| // Copyright 2015 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <limits> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "../../include/fxcrt/fx_memory.h" |
| |
| namespace { |
| |
| const size_t kMaxByteAlloc = std::numeric_limits<size_t>::max(); |
| const size_t kMaxIntAlloc = kMaxByteAlloc / sizeof(int); |
| const size_t kOverflowIntAlloc = kMaxIntAlloc + 100; |
| |
| } // namespace |
| |
| TEST(fxcrt, FX_AllocOOM) { |
| EXPECT_DEATH_IF_SUPPORTED(FX_Alloc(int, kMaxIntAlloc), ""); |
| EXPECT_DEATH_IF_SUPPORTED(FX_Alloc(int, kOverflowIntAlloc), ""); |
| |
| int* ptr = FX_Alloc(int, 1); |
| EXPECT_TRUE(ptr); |
| EXPECT_DEATH_IF_SUPPORTED(FX_Realloc(int, ptr, kMaxIntAlloc), ""); |
| EXPECT_DEATH_IF_SUPPORTED(FX_Realloc(int, ptr, kOverflowIntAlloc), ""); |
| FX_Free(ptr); |
| } |
| |
| TEST(fxcrt, FX_TryAllocOOM) { |
| EXPECT_FALSE(FX_TryAlloc(int, kMaxIntAlloc)); |
| EXPECT_FALSE(FX_TryAlloc(int, kOverflowIntAlloc)); |
| |
| int* ptr = FX_Alloc(int, 1); |
| EXPECT_TRUE(ptr); |
| EXPECT_FALSE(FX_TryRealloc(int, ptr, kMaxIntAlloc)); |
| EXPECT_FALSE(FX_TryRealloc(int, ptr, kOverflowIntAlloc)); |
| FX_Free(ptr); |
| } |
| |
| TEST(fxcrt, FXMEM_DefaultOOM) { |
| EXPECT_FALSE(FXMEM_DefaultAlloc(kMaxByteAlloc, 0)); |
| |
| void* ptr = FXMEM_DefaultAlloc(1, 0); |
| EXPECT_TRUE(ptr); |
| EXPECT_FALSE(FXMEM_DefaultRealloc(ptr, kMaxByteAlloc, 0)); |
| FXMEM_DefaultFree(ptr, 0); |
| } |