added an example of test

1 files changed, 16 insertions, 0 deletions

diff --git a/src/tests/tests.cpp b/src/tests/tests.cpp
index e69de29..d1a037b 100644
--- a/src/tests/tests.cpp
+++ b/src/tests/tests.cpp
@@ -0,0 +1,16 @@
+#include <catch2/benchmark/catch_benchmark.hpp>
+#include <catch2/catch_test_macros.hpp>
+
+#include <cstdint>
+
+uint64_t fibonacci(uint64_t number) { return number < 2 ? number : fibonacci(number - 1) + fibonacci(number - 2); }
+
+TEST_CASE("Benchmark Fibonacci", "[fibonacci]") {
+    REQUIRE(fibonacci(5) == 5);
+
+    REQUIRE(fibonacci(20) == 6'765);
+    BENCHMARK("fibonacci 20") { return fibonacci(20); };
+
+    REQUIRE(fibonacci(25) == 75'025);
+    BENCHMARK("fibonacci 25") { return fibonacci(25); };
+}