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ArduinoJson/test/JsonWriter_WriteString_Tests.cpp

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// Copyright Benoit Blanchon 2014-2015
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// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
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#include <gtest/gtest.h>
#include <ArduinoJson/Internals/JsonWriter.hpp>
#include <ArduinoJson/Internals/StringBuilder.hpp>
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using namespace ArduinoJson::Internals;
class JsonWriter_WriteString_Tests : public testing::Test {
protected:
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void whenInputIs(const char *input) {
StringBuilder sb(buffer, sizeof(buffer));
JsonWriter writer(sb);
writer.writeString(input);
returnValue = writer.bytesWritten();
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}
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void outputMustBe(const char *expected) {
EXPECT_STREQ(expected, buffer);
EXPECT_EQ(strlen(expected), returnValue);
}
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private:
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char buffer[1024];
size_t returnValue;
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};
TEST_F(JsonWriter_WriteString_Tests, Null) {
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whenInputIs(0);
outputMustBe("null");
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}
TEST_F(JsonWriter_WriteString_Tests, EmptyString) {
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whenInputIs("");
outputMustBe("\"\"");
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}
TEST_F(JsonWriter_WriteString_Tests, QuotationMark) {
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whenInputIs("\"");
outputMustBe("\"\\\"\"");
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}
TEST_F(JsonWriter_WriteString_Tests, ReverseSolidus) {
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whenInputIs("\\");
outputMustBe("\"\\\\\"");
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}
TEST_F(JsonWriter_WriteString_Tests, Solidus) {
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whenInputIs("/");
outputMustBe("\"/\""); // but the JSON format allows \/
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}
TEST_F(JsonWriter_WriteString_Tests, Backspace) {
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whenInputIs("\b");
outputMustBe("\"\\b\"");
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}
TEST_F(JsonWriter_WriteString_Tests, Formfeed) {
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whenInputIs("\f");
outputMustBe("\"\\f\"");
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}
TEST_F(JsonWriter_WriteString_Tests, Newline) {
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whenInputIs("\n");
outputMustBe("\"\\n\"");
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}
TEST_F(JsonWriter_WriteString_Tests, CarriageReturn) {
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whenInputIs("\r");
outputMustBe("\"\\r\"");
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}
TEST_F(JsonWriter_WriteString_Tests, HorizontalTab) {
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whenInputIs("\t");
outputMustBe("\"\\t\"");
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}