1e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// Copyright 2015 PDFium Authors. All rights reserved. 2e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// Use of this source code is governed by a BSD-style license that can be 3e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// found in the LICENSE file. 4e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 5e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include <limits> 6e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 7ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann#include "core/include/fxcrt/fx_memory.h" 8e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "testing/gtest/include/gtest/gtest.h" 9e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 10e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovnamespace { 11e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 12e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovconst size_t kMaxByteAlloc = std::numeric_limits<size_t>::max(); 13e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovconst size_t kMaxIntAlloc = kMaxByteAlloc / sizeof(int); 14e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovconst size_t kOverflowIntAlloc = kMaxIntAlloc + 100; 15e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovconst size_t kWidth = 640; 16e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovconst size_t kOverflowIntAlloc2D = kMaxIntAlloc / kWidth + 10; 17e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 18e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} // namespace 19e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 20e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// TODO(tsepez): re-enable OOM tests if we can find a way to 21e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// prevent it from hosing the bots. 22e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST(fxcrt, DISABLED_FX_AllocOOM) { 23ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc(int, kMaxIntAlloc), ""); 24e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 25ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann int* ptr = FX_Alloc(int, 1); 26ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_TRUE(ptr); 27ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_DEATH_IF_SUPPORTED((void)FX_Realloc(int, ptr, kMaxIntAlloc), ""); 28ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_Free(ptr); 29e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 30e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 31e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST(fxcrt, FX_AllocOverflow) { 32ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc(int, kOverflowIntAlloc), ""); 33e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 34ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann int* ptr = FX_Alloc(int, 1); 35ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_TRUE(ptr); 36ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_DEATH_IF_SUPPORTED((void)FX_Realloc(int, ptr, kOverflowIntAlloc), ""); 37ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_Free(ptr); 38e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 39e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 40e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST(fxcrt, FX_AllocOverflow2D) { 41ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc2D(int, kWidth, kOverflowIntAlloc2D), 42ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann ""); 43e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 44e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 45e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST(fxcrt, DISABLED_FX_TryAllocOOM) { 46ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_FALSE(FX_TryAlloc(int, kMaxIntAlloc)); 47e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 48ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann int* ptr = FX_Alloc(int, 1); 49ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_TRUE(ptr); 50ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_FALSE(FX_TryRealloc(int, ptr, kMaxIntAlloc)); 51ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_Free(ptr); 52e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 53e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 54e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST(fxcrt, FX_TryAllocOverflow) { 55ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_FALSE(FX_TryAlloc(int, kOverflowIntAlloc)); 56e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 57ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann int* ptr = FX_Alloc(int, 1); 58ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_TRUE(ptr); 59ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_FALSE(FX_TryRealloc(int, ptr, kOverflowIntAlloc)); 60ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_Free(ptr); 61e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 62e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 63e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST(fxcrt, DISABLED_FXMEM_DefaultOOM) { 64ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_FALSE(FXMEM_DefaultAlloc(kMaxByteAlloc, 0)); 65e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 66ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann void* ptr = FXMEM_DefaultAlloc(1, 0); 67ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_TRUE(ptr); 68ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann EXPECT_FALSE(FXMEM_DefaultRealloc(ptr, kMaxByteAlloc, 0)); 69ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FXMEM_DefaultFree(ptr, 0); 70e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 71