79 auto u2 = skstd::move(u); 80 auto u2 = std::move(u);
80 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG); 81 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
81 } 82 }
82 83
83 { 84 {
84 skstd::unique_ptr<Moveable, Deleter<Moveable>> u(new Moveable(), Deleter <Moveable>()); 85 skstd::unique_ptr<Moveable, Deleter<Moveable>> u(new Moveable(), Deleter <Moveable>());
85 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG); 86 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
86 87
87 auto u2 = skstd::move(u); 88 auto u2 = std::move(u);
88 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG); 89 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
89 } 90 }
90 91
91 { 92 {
92 skstd::unique_ptr<const void, Deleter<const void>> u(new Moveable(), Del eter<const void>()); 93 skstd::unique_ptr<const void, Deleter<const void>> u(new Moveable(), Del eter<const void>());
93 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG); 94 static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
94 95
95 auto u2 = skstd::move(u); 96 auto u2 = std::move(u);
96 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG); 97 static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
97 } 98 }
98 } 99 }
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