Unit testing timers

coresdk/src/test/unit_tests/unit_test_timers.cpp

@@ -0,0 +1,69 @@
+/**
+ * Timer Unit Tests
+ */
+
+#include "catch.hpp"
+#include "timers.h"
+#include "logging_handling.h"
+#include "utils.h"
+
+using namespace splashkit_lib;
+
+TEST_CASE(
+    "timer can be created",
+    "[timers][create_timer]")
+{
+    timer t = create_timer("test");
+    REQUIRE(has_timer("test"));
+    free_timer(t);
+}
+
+TEST_CASE(
+    "timer starts at zero ticks",
+    "[timers][create_timer][timer_ticks]")
+{
+    timer t = create_timer("test");
+    REQUIRE(timer_ticks(t) == 0);
+    free_timer(t);
+}
+
+TEST_CASE(
+    "timer advances after start",
+    "[timers][start_timer][timer_ticks]")
+{
+    timer t = create_timer("test");
+    start_timer(t);
+
+    delay(200);
+
+    REQUIRE(timer_ticks(t) > 0);
+
+    free_timer(t);
+}
+
+TEST_CASE(
+    "timer does not advance while paused",
+    "[timers][pause_timer][timer_ticks]")
+{
+    timer t = create_timer("test");
+    start_timer(t);
+    delay(200);
+
+    pause_timer(t);
+    unsigned int ticks = timer_ticks(t);
+    delay(200);
+
+    REQUIRE(timer_ticks(t) == ticks);
+
+    free_timer(t);
+}
+
+TEST_CASE(
+    "timer can be freed",
+    "[timers][free_timer]")
+{
+    timer t = create_timer("test");
+    free_timer(t);
+
+    REQUIRE_FALSE(has_timer("test"));
+}