Fix incorrect CPDFSDK_PageView::CountAnnots().
[pdfium.git] / core / src / fxcrt / fx_basic_memmgr_unittest.cpp
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 "testing/gtest/include/gtest/gtest.h"
8 #include "../../include/fxcrt/fx_memory.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 }