Herb Derby | ac04fef | 2017-01-13 17:34:33 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 | |
| 8 | #include "Test.h" |
| 9 | #include "SkArenaAlloc.h" |
| 10 | |
| 11 | namespace { |
| 12 | |
| 13 | static int created, destroyed; |
| 14 | |
| 15 | struct Foo { |
| 16 | Foo() : x(-2), y(-3.0f) { created++; } |
| 17 | Foo(int X, float Y) : x(X), y(Y) { created++; } |
| 18 | ~Foo() { destroyed++; } |
| 19 | |
| 20 | int x; |
| 21 | float y; |
| 22 | }; |
| 23 | |
| 24 | struct Big { |
| 25 | Big() {} |
| 26 | uint32_t array[128]; |
| 27 | }; |
| 28 | |
Herb Derby | 593cb94 | 2017-01-19 14:28:49 -0500 | [diff] [blame^] | 29 | struct Node { |
| 30 | Node(Node* n) : next(n) { created++; } |
| 31 | ~Node() { |
| 32 | destroyed++; |
| 33 | if (next) { |
| 34 | next->~Node(); |
| 35 | } |
| 36 | } |
| 37 | Node *next; |
| 38 | }; |
| 39 | |
| 40 | struct Start { |
| 41 | ~Start() { |
| 42 | if (start) { |
| 43 | start->~Node(); |
| 44 | } |
| 45 | } |
| 46 | Node* start; |
| 47 | }; |
| 48 | |
Herb Derby | ac04fef | 2017-01-13 17:34:33 -0500 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | struct WithDtor { |
| 52 | ~WithDtor() { } |
| 53 | }; |
| 54 | |
| 55 | DEF_TEST(ArenaAlloc, r) { |
| 56 | |
| 57 | { |
| 58 | created = 0; |
| 59 | destroyed = 0; |
| 60 | |
| 61 | SkArenaAlloc arena{nullptr, 0}; |
| 62 | REPORTER_ASSERT(r, *arena.make<int>(3) == 3); |
| 63 | Foo* foo = arena.make<Foo>(3, 4.0f); |
| 64 | REPORTER_ASSERT(r, foo->x == 3); |
| 65 | REPORTER_ASSERT(r, foo->y == 4.0f); |
| 66 | REPORTER_ASSERT(r, created == 1); |
| 67 | REPORTER_ASSERT(r, destroyed == 0); |
| 68 | arena.makeArrayDefault<int>(10); |
| 69 | int* zeroed = arena.makeArray<int>(10); |
| 70 | for (int i = 0; i < 10; i++) { |
| 71 | REPORTER_ASSERT(r, zeroed[i] == 0); |
| 72 | } |
| 73 | Foo* fooArray = arena.makeArrayDefault<Foo>(10); |
| 74 | REPORTER_ASSERT(r, fooArray[3].x == -2); |
| 75 | REPORTER_ASSERT(r, fooArray[4].y == -3.0f); |
| 76 | REPORTER_ASSERT(r, created == 11); |
| 77 | REPORTER_ASSERT(r, destroyed == 0); |
| 78 | arena.make<typename std::aligned_storage<10,8>::type>(); |
| 79 | } |
| 80 | REPORTER_ASSERT(r, created == 11); |
| 81 | REPORTER_ASSERT(r, destroyed == 11); |
| 82 | |
| 83 | { |
| 84 | created = 0; |
| 85 | destroyed = 0; |
Herb Derby | 593cb94 | 2017-01-19 14:28:49 -0500 | [diff] [blame^] | 86 | char block[64]; |
Herb Derby | ac04fef | 2017-01-13 17:34:33 -0500 | [diff] [blame] | 87 | SkArenaAlloc arena{block}; |
| 88 | |
| 89 | REPORTER_ASSERT(r, *arena.make<int>(3) == 3); |
| 90 | Foo* foo = arena.make<Foo>(3, 4.0f); |
| 91 | REPORTER_ASSERT(r, foo->x == 3); |
| 92 | REPORTER_ASSERT(r, foo->y == 4.0f); |
| 93 | REPORTER_ASSERT(r, created == 1); |
| 94 | REPORTER_ASSERT(r, destroyed == 0); |
| 95 | arena.makeArrayDefault<int>(10); |
| 96 | int* zeroed = arena.makeArray<int>(10); |
| 97 | for (int i = 0; i < 10; i++) { |
| 98 | REPORTER_ASSERT(r, zeroed[i] == 0); |
| 99 | } |
| 100 | Foo* fooArray = arena.makeArrayDefault<Foo>(10); |
| 101 | REPORTER_ASSERT(r, fooArray[3].x == -2); |
| 102 | REPORTER_ASSERT(r, fooArray[4].y == -3.0f); |
| 103 | REPORTER_ASSERT(r, created == 11); |
| 104 | REPORTER_ASSERT(r, destroyed == 0); |
| 105 | arena.make<typename std::aligned_storage<10,8>::type>(); |
| 106 | } |
| 107 | REPORTER_ASSERT(r, created == 11); |
| 108 | REPORTER_ASSERT(r, destroyed == 11); |
| 109 | |
| 110 | { |
| 111 | created = 0; |
| 112 | destroyed = 0; |
| 113 | std::unique_ptr<char[]> block{new char[1024]}; |
| 114 | SkArenaAlloc arena{block.get(), 1024}; |
| 115 | |
| 116 | REPORTER_ASSERT(r, *arena.make<int>(3) == 3); |
| 117 | Foo* foo = arena.make<Foo>(3, 4.0f); |
| 118 | REPORTER_ASSERT(r, foo->x == 3); |
| 119 | REPORTER_ASSERT(r, foo->y == 4.0f); |
| 120 | REPORTER_ASSERT(r, created == 1); |
| 121 | REPORTER_ASSERT(r, destroyed == 0); |
| 122 | arena.makeArrayDefault<int>(10); |
| 123 | int* zeroed = arena.makeArray<int>(10); |
| 124 | for (int i = 0; i < 10; i++) { |
| 125 | REPORTER_ASSERT(r, zeroed[i] == 0); |
| 126 | } |
| 127 | Foo* fooArray = arena.makeArrayDefault<Foo>(10); |
| 128 | REPORTER_ASSERT(r, fooArray[3].x == -2); |
| 129 | REPORTER_ASSERT(r, fooArray[4].y == -3.0f); |
| 130 | REPORTER_ASSERT(r, created == 11); |
| 131 | REPORTER_ASSERT(r, destroyed == 0); |
| 132 | arena.make<typename std::aligned_storage<10,8>::type>(); |
| 133 | } |
| 134 | REPORTER_ASSERT(r, created == 11); |
| 135 | REPORTER_ASSERT(r, destroyed == 11); |
Herb Derby | 593cb94 | 2017-01-19 14:28:49 -0500 | [diff] [blame^] | 136 | |
| 137 | { |
| 138 | char storage[64]; |
| 139 | SkArenaAlloc arena{storage}; |
| 140 | arena.makeArrayDefault<char>(256); |
| 141 | arena.reset(); |
| 142 | arena.reset(); |
| 143 | } |
| 144 | |
| 145 | { |
| 146 | created = 0; |
| 147 | destroyed = 0; |
| 148 | char storage[64]; |
| 149 | SkArenaAlloc arena{storage}; |
| 150 | |
| 151 | Start start; |
| 152 | Node* current = nullptr; |
| 153 | for (int i = 0; i < 128; i++) { |
| 154 | uint64_t* temp = arena.makeArrayDefault<uint64_t>(sizeof(Node) / sizeof(Node*)); |
| 155 | current = new (temp)Node(current); |
| 156 | } |
| 157 | start.start = current; |
| 158 | } |
| 159 | |
| 160 | REPORTER_ASSERT(r, created == 128); |
| 161 | REPORTER_ASSERT(r, destroyed == 128); |
Herb Derby | ac04fef | 2017-01-13 17:34:33 -0500 | [diff] [blame] | 162 | } |