| Index: chrome/browser/sync/util/immutable_unittest.cc
|
| diff --git a/chrome/browser/sync/util/immutable_unittest.cc b/chrome/browser/sync/util/immutable_unittest.cc
|
| deleted file mode 100644
|
| index dc6553bbbec92f844016bdfc2bd246d2f267cf1e..0000000000000000000000000000000000000000
|
| --- a/chrome/browser/sync/util/immutable_unittest.cc
|
| +++ /dev/null
|
| @@ -1,244 +0,0 @@
|
| -// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "chrome/browser/sync/util/immutable.h"
|
| -
|
| -#include <algorithm>
|
| -#include <cstddef>
|
| -#include <deque>
|
| -#include <list>
|
| -#include <set>
|
| -#include <string>
|
| -#include <vector>
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "base/memory/ref_counted.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -namespace browser_sync {
|
| -
|
| -// Helper class that keeps track of the token passed in at
|
| -// construction and how many times that token is copied.
|
| -class TokenCore : public base::RefCounted<TokenCore> {
|
| - public:
|
| - explicit TokenCore(const char* token) : token_(token), copy_count_(0) {}
|
| -
|
| - const char* GetToken() const { return token_; }
|
| -
|
| - void RecordCopy() { ++copy_count_; }
|
| -
|
| - int GetCopyCount() const { return copy_count_; }
|
| -
|
| - private:
|
| - friend class base::RefCounted<TokenCore>;
|
| -
|
| - ~TokenCore() {}
|
| -
|
| - const char* const token_;
|
| - int copy_count_;
|
| -};
|
| -
|
| -enum SwapBehavior {
|
| - USE_DEFAULT_SWAP,
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| - USE_FAST_SWAP_VIA_ADL,
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| - USE_FAST_SWAP_VIA_SPECIALIZATION
|
| -};
|
| -
|
| -const char kEmptyToken[] = "<empty token>";
|
| -
|
| -// Base class for various token classes, differing in swap behavior.
|
| -template <SwapBehavior>
|
| -class TokenBase {
|
| - public:
|
| - TokenBase() : core_(new TokenCore(kEmptyToken)) {}
|
| -
|
| - explicit TokenBase(const char* token) : core_(new TokenCore(token)) {}
|
| -
|
| - TokenBase(const TokenBase& other) : core_(other.core_) {
|
| - core_->RecordCopy();
|
| - }
|
| -
|
| - TokenBase& operator=(const TokenBase& other) {
|
| - core_ = other.core_;
|
| - core_->RecordCopy();
|
| - return *this;
|
| - }
|
| -
|
| - const char* GetToken() const {
|
| - return core_->GetToken();
|
| - }
|
| -
|
| - int GetCopyCount() const {
|
| - return core_->GetCopyCount();
|
| - }
|
| -
|
| - // For associative containers.
|
| - bool operator<(const TokenBase& other) const {
|
| - return std::string(GetToken()) < std::string(other.GetToken());
|
| - }
|
| -
|
| - // STL-style swap.
|
| - void swap(TokenBase& other) {
|
| - using std::swap;
|
| - swap(other.core_, core_);
|
| - }
|
| -
|
| - // Google-style swap.
|
| - void Swap(TokenBase* other) {
|
| - using std::swap;
|
| - swap(other->core_, core_);
|
| - }
|
| -
|
| - private:
|
| - scoped_refptr<TokenCore> core_;
|
| -};
|
| -
|
| -typedef TokenBase<USE_DEFAULT_SWAP> Token;
|
| -typedef TokenBase<USE_FAST_SWAP_VIA_ADL> ADLToken;
|
| -typedef TokenBase<USE_FAST_SWAP_VIA_SPECIALIZATION> SpecializationToken;
|
| -
|
| -void swap(ADLToken& t1, ADLToken& t2) {
|
| - t1.Swap(&t2);
|
| -}
|
| -
|
| -} // namespace browser_sync
|
| -
|
| -// Allowed by the standard (17.4.3.1/1).
|
| -namespace std {
|
| -
|
| -template <>
|
| -void swap(browser_sync::SpecializationToken& t1,
|
| - browser_sync::SpecializationToken& t2) {
|
| - t1.Swap(&t2);
|
| -}
|
| -
|
| -} // namespace
|
| -
|
| -namespace browser_sync {
|
| -namespace {
|
| -
|
| -class ImmutableTest : public ::testing::Test {};
|
| -
|
| -TEST_F(ImmutableTest, Int) {
|
| - int x = 5;
|
| - Immutable<int> ix(&x);
|
| - EXPECT_EQ(5, ix.Get());
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| - EXPECT_EQ(0, x);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, IntCopy) {
|
| - int x = 5;
|
| - Immutable<int> ix = Immutable<int>(&x);
|
| - EXPECT_EQ(5, ix.Get());
|
| - EXPECT_EQ(0, x);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, IntAssign) {
|
| - int x = 5;
|
| - Immutable<int> ix;
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| - EXPECT_EQ(0, ix.Get());
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| - ix = Immutable<int>(&x);
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| - EXPECT_EQ(5, ix.Get());
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| - EXPECT_EQ(0, x);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, IntMakeImmutable) {
|
| - int x = 5;
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| - Immutable<int> ix = MakeImmutable(&x);
|
| - EXPECT_EQ(5, ix.Get());
|
| - EXPECT_EQ(0, x);
|
| -}
|
| -
|
| -template <typename T, typename ImmutableT>
|
| -void RunTokenTest(const char* token, bool expect_copies) {
|
| - SCOPED_TRACE(token);
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| - T t(token);
|
| - EXPECT_EQ(token, t.GetToken());
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| - EXPECT_EQ(0, t.GetCopyCount());
|
| -
|
| - ImmutableT immutable_t(&t);
|
| - EXPECT_EQ(token, immutable_t.Get().GetToken());
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| - EXPECT_EQ(kEmptyToken, t.GetToken());
|
| - EXPECT_EQ(expect_copies, immutable_t.Get().GetCopyCount() > 0);
|
| - EXPECT_EQ(expect_copies, t.GetCopyCount() > 0);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, Token) {
|
| - RunTokenTest<Token, Immutable<Token> >("Token", true /* expect_copies */);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, TokenSwapMemFnByRef) {
|
| - RunTokenTest<Token, Immutable<Token, HasSwapMemFnByRef<Token> > >(
|
| - "TokenSwapMemFnByRef", false /* expect_copies */);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, TokenSwapMemFnByPtr) {
|
| - RunTokenTest<Token, Immutable<Token, HasSwapMemFnByPtr<Token> > >(
|
| - "TokenSwapMemFnByPtr", false /* expect_copies */);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, ADLToken) {
|
| - RunTokenTest<ADLToken, Immutable<ADLToken> >(
|
| - "ADLToken", false /* expect_copies */);
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, SpecializationToken) {
|
| - RunTokenTest<SpecializationToken, Immutable<SpecializationToken> >(
|
| - "SpecializationToken", false /* expect_copies */);
|
| -}
|
| -
|
| -template <typename C, typename ImmutableC>
|
| -void RunTokenContainerTest(const char* token) {
|
| - SCOPED_TRACE(token);
|
| - const Token tokens[] = { Token(), Token(token) };
|
| - const size_t token_count = arraysize(tokens);
|
| - C c(tokens, tokens + token_count);
|
| - const int copy_count = c.begin()->GetCopyCount();
|
| - EXPECT_GT(copy_count, 0);
|
| - for (typename C::const_iterator it = c.begin(); it != c.end(); ++it) {
|
| - EXPECT_EQ(copy_count, it->GetCopyCount());
|
| - }
|
| -
|
| - // Make sure that making the container immutable doesn't incur any
|
| - // copies of the tokens.
|
| - ImmutableC immutable_c(&c);
|
| - EXPECT_TRUE(c.empty());
|
| - ASSERT_EQ(token_count, immutable_c.Get().size());
|
| - int i = 0;
|
| - for (typename C::const_iterator it = c.begin(); it != c.end(); ++it) {
|
| - EXPECT_EQ(tokens[i].GetToken(), it->GetToken());
|
| - EXPECT_EQ(copy_count, it->GetCopyCount());
|
| - ++i;
|
| - }
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, Vector) {
|
| - RunTokenContainerTest<std::vector<Token>, Immutable<std::vector<Token> > >(
|
| - "Vector");
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, VectorSwapMemFnByRef) {
|
| - RunTokenContainerTest<
|
| - std::vector<Token>,
|
| - Immutable<std::vector<Token>, HasSwapMemFnByRef<std::vector<Token> > > >(
|
| - "VectorSwapMemFnByRef");
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, Deque) {
|
| - RunTokenContainerTest<std::deque<Token>, Immutable<std::deque<Token> > >(
|
| - "Deque");
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, List) {
|
| - RunTokenContainerTest<std::list<Token>, Immutable<std::list<Token> > >(
|
| - "List");
|
| -}
|
| -
|
| -TEST_F(ImmutableTest, Set) {
|
| - RunTokenContainerTest<std::set<Token>, Immutable<std::set<Token> > >(
|
| - "Set");
|
| -}
|
| -
|
| -} // namespace
|
| -} // namespace browser_sync
|
|
|