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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 "platform/assert.h" | 5 #include "platform/assert.h" |
6 #include "platform/utils.h" | 6 #include "platform/utils.h" |
7 #include "vm/atomic.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 UNIT_TEST_CASE(FetchAndIncrement) { | 13 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 | 20 |
21 UNIT_TEST_CASE(FetchAndAdd) { | 21 UNIT_TEST_CASE(FetchAndDecrement) { |
22 intptr_t v = 42; | 22 uintptr_t v = 42; |
23 EXPECT_EQ(42, AtomicOperations::FetchAndAdd(&v, 0)); | 23 EXPECT_EQ(static_cast<uintptr_t>(42), |
24 EXPECT_EQ(42, v); | 24 AtomicOperations::FetchAndDecrement(&v)); |
25 EXPECT_EQ(42, AtomicOperations::FetchAndAdd(&v, 2)); | 25 EXPECT_EQ(static_cast<uintptr_t>(41), v); |
26 EXPECT_EQ(44, v); | |
27 EXPECT_EQ(44, AtomicOperations::FetchAndAdd(&v, -2)); | |
28 EXPECT_EQ(42, v); | |
29 } | 26 } |
30 | 27 |
31 | 28 |
32 UNIT_TEST_CASE(LoadRelaxed) { | 29 UNIT_TEST_CASE(LoadRelaxed) { |
33 uword v = 42; | 30 uword v = 42; |
34 EXPECT_EQ(static_cast<uword>(42), AtomicOperations::LoadRelaxed(&v)); | 31 EXPECT_EQ(static_cast<uword>(42), AtomicOperations::LoadRelaxed(&v)); |
35 } | 32 } |
36 | 33 |
37 } // namespace dart | 34 } // namespace dart |
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