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

int switchCalculator(int a, int b, char op);

TEST_CASE("Addition: 5 + 3 should print and return 8", "[switchCalculator]") {
    REQUIRE(switchCalculator(5, 3, '+') == 8);
}

TEST_CASE("Subtraction: 9 - 4 should print and return 5", "[switchCalculator]") {
    REQUIRE(switchCalculator(9, 4, '-') == 5);
}

TEST_CASE("Multiplication: 7 * 6 should print and return 42", "[switchCalculator]") {
    REQUIRE(switchCalculator(7, 6, '*') == 42);
}

TEST_CASE("Division: 20 / 5 should print and return 4", "[switchCalculator]") {
    REQUIRE(switchCalculator(20, 5, '/') == 4);
}

TEST_CASE("Division by zero: 10 / 0 should print and return 0", "[switchCalculator]") {
    REQUIRE(switchCalculator(10, 0, '/') == 0);
}

TEST_CASE("Invalid operator: 8 ^ 2 should print and return 0", "[switchCalculator]") {
    REQUIRE(switchCalculator(8, 2, '^') == 0);
}

test.cpp

Master the art of decision-making in C by learning how to control program flow using if, else, else if, switch, ternary operators, and guard clauses. This course blends concise theory with hands-on challenges to help you write smarter, more flexible C code.

Learn the basics of control flow and how conditional statements enable logical decision-making in C programs.

Reinforce core conditional concepts through practical coding tasks that build confidence and fluency in real scenarios.

Deepen your understanding of C's decision-making tools with else if, the ternary operator, and guard clauses.

Challenge: Switch Calculator

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Challenge: Switch Calculator

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