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

int getSnackPrice(int snackType, int size);

TEST_CASE("Chips, size 1 returns 10", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(1, 1) == 10);
}

TEST_CASE("Chips, size 2 returns 15", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(1, 2) == 15);
}

TEST_CASE("Chips, unknown size returns 12", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(1, 3) == 12);
    REQUIRE(getSnackPrice(1, 0) == 12);
    REQUIRE(getSnackPrice(1, -1) == 12);
}

TEST_CASE("Chocolate, size 1 returns 20", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(2, 1) == 20);
}

TEST_CASE("Chocolate, size 2 returns 25", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(2, 2) == 25);
}

TEST_CASE("Chocolate, unknown size returns 22", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(2, 3) == 22);
    REQUIRE(getSnackPrice(2, 0) == 22);
    REQUIRE(getSnackPrice(2, -1) == 22);
}

TEST_CASE("Unknown snack type returns 0", "[getSnackPrice]") {
    REQUIRE(getSnackPrice(3, 1) == 0);
    REQUIRE(getSnackPrice(99, 2) == 0);
    REQUIRE(getSnackPrice(0, 1) == 0);
}

test.cpp

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

Challenge: Vending Machine

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Challenge: Vending Machine

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