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