ArduinoJson/test/JsonArray_PrintTo_Tests.cpp

/*
* Arduino JSON library
* Benoit Blanchon 2014 - MIT License
*/

#include <gtest/gtest.h>
#include <ArduinoJson/JsonArray.hpp>
#include <ArduinoJson/JsonObject.hpp>
#include <ArduinoJson/StaticJsonBuffer.hpp>

using namespace ArduinoJson;

class JsonArray_PrintTo_Tests : public testing::Test 
{
protected:
    JsonArray array;
    StaticJsonBuffer<3> json;

    virtual void SetUp()
    {
        array = json.createArray();
    }

    void outputMustBe(const char* expected)
    {      
        size_t n = array.printTo(buffer, sizeof(buffer));
        EXPECT_STREQ(expected, buffer);
        EXPECT_EQ(strlen(expected), n);
    }

private:
    char buffer[256];
};

TEST_F(JsonArray_PrintTo_Tests, Empty)
{
    outputMustBe("[]");
}

TEST_F(JsonArray_PrintTo_Tests, Null)
{
    array.add((char*) 0);

    outputMustBe("[null]");
}

TEST_F(JsonArray_PrintTo_Tests, OneString)
{
    array.add("hello");

    outputMustBe("[\"hello\"]");
}

TEST_F(JsonArray_PrintTo_Tests, TwoStrings)
{
    array.add("hello");
    array.add("world");

    outputMustBe("[\"hello\",\"world\"]");
}

TEST_F(JsonArray_PrintTo_Tests, OneStringOverCapacity)
{
    array.add("hello");
    array.add("world");
    array.add("lost");

    outputMustBe("[\"hello\",\"world\"]");
}

TEST_F(JsonArray_PrintTo_Tests, OneDoubleDefaultDigits)
{
    array.add(3.14159265358979323846);
    outputMustBe("[3.14]");
}

TEST_F(JsonArray_PrintTo_Tests, OneDoubleFourDigits)
{
    array.add(3.14159265358979323846, 4);
    outputMustBe("[3.1416]");
}

TEST_F(JsonArray_PrintTo_Tests, OneInteger)
{
    array.add(1);

    outputMustBe("[1]");
}

TEST_F(JsonArray_PrintTo_Tests, TwoIntegers)
{
    array.add(1);
    array.add(2);

    outputMustBe("[1,2]");
}

TEST_F(JsonArray_PrintTo_Tests, OneIntegerOverCapacity)
{
    array.add(1);
    array.add(2);
    array.add(3);

    outputMustBe("[1,2]");
}

TEST_F(JsonArray_PrintTo_Tests, OneTrue)
{
    array.add(true);

    outputMustBe("[true]");
}

TEST_F(JsonArray_PrintTo_Tests, OneFalse)
{
    array.add(false);

    outputMustBe("[false]");
}

TEST_F(JsonArray_PrintTo_Tests, TwoBooleans)
{
    array.add(false);
    array.add(true);

    outputMustBe("[false,true]");
}

TEST_F(JsonArray_PrintTo_Tests, OneBooleanOverCapacity)
{
    array.add(false);
    array.add(true);
    array.add(false);

    outputMustBe("[false,true]");
}

TEST_F(JsonArray_PrintTo_Tests, OneEmptyNestedArray)
{
    array.createNestedArray();

    outputMustBe("[[]]");
}

TEST_F(JsonArray_PrintTo_Tests, OneEmptyNestedHash)
{
    array.createNestedObject();

    outputMustBe("[{}]");
}