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| 1 /* | 1 /* |
| 2 * This file is part of Adblock Plus <https://adblockplus.org/>, | 2 * This file is part of Adblock Plus <https://adblockplus.org/>, |
| 3 * Copyright (C) 2006-2015 Eyeo GmbH | 3 * Copyright (C) 2006-2015 Eyeo GmbH |
| 4 * | 4 * |
| 5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
| 6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 8 * | 8 * |
| 9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| (...skipping 16 matching lines...) Expand all Loading... |
| 27 const std::string failMessage = "initializer failed on purpose"; | 27 const std::string failMessage = "initializer failed on purpose"; |
| 28 void FailFunction() | 28 void FailFunction() |
| 29 { | 29 { |
| 30 throw std::runtime_error(failMessage); | 30 throw std::runtime_error(failMessage); |
| 31 } | 31 } |
| 32 | 32 |
| 33 /* | 33 /* |
| 34 * The destructor has to be able to block to wait for the initializer | 34 * The destructor has to be able to block to wait for the initializer |
| 35 * This test ensures that it doesn't block unnecessarily. | 35 * This test ensures that it doesn't block unnecessarily. |
| 36 */ | 36 */ |
| 37 TEST(DetachedInitializer, DestructorDoesNotBlockAfterNoActivity) | 37 TEST(DetachedInitializerStaticFunction, DestructorDoesNotBlockAfterNoActivity) |
| 38 { | 38 { |
| 39 DetachedInitializer<NullFunction> x; | 39 DetachedInitializerStaticFunction<NullFunction> x; |
| 40 } | 40 } |
| 41 | 41 |
| 42 TEST(DetachedInitializer, NullInstance) | 42 TEST(DetachedInitializerStaticFunction, NullInstance) |
| 43 { | 43 { |
| 44 ASSERT_NO_THROW( | 44 ASSERT_NO_THROW( |
| 45 { | 45 { |
| 46 DetachedInitializer<NullFunction> x; | 46 DetachedInitializerStaticFunction<NullFunction> x; |
| 47 x.SpawnInitializer(); | 47 x.SpawnInitializer(); |
| 48 x.EnsureInitialized(); | 48 x.EnsureInitialized(); |
| 49 } | 49 } |
| 50 ); | 50 ); |
| 51 } | 51 } |
| 52 | 52 |
| 53 /* | 53 /* |
| 54 * This test illustrates a defect in Google Test. | 54 * This test illustrates a defect in Google Test. |
| 55 * This test fails with a message that the test threw an exception. | 55 * This test fails with a message that the test threw an exception. |
| 56 * The exception message is the one thrown by FailFunction. | 56 * The exception message is the one thrown by FailFunction. |
| 57 * It does not fail, importantly, because SpawnInitializer() throws. | 57 * It does not fail, importantly, because SpawnInitializer() throws. |
| 58 * This can be verified in the debugger. | 58 * This can be verified in the debugger. |
| 59 * | 59 * |
| 60 * It's disabled in the present code base so it doesn't break the unit test. | 60 * It's disabled in the present code base so it doesn't break the unit test. |
| 61 * Check this test again when we upgrade past GTest 1.60 and the VS 2012 toolset
. | 61 * Check this test again when we upgrade past GTest 1.60 and the VS 2012 toolset
. |
| 62 */ | 62 */ |
| 63 TEST(DetachedInitializer, DISABLED_EnsureInitializedThrowingGtestDefectIllustrat
ion) | 63 TEST(DetachedInitializerStaticFunction, DISABLED_EnsureInitializedThrowingGtestD
efectIllustration) |
| 64 { | 64 { |
| 65 DetachedInitializer<FailFunction> x; | 65 DetachedInitializerStaticFunction<FailFunction> x; |
| 66 bool threw = false; | 66 bool threw = false; |
| 67 try | 67 try |
| 68 { | 68 { |
| 69 x.SpawnInitializer(); | 69 x.SpawnInitializer(); |
| 70 } | 70 } |
| 71 catch (...) | 71 catch (...) |
| 72 { | 72 { |
| 73 threw = true; | 73 threw = true; |
| 74 FAIL() << "SpawnInitializer() threw"; | 74 FAIL() << "SpawnInitializer() threw"; |
| 75 } | 75 } |
| 76 ASSERT_FALSE(threw); | 76 ASSERT_FALSE(threw); |
| 77 } | 77 } |
| 78 | 78 |
| 79 /* | 79 /* |
| 80 * This test fails because of a defect in Google Test. | 80 * This test fails because of a defect in Google Test. |
| 81 * It's disabled at present, but should be enabled when the previous test is wor
king. | 81 * It's disabled at present, but should be enabled when the previous test is wor
king. |
| 82 */ | 82 */ |
| 83 TEST(DetachedInitializer, DISABLED_EnsureInitializedThrowing) | 83 TEST(DetachedInitializerStaticFunction, DISABLED_EnsureInitializedThrowing) |
| 84 { | 84 { |
| 85 DetachedInitializer<FailFunction> x; | 85 DetachedInitializerStaticFunction<FailFunction> x; |
| 86 try | 86 try |
| 87 { | 87 { |
| 88 x.SpawnInitializer(); | 88 x.SpawnInitializer(); |
| 89 } | 89 } |
| 90 catch (...) | 90 catch (...) |
| 91 { | 91 { |
| 92 FAIL() << "SpawnInitializer() threw"; | 92 FAIL() << "SpawnInitializer() threw"; |
| 93 return; | 93 return; |
| 94 } | 94 } |
| 95 try | 95 try |
| 96 { | 96 { |
| 97 x.EnsureInitialized(); | 97 x.EnsureInitialized(); |
| 98 FAIL() << "EnsureInitialized() did not throw"; | 98 FAIL() << "EnsureInitialized() did not throw"; |
| 99 } | 99 } |
| 100 catch (std::runtime_error& e) | 100 catch (std::runtime_error& e) |
| 101 { | 101 { |
| 102 ASSERT_EQ(failMessage, e.what()); | 102 ASSERT_EQ(failMessage, e.what()); |
| 103 } | 103 } |
| 104 } | 104 } |
| 105 | 105 |
| 106 /* | 106 /* |
| 107 * Resetable version of DetachedInitializer | 107 * Resetable version of DetachedInitializerStaticFunction |
| 108 */ | 108 */ |
| 109 template<void(&F)()> | 109 template<void(&F)()> |
| 110 class DidReset | 110 class DisfReset |
| 111 : public DetachedInitializer<F> | 111 : public DetachedInitializerStaticFunction<F> |
| 112 { | 112 { |
| 113 public: | 113 public: |
| 114 void Reset() | 114 void Reset() |
| 115 { | 115 { |
| 116 isInitializationComplete.store(false, std::memory_order_relaxed); | 116 isInitializationComplete.store(false, std::memory_order_relaxed); |
| 117 hasInitializerStarted.store(false, std::memory_order_relaxed); | 117 hasInitializerStarted.store(false, std::memory_order_relaxed); |
| 118 initializerException = nullptr; | 118 initializerException = nullptr; |
| 119 // Lock and unlock the mutex to clear any previous state | 119 // Lock and unlock the mutex to clear any previous state |
| 120 // It will also detect a locked mutex left over from a previous test. | 120 // It will also detect a locked mutex left over from a previous test. |
| 121 mutex.lock(); | 121 mutex.lock(); |
| 122 mutex.unlock(); | 122 mutex.unlock(); |
| 123 } | 123 } |
| 124 }; | 124 }; |
| 125 | 125 |
| 126 /* | 126 /* |
| 127 * Uses designated implementation pattern of DetachedInitializer | 127 * Uses designated implementation pattern of DetachedInitializerStaticFunction |
| 128 */ | 128 */ |
| 129 struct DeferredIncrementingInitializer | 129 struct DeferredIncrementingInitializer |
| 130 { | 130 { |
| 131 static int initializedCount; | 131 static int initializedCount; |
| 132 | 132 |
| 133 static void Incrementer() | 133 static void Incrementer() |
| 134 { | 134 { |
| 135 ++initializedCount; | 135 ++initializedCount; |
| 136 } | 136 } |
| 137 | 137 |
| 138 typedef DidReset<Incrementer> InitializerType; | 138 typedef DisfReset<Incrementer> InitializerType; |
| 139 static InitializerType di; | 139 static InitializerType di; |
| 140 | 140 |
| 141 public: | 141 public: |
| 142 DeferredIncrementingInitializer() | 142 DeferredIncrementingInitializer() |
| 143 { | 143 { |
| 144 di.SpawnInitializer(); | 144 di.SpawnInitializer(); |
| 145 } | 145 } |
| 146 | 146 |
| 147 static void ResetClass() | 147 static void ResetClass() |
| 148 { | 148 { |
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| 189 TEST(DetachedInitializer, Many) | 189 TEST(DetachedInitializer, Many) |
| 190 { | 190 { |
| 191 DeferredIncrementingInitializer::ResetClass(); | 191 DeferredIncrementingInitializer::ResetClass(); |
| 192 const int many = 1000000; | 192 const int many = 1000000; |
| 193 for (int j = 0; j < many;++j) | 193 for (int j = 0; j < many;++j) |
| 194 { | 194 { |
| 195 DeferredIncrementingInitializer x; | 195 DeferredIncrementingInitializer x; |
| 196 } | 196 } |
| 197 ASSERT_EQ(1, DeferredIncrementingInitializer::GetInitializerCount()); | 197 ASSERT_EQ(1, DeferredIncrementingInitializer::GetInitializerCount()); |
| 198 } | 198 } |
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