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1 /* |
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2 * main.cpp -- test Id |
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3 * |
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4 * Copyright (c) 2013-2016 Malikania Authors |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <cstdint> |
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20 #include <thread> |
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21 |
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22 #include <gtest/gtest.h> |
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23 |
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24 #include <malikania/Id.h> |
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25 |
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26 using namespace malikania; |
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27 |
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28 /* -------------------------------------------------------- |
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29 * Basic use case |
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30 * -------------------------------------------------------- */ |
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31 |
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32 class TestId : public testing::Test { |
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33 protected: |
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34 IdGen<unsigned> m_idgen; |
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35 |
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36 public: |
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37 ~TestId() |
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38 { |
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39 m_idgen.reset(); |
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40 } |
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41 }; |
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42 |
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43 TEST_F(TestId, simple) |
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44 { |
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45 ASSERT_EQ(0U, m_idgen.next()); |
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46 ASSERT_EQ(1U, m_idgen.next()); |
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47 ASSERT_EQ(2U, m_idgen.next()); |
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48 ASSERT_EQ(3U, m_idgen.next()); |
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49 ASSERT_EQ(4U, m_idgen.next()); |
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50 } |
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51 |
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52 TEST_F(TestId, reset) |
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53 { |
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54 m_idgen.next(); |
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55 m_idgen.next(); |
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56 m_idgen.next(); |
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57 |
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58 m_idgen.reset(); |
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59 |
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60 ASSERT_EQ(0U, m_idgen.next()); |
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61 } |
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62 |
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63 TEST_F(TestId, release1) |
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64 { |
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65 m_idgen.next(); // 0 |
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66 m_idgen.next(); // 1 |
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67 m_idgen.next(); // 2 |
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68 m_idgen.release(1); |
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69 |
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70 /* |
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71 * 0 and 2 are currently in use. |
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72 * |
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73 * The next id must be 1 and then 3. |
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74 */ |
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75 ASSERT_EQ(1U, m_idgen.next()); |
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76 ASSERT_EQ(3U, m_idgen.next()); |
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77 } |
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78 |
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79 TEST_F(TestId, release2) |
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80 { |
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81 m_idgen.next(); // 0 |
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82 m_idgen.next(); // 1 |
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83 m_idgen.next(); // 2 |
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84 m_idgen.release(1); |
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85 m_idgen.release(0); |
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86 |
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87 /* |
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88 * Only 2 is in use, next id must be: |
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89 * |
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90 * - 1 |
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91 * - 0 |
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92 * - 3 |
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93 */ |
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94 ASSERT_EQ(1U, m_idgen.next()); |
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95 ASSERT_EQ(0U, m_idgen.next()); |
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96 ASSERT_EQ(3U, m_idgen.next()); |
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97 } |
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98 |
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99 /* -------------------------------------------------------- |
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100 * Id RAII class |
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101 * -------------------------------------------------------- */ |
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102 |
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103 TEST(IdLocker, basic) |
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104 { |
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105 IdGen<int8_t> gen; |
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106 Id<int8_t> id(gen); |
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107 |
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108 ASSERT_EQ(0, id); |
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109 } |
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110 |
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111 TEST(IdLocker, two) |
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112 { |
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113 IdGen<int8_t> gen; |
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114 Id<int8_t> id(gen); |
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115 Id<int8_t> id2(gen); |
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116 |
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117 ASSERT_EQ(0, id); |
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118 ASSERT_EQ(1, id2); |
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119 } |
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120 |
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121 TEST(IdLocker, already) |
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122 { |
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123 IdGen<int8_t> gen; |
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124 Id<int8_t> id(gen, gen.next()); |
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125 |
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126 ASSERT_EQ(0, id); |
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127 } |
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128 |
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129 /* -------------------------------------------------------- |
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130 * Limit test |
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131 * -------------------------------------------------------- */ |
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132 |
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133 TEST(Limits, max) |
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134 { |
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135 IdGen<int8_t> idgen; |
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136 int8_t last; |
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137 |
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138 try { |
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139 for (int i = 0; i < 127; ++i) { |
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140 last = idgen.next(); |
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141 } |
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142 } catch (const std::exception &ex) { |
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143 FAIL() << ex.what(); |
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144 } |
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145 |
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146 ASSERT_EQ(126, last); |
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147 } |
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148 |
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149 TEST(Limits, fail) |
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150 { |
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151 IdGen<int8_t> idgen; |
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152 int8_t last; |
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153 |
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154 try { |
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155 for (int i = 0; i < 200; ++i) { |
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156 last = idgen.next(); |
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157 } |
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158 |
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159 FAIL() << "Exception expected"; |
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160 } catch (const std::exception &ex) { |
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161 } |
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162 |
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163 ASSERT_EQ(126, last); |
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164 } |
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165 |
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166 int main(int argc, char **argv) |
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167 { |
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168 testing::InitGoogleTest(&argc, argv); |
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169 |
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170 return RUN_ALL_TESTS(); |
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171 } |