1 // Copyright 2015 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include <limits> 6 7 #include "core/include/fxcrt/fx_memory.h" 8 #include "testing/gtest/include/gtest/gtest.h" 9 10 namespace { 11 12 const size_t kMaxByteAlloc = std::numeric_limits<size_t>::max(); 13 const size_t kMaxIntAlloc = kMaxByteAlloc / sizeof(int); 14 const size_t kOverflowIntAlloc = kMaxIntAlloc + 100; 15 const size_t kWidth = 640; 16 const size_t kOverflowIntAlloc2D = kMaxIntAlloc / kWidth + 10; 17 18 } // namespace 19 20 // TODO(tsepez): re-enable OOM tests if we can find a way to 21 // prevent it from hosing the bots. 22 TEST(fxcrt, DISABLED_FX_AllocOOM) { 23 EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc(int, kMaxIntAlloc), ""); 24 25 int* ptr = FX_Alloc(int, 1); 26 EXPECT_TRUE(ptr); 27 EXPECT_DEATH_IF_SUPPORTED((void)FX_Realloc(int, ptr, kMaxIntAlloc), ""); 28 FX_Free(ptr); 29 } 30 31 TEST(fxcrt, FX_AllocOverflow) { 32 EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc(int, kOverflowIntAlloc), ""); 33 34 int* ptr = FX_Alloc(int, 1); 35 EXPECT_TRUE(ptr); 36 EXPECT_DEATH_IF_SUPPORTED((void)FX_Realloc(int, ptr, kOverflowIntAlloc), ""); 37 FX_Free(ptr); 38 } 39 40 TEST(fxcrt, FX_AllocOverflow2D) { 41 EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc2D(int, kWidth, kOverflowIntAlloc2D), 42 ""); 43 } 44 45 TEST(fxcrt, DISABLED_FX_TryAllocOOM) { 46 EXPECT_FALSE(FX_TryAlloc(int, kMaxIntAlloc)); 47 48 int* ptr = FX_Alloc(int, 1); 49 EXPECT_TRUE(ptr); 50 EXPECT_FALSE(FX_TryRealloc(int, ptr, kMaxIntAlloc)); 51 FX_Free(ptr); 52 } 53 54 TEST(fxcrt, FX_TryAllocOverflow) { 55 EXPECT_FALSE(FX_TryAlloc(int, kOverflowIntAlloc)); 56 57 int* ptr = FX_Alloc(int, 1); 58 EXPECT_TRUE(ptr); 59 EXPECT_FALSE(FX_TryRealloc(int, ptr, kOverflowIntAlloc)); 60 FX_Free(ptr); 61 } 62 63 TEST(fxcrt, DISABLED_FXMEM_DefaultOOM) { 64 EXPECT_FALSE(FXMEM_DefaultAlloc(kMaxByteAlloc, 0)); 65 66 void* ptr = FXMEM_DefaultAlloc(1, 0); 67 EXPECT_TRUE(ptr); 68 EXPECT_FALSE(FXMEM_DefaultRealloc(ptr, kMaxByteAlloc, 0)); 69 FXMEM_DefaultFree(ptr, 0); 70 } 71
