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[209] | 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/Internals/StaticStringBuilder.hpp>
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| 10 |
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| 11 | using namespace ArduinoJson::Internals;
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| 12 |
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| 13 | class StringBuilderTests : public testing::Test {
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| 14 | protected:
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| 15 | virtual void SetUp() {
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| 16 | _stringBuilder = new StaticStringBuilder(_buffer, sizeof(_buffer));
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| 17 | }
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| 18 |
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| 19 | virtual void TearDown() { delete _stringBuilder; }
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| 20 |
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| 21 | void print(const char *value) { _returnValue = _stringBuilder->print(value); }
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| 22 |
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| 23 | void outputMustBe(const char *expected) { EXPECT_STREQ(expected, _buffer); }
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| 24 |
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| 25 | void resultMustBe(size_t expected) { EXPECT_EQ(expected, _returnValue); }
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| 26 |
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| 27 | private:
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| 28 | char _buffer[20];
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| 29 | Print *_stringBuilder;
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| 30 | size_t _returnValue;
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| 31 | };
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| 32 |
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| 33 | TEST_F(StringBuilderTests, InitialState) { outputMustBe(""); }
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| 34 |
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| 35 | TEST_F(StringBuilderTests, OverCapacity) {
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| 36 | print("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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| 37 | resultMustBe(19);
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| 38 |
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| 39 | print("ABC");
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| 40 | resultMustBe(0);
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| 41 |
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| 42 | outputMustBe("ABCDEFGHIJKLMNOPQRS");
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| 43 | }
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| 44 |
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| 45 | TEST_F(StringBuilderTests, EmptyString) {
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| 46 | print("");
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| 47 | resultMustBe(0);
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| 48 | outputMustBe("");
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| 49 | }
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| 50 |
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| 51 | TEST_F(StringBuilderTests, OneString) {
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| 52 | print("ABCD");
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| 53 | resultMustBe(4);
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| 54 | outputMustBe("ABCD");
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| 55 | }
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| 56 |
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| 57 | TEST_F(StringBuilderTests, TwoStrings) {
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| 58 | print("ABCD");
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| 59 | resultMustBe(4);
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| 60 |
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| 61 | print("EFGH");
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| 62 | resultMustBe(4);
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| 63 |
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| 64 | outputMustBe("ABCDEFGH");
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| 65 | }
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