
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>


int string_length(const char* str);

TEST_CASE("string_length returns 13 for 'Hello, world!'", "[string_length]") {
    REQUIRE(string_length("Hello, world!") == 13);
}

TEST_CASE("string_length returns 0 for empty string", "[string_length]") {
    REQUIRE(string_length("") == 0);
}

TEST_CASE("string_length returns 13 for 'C programming'", "[string_length]") {
    REQUIRE(string_length("C programming") == 13);
}

test.cpp

Learn how strings are represented and manipulated in the C programming language. Understand the unique characteristics of C strings, including memory management, null-termination, and common string operations.

Explore how strings are represented as arrays of characters in C, the role of null-termination, and the implications for memory management.

Learn how to initialize strings, read input from the user, and output strings in C.

Explore the most frequently used string operations in C, including copying, comparison, concatenation, and length calculation.

Challenge: Calculating String Length

Solution