Assignment 2 / C++complete the fail main.cpp

main.cpp

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// DO NOT MODIFY NEXT LINE

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// Implement the class methods

class Rot13 {

const int rotation{13};

std::string text;

public:

Rot13(std::string msg = "");

bool operator!();

void operator>>(std::string&);

friend void operator

};

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// DO NOT MODIFY TEST CASES

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TEST_CASE( "Assignment" ) {

SECTION( "v1" ) {

Rot13 cipher;

REQUIRE( !cipher );

}

SECTION( "v2" ) {

Rot13 cipher{"ABCDEFGHIJKLMNOPQRSTUVWXYZ"};

REQUIRE( !cipher );

}

SECTION( "v3" ) {

Rot13 cipher{"slkgjskjg akjf Adkfjd fsdfj"};

REQUIRE( !cipher );

}

SECTION( "v4" ) {

Rot13 cipher{"abcdefghijkl mnopqrst uvwxyz"};

REQUIRE( !!cipher );

}

SECTION( "e1" ) {

Rot13 cipher{"abcdefghijkl mnopqrst uvwxyz"};

REQUIRE( !!cipher );

std::string secret;

cipher >> secret;

REQUIRE( secret == "nopqrstuvwxy zabcdefg hijklm" );

}

SECTION( "e2" ) {

Rot13 cipher{"nopqrstuvwxy zabcdefg hijklm"};

REQUIRE( !!cipher );

std::string msg;

msg

REQUIRE( msg == "abcdefghijkl mnopqrst uvwxyz" );

}

}

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Details 1. Write missing method implementations for the class Rot13 that get a functional ROT13 cipher. 2. The input plain or encrypted message string is placed into the Rot13 object during the initialization. The input string may only contain Latin lowercase letters and spaces. You must check if the input string is valid before storing the input in the text field. If the input is invalid, the text field must be left empty. 3. Overload the bang operator to check if the Rot13 object is correctly initialized, and contains a non- empty message. The operator returns true if the message is empty. 4. Overload the stream extraction operator >> for the Rot13 class to perform rot13 encryption. The operator has to be implemented as a member function with a (modifiable) string reference parameter which is used to store an encrypted message. Encrypt the message stored in the string field text, and place it in the method reference parameter. The encryption procedure replaces every occurrence of the character with the character 13 steps forward in the alphabet (in a circular way). For example, with , b with, and as with k, and so on. Spaces are not scrambled. Use static cast operator to transform characters into numbers which would allow to perform rotation transformation using addition/subtraction operations. 0 You can find numerical codes for letters in ASCII Table 5. Overload the insertion operator