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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/atomic.h" |
| 5 #include "platform/assert.h" | 6 #include "platform/assert.h" |
| 6 #include "platform/utils.h" | 7 #include "platform/utils.h" |
| 7 #include "vm/atomic.h" | |
| 8 #include "vm/globals.h" | 8 #include "vm/globals.h" |
| 9 #include "vm/unit_test.h" | 9 #include "vm/unit_test.h" |
| 10 | 10 |
| 11 namespace dart { | 11 namespace dart { |
| 12 | 12 |
| 13 VM_UNIT_TEST_CASE(FetchAndIncrement) { | 13 VM_UNIT_TEST_CASE(FetchAndIncrement) { |
| 14 uintptr_t v = 42; | 14 uintptr_t v = 42; |
| 15 EXPECT_EQ(static_cast<uintptr_t>(42), | 15 EXPECT_EQ(static_cast<uintptr_t>(42), |
| 16 AtomicOperations::FetchAndIncrement(&v)); | 16 AtomicOperations::FetchAndIncrement(&v)); |
| 17 EXPECT_EQ(static_cast<uintptr_t>(43), v); | 17 EXPECT_EQ(static_cast<uintptr_t>(43), v); |
| 18 } | 18 } |
| 19 | 19 |
| 20 | |
| 21 VM_UNIT_TEST_CASE(FetchAndDecrement) { | 20 VM_UNIT_TEST_CASE(FetchAndDecrement) { |
| 22 uintptr_t v = 42; | 21 uintptr_t v = 42; |
| 23 EXPECT_EQ(static_cast<uintptr_t>(42), | 22 EXPECT_EQ(static_cast<uintptr_t>(42), |
| 24 AtomicOperations::FetchAndDecrement(&v)); | 23 AtomicOperations::FetchAndDecrement(&v)); |
| 25 EXPECT_EQ(static_cast<uintptr_t>(41), v); | 24 EXPECT_EQ(static_cast<uintptr_t>(41), v); |
| 26 } | 25 } |
| 27 | 26 |
| 28 | |
| 29 VM_UNIT_TEST_CASE(FetchAndIncrementSigned) { | 27 VM_UNIT_TEST_CASE(FetchAndIncrementSigned) { |
| 30 intptr_t v = -42; | 28 intptr_t v = -42; |
| 31 EXPECT_EQ(static_cast<intptr_t>(-42), | 29 EXPECT_EQ(static_cast<intptr_t>(-42), |
| 32 AtomicOperations::FetchAndIncrement(&v)); | 30 AtomicOperations::FetchAndIncrement(&v)); |
| 33 EXPECT_EQ(static_cast<intptr_t>(-41), v); | 31 EXPECT_EQ(static_cast<intptr_t>(-41), v); |
| 34 } | 32 } |
| 35 | 33 |
| 36 | |
| 37 VM_UNIT_TEST_CASE(FetchAndDecrementSigned) { | 34 VM_UNIT_TEST_CASE(FetchAndDecrementSigned) { |
| 38 intptr_t v = -42; | 35 intptr_t v = -42; |
| 39 EXPECT_EQ(static_cast<intptr_t>(-42), | 36 EXPECT_EQ(static_cast<intptr_t>(-42), |
| 40 AtomicOperations::FetchAndDecrement(&v)); | 37 AtomicOperations::FetchAndDecrement(&v)); |
| 41 EXPECT_EQ(static_cast<intptr_t>(-43), v); | 38 EXPECT_EQ(static_cast<intptr_t>(-43), v); |
| 42 } | 39 } |
| 43 | 40 |
| 44 | |
| 45 VM_UNIT_TEST_CASE(IncrementBy) { | 41 VM_UNIT_TEST_CASE(IncrementBy) { |
| 46 intptr_t v = 42; | 42 intptr_t v = 42; |
| 47 AtomicOperations::IncrementBy(&v, 100); | 43 AtomicOperations::IncrementBy(&v, 100); |
| 48 EXPECT_EQ(static_cast<intptr_t>(142), v); | 44 EXPECT_EQ(static_cast<intptr_t>(142), v); |
| 49 } | 45 } |
| 50 | 46 |
| 51 | |
| 52 VM_UNIT_TEST_CASE(DecrementBy) { | 47 VM_UNIT_TEST_CASE(DecrementBy) { |
| 53 intptr_t v = 42; | 48 intptr_t v = 42; |
| 54 AtomicOperations::DecrementBy(&v, 41); | 49 AtomicOperations::DecrementBy(&v, 41); |
| 55 EXPECT_EQ(static_cast<intptr_t>(1), v); | 50 EXPECT_EQ(static_cast<intptr_t>(1), v); |
| 56 } | 51 } |
| 57 | 52 |
| 58 | |
| 59 VM_UNIT_TEST_CASE(LoadRelaxed) { | 53 VM_UNIT_TEST_CASE(LoadRelaxed) { |
| 60 uword v = 42; | 54 uword v = 42; |
| 61 EXPECT_EQ(static_cast<uword>(42), AtomicOperations::LoadRelaxed(&v)); | 55 EXPECT_EQ(static_cast<uword>(42), AtomicOperations::LoadRelaxed(&v)); |
| 62 } | 56 } |
| 63 | 57 |
| 64 | |
| 65 TEST_CASE(CompareAndSwapWord) { | 58 TEST_CASE(CompareAndSwapWord) { |
| 66 uword old_value = 42; | 59 uword old_value = 42; |
| 67 uword new_value = 100; | 60 uword new_value = 100; |
| 68 uword result = | 61 uword result = |
| 69 AtomicOperations::CompareAndSwapWord(&old_value, old_value, new_value); | 62 AtomicOperations::CompareAndSwapWord(&old_value, old_value, new_value); |
| 70 EXPECT_EQ(static_cast<uword>(42), result); | 63 EXPECT_EQ(static_cast<uword>(42), result); |
| 71 } | 64 } |
| 72 | 65 |
| 73 | |
| 74 TEST_CASE(CompareAndSwapUint32) { | 66 TEST_CASE(CompareAndSwapUint32) { |
| 75 uint32_t old_value = 42; | 67 uint32_t old_value = 42; |
| 76 uint32_t new_value = 100; | 68 uint32_t new_value = 100; |
| 77 uint32_t result = | 69 uint32_t result = |
| 78 AtomicOperations::CompareAndSwapUint32(&old_value, old_value, new_value); | 70 AtomicOperations::CompareAndSwapUint32(&old_value, old_value, new_value); |
| 79 EXPECT_EQ(static_cast<uint32_t>(42), result); | 71 EXPECT_EQ(static_cast<uint32_t>(42), result); |
| 80 } | 72 } |
| 81 | 73 |
| 82 } // namespace dart | 74 } // namespace dart |
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