Unit testing timers

coresdk/src/test/unit_tests/unit_test_timers.cpp

@@ -0,0 +1,35 @@
+/**
+ * Timer Unit Tests
+ */
+
+#include "catch.hpp"
+#include "timers.h"
+#include "logging_handling.h"
+
+using namespace splashkit_lib;
+
+TEST_CASE(
+    "timer can be created, started, paused, and freed",
+    "[timers][create_timer][free_timer][start_timer][pause_timer]")
+{
+    timer t = create_timer("test");
+    REQUIRE(has_timer("test"));
+
+    REQUIRE(timer_ticks(t) == 0); // starts at 0
+
+    int attempts = 0;
+    start_timer(t);
+    while (timer_ticks(t) == 0 || attempts < 1000)
+    {
+        attempts++;
+    };
+
+    REQUIRE(timer_ticks(t) > 0); // time has advanced
+
+    pause_timer(t);
+    unsigned int ticks = timer_ticks(t);
+    REQUIRE(timer_ticks(t) == ticks); // ticks do not change while paused
+
+    free_timer(t);
+    REQUIRE_FALSE(has_timer("test")); // check the same name we created
+}