From 4470aeabae3c2aca5c8075182addeb829b1502d4 Mon Sep 17 00:00:00 2001
From: superp00t <superp00t@tutanota.com>
Date: Sun, 30 Jul 2023 04:55:16 -0400
Subject: [PATCH] test(time): rudimentary tests for timekeeping

---
 test/Time.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 test/Time.cpp

diff --git a/test/Time.cpp b/test/Time.cpp
new file mode 100644
index 0000000..2d1ad8f
--- /dev/null
+++ b/test/Time.cpp
@@ -0,0 +1,41 @@
+#include "bc/Time.hpp"
+#include "bc/Process.hpp"
+#include "test/Test.hpp"
+
+TEST_CASE("Blizzard::Time::FromUnixTime", "[time]") {
+    SECTION("convert zero Blizzard time from UNIX timestamp of Sat Jan 01 2000 00:00:00 GMT") {
+        auto stamp = Blizzard::Time::FromUnixTime(946684800);
+        REQUIRE(stamp == 0);
+    }
+}
+
+TEST_CASE("Blizzard::Time::ToUnixTime", "[time]") {
+    SECTION("convert zero Blizzard timestamp to Unix timestamp of Sat Jan 01 2000 00:00:00 GMT+0000") {
+        auto stamp = Blizzard::Time::ToUnixTime(0);
+        REQUIRE(stamp == 946684800);
+    }
+}
+
+TEST_CASE("Blizzard::Time::GetTimestamp", "[time]") {
+    SECTION("Get timestamp") {
+        auto now = Blizzard::Time::GetTimestamp();
+        REQUIRE(now > 0);
+    }
+
+    SECTION("Timestamp increases after 200 ms") {
+        auto t1 = Blizzard::Time::GetTimestamp();
+        Blizzard::Process::Sleep(200);
+        auto t2 = Blizzard::Time::GetTimestamp();
+        auto delta = t2 - t1;
+        REQUIRE(delta > 0);
+        REQUIRE(delta >= 180000000LL);
+        REQUIRE(delta <= 220000000LL);
+    }
+}
+
+TEST_CASE("Blizzard::Time::Nanoseconds", "[time]") {
+    SECTION("Read wall clock") {
+        auto wctime = Blizzard::Time::Nanoseconds();
+        REQUIRE(wctime > 0);
+    }
+}