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1 // Copyright 2019 The PDFium Authors
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 "core/fxcrt/fx_memory_wrappers.h"
6 
7 #include <memory>
8 #include <sstream>
9 #include <string>
10 #include <vector>
11 
12 #include "build/build_config.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14 
15 namespace {
16 
17 struct OnlyNumbers {
18   int x;
19   int y;
20 };
21 
22 }  // namespace
23 
24 FX_DATA_PARTITION_EXCEPTION(OnlyNumbers);
25 
TEST(fxcrt,FxFreeDeleter)26 TEST(fxcrt, FxFreeDeleter) {
27   std::unique_ptr<int, FxFreeDeleter> empty(nullptr);
28   std::unique_ptr<int, FxFreeDeleter> thing(FX_Alloc(int, 1));
29   std::unique_ptr<int, FxFreeDeleter> several(FX_Alloc(int, 100));
30   EXPECT_FALSE(empty);
31   EXPECT_TRUE(thing);
32   EXPECT_TRUE(several);
33 }
34 
TEST(fxcrt,FxAllocAllocator)35 TEST(fxcrt, FxAllocAllocator) {
36   // Let ASAN sanity check some simple operations.
37   std::vector<int, FxAllocAllocator<int>> vec;
38   vec.push_back(42);
39   vec.reserve(100);
40   vec.resize(20);
41   vec[11] = 42;
42 
43   std::vector<int, FxAllocAllocator<int>> vec2 = vec;
44   vec = std::move(vec2);
45   vec2.resize(0);
46   vec2.push_back(42);
47 }
48 
TEST(fxcrt,FxStringAllocator)49 TEST(fxcrt, FxStringAllocator) {
50   // Let ASAN sanity check some simple operations.
51   std::basic_ostringstream<char, std::char_traits<char>,
52                            FxStringAllocator<char>>
53       str;
54   str << 'B';
55   str << "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
56   str << "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
57   str << "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
58   str << 42.0f;
59 }
60 
TEST(fxcrt,FxAllocAllocatorStructException)61 TEST(fxcrt, FxAllocAllocatorStructException) {
62   std::vector<OnlyNumbers, FxAllocAllocator<OnlyNumbers>> vec;
63   vec.push_back({42, 73});
64   EXPECT_EQ(vec.back().x, 42);
65   EXPECT_EQ(vec.back().y, 73);
66 }
67