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ArduinoJson/JsonGeneratorTests/JsonValueTests.cpp

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#include "CppUnitTest.h"
#include "StringBuilder.h"
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#include "JsonValue.h"
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using namespace Microsoft::VisualStudio::CppUnitTestFramework;
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using namespace ArduinoJson::Generator;
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namespace JsonGeneratorTests
{
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TEST_CLASS(JsonValueTests)
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{
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char buffer[1024];
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size_t returnValue;
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public:
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TEST_METHOD(Null)
{
write((char*)0);
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assertResultIs("null");
}
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TEST_METHOD(EmptyString)
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{
write("");
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assertResultIs("\"\"");
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}
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TEST_METHOD(QuotationMark)
{
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write("\"");
assertResultIs("\"\\\"\"");
}
TEST_METHOD(ReverseSolidus)
{
write("\\");
assertResultIs("\"\\\\\"");
}
TEST_METHOD(Solidus)
{
write("/");
assertResultIs("\"/\""); // but the JSON format allows \/
}
TEST_METHOD(Backspace)
{
write("\b");
assertResultIs("\"\\b\"");
}
TEST_METHOD(Formfeed)
{
write("\f");
assertResultIs("\"\\f\"");
}
TEST_METHOD(Newline)
{
write("\n");
assertResultIs("\"\\n\"");
}
TEST_METHOD(CarriageReturn)
{
write("\r");
assertResultIs("\"\\r\"");
}
TEST_METHOD(HorizontalTab)
{
write("\t");
assertResultIs("\"\\t\"");
}
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TEST_METHOD(DoubleDefaultDigits)
{
write(3.14159265358979323846);
assertResultIs("3.14");
}
TEST_METHOD(DoubleZeroDigits)
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{
write(3.14159265358979323846, 0);
assertResultIs("3");
}
TEST_METHOD(DoubleOneDigit)
{
write(3.14159265358979323846, 1);
assertResultIs("3.1");
}
TEST_METHOD(DoubleTwoDigits)
{
write(3.14159265358979323846, 2);
assertResultIs("3.14");
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}
TEST_METHOD(Integer)
{
write(314);
assertResultIs("314");
}
TEST_METHOD(Short)
{
write((short)314);
assertResultIs("314");
}
TEST_METHOD(Long)
{
write(314L);
assertResultIs("314");
}
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template<typename T>
void write(T value)
{
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StringBuilder sb(buffer, sizeof(buffer));
returnValue = JsonValue(value).printTo(sb);
}
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void write(double value, int digits)
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{
StringBuilder sb(buffer, sizeof(buffer));
returnValue = JsonValue(value, digits).printTo(sb);
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}
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void assertResultIs(const char* expected)
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{
Assert::AreEqual(expected, buffer);
Assert::AreEqual(strlen(expected), returnValue);
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}
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};
}