| Index: base/atomicops_unittest.cc
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| diff --git a/base/atomicops_unittest.cc b/base/atomicops_unittest.cc
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| deleted file mode 100644
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| index 3fd559747226dab196d7f0cd68fc26c4dd9b3e7d..0000000000000000000000000000000000000000
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| --- a/base/atomicops_unittest.cc
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| +++ /dev/null
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| @@ -1,241 +0,0 @@
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| -// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
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| -
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| -#include "base/atomicops.h"
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| -
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| -#include <stdint.h>
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| -#include <string.h>
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| -
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| -#include "testing/gtest/include/gtest/gtest.h"
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| -
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| -template <class AtomicType>
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| -static void TestAtomicIncrement() {
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| - // For now, we just test single threaded execution
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| -
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| - // use a guard value to make sure the NoBarrier_AtomicIncrement doesn't go
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| - // outside the expected address bounds. This is in particular to
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| - // test that some future change to the asm code doesn't cause the
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| - // 32-bit NoBarrier_AtomicIncrement doesn't do the wrong thing on 64-bit
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| - // machines.
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| - struct {
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| - AtomicType prev_word;
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| - AtomicType count;
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| - AtomicType next_word;
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| - } s;
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| -
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| - AtomicType prev_word_value, next_word_value;
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| - memset(&prev_word_value, 0xFF, sizeof(AtomicType));
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| - memset(&next_word_value, 0xEE, sizeof(AtomicType));
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| -
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| - s.prev_word = prev_word_value;
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| - s.count = 0;
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| - s.next_word = next_word_value;
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, 1), 1);
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| - EXPECT_EQ(s.count, 1);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, 2), 3);
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| - EXPECT_EQ(s.count, 3);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, 3), 6);
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| - EXPECT_EQ(s.count, 6);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, -3), 3);
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| - EXPECT_EQ(s.count, 3);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, -2), 1);
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| - EXPECT_EQ(s.count, 1);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, -1), 0);
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| - EXPECT_EQ(s.count, 0);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, -1), -1);
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| - EXPECT_EQ(s.count, -1);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, -4), -5);
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| - EXPECT_EQ(s.count, -5);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -
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| - EXPECT_EQ(base::subtle::NoBarrier_AtomicIncrement(&s.count, 5), 0);
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| - EXPECT_EQ(s.count, 0);
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| - EXPECT_EQ(s.prev_word, prev_word_value);
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| - EXPECT_EQ(s.next_word, next_word_value);
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| -}
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| -
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| -
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| -#define NUM_BITS(T) (sizeof(T) * 8)
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| -
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| -
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| -template <class AtomicType>
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| -static void TestCompareAndSwap() {
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| - AtomicType value = 0;
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| - AtomicType prev = base::subtle::NoBarrier_CompareAndSwap(&value, 0, 1);
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| - EXPECT_EQ(1, value);
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| - EXPECT_EQ(0, prev);
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| -
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| - // Use test value that has non-zero bits in both halves, more for testing
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| - // 64-bit implementation on 32-bit platforms.
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| - const AtomicType k_test_val = (static_cast<uint64_t>(1) <<
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| - (NUM_BITS(AtomicType) - 2)) + 11;
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| - value = k_test_val;
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| - prev = base::subtle::NoBarrier_CompareAndSwap(&value, 0, 5);
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| - EXPECT_EQ(k_test_val, value);
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| - EXPECT_EQ(k_test_val, prev);
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| -
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| - value = k_test_val;
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| - prev = base::subtle::NoBarrier_CompareAndSwap(&value, k_test_val, 5);
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| - EXPECT_EQ(5, value);
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| - EXPECT_EQ(k_test_val, prev);
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| -}
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| -
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| -
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| -template <class AtomicType>
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| -static void TestAtomicExchange() {
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| - AtomicType value = 0;
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| - AtomicType new_value = base::subtle::NoBarrier_AtomicExchange(&value, 1);
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| - EXPECT_EQ(1, value);
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| - EXPECT_EQ(0, new_value);
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| -
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| - // Use test value that has non-zero bits in both halves, more for testing
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| - // 64-bit implementation on 32-bit platforms.
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| - const AtomicType k_test_val = (static_cast<uint64_t>(1) <<
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| - (NUM_BITS(AtomicType) - 2)) + 11;
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| - value = k_test_val;
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| - new_value = base::subtle::NoBarrier_AtomicExchange(&value, k_test_val);
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| - EXPECT_EQ(k_test_val, value);
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| - EXPECT_EQ(k_test_val, new_value);
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| -
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| - value = k_test_val;
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| - new_value = base::subtle::NoBarrier_AtomicExchange(&value, 5);
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| - EXPECT_EQ(5, value);
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| - EXPECT_EQ(k_test_val, new_value);
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| -}
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| -
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| -
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| -template <class AtomicType>
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| -static void TestAtomicIncrementBounds() {
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| - // Test at rollover boundary between int_max and int_min
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| - AtomicType test_val = (static_cast<uint64_t>(1) <<
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| - (NUM_BITS(AtomicType) - 1));
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| - AtomicType value = -1 ^ test_val;
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| - AtomicType new_value = base::subtle::NoBarrier_AtomicIncrement(&value, 1);
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| - EXPECT_EQ(test_val, value);
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| - EXPECT_EQ(value, new_value);
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| -
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| - base::subtle::NoBarrier_AtomicIncrement(&value, -1);
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| - EXPECT_EQ(-1 ^ test_val, value);
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| -
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| - // Test at 32-bit boundary for 64-bit atomic type.
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| - test_val = static_cast<uint64_t>(1) << (NUM_BITS(AtomicType) / 2);
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| - value = test_val - 1;
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| - new_value = base::subtle::NoBarrier_AtomicIncrement(&value, 1);
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| - EXPECT_EQ(test_val, value);
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| - EXPECT_EQ(value, new_value);
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| -
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| - base::subtle::NoBarrier_AtomicIncrement(&value, -1);
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| - EXPECT_EQ(test_val - 1, value);
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| -}
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| -
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| -// Return an AtomicType with the value 0xa5a5a5..
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| -template <class AtomicType>
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| -static AtomicType TestFillValue() {
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| - AtomicType val = 0;
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| - memset(&val, 0xa5, sizeof(AtomicType));
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| - return val;
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| -}
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| -
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| -// This is a simple sanity check that values are correct. Not testing
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| -// atomicity
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| -template <class AtomicType>
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| -static void TestStore() {
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| - const AtomicType kVal1 = TestFillValue<AtomicType>();
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| - const AtomicType kVal2 = static_cast<AtomicType>(-1);
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| -
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| - AtomicType value;
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| -
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| - base::subtle::NoBarrier_Store(&value, kVal1);
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| - EXPECT_EQ(kVal1, value);
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| - base::subtle::NoBarrier_Store(&value, kVal2);
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| - EXPECT_EQ(kVal2, value);
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| -
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| - base::subtle::Acquire_Store(&value, kVal1);
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| - EXPECT_EQ(kVal1, value);
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| - base::subtle::Acquire_Store(&value, kVal2);
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| - EXPECT_EQ(kVal2, value);
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| -
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| - base::subtle::Release_Store(&value, kVal1);
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| - EXPECT_EQ(kVal1, value);
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| - base::subtle::Release_Store(&value, kVal2);
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| - EXPECT_EQ(kVal2, value);
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| -}
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| -
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| -// This is a simple sanity check that values are correct. Not testing
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| -// atomicity
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| -template <class AtomicType>
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| -static void TestLoad() {
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| - const AtomicType kVal1 = TestFillValue<AtomicType>();
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| - const AtomicType kVal2 = static_cast<AtomicType>(-1);
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| -
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| - AtomicType value;
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| -
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| - value = kVal1;
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| - EXPECT_EQ(kVal1, base::subtle::NoBarrier_Load(&value));
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| - value = kVal2;
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| - EXPECT_EQ(kVal2, base::subtle::NoBarrier_Load(&value));
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| -
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| - value = kVal1;
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| - EXPECT_EQ(kVal1, base::subtle::Acquire_Load(&value));
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| - value = kVal2;
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| - EXPECT_EQ(kVal2, base::subtle::Acquire_Load(&value));
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| -
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| - value = kVal1;
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| - EXPECT_EQ(kVal1, base::subtle::Release_Load(&value));
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| - value = kVal2;
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| - EXPECT_EQ(kVal2, base::subtle::Release_Load(&value));
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| -}
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| -
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| -TEST(AtomicOpsTest, Inc) {
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| - TestAtomicIncrement<base::subtle::Atomic32>();
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| - TestAtomicIncrement<base::subtle::AtomicWord>();
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| -}
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| -
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| -TEST(AtomicOpsTest, CompareAndSwap) {
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| - TestCompareAndSwap<base::subtle::Atomic32>();
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| - TestCompareAndSwap<base::subtle::AtomicWord>();
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| -}
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| -
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| -TEST(AtomicOpsTest, Exchange) {
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| - TestAtomicExchange<base::subtle::Atomic32>();
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| - TestAtomicExchange<base::subtle::AtomicWord>();
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| -}
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| -
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| -TEST(AtomicOpsTest, IncrementBounds) {
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| - TestAtomicIncrementBounds<base::subtle::Atomic32>();
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| - TestAtomicIncrementBounds<base::subtle::AtomicWord>();
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| -}
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| -
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| -TEST(AtomicOpsTest, Store) {
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| - TestStore<base::subtle::Atomic32>();
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| - TestStore<base::subtle::AtomicWord>();
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| -}
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| -
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| -TEST(AtomicOpsTest, Load) {
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| - TestLoad<base::subtle::Atomic32>();
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| - TestLoad<base::subtle::AtomicWord>();
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| -}
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|
|