1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// 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 "core/fxcrt/fx_memory.h"
#include "testing/gtest/include/gtest/gtest.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;
const size_t kWidth = 640;
const size_t kOverflowIntAlloc2D = kMaxIntAlloc / kWidth + 10;
} // namespace
// TODO(tsepez): re-enable OOM tests if we can find a way to
// prevent it from hosing the bots.
TEST(fxcrt, DISABLED_FX_AllocOOM) {
EXPECT_DEATH_IF_SUPPORTED((void)FX_Alloc(int, kMaxIntAlloc), "");
int* ptr = FX_Alloc(int, 1);
EXPECT_TRUE(ptr);
EXPECT_DEATH_IF_SUPPORTED((void)FX_Realloc(int, ptr, kMaxIntAlloc), "");
FX_Free(ptr);
}
TEST(fxcrt, FX_AllocOverflow) {
// |ptr| needs to be defined and used to avoid Clang optimizes away the
// FX_Alloc() statement overzealously for optimized builds.
int* ptr = nullptr;
EXPECT_DEATH_IF_SUPPORTED(ptr = FX_Alloc(int, kOverflowIntAlloc), "") << ptr;
ptr = FX_Alloc(int, 1);
EXPECT_TRUE(ptr);
EXPECT_DEATH_IF_SUPPORTED((void)FX_Realloc(int, ptr, kOverflowIntAlloc), "");
FX_Free(ptr);
}
TEST(fxcrt, FX_AllocOverflow2D) {
// |ptr| needs to be defined and used to avoid Clang optimizes away the
// FX_Alloc() statement overzealously for optimized builds.
int* ptr = nullptr;
EXPECT_DEATH_IF_SUPPORTED(ptr = FX_Alloc2D(int, kWidth, kOverflowIntAlloc2D),
"")
<< ptr;
}
TEST(fxcrt, DISABLED_FX_TryAllocOOM) {
EXPECT_FALSE(FX_TryAlloc(int, kMaxIntAlloc));
int* ptr = FX_Alloc(int, 1);
EXPECT_TRUE(ptr);
EXPECT_FALSE(FX_TryRealloc(int, ptr, kMaxIntAlloc));
FX_Free(ptr);
}
TEST(fxcrt, FX_TryAllocOverflow) {
// |ptr| needs to be defined and used to avoid Clang optimizes away the
// calloc() statement overzealously for optimized builds.
int* ptr = (int*)calloc(sizeof(int), kOverflowIntAlloc);
EXPECT_FALSE(ptr) << ptr;
ptr = FX_Alloc(int, 1);
EXPECT_TRUE(ptr);
EXPECT_FALSE(FX_TryRealloc(int, ptr, kOverflowIntAlloc));
FX_Free(ptr);
}
TEST(fxcrt, DISABLED_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);
}
|
