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1 | // Copyright Benoit Blanchon 2014-2016
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2 | // MIT License
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3 | //
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4 | // Arduino JSON library
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5 | // https://github.com/bblanchon/ArduinoJson
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6 | // If you like this project, please add a star!
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7 |
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8 | #include <gtest/gtest.h>
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9 |
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10 | #define protected public
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11 | #include <ArduinoJson/DynamicJsonBuffer.hpp>
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12 |
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13 | using namespace ArduinoJson;
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14 |
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15 | class DynamicJsonBuffer_Basic_Tests : public testing::Test {
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16 | protected:
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17 | DynamicJsonBuffer buffer;
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18 | };
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19 |
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20 | TEST_F(DynamicJsonBuffer_Basic_Tests, InitialSizeIsZero) {
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21 | ASSERT_EQ(0, buffer.size());
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22 | }
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23 |
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24 | TEST_F(DynamicJsonBuffer_Basic_Tests, SizeIncreasesAfterAlloc) {
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25 | buffer.alloc(1);
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26 | ASSERT_LE(1U, buffer.size());
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27 | buffer.alloc(1);
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28 | ASSERT_LE(2U, buffer.size());
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29 | }
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30 |
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31 | TEST_F(DynamicJsonBuffer_Basic_Tests, ReturnDifferentPointer) {
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32 | void* p1 = buffer.alloc(1);
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33 | void* p2 = buffer.alloc(2);
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34 | ASSERT_NE(p1, p2);
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35 | }
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36 |
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37 | TEST_F(DynamicJsonBuffer_Basic_Tests, Alignment) {
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38 | size_t mask = sizeof(void*) - 1;
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39 |
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40 | for (size_t size = 1; size <= sizeof(void*); size++) {
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41 | size_t addr = reinterpret_cast<size_t>(buffer.alloc(1));
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42 | ASSERT_EQ(0, addr & mask);
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43 | }
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44 | }
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