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// Copyright 2011 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]);
CHECK_EQ(1, list[4]);
}
// Test that we can add all elements from a list to another list.
TEST(ListAddAll) {
List<int, ZeroingAllocationPolicy> list(4);
list.Add(0);
list.Add(1);
list.Add(2);
CHECK_EQ(3, list.length());
for (int i = 0; i < 3; i++) {
CHECK_EQ(i, list[i]);
}
List<int, ZeroingAllocationPolicy> other_list(4);
// Add no elements to list since other_list is empty.
list.AddAll(other_list);
CHECK_EQ(3, list.length());
for (int i = 0; i < 3; i++) {
CHECK_EQ(i, list[i]);
}
// Add three elements to other_list.
other_list.Add(0);
other_list.Add(1);
other_list.Add(2);
// Copy the three elements from other_list to list.
list.AddAll(other_list);
CHECK_EQ(6, list.length());
for (int i = 0; i < 6; i++) {
CHECK_EQ(i % 3, list[i]);
}
}
TEST(RemoveLast) {
List<int> list(4);
CHECK_EQ(0, list.length());
list.Add(1);
CHECK_EQ(1, list.length());
CHECK_EQ(1, list.last());
list.RemoveLast();
CHECK_EQ(0, list.length());
list.Add(2);
list.Add(3);
CHECK_EQ(2, list.length());
CHECK_EQ(3, list.last());
list.RemoveLast();
CHECK_EQ(1, list.length());
CHECK_EQ(2, list.last());
list.RemoveLast();
CHECK_EQ(0, list.length());
const int kElements = 100;
for (int i = 0; i < kElements; i++) list.Add(i);
for (int j = kElements - 1; j >= 0; j--) {
CHECK_EQ(j + 1, list.length());
CHECK_EQ(j, list.last());
list.RemoveLast();
CHECK_EQ(j, list.length());
}
}
TEST(Allocate) {
List<int> list(4);
list.Add(1);
CHECK_EQ(1, list.length());
list.Allocate(100);
CHECK_EQ(100, list.length());
CHECK_LE(100, list.capacity());
list[99] = 123;
CHECK_EQ(123, list[99]);
}
TEST(Clear) {
List<int> list(4);
CHECK_EQ(0, list.length());
for (int i = 0; i < 4; ++i) list.Add(i);
CHECK_EQ(4, list.length());
list.Clear();
CHECK_EQ(0, list.length());
}
TEST(DeleteEmpty) {
{
List<int>* list = new List<int>(0);
delete list;
}
{
List<int> list(0);
}
}
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