#include <bstl/big_integer.hpp>
#include <bstl/big_decimal.hpp>
#include <bstl/string.hpp>

#include <sstream>
#include <cassert>
#include <iostream>

int main() {
    using bstl::BigInteger;
    using bstl::BigDecimal;
    using bstl::String;

    // 测试 BigInteger 的 cout
    BigInteger bi1("12345678901234567890");
    std::ostringstream oss1;
    oss1 << bi1;
    assert(oss1.str() == "12345678901234567890");

    // 测试 BigInteger 的 cin
    std::istringstream iss1("987654321");
    BigInteger bi2;
    iss1 >> bi2;
    assert(bi2.toString() == "987654321");

    // 测试负数
    std::istringstream iss2("-555");
    BigInteger bi3;
    iss2 >> bi3;
    assert(bi3.toString() == "-555");

    // 测试 BigDecimal 的 cout
    BigDecimal bd1("123.45");
    std::ostringstream oss2;
    oss2 << bd1;
    assert(oss2.str() == "123.45");

    // 测试 BigDecimal 的 cin
    std::istringstream iss3("67.89");
    BigDecimal bd2;
    iss3 >> bd2;
    assert(bd2.toString() == "67.89");

    // 测试负小数
    std::istringstream iss4("-12.34");
    BigDecimal bd3;
    iss4 >> bd3;
    assert(bd3.toString() == "-12.34");

    // 测试 String 的 cout
    String s1("Hello World");
    std::ostringstream oss3;
    oss3 << s1;
    assert(oss3.str() == "Hello World");

    // 测试 String 的 cin
    std::istringstream iss5("HelloWorld");
    String s2;
    iss5 >> s2;
    assert(s2.str() == "HelloWorld");

    std::cout << "All cin/cout tests passed!\n";
    return 0;
}