ArduinoJson/test/JsonArray_PrettyPrintTo_Tests.cpp

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

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

using namespace ArduinoJson;

class JsonArray_PrettyPrintTo_Tests : public testing::Test
{
protected:
    JsonArray array;
    StaticJsonBuffer<30> json;

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

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

private:
    char buffer[256];
};

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

TEST_F(JsonArray_PrettyPrintTo_Tests, OneElement)
{
    array.add(1);

    outputMustBe(
        "[\r\n"
        "  1\r\n"
        "]");
}

TEST_F(JsonArray_PrettyPrintTo_Tests, TwoElements)
{
    array.add(1);
    array.add(2);

    outputMustBe(
        "[\r\n"
        "  1,\r\n"
        "  2\r\n"
        "]");
}

TEST_F(JsonArray_PrettyPrintTo_Tests, EmptyNestedArrays)
{
    array.createNestedArray();
    array.createNestedArray();

    outputMustBe(
        "[\r\n"
        "  [],\r\n"
        "  []\r\n"
        "]");
}

TEST_F(JsonArray_PrettyPrintTo_Tests, NestedArrays)
{
    JsonArray nested1 = array.createNestedArray();
    nested1.add(1);
    nested1.add(2);

    JsonObject nested2 = array.createNestedObject();
    nested2["key"] = 3;

    outputMustBe(
        "[\r\n"
        "  [\r\n"
        "    1,\r\n"
        "    2\r\n"
        "  ],\r\n"
        "  {\r\n"
        "    \"key\": 3\r\n"
        "  }\r\n"
        "]");
}