From 2a2472a052bca614fc074da29620566882b3175d Mon Sep 17 00:00:00 2001
From: Adrian Wannenmacher <tfld@tfld.dev>
Date: Sun, 15 Feb 2026 04:37:52 +0100
Subject: [PATCH] test session id invalid fromStruct

---
 models/session.js      |  3 +++
 models/session.test.js | 14 ++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/models/session.js b/models/session.js
index 7256191..14ed930 100644
--- a/models/session.js
+++ b/models/session.js
@@ -141,6 +141,9 @@ export default class Session {
     if ("id" in value) {
       if (typeof value.id !== "number")
         throw new TypeError("if struct contains id, then it must be a number");
+      if (!Number.isInteger(value.id))
+        throw new RangeError(
+          "if struct contains id, then it must be an integer");
       this.id = value.id;
     }
 
diff --git a/models/session.test.js b/models/session.test.js
index 3f4be85..3a87209 100644
--- a/models/session.test.js
+++ b/models/session.test.js
@@ -208,6 +208,20 @@ export default function() {
       finished.currentRound.raise(Team.We);
       finished.currentRound.winner = Team.They;
 
+      struct.id = "nope";
+      doIt(
+        "string id",
+        new TypeError("if struct contains id, then it must be a number"));
+      struct.id = 1.1;
+      doIt(
+        "float id",
+        new RangeError("if struct contains id, then it must be an integer"));
+      struct.id = undefined;
+      doIt(
+        "undefined id",
+        new TypeError("if struct contains id, then it must be a number"));
+      delete struct.id;
+
       doIt("no goal", new TypeError("struct must contain goal as number"));
       struct.goal = "3";
       doIt("string goal", new TypeError("struct must contain goal as number"));