From b7fdb54193c0bf34f4a50e9b58f9f17824e0e182 Mon Sep 17 00:00:00 2001
From: Alexander Weiss <ik@alexanderweiss.nl>
Date: Mon, 21 Oct 2024 12:02:35 +0200
Subject: [PATCH] Fix constructor-based checks for fake Date no longer pass
 after installing

---
 src/fake-timers-src.js   | 2 +-
 test/fake-timers-test.js | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/fake-timers-src.js b/src/fake-timers-src.js
index f368628..5741f96 100644
--- a/src/fake-timers-src.js
+++ b/src/fake-timers-src.js
@@ -450,7 +450,7 @@ function withGlobal(_global) {
 
                 // ensures identity checks using the constructor prop still works
                 // this should have no other functional effect
-                this.constructor = Date;
+                this.constructor = NativeDate;
             }
 
             static [Symbol.hasInstance](instance) {
diff --git a/test/fake-timers-test.js b/test/fake-timers-test.js
index 38e08e0..ae3e8c6 100644
--- a/test/fake-timers-test.js
+++ b/test/fake-timers-test.js
@@ -3203,6 +3203,9 @@ describe("FakeTimers", function () {
         // issue #510
         it("creates Date objects where the constructor prop matches the original", function () {
             const realDate = new Date();
+            Date = NOOP; // eslint-disable-line no-global-assign
+            global.Date = NOOP;
+
             const date = new this.clock.Date();
 
             assert.equals(date.constructor.name, realDate.constructor.name);