bitsery/tests/serialization_text.cpp

//MIT License
//
//Copyright (c) 2017 Mindaugas Vinkelis
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.


#include <gmock/gmock.h>
#include "serialization_test_utils.h"
using namespace testing;

TEST(SerializeText, BasicString) {
    SerializationContext ctx;
    std::string t1 = "some random text";
    std::string res;

    ctx.createSerializer().text<sizeof(std::string::value_type)>(t1, 1000);
    ctx.createDeserializer().text<sizeof(std::string::value_type)>(res, 1000);

    EXPECT_THAT(res, StrEq(t1));
    EXPECT_THAT(res, ContainerEq(t1));

}

TEST(SerializeText, WhenSizeOfTypeNotEqualsOneThenSetSizeExplicitly) {
    SerializationContext ctx;
    constexpr auto VSIZE = sizeof(char32_t);
    std::basic_string<char32_t> t1 = U"some random text";
    std::basic_string<char32_t> res;
    static_assert(VSIZE > 1, "on this system, all character types has sizeof == 1, cannot run this tests");

    ctx.createSerializer().text<VSIZE>(t1, 1000);
    ctx.createDeserializer().text<VSIZE>(res, 1000);

    EXPECT_THAT(res, ContainerEq(t1));
}

TEST(SerializeText, BasicStringUseSizeMethodNotNullterminatedLength) {
    SerializationContext ctx;
    std::wstring t1(L"some random text\0xxxxxx", 20);
    std::wstring wres;
    constexpr auto VSIZE = sizeof(std::wstring::value_type);

    ctx.createSerializer().text<VSIZE>(t1, 1000);
    ctx.createDeserializer().text<VSIZE>(wres, 1000);

    EXPECT_THAT(wres, StrEq(t1));
    EXPECT_THAT(wres.size(), Eq(t1.size()));
    EXPECT_THAT(wres.size(), Gt(std::char_traits<std::wstring::value_type>::length(t1.data())));

    SerializationContext ctx2;
    std::string t2("\0no one cares what is there", 10);
    std::string res;
    ctx2.createSerializer().text<sizeof(std::string::value_type)>(t2, 1000);
    ctx2.createDeserializer().text<sizeof(std::string::value_type)>(res, 1000);

    EXPECT_THAT(res, StrEq(t2));
    EXPECT_THAT(res.size(), Eq(t2.size()));

    SerializationContext ctx3;
    std::string t3("never ending buffer that doesnt fit in this string", 10);
    ctx3.createSerializer().text<sizeof(std::string::value_type)>(t3, 1000);
    ctx3.createDeserializer().text<sizeof(std::string::value_type)>(res, 1000);
    EXPECT_THAT(res, StrEq(t3));
    EXPECT_THAT(res.size(), Eq(10));
}

constexpr int CARR_LENGTH = 10;

TEST(SerializeText, CArraySerializesTextLength) {
    SerializationContext ctx;
    char t1[CARR_LENGTH]{"some text"};
    char r1[CARR_LENGTH]{};

    ctx.createSerializer().text<1>(t1);
    ctx.createDeserializer().text<1>(r1);

    EXPECT_THAT(ctx.getBufferSize(), Eq(ctx.containerSizeSerializedBytesCount(CARR_LENGTH) +
                                                std::char_traits<char>::length(t1)));

    EXPECT_THAT(r1, StrEq(t1));
    EXPECT_THAT(r1, ContainerEq(t1));

    //zero length string
    t1[0] = 0;
    SerializationContext ctx2;
    ctx2.createSerializer().text<1>(t1);
    ctx2.createDeserializer().text<1>(r1);

    EXPECT_THAT(ctx2.getBufferSize(), Eq(ctx2.containerSizeSerializedBytesCount(CARR_LENGTH)));
    EXPECT_THAT(r1, StrEq(t1));
    EXPECT_THAT(r1, ContainerEq(t1));
}

TEST(SerializeText, WhenCArrayNotNullterminatedThenMakeItNullterminated) {
    SerializationContext ctx;
    char16_t t1[CARR_LENGTH]{u"some text"};
    //make last character not nullterminated
    t1[CARR_LENGTH-1] = 'x';
    char16_t r1[CARR_LENGTH]{};

    ctx.createSerializer().text<2>(t1);
    ctx.createDeserializer().text<2>(r1);

    EXPECT_THAT(ctx.getBufferSize(), Eq(ctx.containerSizeSerializedBytesCount(CARR_LENGTH) +
                                                (CARR_LENGTH - 1) * 2));
    EXPECT_THAT(r1[CARR_LENGTH-1], Eq(0));
}