alignment.cpp revision 1.1.1.1 
1//===-- alignment.cpp -------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "gwp_asan/tests/harness.h"
10
11TEST_F(DefaultGuardedPoolAllocator, BasicAllocation) {
12  std::vector<std::pair<int, int>> AllocSizeToAlignment = {
13      {1, 1},   {2, 2},   {3, 4},       {4, 4},       {5, 8},   {7, 8},
14      {8, 8},   {9, 16},  {15, 16},     {16, 16},     {17, 16}, {31, 16},
15      {32, 16}, {33, 16}, {4095, 4096}, {4096, 4096},
16  };
17
18  for (const auto &KV : AllocSizeToAlignment) {
19    void *Ptr = GPA.allocate(KV.first);
20    EXPECT_NE(nullptr, Ptr);
21
22    // Check the alignment of the pointer is as expected.
23    EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(Ptr) % KV.second);
24
25    GPA.deallocate(Ptr);
26  }
27}
28