Index: base/stack_container_unittest.cc |
diff --git a/base/stack_container_unittest.cc b/base/stack_container_unittest.cc |
deleted file mode 100644 |
index 7efab363236c70c7bd3b26b72c638e7041a20707..0000000000000000000000000000000000000000 |
--- a/base/stack_container_unittest.cc |
+++ /dev/null |
@@ -1,138 +0,0 @@ |
-// 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/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 { |
- |
-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(OS_ANDROID) |
- // It seems that android doesn't respect greater than 16 byte alignment for |
- // non-POD data on the stack, even though ALIGNOF(aligned256) == 256. |
- 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>; |