Move base to DEPS

base/containers/stack_container_unittest.cc

-// Copyright (c) 2012 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 "base/containers/stack_container.h"
-
-#include <algorithm>
-
-#include "base/memory/aligned_memory.h"
-#include "base/memory/ref_counted.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-
-namespace {
-
-class Dummy : public base::RefCounted<Dummy> {
- public:
-  explicit Dummy(int* alive) : alive_(alive) {
-    ++*alive_;
-  }
-
- private:
-  friend class base::RefCounted<Dummy>;
-
-  ~Dummy() {
-    --*alive_;
-  }
-
-  int* const alive_;
-};
-
-}  // namespace
-
-TEST(StackContainer, Vector) {
-  const int stack_size = 3;
-  StackVector<int, stack_size> vect;
-  const int* stack_buffer = &vect.stack_data().stack_buffer()[0];
-
-  // The initial |stack_size| elements should appear in the stack buffer.
-  EXPECT_EQ(static_cast<size_t>(stack_size), vect.container().capacity());
-  for (int i = 0; i < stack_size; i++) {
-    vect.container().push_back(i);
-    EXPECT_EQ(stack_buffer, &vect.container()[0]);
-    EXPECT_TRUE(vect.stack_data().used_stack_buffer_);
-  }
-
-  // Adding more elements should push the array onto the heap.
-  for (int i = 0; i < stack_size; i++) {
-    vect.container().push_back(i + stack_size);
-    EXPECT_NE(stack_buffer, &vect.container()[0]);
-    EXPECT_FALSE(vect.stack_data().used_stack_buffer_);
-  }
-
-  // The array should still be in order.
-  for (int i = 0; i < stack_size * 2; i++)
-    EXPECT_EQ(i, vect.container()[i]);
-
-  // Resize to smaller. Our STL implementation won't reallocate in this case,
-  // otherwise it might use our stack buffer. We reserve right after the resize
-  // to guarantee it isn't using the stack buffer, even though it doesn't have
-  // much data.
-  vect.container().resize(stack_size);
-  vect.container().reserve(stack_size * 2);
-  EXPECT_FALSE(vect.stack_data().used_stack_buffer_);
-
-  // Copying the small vector to another should use the same allocator and use
-  // the now-unused stack buffer. GENERALLY CALLERS SHOULD NOT DO THIS since
-  // they have to get the template types just right and it can cause errors.
-  std::vector<int, StackAllocator<int, stack_size> > other(vect.container());
-  EXPECT_EQ(stack_buffer, &other.front());
-  EXPECT_TRUE(vect.stack_data().used_stack_buffer_);
-  for (int i = 0; i < stack_size; i++)
-    EXPECT_EQ(i, other[i]);
-}
-
-TEST(StackContainer, VectorDoubleDelete) {
-  // Regression testing for double-delete.
-  typedef StackVector<scoped_refptr<Dummy>, 2> Vector;
-  typedef Vector::ContainerType Container;
-  Vector vect;
-
-  int alive = 0;
-  scoped_refptr<Dummy> dummy(new Dummy(&alive));
-  EXPECT_EQ(alive, 1);
-
-  vect->push_back(dummy);
-  EXPECT_EQ(alive, 1);
-
-  Dummy* dummy_unref = dummy.get();
-  dummy = NULL;
-  EXPECT_EQ(alive, 1);
-
-  Container::iterator itr = std::find(vect->begin(), vect->end(), dummy_unref);
-  EXPECT_EQ(itr->get(), dummy_unref);
-  vect->erase(itr);
-  EXPECT_EQ(alive, 0);
-
-  // Shouldn't crash at exit.
-}
-
-namespace {
-
-template <size_t alignment>
-class AlignedData {
- public:
-  AlignedData() { memset(data_.void_data(), 0, alignment); }
-  ~AlignedData() {}
-  base::AlignedMemory<alignment, alignment> data_;
-};
-
-}  // anonymous namespace
-
-#define EXPECT_ALIGNED(ptr, align) \
-    EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1))
-
-TEST(StackContainer, BufferAlignment) {
-  StackVector<wchar_t, 16> text;
-  text->push_back(L'A');
-  EXPECT_ALIGNED(&text[0], ALIGNOF(wchar_t));
-
-  StackVector<double, 1> doubles;
-  doubles->push_back(0.0);
-  EXPECT_ALIGNED(&doubles[0], ALIGNOF(double));
-
-  StackVector<AlignedData<16>, 1> aligned16;
-  aligned16->push_back(AlignedData<16>());
-  EXPECT_ALIGNED(&aligned16[0], 16);
-
-#if !defined(__GNUC__) || defined(ARCH_CPU_X86_FAMILY)
-  // It seems that non-X86 gcc doesn't respect greater than 16 byte alignment.
-  // See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33721 for details.
-  // TODO(sbc):re-enable this if GCC starts respecting higher alignments.
-  StackVector<AlignedData<256>, 1> aligned256;
-  aligned256->push_back(AlignedData<256>());
-  EXPECT_ALIGNED(&aligned256[0], 256);
-#endif
-}
-
-template class StackVector<int, 2>;
-template class StackVector<scoped_refptr<Dummy>, 2>;
-
-}  // namespace base