Pass this Test Case using the provided Cpp file:

Test Case:

TEST(StringTests, containsCanFindSubstringsWhenPresent) { String s{"Is Boo great Bo2o today?"}; String t{"Boo"}; EXPECT_TRUE(s.contains(t)); }

Also, implement all of your member functions in the source file and pass the test case. You are not permitted to use any standard library functionality this includes both the C Standard Library and the C++ Standard Library.

#ifndef STRING_HPP #define STRING_HPP

class String { public: /* Initializes a string to be empty (i.e., its length will be zero and toChars() will return ""). */ String();

/* contains() returns true if this string contains the given substring somewhere (e.g., the string "Is Boo happy today?" contains the substring "Boo"), or false otherwise. */ bool contains(const String& substring) const noexcept; }; #endif