#include "recursion.hpp"
#include <gtest/gtest.h>

TEST(Recursion, Fibonacci) {
    EXPECT_EQ(functions::fibonacci(0), 0);
    EXPECT_EQ(functions::fibonacci(1), 1);
    EXPECT_EQ(functions::fibonacci(10), 55);
}

TEST(Recursion, SumDigits) {
    EXPECT_EQ(functions::sum_digits(12345), 15);
}

TEST(Recursion, IsPalindrome) {
    EXPECT_TRUE(functions::is_palindrome(121));
    EXPECT_FALSE(functions::is_palindrome(123));
}