| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 | 7 |
| 8 #include "Test.h" | 8 #include "Test.h" |
| 9 #include "SkLazyPtr.h" | 9 #include "SkLazyPtr.h" |
| 10 #include "SkRunnable.h" | 10 #include "SkRunnable.h" |
| 11 #include "SkTaskGroup.h" | 11 #include "SkTaskGroup.h" |
| 12 | 12 |
| 13 namespace { | 13 namespace { |
| 14 | 14 |
| 15 struct CreateIntFromFloat { | 15 struct CreateIntFromFloat { |
| 16 CreateIntFromFloat(float val) : fVal(val) {} | 16 CreateIntFromFloat(float val) : fVal(val) {} |
| 17 int* operator()() const { return SkNEW_ARGS(int, ((int)fVal)); } | 17 int* operator()() const { return new int((int)fVal); } |
| 18 float fVal; | 18 float fVal; |
| 19 }; | 19 }; |
| 20 | 20 |
| 21 // As a template argument this must have external linkage. | 21 // As a template argument this must have external linkage. |
| 22 void custom_destroy(int* ptr) { *ptr = 99; } | 22 void custom_destroy(int* ptr) { *ptr = 99; } |
| 23 | 23 |
| 24 } // namespace | 24 } // namespace |
| 25 | 25 |
| 26 DEF_TEST(LazyPtr, r) { | 26 DEF_TEST(LazyPtr, r) { |
| 27 // Basic usage: calls SkNEW(int). | 27 // Basic usage: calls new int. |
| 28 SkLazyPtr<int> lazy; | 28 SkLazyPtr<int> lazy; |
| 29 int* ptr = lazy.get(); | 29 int* ptr = lazy.get(); |
| 30 REPORTER_ASSERT(r, ptr); | 30 REPORTER_ASSERT(r, ptr); |
| 31 REPORTER_ASSERT(r, lazy.get() == ptr); | 31 REPORTER_ASSERT(r, lazy.get() == ptr); |
| 32 | 32 |
| 33 // Advanced usage: calls a functor. | 33 // Advanced usage: calls a functor. |
| 34 SkLazyPtr<int> lazyFunctor; | 34 SkLazyPtr<int> lazyFunctor; |
| 35 int* six = lazyFunctor.get(CreateIntFromFloat(6.4f)); | 35 int* six = lazyFunctor.get(CreateIntFromFloat(6.4f)); |
| 36 REPORTER_ASSERT(r, six); | 36 REPORTER_ASSERT(r, six); |
| 37 REPORTER_ASSERT(r, 6 == *six); | 37 REPORTER_ASSERT(r, 6 == *six); |
| 38 | 38 |
| 39 // Just makes sure this is safe. | 39 // Just makes sure this is safe. |
| 40 SkLazyPtr<double> neverRead; | 40 SkLazyPtr<double> neverRead; |
| 41 | 41 |
| 42 // SkLazyPtr supports custom destroy methods. | 42 // SkLazyPtr supports custom destroy methods. |
| 43 { | 43 { |
| 44 SkLazyPtr<int, custom_destroy> customDestroy; | 44 SkLazyPtr<int, custom_destroy> customDestroy; |
| 45 ptr = customDestroy.get(); | 45 ptr = customDestroy.get(); |
| 46 // custom_destroy called here. | 46 // custom_destroy called here. |
| 47 } | 47 } |
| 48 REPORTER_ASSERT(r, ptr); | 48 REPORTER_ASSERT(r, ptr); |
| 49 REPORTER_ASSERT(r, 99 == *ptr); | 49 REPORTER_ASSERT(r, 99 == *ptr); |
| 50 // Since custom_destroy didn't actually delete ptr, we do now. | 50 // Since custom_destroy didn't actually delete ptr, we do now. |
| 51 SkDELETE(ptr); | 51 delete ptr; |
| 52 } | 52 } |
| 53 | 53 |
| 54 DEF_TEST(LazyPtr_Threaded, r) { | 54 DEF_TEST(LazyPtr_Threaded, r) { |
| 55 static const int kRacers = 321; | 55 static const int kRacers = 321; |
| 56 | 56 |
| 57 // Race to intialize the pointer by calling .get(). | 57 // Race to intialize the pointer by calling .get(). |
| 58 SkLazyPtr<int> lazy; | 58 SkLazyPtr<int> lazy; |
| 59 int* seen[kRacers]; | 59 int* seen[kRacers]; |
| 60 | 60 |
| 61 sk_parallel_for(kRacers, [&](int i) { | 61 sk_parallel_for(kRacers, [&](int i) { |
| 62 seen[i] = lazy.get(); | 62 seen[i] = lazy.get(); |
| 63 }); | 63 }); |
| 64 | 64 |
| 65 // lazy.get() should return the same pointer to all threads. | 65 // lazy.get() should return the same pointer to all threads. |
| 66 for (int i = 1; i < kRacers; i++) { | 66 for (int i = 1; i < kRacers; i++) { |
| 67 REPORTER_ASSERT(r, seen[i] != nullptr); | 67 REPORTER_ASSERT(r, seen[i] != nullptr); |
| 68 REPORTER_ASSERT(r, seen[i] == seen[0]); | 68 REPORTER_ASSERT(r, seen[i] == seen[0]); |
| 69 } | 69 } |
| 70 } | 70 } |
| OLD | NEW |