| // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "platform/assert.h" |
| #include "platform/utils.h" |
| #include "vm/atomic.h" |
| #include "vm/globals.h" |
| #include "vm/unit_test.h" |
| |
| namespace dart { |
| |
| UNIT_TEST_CASE(FetchAndIncrement) { |
| uintptr_t v = 42; |
| EXPECT_EQ(static_cast<uintptr_t>(42), |
| AtomicOperations::FetchAndIncrement(&v)); |
| EXPECT_EQ(static_cast<uintptr_t>(43), v); |
| } |
| |
| |
| UNIT_TEST_CASE(FetchAndDecrement) { |
| uintptr_t v = 42; |
| EXPECT_EQ(static_cast<uintptr_t>(42), |
| AtomicOperations::FetchAndDecrement(&v)); |
| EXPECT_EQ(static_cast<uintptr_t>(41), v); |
| } |
| |
| |
| UNIT_TEST_CASE(IncrementBy) { |
| intptr_t v = 42; |
| AtomicOperations::IncrementBy(&v, 100); |
| EXPECT_EQ(static_cast<intptr_t>(142), v); |
| } |
| |
| |
| UNIT_TEST_CASE(DecrementBy) { |
| intptr_t v = 42; |
| AtomicOperations::DecrementBy(&v, 41); |
| EXPECT_EQ(static_cast<intptr_t>(1), v); |
| } |
| |
| |
| UNIT_TEST_CASE(LoadRelaxed) { |
| uword v = 42; |
| EXPECT_EQ(static_cast<uword>(42), AtomicOperations::LoadRelaxed(&v)); |
| } |
| |
| |
| TEST_CASE(CompareAndSwapWord) { |
| uword old_value = 42; |
| uword new_value = 100; |
| uword result = AtomicOperations::CompareAndSwapWord( |
| &old_value, old_value, new_value); |
| EXPECT_EQ(static_cast<uword>(42), result); |
| } |
| |
| |
| TEST_CASE(CompareAndSwapUint32) { |
| uint32_t old_value = 42; |
| uint32_t new_value = 100; |
| uint32_t result = AtomicOperations::CompareAndSwapUint32( |
| &old_value, old_value, new_value); |
| EXPECT_EQ(static_cast<uint32_t>(42), result); |
| } |
| |
| } // namespace dart |