From 922f8a8bcfef854f49197eb957df7b7cb7e321ed Mon Sep 17 00:00:00 2001
From: Amit Dahan <amitdahan11@gmail.com>
Date: Mon, 2 Sep 2024 08:59:23 +0300
Subject: [PATCH] Add a test for passing `new Map()` to a function that expects
 some generic map

---
 src/tests/map-constructor.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/tests/map-constructor.ts b/src/tests/map-constructor.ts
index 50646b6..fadea1b 100644
--- a/src/tests/map-constructor.ts
+++ b/src/tests/map-constructor.ts
@@ -70,6 +70,14 @@ doNotExecute(() => {
   type test = [Expect<Equal<typeof map, Map<string, boolean>>>];
 });
 
+doNotExecute(() => {
+  function expectsBooleanMap(map: Map<string, boolean>) {
+    return map;
+  }
+  const map = expectsBooleanMap(new Map());
+  type test = [Expect<Equal<typeof map, Map<string, boolean>>>];
+});
+
 doNotExecute(() => {
   const map = new Map([
     ["foo", 1],