ArduinoJson/test/QuotedString_ExtractFrom_Tests.cpp

#include <gtest/gtest.h>
#include <ArduinoJson/Internals/QuotedString.hpp>

using namespace ArduinoJson::Internals;

class QuotedString_ExtractFrom_Tests : public testing::Test
{
protected:
    void whenInputIs(const char* json)
    {
        strcpy(_jsonString, json);
        _result = QuotedString::extractFrom(_jsonString, &_trailing);
    }

    void resultMustBe(const char* expected)
    {
        EXPECT_STREQ(expected, _result);
    }

    void trailingMustBe(const char* expected)
    {
        EXPECT_STREQ(expected, _trailing);
    }

private:
    char _jsonString[256];
    char* _result;
    char* _trailing;
};


TEST_F(QuotedString_ExtractFrom_Tests, EmptyDoubleQuotedString)
{
    whenInputIs("\"\"");

    resultMustBe("");
    trailingMustBe("");
}

TEST_F(QuotedString_ExtractFrom_Tests, NoQuotes)
{
    whenInputIs("hello world");

    resultMustBe(0);
}

TEST_F(QuotedString_ExtractFrom_Tests, EmptySingleQuotedString)
{
    whenInputIs("''");

    resultMustBe("");
    trailingMustBe("");
}

TEST_F(QuotedString_ExtractFrom_Tests, SimpleDoubleQuotedString)
{
    whenInputIs("\"hello world\"");

    resultMustBe("hello world");
    trailingMustBe("");
}

TEST_F(QuotedString_ExtractFrom_Tests, DoubleQuotedStringWithTrailing)
{
    whenInputIs("\"hello\" world");

    resultMustBe("hello");
    trailingMustBe(" world");
}

TEST_F(QuotedString_ExtractFrom_Tests, SingleQuotedStringWithTrailing)
{
    whenInputIs("'hello' world");

    resultMustBe("hello");
    trailingMustBe(" world");
}

TEST_F(QuotedString_ExtractFrom_Tests, CurlyBraces)
{
    whenInputIs("\"{hello:world}\"");
    resultMustBe("{hello:world}");
}

TEST_F(QuotedString_ExtractFrom_Tests, SquareBraquets)
{
    whenInputIs("\"[hello,world]\"");
    resultMustBe("[hello,world]");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedDoubleQuote)
{
    whenInputIs("\"hello \\\"world\\\"\"");
    resultMustBe("hello \"world\"");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedSingleQuote)
{
    whenInputIs("\"hello \\\'world\\\'\"");
    resultMustBe("hello 'world'");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedSolidus)
{
    whenInputIs("\"hello \\/world\\/\"");
    resultMustBe("hello /world/");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedReverseSolidus)
{
    whenInputIs("\"hello \\\\world\\\\\"");
    resultMustBe("hello \\world\\");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedBackspace)
{
    whenInputIs("\"hello \\bworld\\b\"");
    resultMustBe("hello \bworld\b");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedFormfeed)
{
    whenInputIs("\"hello \\fworld\\f\"");
    resultMustBe("hello \fworld\f");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedNewline)
{
    whenInputIs("\"hello \\nworld\\n\"");
    resultMustBe("hello \nworld\n");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedCarriageReturn)
{
    whenInputIs("\"hello \\rworld\\r\"");
    resultMustBe("hello \rworld\r");
}

TEST_F(QuotedString_ExtractFrom_Tests, EscapedTab)
{
    whenInputIs("\"hello \\tworld\\t\"");
    resultMustBe("hello \tworld\t");
}

TEST_F(QuotedString_ExtractFrom_Tests, AllEscapedCharsTogether)
{
    whenInputIs("\"1\\\"2\\\\3\\/4\\b5\\f6\\n7\\r8\\t9\"");
    resultMustBe("1\"2\\3/4\b5\f6\n7\r8\t9");
}