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annotate unittests/Support/MemoryTest.cpp @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 803732b1fca8
children c2174574ed3a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //===- llvm/unittest/Support/AllocatorTest.cpp - BumpPtrAllocator tests ---===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/Support/Memory.h"
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11 #include "llvm/Support/Process.h"
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12 #include "gtest/gtest.h"
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13 #include <cstdlib>
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14
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15 using namespace llvm;
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16 using namespace sys;
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17
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18 namespace {
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19
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20 class MappedMemoryTest : public ::testing::TestWithParam<unsigned> {
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21 public:
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22 MappedMemoryTest() {
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23 Flags = GetParam();
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24 PageSize = sys::Process::getPageSize();
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25 }
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26
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27 protected:
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28 // Adds RW flags to permit testing of the resulting memory
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29 unsigned getTestableEquivalent(unsigned RequestedFlags) {
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30 switch (RequestedFlags) {
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31 case Memory::MF_READ:
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32 case Memory::MF_WRITE:
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33 case Memory::MF_READ|Memory::MF_WRITE:
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34 return Memory::MF_READ|Memory::MF_WRITE;
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35 case Memory::MF_READ|Memory::MF_EXEC:
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36 case Memory::MF_READ|Memory::MF_WRITE|Memory::MF_EXEC:
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37 case Memory::MF_EXEC:
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38 return Memory::MF_READ|Memory::MF_WRITE|Memory::MF_EXEC;
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39 }
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40 // Default in case values are added to the enum, as required by some compilers
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41 return Memory::MF_READ|Memory::MF_WRITE;
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42 }
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43
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44 // Returns true if the memory blocks overlap
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45 bool doesOverlap(MemoryBlock M1, MemoryBlock M2) {
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46 if (M1.base() == M2.base())
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47 return true;
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48
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49 if (M1.base() > M2.base())
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50 return (unsigned char *)M2.base() + M2.size() > M1.base();
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51
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52 return (unsigned char *)M1.base() + M1.size() > M2.base();
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53 }
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54
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55 unsigned Flags;
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56 size_t PageSize;
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57 };
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58
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59 TEST_P(MappedMemoryTest, AllocAndRelease) {
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60 std::error_code EC;
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61 MemoryBlock M1 = Memory::allocateMappedMemory(sizeof(int), nullptr, Flags,EC);
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62 EXPECT_EQ(std::error_code(), EC);
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63
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64 EXPECT_NE((void*)nullptr, M1.base());
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65 EXPECT_LE(sizeof(int), M1.size());
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66
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67 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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68 }
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69
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70 TEST_P(MappedMemoryTest, MultipleAllocAndRelease) {
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71 std::error_code EC;
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72 MemoryBlock M1 = Memory::allocateMappedMemory(16, nullptr, Flags, EC);
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73 EXPECT_EQ(std::error_code(), EC);
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74 MemoryBlock M2 = Memory::allocateMappedMemory(64, nullptr, Flags, EC);
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75 EXPECT_EQ(std::error_code(), EC);
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76 MemoryBlock M3 = Memory::allocateMappedMemory(32, nullptr, Flags, EC);
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77 EXPECT_EQ(std::error_code(), EC);
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78
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79 EXPECT_NE((void*)nullptr, M1.base());
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80 EXPECT_LE(16U, M1.size());
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81 EXPECT_NE((void*)nullptr, M2.base());
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82 EXPECT_LE(64U, M2.size());
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83 EXPECT_NE((void*)nullptr, M3.base());
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84 EXPECT_LE(32U, M3.size());
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85
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86 EXPECT_FALSE(doesOverlap(M1, M2));
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87 EXPECT_FALSE(doesOverlap(M2, M3));
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88 EXPECT_FALSE(doesOverlap(M1, M3));
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89
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90 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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91 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
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92 MemoryBlock M4 = Memory::allocateMappedMemory(16, nullptr, Flags, EC);
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93 EXPECT_EQ(std::error_code(), EC);
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94 EXPECT_NE((void*)nullptr, M4.base());
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95 EXPECT_LE(16U, M4.size());
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96 EXPECT_FALSE(Memory::releaseMappedMemory(M4));
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97 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
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98 }
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99
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100 TEST_P(MappedMemoryTest, BasicWrite) {
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101 // This test applies only to readable and writeable combinations
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102 if (Flags &&
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103 !((Flags & Memory::MF_READ) && (Flags & Memory::MF_WRITE)))
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104 return;
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105
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106 std::error_code EC;
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107 MemoryBlock M1 = Memory::allocateMappedMemory(sizeof(int), nullptr, Flags,EC);
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108 EXPECT_EQ(std::error_code(), EC);
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109
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110 EXPECT_NE((void*)nullptr, M1.base());
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111 EXPECT_LE(sizeof(int), M1.size());
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112
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113 int *a = (int*)M1.base();
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114 *a = 1;
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115 EXPECT_EQ(1, *a);
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116
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117 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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118 }
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119
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120 TEST_P(MappedMemoryTest, MultipleWrite) {
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121 // This test applies only to readable and writeable combinations
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122 if (Flags &&
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123 !((Flags & Memory::MF_READ) && (Flags & Memory::MF_WRITE)))
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124 return;
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125 std::error_code EC;
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126 MemoryBlock M1 = Memory::allocateMappedMemory(sizeof(int), nullptr, Flags,
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127 EC);
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128 EXPECT_EQ(std::error_code(), EC);
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129 MemoryBlock M2 = Memory::allocateMappedMemory(8 * sizeof(int), nullptr, Flags,
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parents: 0
diff changeset
130 EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
131 EXPECT_EQ(std::error_code(), EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
132 MemoryBlock M3 = Memory::allocateMappedMemory(4 * sizeof(int), nullptr, Flags,
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
133 EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
134 EXPECT_EQ(std::error_code(), EC);
0
95c75e76d11b LLVM 3.4
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parents:
diff changeset
135
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 EXPECT_FALSE(doesOverlap(M1, M2));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 EXPECT_FALSE(doesOverlap(M2, M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 EXPECT_FALSE(doesOverlap(M1, M3));
95c75e76d11b LLVM 3.4
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parents:
diff changeset
139
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
140 EXPECT_NE((void*)nullptr, M1.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 EXPECT_LE(1U * sizeof(int), M1.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
142 EXPECT_NE((void*)nullptr, M2.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 EXPECT_LE(8U * sizeof(int), M2.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
144 EXPECT_NE((void*)nullptr, M3.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 EXPECT_LE(4U * sizeof(int), M3.size());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 int *x = (int*)M1.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 *x = 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 int *y = (int*)M2.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 for (int i = 0; i < 8; i++) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 y[i] = i;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 int *z = (int*)M3.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 *z = 42;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 EXPECT_EQ(1, *x);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 EXPECT_EQ(7, y[7]);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 EXPECT_EQ(42, *z);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164
77
54457678186b LLVM 3.6
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parents: 0
diff changeset
165 MemoryBlock M4 = Memory::allocateMappedMemory(64 * sizeof(int), nullptr,
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
166 Flags, EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
167 EXPECT_EQ(std::error_code(), EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
168 EXPECT_NE((void*)nullptr, M4.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 EXPECT_LE(64U * sizeof(int), M4.size());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 x = (int*)M4.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 *x = 4;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 EXPECT_EQ(4, *x);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 EXPECT_FALSE(Memory::releaseMappedMemory(M4));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 // Verify that M2 remains unaffected by other activity
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 for (int i = 0; i < 8; i++) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 EXPECT_EQ(i, y[i]);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 TEST_P(MappedMemoryTest, EnabledWrite) {
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
183 std::error_code EC;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
184 MemoryBlock M1 = Memory::allocateMappedMemory(2 * sizeof(int), nullptr, Flags,
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
185 EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
186 EXPECT_EQ(std::error_code(), EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
187 MemoryBlock M2 = Memory::allocateMappedMemory(8 * sizeof(int), nullptr, Flags,
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
188 EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
189 EXPECT_EQ(std::error_code(), EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
190 MemoryBlock M3 = Memory::allocateMappedMemory(4 * sizeof(int), nullptr, Flags,
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
191 EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
192 EXPECT_EQ(std::error_code(), EC);
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
194 EXPECT_NE((void*)nullptr, M1.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 EXPECT_LE(2U * sizeof(int), M1.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
196 EXPECT_NE((void*)nullptr, M2.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 EXPECT_LE(8U * sizeof(int), M2.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
198 EXPECT_NE((void*)nullptr, M3.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 EXPECT_LE(4U * sizeof(int), M3.size());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 EXPECT_FALSE(Memory::protectMappedMemory(M1, getTestableEquivalent(Flags)));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 EXPECT_FALSE(Memory::protectMappedMemory(M2, getTestableEquivalent(Flags)));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 EXPECT_FALSE(Memory::protectMappedMemory(M3, getTestableEquivalent(Flags)));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 EXPECT_FALSE(doesOverlap(M1, M2));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 EXPECT_FALSE(doesOverlap(M2, M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 EXPECT_FALSE(doesOverlap(M1, M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 int *x = (int*)M1.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 *x = 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 int *y = (int*)M2.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 for (unsigned int i = 0; i < 8; i++) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 y[i] = i;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 int *z = (int*)M3.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 *z = 42;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 EXPECT_EQ(1, *x);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 EXPECT_EQ(7, y[7]);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 EXPECT_EQ(42, *z);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 EXPECT_EQ(6, y[6]);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
226 MemoryBlock M4 = Memory::allocateMappedMemory(16, nullptr, Flags, EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
227 EXPECT_EQ(std::error_code(), EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
228 EXPECT_NE((void*)nullptr, M4.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 EXPECT_LE(16U, M4.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
230 EXPECT_EQ(std::error_code(),
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
231 Memory::protectMappedMemory(M4, getTestableEquivalent(Flags)));
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 x = (int*)M4.base();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 *x = 4;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 EXPECT_EQ(4, *x);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 EXPECT_FALSE(Memory::releaseMappedMemory(M4));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 TEST_P(MappedMemoryTest, SuccessiveNear) {
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
240 std::error_code EC;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
241 MemoryBlock M1 = Memory::allocateMappedMemory(16, nullptr, Flags, EC);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
242 EXPECT_EQ(std::error_code(), EC);
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 MemoryBlock M2 = Memory::allocateMappedMemory(64, &M1, Flags, EC);
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
244 EXPECT_EQ(std::error_code(), EC);
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 MemoryBlock M3 = Memory::allocateMappedMemory(32, &M2, Flags, EC);
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
246 EXPECT_EQ(std::error_code(), EC);
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
248 EXPECT_NE((void*)nullptr, M1.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 EXPECT_LE(16U, M1.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
250 EXPECT_NE((void*)nullptr, M2.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 EXPECT_LE(64U, M2.size());
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
252 EXPECT_NE((void*)nullptr, M3.base());
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 EXPECT_LE(32U, M3.size());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 EXPECT_FALSE(doesOverlap(M1, M2));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 EXPECT_FALSE(doesOverlap(M2, M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 EXPECT_FALSE(doesOverlap(M1, M3));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258
95c75e76d11b LLVM 3.4
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diff changeset
259 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
95c75e76d11b LLVM 3.4
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diff changeset
260 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
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diff changeset
261 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
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diff changeset
262 }
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diff changeset
263
95c75e76d11b LLVM 3.4
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diff changeset
264 TEST_P(MappedMemoryTest, DuplicateNear) {
77
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diff changeset
265 std::error_code EC;
0
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diff changeset
266 MemoryBlock Near((void*)(3*PageSize), 16);
95c75e76d11b LLVM 3.4
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diff changeset
267 MemoryBlock M1 = Memory::allocateMappedMemory(16, &Near, Flags, EC);
77
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diff changeset
268 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
269 MemoryBlock M2 = Memory::allocateMappedMemory(64, &Near, Flags, EC);
77
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diff changeset
270 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
271 MemoryBlock M3 = Memory::allocateMappedMemory(32, &Near, Flags, EC);
77
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diff changeset
272 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
273
77
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diff changeset
274 EXPECT_NE((void*)nullptr, M1.base());
0
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diff changeset
275 EXPECT_LE(16U, M1.size());
77
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diff changeset
276 EXPECT_NE((void*)nullptr, M2.base());
0
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diff changeset
277 EXPECT_LE(64U, M2.size());
77
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diff changeset
278 EXPECT_NE((void*)nullptr, M3.base());
0
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diff changeset
279 EXPECT_LE(32U, M3.size());
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diff changeset
280
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diff changeset
281 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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diff changeset
282 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
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diff changeset
283 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
95c75e76d11b LLVM 3.4
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diff changeset
284 }
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diff changeset
285
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diff changeset
286 TEST_P(MappedMemoryTest, ZeroNear) {
77
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diff changeset
287 std::error_code EC;
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diff changeset
288 MemoryBlock Near(nullptr, 0);
0
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diff changeset
289 MemoryBlock M1 = Memory::allocateMappedMemory(16, &Near, Flags, EC);
77
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diff changeset
290 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
291 MemoryBlock M2 = Memory::allocateMappedMemory(64, &Near, Flags, EC);
77
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diff changeset
292 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
293 MemoryBlock M3 = Memory::allocateMappedMemory(32, &Near, Flags, EC);
77
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diff changeset
294 EXPECT_EQ(std::error_code(), EC);
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diff changeset
295
77
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diff changeset
296 EXPECT_NE((void*)nullptr, M1.base());
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diff changeset
297 EXPECT_LE(16U, M1.size());
77
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diff changeset
298 EXPECT_NE((void*)nullptr, M2.base());
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diff changeset
299 EXPECT_LE(64U, M2.size());
77
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diff changeset
300 EXPECT_NE((void*)nullptr, M3.base());
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diff changeset
301 EXPECT_LE(32U, M3.size());
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diff changeset
302
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diff changeset
303 EXPECT_FALSE(doesOverlap(M1, M2));
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diff changeset
304 EXPECT_FALSE(doesOverlap(M2, M3));
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diff changeset
305 EXPECT_FALSE(doesOverlap(M1, M3));
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diff changeset
306
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diff changeset
307 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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diff changeset
308 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
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diff changeset
309 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
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diff changeset
310 }
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diff changeset
311
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diff changeset
312 TEST_P(MappedMemoryTest, ZeroSizeNear) {
77
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diff changeset
313 std::error_code EC;
0
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diff changeset
314 MemoryBlock Near((void*)(4*PageSize), 0);
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diff changeset
315 MemoryBlock M1 = Memory::allocateMappedMemory(16, &Near, Flags, EC);
77
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diff changeset
316 EXPECT_EQ(std::error_code(), EC);
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diff changeset
317 MemoryBlock M2 = Memory::allocateMappedMemory(64, &Near, Flags, EC);
77
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diff changeset
318 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
319 MemoryBlock M3 = Memory::allocateMappedMemory(32, &Near, Flags, EC);
77
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diff changeset
320 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
321
77
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diff changeset
322 EXPECT_NE((void*)nullptr, M1.base());
0
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diff changeset
323 EXPECT_LE(16U, M1.size());
77
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diff changeset
324 EXPECT_NE((void*)nullptr, M2.base());
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diff changeset
325 EXPECT_LE(64U, M2.size());
77
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diff changeset
326 EXPECT_NE((void*)nullptr, M3.base());
0
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diff changeset
327 EXPECT_LE(32U, M3.size());
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diff changeset
328
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diff changeset
329 EXPECT_FALSE(doesOverlap(M1, M2));
95c75e76d11b LLVM 3.4
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diff changeset
330 EXPECT_FALSE(doesOverlap(M2, M3));
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diff changeset
331 EXPECT_FALSE(doesOverlap(M1, M3));
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diff changeset
332
95c75e76d11b LLVM 3.4
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diff changeset
333 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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parents:
diff changeset
334 EXPECT_FALSE(Memory::releaseMappedMemory(M3));
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parents:
diff changeset
335 EXPECT_FALSE(Memory::releaseMappedMemory(M2));
95c75e76d11b LLVM 3.4
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parents:
diff changeset
336 }
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diff changeset
337
95c75e76d11b LLVM 3.4
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diff changeset
338 TEST_P(MappedMemoryTest, UnalignedNear) {
77
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diff changeset
339 std::error_code EC;
0
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diff changeset
340 MemoryBlock Near((void*)(2*PageSize+5), 0);
95c75e76d11b LLVM 3.4
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diff changeset
341 MemoryBlock M1 = Memory::allocateMappedMemory(15, &Near, Flags, EC);
77
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diff changeset
342 EXPECT_EQ(std::error_code(), EC);
0
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diff changeset
343
77
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diff changeset
344 EXPECT_NE((void*)nullptr, M1.base());
0
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diff changeset
345 EXPECT_LE(sizeof(int), M1.size());
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parents:
diff changeset
346
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diff changeset
347 EXPECT_FALSE(Memory::releaseMappedMemory(M1));
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diff changeset
348 }
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diff changeset
349
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diff changeset
350 // Note that Memory::MF_WRITE is not supported exclusively across
95c75e76d11b LLVM 3.4
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parents:
diff changeset
351 // operating systems and architectures and can imply MF_READ|MF_WRITE
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 unsigned MemoryFlags[] = {
121
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
353 Memory::MF_READ,
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
354 Memory::MF_WRITE,
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
355 Memory::MF_READ|Memory::MF_WRITE,
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
356 Memory::MF_EXEC,
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
357 Memory::MF_READ|Memory::MF_EXEC,
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
358 Memory::MF_READ|Memory::MF_WRITE|Memory::MF_EXEC
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
359 };
0
95c75e76d11b LLVM 3.4
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parents:
diff changeset
360
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 INSTANTIATE_TEST_CASE_P(AllocationTests,
121
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
362 MappedMemoryTest,
803732b1fca8 LLVM 5.0
kono
parents: 83
diff changeset
363 ::testing::ValuesIn(MemoryFlags),);
0
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diff changeset
364
95c75e76d11b LLVM 3.4
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diff changeset
365 } // anonymous namespace