| // Copyright 2015 The Chromium 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 <stddef.h> |
| |
| #include <limits> |
| |
| #include "base/allocator/features.h" |
| #include "base/process/memory.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| #if defined(OS_MACOSX) |
| #include "base/allocator/allocator_interception_mac.h" |
| #endif |
| |
| #if BUILDFLAG(USE_ALLOCATOR_SHIM) |
| // Test that the allocator shim is in-place so that base::UncheckedMalloc works. |
| TEST(OutOfMemoryHandledTest, UncheckedMalloc) { |
| // Enable termination on OOM - just as setup.exe does at early initialization |
| // - and test that UncheckedMalloc properly by-passes this in order to allow |
| // the caller to handle OOM. |
| base::EnableTerminationOnOutOfMemory(); |
| |
| const size_t kSafeMallocSize = 512; |
| |
| void* value = nullptr; |
| EXPECT_TRUE(base::UncheckedMalloc(kSafeMallocSize, &value)); |
| EXPECT_NE(nullptr, value); |
| free(value); |
| |
| // Make test size as large as possible minus a few pages so that alignment or |
| // other rounding doesn't make it wrap. |
| const size_t kUnsafeMallocSize( |
| std::numeric_limits<std::size_t>::max() - 12 * 1024); |
| |
| EXPECT_FALSE(base::UncheckedMalloc(kUnsafeMallocSize, &value)); |
| EXPECT_EQ(nullptr, value); |
| |
| #if defined(OS_MACOSX) |
| base::allocator::UninterceptMallocZonesForTesting(); |
| #endif |
| } |
| #endif // BUILDFLAG(USE_ALLOCATOR_SHIM) |
