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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <cstddef> | 5 #include <stddef.h> |
| 6 |
6 #include <limits> | 7 #include <limits> |
7 | 8 |
8 #include "base/process/memory.h" | 9 #include "base/process/memory.h" |
9 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
10 | 11 |
11 #if defined(ALLOCATOR_SHIM) | 12 #if defined(ALLOCATOR_SHIM) |
12 // Test that the allocator shim is in-place so that base::UncheckedMalloc works. | 13 // Test that the allocator shim is in-place so that base::UncheckedMalloc works. |
13 TEST(OutOfMemoryHandledTest, UncheckedMalloc) { | 14 TEST(OutOfMemoryHandledTest, UncheckedMalloc) { |
14 // Enable termination on OOM - just as setup.exe does at early initialization | 15 // Enable termination on OOM - just as setup.exe does at early initialization |
15 // - and test that UncheckedMalloc properly by-passes this in order to allow | 16 // - and test that UncheckedMalloc properly by-passes this in order to allow |
16 // the caller to handle OOM. | 17 // the caller to handle OOM. |
17 base::EnableTerminationOnOutOfMemory(); | 18 base::EnableTerminationOnOutOfMemory(); |
18 | 19 |
19 const size_t kSafeMallocSize = 512; | 20 const size_t kSafeMallocSize = 512; |
20 | 21 |
21 void* value = nullptr; | 22 void* value = nullptr; |
22 EXPECT_TRUE(base::UncheckedMalloc(kSafeMallocSize, &value)); | 23 EXPECT_TRUE(base::UncheckedMalloc(kSafeMallocSize, &value)); |
23 EXPECT_NE(nullptr, value); | 24 EXPECT_NE(nullptr, value); |
24 free(value); | 25 free(value); |
25 | 26 |
26 // Make test size as large as possible minus a few pages so that alignment or | 27 // Make test size as large as possible minus a few pages so that alignment or |
27 // other rounding doesn't make it wrap. | 28 // other rounding doesn't make it wrap. |
28 const size_t kUnsafeMallocSize( | 29 const size_t kUnsafeMallocSize( |
29 std::numeric_limits<std::size_t>::max() - 12 * 1024); | 30 std::numeric_limits<std::size_t>::max() - 12 * 1024); |
30 | 31 |
31 EXPECT_FALSE(base::UncheckedMalloc(kUnsafeMallocSize, &value)); | 32 EXPECT_FALSE(base::UncheckedMalloc(kUnsafeMallocSize, &value)); |
32 EXPECT_EQ(nullptr, value); | 33 EXPECT_EQ(nullptr, value); |
33 } | 34 } |
34 #endif // ALLOCATOR_SHIM | 35 #endif // ALLOCATOR_SHIM |
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