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, |
- USE_FAST_SWAP_VIA_ADL, |
- 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()); |
- 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; |
- EXPECT_EQ(0, ix.Get()); |
- ix = Immutable<int>(&x); |
- EXPECT_EQ(5, ix.Get()); |
- EXPECT_EQ(0, x); |
-} |
- |
-TEST_F(ImmutableTest, IntMakeImmutable) { |
- int x = 5; |
- 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); |
- T t(token); |
- EXPECT_EQ(token, t.GetToken()); |
- EXPECT_EQ(0, t.GetCopyCount()); |
- |
- ImmutableT immutable_t(&t); |
- EXPECT_EQ(token, immutable_t.Get().GetToken()); |
- 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 |