From f073129f38396296c7886f577429246afe9094d0 Mon Sep 17 00:00:00 2001
From: Adrian Wannenmacher <tfld@tfld.dev>
Date: Sun, 15 Feb 2026 04:41:40 +0100
Subject: [PATCH] test that invalid constructor forms throw

---
 models/game.test.js         | 6 ++++++
 models/round.test.js        | 6 ++++++
 models/round_result.test.js | 6 ++++++
 models/session.test.js      | 6 ++++++
 4 files changed, 24 insertions(+)

diff --git a/models/game.test.js b/models/game.test.js
index 74a27cc..ec19eda 100644
--- a/models/game.test.js
+++ b/models/game.test.js
@@ -23,6 +23,12 @@ export default function() {
       );
     });
 
+    QUnit.test("invalid constructor", function(assert) {
+      assert.throws(
+        function() {new Game("nope", "absolutely", "not"); },
+        new TypeError("unknown form of Game constructor"));
+    });
+
     QUnit.test("low goal", function(assert) {
       assert.throws(
         function() { new Game(0); },
diff --git a/models/round.test.js b/models/round.test.js
index df791c2..49387c5 100644
--- a/models/round.test.js
+++ b/models/round.test.js
@@ -13,6 +13,12 @@ export default function() {
       assert.true(round.canRaise(Team.They), "they initially can raise");
     });
 
+    QUnit.test("invalid constructor", function(assert) {
+      assert.throws(
+        function() {new Round("nope", "absolutely", "not"); },
+        new TypeError("unknown form of Round constructor"));
+    });
+
     QUnit.test("immediate victory", function(assert) {
       let round = new Round();
       round.winner = Team.We;
diff --git a/models/round_result.test.js b/models/round_result.test.js
index 584fcc6..80c10dc 100644
--- a/models/round_result.test.js
+++ b/models/round_result.test.js
@@ -11,6 +11,12 @@ export default function() {
       assert.strictEqual(rr.winner, Team.We, "correct winner");
     });
 
+    QUnit.test("invalid constructor", function(assert) {
+      assert.throws(
+        function() {new RoundResult("nope", "absolutely", "not"); },
+        new TypeError("unknown form of RoundResult constructor"));
+    });
+
     QUnit.test("toStruct", function(assert) {
       let rr = new RoundResult(2, Team.They);
       let struct = rr.toStruct();
diff --git a/models/session.test.js b/models/session.test.js
index 3a87209..2493247 100644
--- a/models/session.test.js
+++ b/models/session.test.js
@@ -19,6 +19,12 @@ export default function() {
       assert.strictEqual(session.theirTeam, "", "their team name");
     });
 
+    QUnit.test("invalid constructor", function(assert) {
+      assert.throws(
+        function() {new Session("nope", "absolutely", "not"); },
+        new TypeError("unknown form of Session constructor"));
+    });
+
     QUnit.test("set goal", function(assert) {
       let session = new Session();
       assert.strictEqual(session.goal, 11, "initial goal");