merging refactor (replacing)

slsSupportLib/tests/test-Timer.cpp

@@ -0,0 +1,23 @@
+#include "Timer.h"
+#include "catch.hpp"
+
+#include <chrono>
+#include <thread>
+
+TEST_CASE("Time 1s restart then time 2s") {
+    auto sleep_duration = std::chrono::seconds(1);
+    auto t = sls::Timer();
+    std::this_thread::sleep_for(sleep_duration);
+    REQUIRE(t.elapsed_s() == Approx(1).epsilon(0.01));
+
+    t.restart();
+    std::this_thread::sleep_for(sleep_duration * 2);
+    REQUIRE(t.elapsed_s() == Approx(2).epsilon(0.01));
+}
+
+TEST_CASE("Return ms") {
+    auto sleep_duration = std::chrono::milliseconds(1300);
+    auto t = sls::Timer();
+    std::this_thread::sleep_for(sleep_duration);
+    REQUIRE(t.elapsed_ms() == Approx(1300).epsilon(0.5));
+}