Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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> |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 30 | #include "src/v8.h" |
| 31 | #include "test/cctest/cctest.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 32 | |
| 33 | using namespace v8::internal; |
| 34 | |
| 35 | // Use a testing allocator that clears memory before deletion. |
| 36 | class ZeroingAllocationPolicy { |
| 37 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 38 | void* New(size_t size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 54 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 55 | // Check that we can add (a reference to) an element of the list |
| 56 | // itself. |
| 57 | TEST(ListAdd) { |
| 58 | // Add elements to the list to grow it to its capacity. |
| 59 | List<int, ZeroingAllocationPolicy> list(4); |
| 60 | list.Add(1); |
| 61 | list.Add(2); |
| 62 | list.Add(3); |
| 63 | list.Add(4); |
| 64 | |
| 65 | // Add an existing element, the backing store should have to grow. |
| 66 | list.Add(list[0]); |
| 67 | CHECK_EQ(1, list[4]); |
| 68 | } |
| 69 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 70 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 71 | // Test that we can add all elements from a list to another list. |
| 72 | TEST(ListAddAll) { |
| 73 | List<int, ZeroingAllocationPolicy> list(4); |
| 74 | list.Add(0); |
| 75 | list.Add(1); |
| 76 | list.Add(2); |
| 77 | |
| 78 | CHECK_EQ(3, list.length()); |
| 79 | for (int i = 0; i < 3; i++) { |
| 80 | CHECK_EQ(i, list[i]); |
| 81 | } |
| 82 | |
| 83 | List<int, ZeroingAllocationPolicy> other_list(4); |
| 84 | |
| 85 | // Add no elements to list since other_list is empty. |
| 86 | list.AddAll(other_list); |
| 87 | CHECK_EQ(3, list.length()); |
| 88 | for (int i = 0; i < 3; i++) { |
| 89 | CHECK_EQ(i, list[i]); |
| 90 | } |
| 91 | |
| 92 | // Add three elements to other_list. |
| 93 | other_list.Add(0); |
| 94 | other_list.Add(1); |
| 95 | other_list.Add(2); |
| 96 | |
| 97 | // Copy the three elements from other_list to list. |
| 98 | list.AddAll(other_list); |
| 99 | CHECK_EQ(6, list.length()); |
| 100 | for (int i = 0; i < 6; i++) { |
| 101 | CHECK_EQ(i % 3, list[i]); |
| 102 | } |
| 103 | } |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 104 | |
| 105 | |
| 106 | TEST(RemoveLast) { |
| 107 | List<int> list(4); |
| 108 | CHECK_EQ(0, list.length()); |
| 109 | list.Add(1); |
| 110 | CHECK_EQ(1, list.length()); |
| 111 | CHECK_EQ(1, list.last()); |
| 112 | list.RemoveLast(); |
| 113 | CHECK_EQ(0, list.length()); |
| 114 | list.Add(2); |
| 115 | list.Add(3); |
| 116 | CHECK_EQ(2, list.length()); |
| 117 | CHECK_EQ(3, list.last()); |
| 118 | list.RemoveLast(); |
| 119 | CHECK_EQ(1, list.length()); |
| 120 | CHECK_EQ(2, list.last()); |
| 121 | list.RemoveLast(); |
| 122 | CHECK_EQ(0, list.length()); |
| 123 | |
| 124 | const int kElements = 100; |
| 125 | for (int i = 0; i < kElements; i++) list.Add(i); |
| 126 | for (int j = kElements - 1; j >= 0; j--) { |
| 127 | CHECK_EQ(j + 1, list.length()); |
| 128 | CHECK_EQ(j, list.last()); |
| 129 | list.RemoveLast(); |
| 130 | CHECK_EQ(j, list.length()); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 135 | TEST(Allocate) { |
| 136 | List<int> list(4); |
| 137 | list.Add(1); |
| 138 | CHECK_EQ(1, list.length()); |
| 139 | list.Allocate(100); |
| 140 | CHECK_EQ(100, list.length()); |
| 141 | CHECK_LE(100, list.capacity()); |
| 142 | list[99] = 123; |
| 143 | CHECK_EQ(123, list[99]); |
| 144 | } |
| 145 | |
| 146 | |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 147 | TEST(Clear) { |
| 148 | List<int> list(4); |
| 149 | CHECK_EQ(0, list.length()); |
| 150 | for (int i = 0; i < 4; ++i) list.Add(i); |
| 151 | CHECK_EQ(4, list.length()); |
| 152 | list.Clear(); |
| 153 | CHECK_EQ(0, list.length()); |
| 154 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 155 | |
| 156 | |
| 157 | TEST(DeleteEmpty) { |
| 158 | { |
| 159 | List<int>* list = new List<int>(0); |
| 160 | delete list; |
| 161 | } |
| 162 | { |
| 163 | List<int> list(0); |
| 164 | } |
| 165 | } |