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 | #include <ArduinoJson.h>
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10 |
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11 | TEST(StaticJsonBuffer_CreateObject_Tests, GrowsWithObject) {
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12 | StaticJsonBuffer<JSON_OBJECT_SIZE(3)> buffer;
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13 |
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14 | JsonObject &obj = buffer.createObject();
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15 | ASSERT_EQ(JSON_OBJECT_SIZE(0), buffer.size());
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16 |
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17 | obj["hello"];
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18 | ASSERT_EQ(JSON_OBJECT_SIZE(0), buffer.size());
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19 |
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20 | obj["hello"] = 1;
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21 | ASSERT_EQ(JSON_OBJECT_SIZE(1), buffer.size());
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22 |
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23 | obj["world"] = 2;
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24 | ASSERT_EQ(JSON_OBJECT_SIZE(2), buffer.size());
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25 |
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26 | obj["world"] = 3; // <- same key, should not grow
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27 | ASSERT_EQ(JSON_OBJECT_SIZE(2), buffer.size());
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28 | }
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29 |
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30 | TEST(StaticJsonBuffer_CreateObject_Tests, SucceedWhenBigEnough) {
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31 | StaticJsonBuffer<JSON_OBJECT_SIZE(0)> buffer;
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32 |
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33 | JsonObject &object = buffer.createObject();
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34 | ASSERT_TRUE(object.success());
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35 | }
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36 |
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37 | TEST(StaticJsonBuffer_CreateObject_Tests, FailsWhenTooSmall) {
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38 | StaticJsonBuffer<JSON_OBJECT_SIZE(0) - 1> buffer;
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39 |
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40 | JsonObject &object = buffer.createObject();
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41 | ASSERT_FALSE(object.success());
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42 | }
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43 |
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44 | TEST(StaticJsonBuffer_CreateObject_Tests, ObjectDoesntGrowWhenFull) {
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45 | StaticJsonBuffer<JSON_OBJECT_SIZE(1)> buffer;
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46 |
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47 | JsonObject &obj = buffer.createObject();
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48 | obj["hello"] = 1;
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49 | obj["world"] = 2;
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50 |
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51 | ASSERT_EQ(JSON_OBJECT_SIZE(1), buffer.size());
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52 | ASSERT_EQ(1, obj.size());
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53 |
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54 | char json[64];
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55 | obj.printTo(json, sizeof(json));
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56 | ASSERT_STREQ("{\"hello\":1}", json);
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57 | }
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