68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
|
// Copyright 2009 the V8 project authors. All rights reserved.
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above
|
||
|
|
// copyright notice, this list of conditions and the following
|
||
|
|
// disclaimer in the documentation and/or other materials provided
|
||
|
|
// with the distribution.
|
||
|
|
// * Neither the name of Google Inc. nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include "v8.h"
|
||
|
|
#include "cctest.h"
|
||
|
|
|
||
|
|
using namespace v8::internal;
|
||
|
|
|
||
|
|
// Use a testing allocator that clears memory before deletion.
|
||
|
|
class ZeroingAllocationPolicy {
|
||
|
|
public:
|
||
|
|
static void* New(size_t size) {
|
||
|
|
// Stash the size in the first word to use for Delete.
|
||
|
|
size_t true_size = size + sizeof(size_t);
|
||
|
|
size_t* result = reinterpret_cast<size_t*>(malloc(true_size));
|
||
|
|
if (result == NULL) return result;
|
||
|
|
*result = true_size;
|
||
|
|
return result + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void Delete(void* ptr) {
|
||
|
|
size_t* true_ptr = reinterpret_cast<size_t*>(ptr) - 1;
|
||
|
|
memset(true_ptr, 0, *true_ptr);
|
||
|
|
free(true_ptr);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Check that we can add (a reference to) an element of the list
|
||
|
|
// itself.
|
||
|
|
TEST(ListAdd) {
|
||
|
|
// Add elements to the list to grow it to its capacity.
|
||
|
|
List<int, ZeroingAllocationPolicy> list(4);
|
||
|
|
list.Add(1);
|
||
|
|
list.Add(2);
|
||
|
|
list.Add(3);
|
||
|
|
list.Add(4);
|
||
|
|
|
||
|
|
// Add an existing element, the backing store should have to grow.
|
||
|
|
list.Add(list[0]);
|
||
|
|
ASSERT(list[4] == 1);
|
||
|
|
}
|