kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include <stdlib.h> |
| 29 | #include <string.h> |
| 30 | #include "v8.h" |
| 31 | #include "cctest.h" |
| 32 | |
| 33 | using namespace v8::internal; |
| 34 | |
| 35 | // Use a testing allocator that clears memory before deletion. |
| 36 | class ZeroingAllocationPolicy { |
| 37 | public: |
| 38 | static void* New(size_t size) { |
| 39 | // Stash the size in the first word to use for Delete. |
| 40 | size_t true_size = size + sizeof(size_t); |
| 41 | size_t* result = reinterpret_cast<size_t*>(malloc(true_size)); |
| 42 | if (result == NULL) return result; |
| 43 | *result = true_size; |
| 44 | return result + 1; |
| 45 | } |
| 46 | |
| 47 | static void Delete(void* ptr) { |
| 48 | size_t* true_ptr = reinterpret_cast<size_t*>(ptr) - 1; |
| 49 | memset(true_ptr, 0, *true_ptr); |
| 50 | free(true_ptr); |
| 51 | } |
| 52 | }; |
| 53 | |
| 54 | // Check that we can add (a reference to) an element of the list |
| 55 | // itself. |
| 56 | TEST(ListAdd) { |
| 57 | // Add elements to the list to grow it to its capacity. |
| 58 | List<int, ZeroingAllocationPolicy> list(4); |
| 59 | list.Add(1); |
| 60 | list.Add(2); |
| 61 | list.Add(3); |
| 62 | list.Add(4); |
| 63 | |
| 64 | // Add an existing element, the backing store should have to grow. |
| 65 | list.Add(list[0]); |
ager@chromium.org | 3a37e9b | 2009-04-27 09:26:21 +0000 | [diff] [blame^] | 66 | CHECK_EQ(1, list[4]); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 67 | } |