From 99940da42697ca015186a7a2c8b33694e6cef881 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 14 Sep 2025 14:37:11 +0300
Subject: [PATCH] add 'asserts' library

---
 res/modules/internal/asserts.lua | 10 ++++++++++
 res/scripts/stdlib.lua           |  1 +
 2 files changed, 11 insertions(+)
 create mode 100644 res/modules/internal/asserts.lua

diff --git a/res/modules/internal/asserts.lua b/res/modules/internal/asserts.lua
new file mode 100644
index 00000000..2317bb7c
--- /dev/null
+++ b/res/modules/internal/asserts.lua
@@ -0,0 +1,10 @@
+local this = {}
+
+function this.equals(expected, fact)
+    assert(fact == expected, string.format(
+        "(fact == expected) assertion failed\n  Expected: %s\n  Fact:     %s",
+        expected, fact
+    ))
+end
+
+return this
diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index 217723a9..1243085b 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -174,6 +174,7 @@ if enable_experimental then
     require "core:internal/maths_inline"
 end
 
+asserts = require "core:internal/asserts"
 events = require "core:internal/events"
 
 function pack.unload(prefix)